Mercurial > minori
changeset 318:3b355fa948c7
config: use TOML instead of INI
unfortunately, INI is not enough, and causes some paths including
semicolons to break with our current storage of the library folders.
so, I decided to switch to TOML which does support real arrays...
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Wed, 12 Jun 2024 05:25:41 -0400 |
| parents | b1f4d1867ab1 |
| children | d928ec7b6a0d |
| files | Makefile.am dep/mini/ini.h dep/toml11/LICENSE dep/toml11/toml.hpp dep/toml11/toml/color.hpp dep/toml11/toml/combinator.hpp dep/toml11/toml/comments.hpp dep/toml11/toml/datetime.hpp dep/toml11/toml/exception.hpp dep/toml11/toml/from.hpp dep/toml11/toml/get.hpp dep/toml11/toml/into.hpp dep/toml11/toml/lexer.hpp dep/toml11/toml/literal.hpp dep/toml11/toml/macros.hpp dep/toml11/toml/parser.hpp dep/toml11/toml/region.hpp dep/toml11/toml/result.hpp dep/toml11/toml/serializer.hpp dep/toml11/toml/source_location.hpp dep/toml11/toml/storage.hpp dep/toml11/toml/string.hpp dep/toml11/toml/traits.hpp dep/toml11/toml/types.hpp dep/toml11/toml/utility.hpp dep/toml11/toml/value.hpp dep/toml11/toml/version.hpp include/core/config.h include/core/ini.h src/core/config.cc src/core/ini.cc src/gui/dialog/about.cc |
| diffstat | 32 files changed, 11471 insertions(+), 911 deletions(-) [+] |
line wrap: on
line diff
--- a/Makefile.am Wed Jun 12 04:07:10 2024 -0400 +++ b/Makefile.am Wed Jun 12 05:25:41 2024 -0400 @@ -162,7 +162,6 @@ include/core/config.h \ include/core/date.h \ include/core/filesystem.h \ - include/core/ini.h \ include/core/json.h \ include/core/strings.h \ include/core/time.h \ @@ -178,7 +177,30 @@ include/track/media.h \ dep/json/json.hpp \ dep/json/json_fwd.hpp \ - dep/mini/ini.h \ + dep/toml11/toml.hpp \ + dep/toml11/toml/color.hpp \ + dep/toml11/toml/combinator.hpp \ + dep/toml11/toml/comments.hpp \ + dep/toml11/toml/datetime.hpp \ + dep/toml11/toml/exception.hpp \ + dep/toml11/toml/from.hpp \ + dep/toml11/toml/get.hpp \ + dep/toml11/toml/into.hpp \ + dep/toml11/toml/lexer.hpp \ + dep/toml11/toml/literal.hpp \ + dep/toml11/toml/macros.hpp \ + dep/toml11/toml/parser.hpp \ + dep/toml11/toml/region.hpp \ + dep/toml11/toml/result.hpp \ + dep/toml11/toml/serializer.hpp \ + dep/toml11/toml/source_location.hpp \ + dep/toml11/toml/storage.hpp \ + dep/toml11/toml/string.hpp \ + dep/toml11/toml/traits.hpp \ + dep/toml11/toml/types.hpp \ + dep/toml11/toml/utility.hpp \ + dep/toml11/toml/value.hpp \ + dep/toml11/toml/version.hpp \ dep/semver/semver.hpp \ $(minori_qtheaders) @@ -196,7 +218,6 @@ src/core/date.cc \ src/core/filesystem.cc \ src/core/http.cc \ - src/core/ini.cc \ src/core/json.cc \ src/core/session.cc \ src/core/strings.cc \
--- a/dep/mini/ini.h Wed Jun 12 04:07:10 2024 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,789 +0,0 @@ -/* - * The MIT License (MIT) - * Copyright (c) 2018 Danijel Durakovic - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of - * this software and associated documentation files (the "Software"), to deal in - * the Software without restriction, including without limitation the rights to - * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is furnished to do - * so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR - * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -/////////////////////////////////////////////////////////////////////////////// -// -// /mINI/ v0.9.14 -// An INI file reader and writer for the modern age. -// -/////////////////////////////////////////////////////////////////////////////// -// -// A tiny utility library for manipulating INI files with a straightforward -// API and a minimal footprint. It conforms to the (somewhat) standard INI -// format - sections and keys are case insensitive and all leading and -// trailing whitespace is ignored. Comments are lines that begin with a -// semicolon. Trailing comments are allowed on section lines. -// -// Files are read on demand, upon which data is kept in memory and the file -// is closed. This utility supports lazy writing, which only writes changes -// and updates to a file and preserves custom formatting and comments. A lazy -// write invoked by a write() call will read the output file, find what -// changes have been made and update the file accordingly. If you only need to -// generate files, use generate() instead. Section and key order is preserved -// on read, write and insert. -// -/////////////////////////////////////////////////////////////////////////////// -// -// /* BASIC USAGE EXAMPLE: */ -// -// /* read from file */ -// mINI::INIFile file("myfile.ini"); -// mINI::INIStructure ini; -// file.read(ini); -// -// /* read value; gets a reference to actual value in the structure. -// if key or section don't exist, a new empty value will be created */ -// std::string& value = ini["section"]["key"]; -// -// /* read value safely; gets a copy of value in the structure. -// does not alter the structure */ -// std::string value = ini.get("section").get("key"); -// -// /* set or update values */ -// ini["section"]["key"] = "value"; -// -// /* set multiple values */ -// ini["section2"].set({ -// {"key1", "value1"}, -// {"key2", "value2"} -// }); -// -// /* write updates back to file, preserving comments and formatting */ -// file.write(ini); -// -// /* or generate a file (overwrites the original) */ -// file.generate(ini); -// -/////////////////////////////////////////////////////////////////////////////// -// -// Long live the INI file!!! -// -/////////////////////////////////////////////////////////////////////////////// - -#ifndef MINI_INI_H_ -#define MINI_INI_H_ - -#include <string> -#include <sstream> -#include <algorithm> -#include <utility> -#include <unordered_map> -#include <vector> -#include <memory> -#include <fstream> -#include <sys/stat.h> -#include <cctype> - -namespace mINI -{ - namespace INIStringUtil - { - const char* const whitespaceDelimiters = " \t\n\r\f\v"; - inline void trim(std::string& str) - { - str.erase(str.find_last_not_of(whitespaceDelimiters) + 1); - str.erase(0, str.find_first_not_of(whitespaceDelimiters)); - } -#ifndef MINI_CASE_SENSITIVE - inline void toLower(std::string& str) - { - std::transform(str.begin(), str.end(), str.begin(), [](const char c) { - return static_cast<char>(std::tolower(c)); - }); - } -#endif - inline void replace(std::string& str, std::string const& a, std::string const& b) - { - if (!a.empty()) - { - std::size_t pos = 0; - while ((pos = str.find(a, pos)) != std::string::npos) - { - str.replace(pos, a.size(), b); - pos += b.size(); - } - } - } -#ifdef _WIN32 - const char* const endl = "\r\n"; -#else - const char* const endl = "\n"; -#endif - } - - template<typename T> - class INIMap - { - private: - using T_DataIndexMap = std::unordered_map<std::string, std::size_t>; - using T_DataItem = std::pair<std::string, T>; - using T_DataContainer = std::vector<T_DataItem>; - using T_MultiArgs = typename std::vector<std::pair<std::string, T>>; - - T_DataIndexMap dataIndexMap; - T_DataContainer data; - - inline std::size_t setEmpty(std::string& key) - { - std::size_t index = data.size(); - dataIndexMap[key] = index; - data.emplace_back(key, T()); - return index; - } - - public: - using const_iterator = typename T_DataContainer::const_iterator; - - INIMap() { } - - INIMap(INIMap const& other) - { - std::size_t data_size = other.data.size(); - for (std::size_t i = 0; i < data_size; ++i) - { - auto const& key = other.data[i].first; - auto const& obj = other.data[i].second; - data.emplace_back(key, obj); - } - dataIndexMap = T_DataIndexMap(other.dataIndexMap); - } - - T& operator[](std::string key) - { - INIStringUtil::trim(key); -#ifndef MINI_CASE_SENSITIVE - INIStringUtil::toLower(key); -#endif - auto it = dataIndexMap.find(key); - bool hasIt = (it != dataIndexMap.end()); - std::size_t index = (hasIt) ? it->second : setEmpty(key); - return data[index].second; - } - T get(std::string key) const - { - INIStringUtil::trim(key); -#ifndef MINI_CASE_SENSITIVE - INIStringUtil::toLower(key); -#endif - auto it = dataIndexMap.find(key); - if (it == dataIndexMap.end()) - { - return T(); - } - return T(data[it->second].second); - } - bool has(std::string key) const - { - INIStringUtil::trim(key); -#ifndef MINI_CASE_SENSITIVE - INIStringUtil::toLower(key); -#endif - return (dataIndexMap.count(key) == 1); - } - void set(std::string key, T obj) - { - INIStringUtil::trim(key); -#ifndef MINI_CASE_SENSITIVE - INIStringUtil::toLower(key); -#endif - auto it = dataIndexMap.find(key); - if (it != dataIndexMap.end()) - { - data[it->second].second = obj; - } - else - { - dataIndexMap[key] = data.size(); - data.emplace_back(key, obj); - } - } - void set(T_MultiArgs const& multiArgs) - { - for (auto const& it : multiArgs) - { - auto const& key = it.first; - auto const& obj = it.second; - set(key, obj); - } - } - bool remove(std::string key) - { - INIStringUtil::trim(key); -#ifndef MINI_CASE_SENSITIVE - INIStringUtil::toLower(key); -#endif - auto it = dataIndexMap.find(key); - if (it != dataIndexMap.end()) - { - std::size_t index = it->second; - data.erase(data.begin() + index); - dataIndexMap.erase(it); - for (auto& it2 : dataIndexMap) - { - auto& vi = it2.second; - if (vi > index) - { - vi--; - } - } - return true; - } - return false; - } - void clear() - { - data.clear(); - dataIndexMap.clear(); - } - std::size_t size() const - { - return data.size(); - } - const_iterator begin() const { return data.begin(); } - const_iterator end() const { return data.end(); } - }; - - using INIStructure = INIMap<INIMap<std::string>>; - - namespace INIParser - { - using T_ParseValues = std::pair<std::string, std::string>; - - enum class PDataType : char - { - PDATA_NONE, - PDATA_COMMENT, - PDATA_SECTION, - PDATA_KEYVALUE, - PDATA_UNKNOWN - }; - - inline PDataType parseLine(std::string line, T_ParseValues& parseData) - { - parseData.first.clear(); - parseData.second.clear(); - INIStringUtil::trim(line); - if (line.empty()) - { - return PDataType::PDATA_NONE; - } - char firstCharacter = line[0]; - if (firstCharacter == ';') - { - return PDataType::PDATA_COMMENT; - } - if (firstCharacter == '[') - { - auto commentAt = line.find_first_of(';'); - if (commentAt != std::string::npos) - { - line = line.substr(0, commentAt); - } - auto closingBracketAt = line.find_last_of(']'); - if (closingBracketAt != std::string::npos) - { - auto section = line.substr(1, closingBracketAt - 1); - INIStringUtil::trim(section); - parseData.first = section; - return PDataType::PDATA_SECTION; - } - } - auto lineNorm = line; - INIStringUtil::replace(lineNorm, "\\=", " "); - auto equalsAt = lineNorm.find_first_of('='); - if (equalsAt != std::string::npos) - { - auto key = line.substr(0, equalsAt); - INIStringUtil::trim(key); - INIStringUtil::replace(key, "\\=", "="); - auto value = line.substr(equalsAt + 1); - INIStringUtil::trim(value); - parseData.first = key; - parseData.second = value; - return PDataType::PDATA_KEYVALUE; - } - return PDataType::PDATA_UNKNOWN; - } - } - - class INIReader - { - public: - using T_LineData = std::vector<std::string>; - using T_LineDataPtr = std::shared_ptr<T_LineData>; - - bool isBOM = false; - - private: - std::ifstream fileReadStream; - T_LineDataPtr lineData; - - T_LineData readFile() - { - fileReadStream.seekg(0, std::ios::end); - const std::size_t fileSize = static_cast<std::size_t>(fileReadStream.tellg()); - fileReadStream.seekg(0, std::ios::beg); - if (fileSize >= 3) { - const char header[3] = { - static_cast<char>(fileReadStream.get()), - static_cast<char>(fileReadStream.get()), - static_cast<char>(fileReadStream.get()) - }; - isBOM = ( - header[0] == static_cast<char>(0xEF) && - header[1] == static_cast<char>(0xBB) && - header[2] == static_cast<char>(0xBF) - ); - } - else { - isBOM = false; - } - std::string fileContents; - fileContents.resize(fileSize); - fileReadStream.seekg(isBOM ? 3 : 0, std::ios::beg); - fileReadStream.read(&fileContents[0], fileSize); - fileReadStream.close(); - T_LineData output; - if (fileSize == 0) - { - return output; - } - std::string buffer; - buffer.reserve(50); - for (std::size_t i = 0; i < fileSize; ++i) - { - char& c = fileContents[i]; - if (c == '\n') - { - output.emplace_back(buffer); - buffer.clear(); - continue; - } - if (c != '\0' && c != '\r') - { - buffer += c; - } - } - output.emplace_back(buffer); - return output; - } - - public: - INIReader(std::string const& filename, bool keepLineData = false) - { - fileReadStream.open(filename, std::ios::in | std::ios::binary); - if (keepLineData) - { - lineData = std::make_shared<T_LineData>(); - } - } - ~INIReader() { } - - bool operator>>(INIStructure& data) - { - if (!fileReadStream.is_open()) - { - return false; - } - T_LineData fileLines = readFile(); - std::string section; - bool inSection = false; - INIParser::T_ParseValues parseData; - for (auto const& line : fileLines) - { - auto parseResult = INIParser::parseLine(line, parseData); - if (parseResult == INIParser::PDataType::PDATA_SECTION) - { - inSection = true; - data[section = parseData.first]; - } - else if (inSection && parseResult == INIParser::PDataType::PDATA_KEYVALUE) - { - auto const& key = parseData.first; - auto const& value = parseData.second; - data[section][key] = value; - } - if (lineData && parseResult != INIParser::PDataType::PDATA_UNKNOWN) - { - if (parseResult == INIParser::PDataType::PDATA_KEYVALUE && !inSection) - { - continue; - } - lineData->emplace_back(line); - } - } - return true; - } - T_LineDataPtr getLines() - { - return lineData; - } - }; - - class INIGenerator - { - private: - std::ofstream fileWriteStream; - - public: - bool prettyPrint = false; - - INIGenerator(std::string const& filename) - { - fileWriteStream.open(filename, std::ios::out | std::ios::binary); - } - ~INIGenerator() { } - - bool operator<<(INIStructure const& data) - { - if (!fileWriteStream.is_open()) - { - return false; - } - if (!data.size()) - { - return true; - } - auto it = data.begin(); - for (;;) - { - auto const& section = it->first; - auto const& collection = it->second; - fileWriteStream - << "[" - << section - << "]"; - if (collection.size()) - { - fileWriteStream << INIStringUtil::endl; - auto it2 = collection.begin(); - for (;;) - { - auto key = it2->first; - INIStringUtil::replace(key, "=", "\\="); - auto value = it2->second; - INIStringUtil::trim(value); - fileWriteStream - << key - << ((prettyPrint) ? " = " : "=") - << value; - if (++it2 == collection.end()) - { - break; - } - fileWriteStream << INIStringUtil::endl; - } - } - if (++it == data.end()) - { - break; - } - fileWriteStream << INIStringUtil::endl; - if (prettyPrint) - { - fileWriteStream << INIStringUtil::endl; - } - } - return true; - } - }; - - class INIWriter - { - private: - using T_LineData = std::vector<std::string>; - using T_LineDataPtr = std::shared_ptr<T_LineData>; - - std::string filename; - - T_LineData getLazyOutput(T_LineDataPtr const& lineData, INIStructure& data, INIStructure& original) - { - T_LineData output; - INIParser::T_ParseValues parseData; - std::string sectionCurrent; - bool parsingSection = false; - bool continueToNextSection = false; - bool discardNextEmpty = false; - bool writeNewKeys = false; - std::size_t lastKeyLine = 0; - for (auto line = lineData->begin(); line != lineData->end(); ++line) - { - if (!writeNewKeys) - { - auto parseResult = INIParser::parseLine(*line, parseData); - if (parseResult == INIParser::PDataType::PDATA_SECTION) - { - if (parsingSection) - { - writeNewKeys = true; - parsingSection = false; - --line; - continue; - } - sectionCurrent = parseData.first; - if (data.has(sectionCurrent)) - { - parsingSection = true; - continueToNextSection = false; - discardNextEmpty = false; - output.emplace_back(*line); - lastKeyLine = output.size(); - } - else - { - continueToNextSection = true; - discardNextEmpty = true; - continue; - } - } - else if (parseResult == INIParser::PDataType::PDATA_KEYVALUE) - { - if (continueToNextSection) - { - continue; - } - if (data.has(sectionCurrent)) - { - auto& collection = data[sectionCurrent]; - auto const& key = parseData.first; - auto const& value = parseData.second; - if (collection.has(key)) - { - auto outputValue = collection[key]; - if (value == outputValue) - { - output.emplace_back(*line); - } - else - { - INIStringUtil::trim(outputValue); - auto lineNorm = *line; - INIStringUtil::replace(lineNorm, "\\=", " "); - auto equalsAt = lineNorm.find_first_of('='); - auto valueAt = lineNorm.find_first_not_of( - INIStringUtil::whitespaceDelimiters, - equalsAt + 1 - ); - std::string outputLine = line->substr(0, valueAt); - if (prettyPrint && equalsAt + 1 == valueAt) - { - outputLine += " "; - } - outputLine += outputValue; - output.emplace_back(outputLine); - } - lastKeyLine = output.size(); - } - } - } - else - { - if (discardNextEmpty && line->empty()) - { - discardNextEmpty = false; - } - else if (parseResult != INIParser::PDataType::PDATA_UNKNOWN) - { - output.emplace_back(*line); - } - } - } - if (writeNewKeys || std::next(line) == lineData->end()) - { - T_LineData linesToAdd; - if (data.has(sectionCurrent) && original.has(sectionCurrent)) - { - auto const& collection = data[sectionCurrent]; - auto const& collectionOriginal = original[sectionCurrent]; - for (auto const& it : collection) - { - auto key = it.first; - if (collectionOriginal.has(key)) - { - continue; - } - auto value = it.second; - INIStringUtil::replace(key, "=", "\\="); - INIStringUtil::trim(value); - linesToAdd.emplace_back( - key + ((prettyPrint) ? " = " : "=") + value - ); - } - } - if (!linesToAdd.empty()) - { - output.insert( - output.begin() + lastKeyLine, - linesToAdd.begin(), - linesToAdd.end() - ); - } - if (writeNewKeys) - { - writeNewKeys = false; - --line; - } - } - } - for (auto const& it : data) - { - auto const& section = it.first; - if (original.has(section)) - { - continue; - } - if (prettyPrint && output.size() > 0 && !output.back().empty()) - { - output.emplace_back(); - } - output.emplace_back("[" + section + "]"); - auto const& collection = it.second; - for (auto const& it2 : collection) - { - auto key = it2.first; - auto value = it2.second; - INIStringUtil::replace(key, "=", "\\="); - INIStringUtil::trim(value); - output.emplace_back( - key + ((prettyPrint) ? " = " : "=") + value - ); - } - } - return output; - } - - public: - bool prettyPrint = false; - - INIWriter(std::string const& filename) - : filename(filename) - { - } - ~INIWriter() { } - - bool operator<<(INIStructure& data) - { - struct stat buf; - bool fileExists = (stat(filename.c_str(), &buf) == 0); - if (!fileExists) - { - INIGenerator generator(filename); - generator.prettyPrint = prettyPrint; - return generator << data; - } - INIStructure originalData; - T_LineDataPtr lineData; - bool readSuccess = false; - bool fileIsBOM = false; - { - INIReader reader(filename, true); - if ((readSuccess = reader >> originalData)) - { - lineData = reader.getLines(); - fileIsBOM = reader.isBOM; - } - } - if (!readSuccess) - { - return false; - } - T_LineData output = getLazyOutput(lineData, data, originalData); - std::ofstream fileWriteStream(filename, std::ios::out | std::ios::binary); - if (fileWriteStream.is_open()) - { - if (fileIsBOM) { - const char utf8_BOM[3] = { - static_cast<char>(0xEF), - static_cast<char>(0xBB), - static_cast<char>(0xBF) - }; - fileWriteStream.write(utf8_BOM, 3); - } - if (output.size()) - { - auto line = output.begin(); - for (;;) - { - fileWriteStream << *line; - if (++line == output.end()) - { - break; - } - fileWriteStream << INIStringUtil::endl; - } - } - return true; - } - return false; - } - }; - - class INIFile - { - private: - std::string filename; - - public: - INIFile(std::string const& filename) - : filename(filename) - { } - - ~INIFile() { } - - bool read(INIStructure& data) const - { - if (data.size()) - { - data.clear(); - } - if (filename.empty()) - { - return false; - } - INIReader reader(filename); - return reader >> data; - } - bool generate(INIStructure const& data, bool pretty = false) const - { - if (filename.empty()) - { - return false; - } - INIGenerator generator(filename); - generator.prettyPrint = pretty; - return generator << data; - } - bool write(INIStructure& data, bool pretty = false) const - { - if (filename.empty()) - { - return false; - } - INIWriter writer(filename); - writer.prettyPrint = pretty; - return writer << data; - } - }; -} - -#endif // MINI_INI_H_
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/LICENSE Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2017 Toru Niina + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,38 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2017 Toru Niina + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef TOML_FOR_MODERN_CPP +#define TOML_FOR_MODERN_CPP + +#define TOML11_VERSION_MAJOR 3 +#define TOML11_VERSION_MINOR 8 +#define TOML11_VERSION_PATCH 1 + +#include "toml/parser.hpp" +#include "toml/literal.hpp" +#include "toml/serializer.hpp" +#include "toml/get.hpp" +#include "toml/macros.hpp" + +#endif// TOML_FOR_MODERN_CPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/color.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,109 @@ +#ifndef TOML11_COLOR_HPP +#define TOML11_COLOR_HPP +#include <cstdint> +#include <ostream> + +#ifdef TOML11_COLORIZE_ERROR_MESSAGE +#define TOML11_ERROR_MESSAGE_COLORIZED true +#else +#define TOML11_ERROR_MESSAGE_COLORIZED false +#endif + +namespace toml +{ + +// put ANSI escape sequence to ostream +namespace color_ansi +{ +namespace detail +{ + +inline int colorize_index() +{ + static const int index = std::ios_base::xalloc(); + return index; +} + +// Control color mode globally +class color_mode +{ + public: + inline void enable() + { + should_color_ = true; + } + inline void disable() + { + should_color_ = false; + } + + inline bool should_color() const + { + return should_color_; + } + + static color_mode& status() + { + static color_mode status_; + return status_; + } + + private: + bool should_color_ = false; +}; + +} // detail + +inline std::ostream& colorize(std::ostream& os) +{ + // by default, it is zero. + os.iword(detail::colorize_index()) = 1; + return os; +} +inline std::ostream& nocolorize(std::ostream& os) +{ + os.iword(detail::colorize_index()) = 0; + return os; +} +inline std::ostream& reset (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[00m";} return os;} +inline std::ostream& bold (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[01m";} return os;} +inline std::ostream& grey (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[30m";} return os;} +inline std::ostream& red (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[31m";} return os;} +inline std::ostream& green (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[32m";} return os;} +inline std::ostream& yellow (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[33m";} return os;} +inline std::ostream& blue (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[34m";} return os;} +inline std::ostream& magenta(std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[35m";} return os;} +inline std::ostream& cyan (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[36m";} return os;} +inline std::ostream& white (std::ostream& os) +{if(os.iword(detail::colorize_index()) == 1) {os << "\033[37m";} return os;} + +inline void enable() +{ + return detail::color_mode::status().enable(); +} +inline void disable() +{ + return detail::color_mode::status().disable(); +} + +inline bool should_color() +{ + return detail::color_mode::status().should_color(); +} + +} // color_ansi + +// ANSI escape sequence is the only and default colorization method currently +namespace color = color_ansi; + +} // toml +#endif// TOML11_COLOR_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/combinator.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,306 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_COMBINATOR_HPP +#define TOML11_COMBINATOR_HPP +#include <cassert> +#include <cctype> +#include <cstdio> + +#include <array> +#include <iomanip> +#include <iterator> +#include <limits> +#include <type_traits> + +#include "region.hpp" +#include "result.hpp" +#include "traits.hpp" +#include "utility.hpp" + +// they scans characters and returns region if it matches to the condition. +// when they fail, it does not change the location. +// in lexer.hpp, these are used. + +namespace toml +{ +namespace detail +{ + +// to output character as an error message. +inline std::string show_char(const char c) +{ + // It suppresses an error that occurs only in Debug mode of MSVC++ on Windows. + // I'm not completely sure but they check the value of char to be in the + // range [0, 256) and some of the COMPLETELY VALID utf-8 character sometimes + // has negative value (if char has sign). So here it re-interprets c as + // unsigned char through pointer. In general, converting pointer to a + // pointer that has different type cause UB, but `(signed|unsigned)?char` + // are one of the exceptions. Converting pointer only to char and std::byte + // (c++17) are valid. + if(std::isgraph(*reinterpret_cast<unsigned char const*>(std::addressof(c)))) + { + return std::string(1, c); + } + else + { + std::array<char, 5> buf; + buf.fill('\0'); + const auto r = std::snprintf( + buf.data(), buf.size(), "0x%02x", static_cast<int>(c) & 0xFF); + (void) r; // Unused variable warning + assert(r == static_cast<int>(buf.size()) - 1); + return std::string(buf.data()); + } +} + +template<char C> +struct character +{ + static constexpr char target = C; + + static result<region, none_t> + invoke(location& loc) + { + if(loc.iter() == loc.end()) {return none();} + const auto first = loc.iter(); + + const char c = *(loc.iter()); + if(c != target) + { + return none(); + } + loc.advance(); // update location + + return ok(region(loc, first, loc.iter())); + } +}; +template<char C> +constexpr char character<C>::target; + +// closed interval [Low, Up]. both Low and Up are included. +template<char Low, char Up> +struct in_range +{ + // assuming ascii part of UTF-8... + static_assert(Low <= Up, "lower bound should be less than upper bound."); + + static constexpr char upper = Up; + static constexpr char lower = Low; + + static result<region, none_t> + invoke(location& loc) + { + if(loc.iter() == loc.end()) {return none();} + const auto first = loc.iter(); + + const char c = *(loc.iter()); + if(c < lower || upper < c) + { + return none(); + } + + loc.advance(); + return ok(region(loc, first, loc.iter())); + } +}; +template<char L, char U> constexpr char in_range<L, U>::upper; +template<char L, char U> constexpr char in_range<L, U>::lower; + +// keep iterator if `Combinator` matches. otherwise, increment `iter` by 1 char. +// for detecting invalid characters, like control sequences in toml string. +template<typename Combinator> +struct exclude +{ + static result<region, none_t> + invoke(location& loc) + { + if(loc.iter() == loc.end()) {return none();} + auto first = loc.iter(); + + auto rslt = Combinator::invoke(loc); + if(rslt.is_ok()) + { + loc.reset(first); + return none(); + } + loc.reset(std::next(first)); // XXX maybe loc.advance() is okay but... + return ok(region(loc, first, loc.iter())); + } +}; + +// increment `iter`, if matches. otherwise, just return empty string. +template<typename Combinator> +struct maybe +{ + static result<region, none_t> + invoke(location& loc) + { + const auto rslt = Combinator::invoke(loc); + if(rslt.is_ok()) + { + return rslt; + } + return ok(region(loc)); + } +}; + +template<typename ... Ts> +struct sequence; + +template<typename Head, typename ... Tail> +struct sequence<Head, Tail...> +{ + static result<region, none_t> + invoke(location& loc) + { + const auto first = loc.iter(); + auto rslt = Head::invoke(loc); + if(rslt.is_err()) + { + loc.reset(first); + return none(); + } + return sequence<Tail...>::invoke(loc, std::move(rslt.unwrap()), first); + } + + // called from the above function only, recursively. + template<typename Iterator> + static result<region, none_t> + invoke(location& loc, region reg, Iterator first) + { + const auto rslt = Head::invoke(loc); + if(rslt.is_err()) + { + loc.reset(first); + return none(); + } + reg += rslt.unwrap(); // concat regions + return sequence<Tail...>::invoke(loc, std::move(reg), first); + } +}; + +template<typename Head> +struct sequence<Head> +{ + // would be called from sequence<T ...>::invoke only. + template<typename Iterator> + static result<region, none_t> + invoke(location& loc, region reg, Iterator first) + { + const auto rslt = Head::invoke(loc); + if(rslt.is_err()) + { + loc.reset(first); + return none(); + } + reg += rslt.unwrap(); // concat regions + return ok(reg); + } +}; + +template<typename ... Ts> +struct either; + +template<typename Head, typename ... Tail> +struct either<Head, Tail...> +{ + static result<region, none_t> + invoke(location& loc) + { + const auto rslt = Head::invoke(loc); + if(rslt.is_ok()) {return rslt;} + return either<Tail...>::invoke(loc); + } +}; +template<typename Head> +struct either<Head> +{ + static result<region, none_t> + invoke(location& loc) + { + return Head::invoke(loc); + } +}; + +template<typename T, typename N> +struct repeat; + +template<std::size_t N> struct exactly{}; +template<std::size_t N> struct at_least{}; +struct unlimited{}; + +template<typename T, std::size_t N> +struct repeat<T, exactly<N>> +{ + static result<region, none_t> + invoke(location& loc) + { + region retval(loc); + const auto first = loc.iter(); + for(std::size_t i=0; i<N; ++i) + { + auto rslt = T::invoke(loc); + if(rslt.is_err()) + { + loc.reset(first); + return none(); + } + retval += rslt.unwrap(); + } + return ok(std::move(retval)); + } +}; + +template<typename T, std::size_t N> +struct repeat<T, at_least<N>> +{ + static result<region, none_t> + invoke(location& loc) + { + region retval(loc); + + const auto first = loc.iter(); + for(std::size_t i=0; i<N; ++i) + { + auto rslt = T::invoke(loc); + if(rslt.is_err()) + { + loc.reset(first); + return none(); + } + retval += rslt.unwrap(); + } + while(true) + { + auto rslt = T::invoke(loc); + if(rslt.is_err()) + { + return ok(std::move(retval)); + } + retval += rslt.unwrap(); + } + } +}; + +template<typename T> +struct repeat<T, unlimited> +{ + static result<region, none_t> + invoke(location& loc) + { + region retval(loc); + while(true) + { + auto rslt = T::invoke(loc); + if(rslt.is_err()) + { + return ok(std::move(retval)); + } + retval += rslt.unwrap(); + } + } +}; + +} // detail +} // toml +#endif// TOML11_COMBINATOR_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/comments.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,484 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_COMMENTS_HPP +#define TOML11_COMMENTS_HPP +#include <initializer_list> +#include <iterator> +#include <stdexcept> +#include <string> +#include <type_traits> +#include <utility> +#include <vector> + +#ifdef TOML11_PRESERVE_COMMENTS_BY_DEFAULT +# define TOML11_DEFAULT_COMMENT_STRATEGY ::toml::preserve_comments +#else +# define TOML11_DEFAULT_COMMENT_STRATEGY ::toml::discard_comments +#endif + +// This file provides mainly two classes, `preserve_comments` and `discard_comments`. +// Those two are a container that have the same interface as `std::vector<std::string>` +// but bahaves in the opposite way. `preserve_comments` is just the same as +// `std::vector<std::string>` and each `std::string` corresponds to a comment line. +// Conversely, `discard_comments` discards all the strings and ignores everything +// assigned in it. `discard_comments` is always empty and you will encounter an +// error whenever you access to the element. +namespace toml +{ +struct discard_comments; // forward decl + +// use it in the following way +// +// const toml::basic_value<toml::preserve_comments> data = +// toml::parse<toml::preserve_comments>("example.toml"); +// +// the interface is almost the same as std::vector<std::string>. +struct preserve_comments +{ + // `container_type` is not provided in discard_comments. + // do not use this inner-type in a generic code. + using container_type = std::vector<std::string>; + + using size_type = container_type::size_type; + using difference_type = container_type::difference_type; + using value_type = container_type::value_type; + using reference = container_type::reference; + using const_reference = container_type::const_reference; + using pointer = container_type::pointer; + using const_pointer = container_type::const_pointer; + using iterator = container_type::iterator; + using const_iterator = container_type::const_iterator; + using reverse_iterator = container_type::reverse_iterator; + using const_reverse_iterator = container_type::const_reverse_iterator; + + preserve_comments() = default; + ~preserve_comments() = default; + preserve_comments(preserve_comments const&) = default; + preserve_comments(preserve_comments &&) = default; + preserve_comments& operator=(preserve_comments const&) = default; + preserve_comments& operator=(preserve_comments &&) = default; + + explicit preserve_comments(const std::vector<std::string>& c): comments(c){} + explicit preserve_comments(std::vector<std::string>&& c) + : comments(std::move(c)) + {} + preserve_comments& operator=(const std::vector<std::string>& c) + { + comments = c; + return *this; + } + preserve_comments& operator=(std::vector<std::string>&& c) + { + comments = std::move(c); + return *this; + } + + explicit preserve_comments(const discard_comments&) {} + + explicit preserve_comments(size_type n): comments(n) {} + preserve_comments(size_type n, const std::string& x): comments(n, x) {} + preserve_comments(std::initializer_list<std::string> x): comments(x) {} + template<typename InputIterator> + preserve_comments(InputIterator first, InputIterator last) + : comments(first, last) + {} + + template<typename InputIterator> + void assign(InputIterator first, InputIterator last) {comments.assign(first, last);} + void assign(std::initializer_list<std::string> ini) {comments.assign(ini);} + void assign(size_type n, const std::string& val) {comments.assign(n, val);} + + // Related to the issue #97. + // + // It is known that `std::vector::insert` and `std::vector::erase` in + // the standard library implementation included in GCC 4.8.5 takes + // `std::vector::iterator` instead of `std::vector::const_iterator`. + // Because of the const-correctness, we cannot convert a `const_iterator` to + // an `iterator`. It causes compilation error in GCC 4.8.5. +#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) && !defined(__clang__) +# if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) <= 40805 +# define TOML11_WORKAROUND_GCC_4_8_X_STANDARD_LIBRARY_IMPLEMENTATION +# endif +#endif + +#ifdef TOML11_WORKAROUND_GCC_4_8_X_STANDARD_LIBRARY_IMPLEMENTATION + iterator insert(iterator p, const std::string& x) + { + return comments.insert(p, x); + } + iterator insert(iterator p, std::string&& x) + { + return comments.insert(p, std::move(x)); + } + void insert(iterator p, size_type n, const std::string& x) + { + return comments.insert(p, n, x); + } + template<typename InputIterator> + void insert(iterator p, InputIterator first, InputIterator last) + { + return comments.insert(p, first, last); + } + void insert(iterator p, std::initializer_list<std::string> ini) + { + return comments.insert(p, ini); + } + + template<typename ... Ts> + iterator emplace(iterator p, Ts&& ... args) + { + return comments.emplace(p, std::forward<Ts>(args)...); + } + + iterator erase(iterator pos) {return comments.erase(pos);} + iterator erase(iterator first, iterator last) + { + return comments.erase(first, last); + } +#else + iterator insert(const_iterator p, const std::string& x) + { + return comments.insert(p, x); + } + iterator insert(const_iterator p, std::string&& x) + { + return comments.insert(p, std::move(x)); + } + iterator insert(const_iterator p, size_type n, const std::string& x) + { + return comments.insert(p, n, x); + } + template<typename InputIterator> + iterator insert(const_iterator p, InputIterator first, InputIterator last) + { + return comments.insert(p, first, last); + } + iterator insert(const_iterator p, std::initializer_list<std::string> ini) + { + return comments.insert(p, ini); + } + + template<typename ... Ts> + iterator emplace(const_iterator p, Ts&& ... args) + { + return comments.emplace(p, std::forward<Ts>(args)...); + } + + iterator erase(const_iterator pos) {return comments.erase(pos);} + iterator erase(const_iterator first, const_iterator last) + { + return comments.erase(first, last); + } +#endif + + void swap(preserve_comments& other) {comments.swap(other.comments);} + + void push_back(const std::string& v) {comments.push_back(v);} + void push_back(std::string&& v) {comments.push_back(std::move(v));} + void pop_back() {comments.pop_back();} + + template<typename ... Ts> + void emplace_back(Ts&& ... args) {comments.emplace_back(std::forward<Ts>(args)...);} + + void clear() {comments.clear();} + + size_type size() const noexcept {return comments.size();} + size_type max_size() const noexcept {return comments.max_size();} + size_type capacity() const noexcept {return comments.capacity();} + bool empty() const noexcept {return comments.empty();} + + void reserve(size_type n) {comments.reserve(n);} + void resize(size_type n) {comments.resize(n);} + void resize(size_type n, const std::string& c) {comments.resize(n, c);} + void shrink_to_fit() {comments.shrink_to_fit();} + + reference operator[](const size_type n) noexcept {return comments[n];} + const_reference operator[](const size_type n) const noexcept {return comments[n];} + reference at(const size_type n) {return comments.at(n);} + const_reference at(const size_type n) const {return comments.at(n);} + reference front() noexcept {return comments.front();} + const_reference front() const noexcept {return comments.front();} + reference back() noexcept {return comments.back();} + const_reference back() const noexcept {return comments.back();} + + pointer data() noexcept {return comments.data();} + const_pointer data() const noexcept {return comments.data();} + + iterator begin() noexcept {return comments.begin();} + iterator end() noexcept {return comments.end();} + const_iterator begin() const noexcept {return comments.begin();} + const_iterator end() const noexcept {return comments.end();} + const_iterator cbegin() const noexcept {return comments.cbegin();} + const_iterator cend() const noexcept {return comments.cend();} + + reverse_iterator rbegin() noexcept {return comments.rbegin();} + reverse_iterator rend() noexcept {return comments.rend();} + const_reverse_iterator rbegin() const noexcept {return comments.rbegin();} + const_reverse_iterator rend() const noexcept {return comments.rend();} + const_reverse_iterator crbegin() const noexcept {return comments.crbegin();} + const_reverse_iterator crend() const noexcept {return comments.crend();} + + friend bool operator==(const preserve_comments&, const preserve_comments&); + friend bool operator!=(const preserve_comments&, const preserve_comments&); + friend bool operator< (const preserve_comments&, const preserve_comments&); + friend bool operator<=(const preserve_comments&, const preserve_comments&); + friend bool operator> (const preserve_comments&, const preserve_comments&); + friend bool operator>=(const preserve_comments&, const preserve_comments&); + + friend void swap(preserve_comments&, std::vector<std::string>&); + friend void swap(std::vector<std::string>&, preserve_comments&); + + private: + + container_type comments; +}; + +inline bool operator==(const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments == rhs.comments;} +inline bool operator!=(const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments != rhs.comments;} +inline bool operator< (const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments < rhs.comments;} +inline bool operator<=(const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments <= rhs.comments;} +inline bool operator> (const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments > rhs.comments;} +inline bool operator>=(const preserve_comments& lhs, const preserve_comments& rhs) {return lhs.comments >= rhs.comments;} + +inline void swap(preserve_comments& lhs, preserve_comments& rhs) +{ + lhs.swap(rhs); + return; +} +inline void swap(preserve_comments& lhs, std::vector<std::string>& rhs) +{ + lhs.comments.swap(rhs); + return; +} +inline void swap(std::vector<std::string>& lhs, preserve_comments& rhs) +{ + lhs.swap(rhs.comments); + return; +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const preserve_comments& com) +{ + for(const auto& c : com) + { + os << '#' << c << '\n'; + } + return os; +} + +namespace detail +{ + +// To provide the same interface with `preserve_comments`, `discard_comments` +// should have an iterator. But it does not contain anything, so we need to +// add an iterator that points nothing. +// +// It always points null, so DO NOT unwrap this iterator. It always crashes +// your program. +template<typename T, bool is_const> +struct empty_iterator +{ + using value_type = T; + using reference_type = typename std::conditional<is_const, T const&, T&>::type; + using pointer_type = typename std::conditional<is_const, T const*, T*>::type; + using difference_type = std::ptrdiff_t; + using iterator_category = std::random_access_iterator_tag; + + empty_iterator() = default; + ~empty_iterator() = default; + empty_iterator(empty_iterator const&) = default; + empty_iterator(empty_iterator &&) = default; + empty_iterator& operator=(empty_iterator const&) = default; + empty_iterator& operator=(empty_iterator &&) = default; + + // DO NOT call these operators. + reference_type operator*() const noexcept {std::terminate();} + pointer_type operator->() const noexcept {return nullptr;} + reference_type operator[](difference_type) const noexcept {return this->operator*();} + + // These operators do nothing. + empty_iterator& operator++() noexcept {return *this;} + empty_iterator operator++(int) noexcept {return *this;} + empty_iterator& operator--() noexcept {return *this;} + empty_iterator operator--(int) noexcept {return *this;} + + empty_iterator& operator+=(difference_type) noexcept {return *this;} + empty_iterator& operator-=(difference_type) noexcept {return *this;} + + empty_iterator operator+(difference_type) const noexcept {return *this;} + empty_iterator operator-(difference_type) const noexcept {return *this;} +}; + +template<typename T, bool C> +bool operator==(const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return true;} +template<typename T, bool C> +bool operator!=(const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return false;} +template<typename T, bool C> +bool operator< (const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return false;} +template<typename T, bool C> +bool operator<=(const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return true;} +template<typename T, bool C> +bool operator> (const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return false;} +template<typename T, bool C> +bool operator>=(const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return true;} + +template<typename T, bool C> +typename empty_iterator<T, C>::difference_type +operator-(const empty_iterator<T, C>&, const empty_iterator<T, C>&) noexcept {return 0;} + +template<typename T, bool C> +empty_iterator<T, C> +operator+(typename empty_iterator<T, C>::difference_type, const empty_iterator<T, C>& rhs) noexcept {return rhs;} +template<typename T, bool C> +empty_iterator<T, C> +operator+(const empty_iterator<T, C>& lhs, typename empty_iterator<T, C>::difference_type) noexcept {return lhs;} + +} // detail + +// The default comment type. It discards all the comments. It requires only one +// byte to contain, so the memory footprint is smaller than preserve_comments. +// +// It just ignores `push_back`, `insert`, `erase`, and any other modifications. +// IT always returns size() == 0, the iterator taken by `begin()` is always the +// same as that of `end()`, and accessing through `operator[]` or iterators +// always causes a segmentation fault. DO NOT access to the element of this. +// +// Why this is chose as the default type is because the last version (2.x.y) +// does not contain any comments in a value. To minimize the impact on the +// efficiency, this is chosen as a default. +// +// To reduce the memory footprint, later we can try empty base optimization (EBO). +struct discard_comments +{ + using size_type = std::size_t; + using difference_type = std::ptrdiff_t; + using value_type = std::string; + using reference = std::string&; + using const_reference = std::string const&; + using pointer = std::string*; + using const_pointer = std::string const*; + using iterator = detail::empty_iterator<std::string, false>; + using const_iterator = detail::empty_iterator<std::string, true>; + using reverse_iterator = detail::empty_iterator<std::string, false>; + using const_reverse_iterator = detail::empty_iterator<std::string, true>; + + discard_comments() = default; + ~discard_comments() = default; + discard_comments(discard_comments const&) = default; + discard_comments(discard_comments &&) = default; + discard_comments& operator=(discard_comments const&) = default; + discard_comments& operator=(discard_comments &&) = default; + + explicit discard_comments(const std::vector<std::string>&) noexcept {} + explicit discard_comments(std::vector<std::string>&&) noexcept {} + discard_comments& operator=(const std::vector<std::string>&) noexcept {return *this;} + discard_comments& operator=(std::vector<std::string>&&) noexcept {return *this;} + + explicit discard_comments(const preserve_comments&) noexcept {} + + explicit discard_comments(size_type) noexcept {} + discard_comments(size_type, const std::string&) noexcept {} + discard_comments(std::initializer_list<std::string>) noexcept {} + template<typename InputIterator> + discard_comments(InputIterator, InputIterator) noexcept {} + + template<typename InputIterator> + void assign(InputIterator, InputIterator) noexcept {} + void assign(std::initializer_list<std::string>) noexcept {} + void assign(size_type, const std::string&) noexcept {} + + iterator insert(const_iterator, const std::string&) {return iterator{};} + iterator insert(const_iterator, std::string&&) {return iterator{};} + iterator insert(const_iterator, size_type, const std::string&) {return iterator{};} + template<typename InputIterator> + iterator insert(const_iterator, InputIterator, InputIterator) {return iterator{};} + iterator insert(const_iterator, std::initializer_list<std::string>) {return iterator{};} + + template<typename ... Ts> + iterator emplace(const_iterator, Ts&& ...) {return iterator{};} + iterator erase(const_iterator) {return iterator{};} + iterator erase(const_iterator, const_iterator) {return iterator{};} + + void swap(discard_comments&) {return;} + + void push_back(const std::string&) {return;} + void push_back(std::string&& ) {return;} + void pop_back() {return;} + + template<typename ... Ts> + void emplace_back(Ts&& ...) {return;} + + void clear() {return;} + + size_type size() const noexcept {return 0;} + size_type max_size() const noexcept {return 0;} + size_type capacity() const noexcept {return 0;} + bool empty() const noexcept {return true;} + + void reserve(size_type) {return;} + void resize(size_type) {return;} + void resize(size_type, const std::string&) {return;} + void shrink_to_fit() {return;} + + // DO NOT access to the element of this container. This container is always + // empty, so accessing through operator[], front/back, data causes address + // error. + + reference operator[](const size_type) noexcept {never_call("toml::discard_comment::operator[]");} + const_reference operator[](const size_type) const noexcept {never_call("toml::discard_comment::operator[]");} + reference at(const size_type) {throw std::out_of_range("toml::discard_comment is always empty.");} + const_reference at(const size_type) const {throw std::out_of_range("toml::discard_comment is always empty.");} + reference front() noexcept {never_call("toml::discard_comment::front");} + const_reference front() const noexcept {never_call("toml::discard_comment::front");} + reference back() noexcept {never_call("toml::discard_comment::back");} + const_reference back() const noexcept {never_call("toml::discard_comment::back");} + + pointer data() noexcept {return nullptr;} + const_pointer data() const noexcept {return nullptr;} + + iterator begin() noexcept {return iterator{};} + iterator end() noexcept {return iterator{};} + const_iterator begin() const noexcept {return const_iterator{};} + const_iterator end() const noexcept {return const_iterator{};} + const_iterator cbegin() const noexcept {return const_iterator{};} + const_iterator cend() const noexcept {return const_iterator{};} + + reverse_iterator rbegin() noexcept {return iterator{};} + reverse_iterator rend() noexcept {return iterator{};} + const_reverse_iterator rbegin() const noexcept {return const_iterator{};} + const_reverse_iterator rend() const noexcept {return const_iterator{};} + const_reverse_iterator crbegin() const noexcept {return const_iterator{};} + const_reverse_iterator crend() const noexcept {return const_iterator{};} + + private: + + [[noreturn]] static void never_call(const char *const this_function) + { +#ifdef __has_builtin +# if __has_builtin(__builtin_unreachable) + __builtin_unreachable(); +# endif +#endif + throw std::logic_error{this_function}; + } +}; + +inline bool operator==(const discard_comments&, const discard_comments&) noexcept {return true;} +inline bool operator!=(const discard_comments&, const discard_comments&) noexcept {return false;} +inline bool operator< (const discard_comments&, const discard_comments&) noexcept {return false;} +inline bool operator<=(const discard_comments&, const discard_comments&) noexcept {return true;} +inline bool operator> (const discard_comments&, const discard_comments&) noexcept {return false;} +inline bool operator>=(const discard_comments&, const discard_comments&) noexcept {return true;} + +inline void swap(const discard_comments&, const discard_comments&) noexcept {return;} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const discard_comments&) +{ + return os; +} + +} // toml11 +#endif// TOML11_COMMENTS_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/datetime.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,631 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_DATETIME_HPP +#define TOML11_DATETIME_HPP +#include <cstdint> +#include <cstdlib> +#include <ctime> + +#include <array> +#include <chrono> +#include <iomanip> +#include <ostream> +#include <tuple> + +namespace toml +{ + +// To avoid non-threadsafe std::localtime. In C11 (not C++11!), localtime_s is +// provided in the absolutely same purpose, but C++11 is actually not compatible +// with C11. We need to dispatch the function depending on the OS. +namespace detail +{ +// TODO: find more sophisticated way to handle this +#if defined(_MSC_VER) +inline std::tm localtime_s(const std::time_t* src) +{ + std::tm dst; + const auto result = ::localtime_s(&dst, src); + if (result) { throw std::runtime_error("localtime_s failed."); } + return dst; +} +inline std::tm gmtime_s(const std::time_t* src) +{ + std::tm dst; + const auto result = ::gmtime_s(&dst, src); + if (result) { throw std::runtime_error("gmtime_s failed."); } + return dst; +} +#elif (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 1) || defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || defined(_POSIX_SOURCE) +inline std::tm localtime_s(const std::time_t* src) +{ + std::tm dst; + const auto result = ::localtime_r(src, &dst); + if (!result) { throw std::runtime_error("localtime_r failed."); } + return dst; +} +inline std::tm gmtime_s(const std::time_t* src) +{ + std::tm dst; + const auto result = ::gmtime_r(src, &dst); + if (!result) { throw std::runtime_error("gmtime_r failed."); } + return dst; +} +#else // fallback. not threadsafe +inline std::tm localtime_s(const std::time_t* src) +{ + const auto result = std::localtime(src); + if (!result) { throw std::runtime_error("localtime failed."); } + return *result; +} +inline std::tm gmtime_s(const std::time_t* src) +{ + const auto result = std::gmtime(src); + if (!result) { throw std::runtime_error("gmtime failed."); } + return *result; +} +#endif +} // detail + +enum class month_t : std::uint8_t +{ + Jan = 0, + Feb = 1, + Mar = 2, + Apr = 3, + May = 4, + Jun = 5, + Jul = 6, + Aug = 7, + Sep = 8, + Oct = 9, + Nov = 10, + Dec = 11 +}; + +struct local_date +{ + std::int16_t year{}; // A.D. (like, 2018) + std::uint8_t month{}; // [0, 11] + std::uint8_t day{}; // [1, 31] + + local_date(int y, month_t m, int d) + : year (static_cast<std::int16_t>(y)), + month(static_cast<std::uint8_t>(m)), + day (static_cast<std::uint8_t>(d)) + {} + + explicit local_date(const std::tm& t) + : year (static_cast<std::int16_t>(t.tm_year + 1900)), + month(static_cast<std::uint8_t>(t.tm_mon)), + day (static_cast<std::uint8_t>(t.tm_mday)) + {} + + explicit local_date(const std::chrono::system_clock::time_point& tp) + { + const auto t = std::chrono::system_clock::to_time_t(tp); + const auto time = detail::localtime_s(&t); + *this = local_date(time); + } + + explicit local_date(const std::time_t t) + : local_date(std::chrono::system_clock::from_time_t(t)) + {} + + operator std::chrono::system_clock::time_point() const + { + // std::mktime returns date as local time zone. no conversion needed + std::tm t; + t.tm_sec = 0; + t.tm_min = 0; + t.tm_hour = 0; + t.tm_mday = static_cast<int>(this->day); + t.tm_mon = static_cast<int>(this->month); + t.tm_year = static_cast<int>(this->year) - 1900; + t.tm_wday = 0; // the value will be ignored + t.tm_yday = 0; // the value will be ignored + t.tm_isdst = -1; + return std::chrono::system_clock::from_time_t(std::mktime(&t)); + } + + operator std::time_t() const + { + return std::chrono::system_clock::to_time_t( + std::chrono::system_clock::time_point(*this)); + } + + local_date() = default; + ~local_date() = default; + local_date(local_date const&) = default; + local_date(local_date&&) = default; + local_date& operator=(local_date const&) = default; + local_date& operator=(local_date&&) = default; +}; + +inline bool operator==(const local_date& lhs, const local_date& rhs) +{ + return std::make_tuple(lhs.year, lhs.month, lhs.day) == + std::make_tuple(rhs.year, rhs.month, rhs.day); +} +inline bool operator!=(const local_date& lhs, const local_date& rhs) +{ + return !(lhs == rhs); +} +inline bool operator< (const local_date& lhs, const local_date& rhs) +{ + return std::make_tuple(lhs.year, lhs.month, lhs.day) < + std::make_tuple(rhs.year, rhs.month, rhs.day); +} +inline bool operator<=(const local_date& lhs, const local_date& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +inline bool operator> (const local_date& lhs, const local_date& rhs) +{ + return !(lhs <= rhs); +} +inline bool operator>=(const local_date& lhs, const local_date& rhs) +{ + return !(lhs < rhs); +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const local_date& date) +{ + os << std::setfill('0') << std::setw(4) << static_cast<int>(date.year ) << '-'; + os << std::setfill('0') << std::setw(2) << static_cast<int>(date.month) + 1 << '-'; + os << std::setfill('0') << std::setw(2) << static_cast<int>(date.day ) ; + return os; +} + +struct local_time +{ + std::uint8_t hour{}; // [0, 23] + std::uint8_t minute{}; // [0, 59] + std::uint8_t second{}; // [0, 60] + std::uint16_t millisecond{}; // [0, 999] + std::uint16_t microsecond{}; // [0, 999] + std::uint16_t nanosecond{}; // [0, 999] + + local_time(int h, int m, int s, + int ms = 0, int us = 0, int ns = 0) + : hour (static_cast<std::uint8_t>(h)), + minute(static_cast<std::uint8_t>(m)), + second(static_cast<std::uint8_t>(s)), + millisecond(static_cast<std::uint16_t>(ms)), + microsecond(static_cast<std::uint16_t>(us)), + nanosecond (static_cast<std::uint16_t>(ns)) + {} + + explicit local_time(const std::tm& t) + : hour (static_cast<std::uint8_t>(t.tm_hour)), + minute(static_cast<std::uint8_t>(t.tm_min)), + second(static_cast<std::uint8_t>(t.tm_sec)), + millisecond(0), microsecond(0), nanosecond(0) + {} + + template<typename Rep, typename Period> + explicit local_time(const std::chrono::duration<Rep, Period>& t) + { + const auto h = std::chrono::duration_cast<std::chrono::hours>(t); + this->hour = static_cast<std::uint8_t>(h.count()); + const auto t2 = t - h; + const auto m = std::chrono::duration_cast<std::chrono::minutes>(t2); + this->minute = static_cast<std::uint8_t>(m.count()); + const auto t3 = t2 - m; + const auto s = std::chrono::duration_cast<std::chrono::seconds>(t3); + this->second = static_cast<std::uint8_t>(s.count()); + const auto t4 = t3 - s; + const auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(t4); + this->millisecond = static_cast<std::uint16_t>(ms.count()); + const auto t5 = t4 - ms; + const auto us = std::chrono::duration_cast<std::chrono::microseconds>(t5); + this->microsecond = static_cast<std::uint16_t>(us.count()); + const auto t6 = t5 - us; + const auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(t6); + this->nanosecond = static_cast<std::uint16_t>(ns.count()); + } + + operator std::chrono::nanoseconds() const + { + return std::chrono::nanoseconds (this->nanosecond) + + std::chrono::microseconds(this->microsecond) + + std::chrono::milliseconds(this->millisecond) + + std::chrono::seconds(this->second) + + std::chrono::minutes(this->minute) + + std::chrono::hours(this->hour); + } + + local_time() = default; + ~local_time() = default; + local_time(local_time const&) = default; + local_time(local_time&&) = default; + local_time& operator=(local_time const&) = default; + local_time& operator=(local_time&&) = default; +}; + +inline bool operator==(const local_time& lhs, const local_time& rhs) +{ + return std::make_tuple(lhs.hour, lhs.minute, lhs.second, lhs.millisecond, lhs.microsecond, lhs.nanosecond) == + std::make_tuple(rhs.hour, rhs.minute, rhs.second, rhs.millisecond, rhs.microsecond, rhs.nanosecond); +} +inline bool operator!=(const local_time& lhs, const local_time& rhs) +{ + return !(lhs == rhs); +} +inline bool operator< (const local_time& lhs, const local_time& rhs) +{ + return std::make_tuple(lhs.hour, lhs.minute, lhs.second, lhs.millisecond, lhs.microsecond, lhs.nanosecond) < + std::make_tuple(rhs.hour, rhs.minute, rhs.second, rhs.millisecond, rhs.microsecond, rhs.nanosecond); +} +inline bool operator<=(const local_time& lhs, const local_time& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +inline bool operator> (const local_time& lhs, const local_time& rhs) +{ + return !(lhs <= rhs); +} +inline bool operator>=(const local_time& lhs, const local_time& rhs) +{ + return !(lhs < rhs); +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const local_time& time) +{ + os << std::setfill('0') << std::setw(2) << static_cast<int>(time.hour ) << ':'; + os << std::setfill('0') << std::setw(2) << static_cast<int>(time.minute) << ':'; + os << std::setfill('0') << std::setw(2) << static_cast<int>(time.second); + if(time.millisecond != 0 || time.microsecond != 0 || time.nanosecond != 0) + { + os << '.'; + os << std::setfill('0') << std::setw(3) << static_cast<int>(time.millisecond); + if(time.microsecond != 0 || time.nanosecond != 0) + { + os << std::setfill('0') << std::setw(3) << static_cast<int>(time.microsecond); + if(time.nanosecond != 0) + { + os << std::setfill('0') << std::setw(3) << static_cast<int>(time.nanosecond); + } + } + } + return os; +} + +struct time_offset +{ + std::int8_t hour{}; // [-12, 12] + std::int8_t minute{}; // [-59, 59] + + time_offset(int h, int m) + : hour (static_cast<std::int8_t>(h)), + minute(static_cast<std::int8_t>(m)) + {} + + operator std::chrono::minutes() const + { + return std::chrono::minutes(this->minute) + + std::chrono::hours(this->hour); + } + + time_offset() = default; + ~time_offset() = default; + time_offset(time_offset const&) = default; + time_offset(time_offset&&) = default; + time_offset& operator=(time_offset const&) = default; + time_offset& operator=(time_offset&&) = default; +}; + +inline bool operator==(const time_offset& lhs, const time_offset& rhs) +{ + return std::make_tuple(lhs.hour, lhs.minute) == + std::make_tuple(rhs.hour, rhs.minute); +} +inline bool operator!=(const time_offset& lhs, const time_offset& rhs) +{ + return !(lhs == rhs); +} +inline bool operator< (const time_offset& lhs, const time_offset& rhs) +{ + return std::make_tuple(lhs.hour, lhs.minute) < + std::make_tuple(rhs.hour, rhs.minute); +} +inline bool operator<=(const time_offset& lhs, const time_offset& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +inline bool operator> (const time_offset& lhs, const time_offset& rhs) +{ + return !(lhs <= rhs); +} +inline bool operator>=(const time_offset& lhs, const time_offset& rhs) +{ + return !(lhs < rhs); +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const time_offset& offset) +{ + if(offset.hour == 0 && offset.minute == 0) + { + os << 'Z'; + return os; + } + int minute = static_cast<int>(offset.hour) * 60 + offset.minute; + if(minute < 0){os << '-'; minute = std::abs(minute);} else {os << '+';} + os << std::setfill('0') << std::setw(2) << minute / 60 << ':'; + os << std::setfill('0') << std::setw(2) << minute % 60; + return os; +} + +struct local_datetime +{ + local_date date{}; + local_time time{}; + + local_datetime(local_date d, local_time t): date(d), time(t) {} + + explicit local_datetime(const std::tm& t): date(t), time(t){} + + explicit local_datetime(const std::chrono::system_clock::time_point& tp) + { + const auto t = std::chrono::system_clock::to_time_t(tp); + std::tm ltime = detail::localtime_s(&t); + + this->date = local_date(ltime); + this->time = local_time(ltime); + + // std::tm lacks subsecond information, so diff between tp and tm + // can be used to get millisecond & microsecond information. + const auto t_diff = tp - + std::chrono::system_clock::from_time_t(std::mktime(<ime)); + this->time.millisecond = static_cast<std::uint16_t>( + std::chrono::duration_cast<std::chrono::milliseconds>(t_diff).count()); + this->time.microsecond = static_cast<std::uint16_t>( + std::chrono::duration_cast<std::chrono::microseconds>(t_diff).count()); + this->time.nanosecond = static_cast<std::uint16_t>( + std::chrono::duration_cast<std::chrono::nanoseconds >(t_diff).count()); + } + + explicit local_datetime(const std::time_t t) + : local_datetime(std::chrono::system_clock::from_time_t(t)) + {} + + operator std::chrono::system_clock::time_point() const + { + using internal_duration = + typename std::chrono::system_clock::time_point::duration; + + // Normally DST begins at A.M. 3 or 4. If we re-use conversion operator + // of local_date and local_time independently, the conversion fails if + // it is the day when DST begins or ends. Since local_date considers the + // time is 00:00 A.M. and local_time does not consider DST because it + // does not have any date information. We need to consider both date and + // time information at the same time to convert it correctly. + + std::tm t; + t.tm_sec = static_cast<int>(this->time.second); + t.tm_min = static_cast<int>(this->time.minute); + t.tm_hour = static_cast<int>(this->time.hour); + t.tm_mday = static_cast<int>(this->date.day); + t.tm_mon = static_cast<int>(this->date.month); + t.tm_year = static_cast<int>(this->date.year) - 1900; + t.tm_wday = 0; // the value will be ignored + t.tm_yday = 0; // the value will be ignored + t.tm_isdst = -1; + + // std::mktime returns date as local time zone. no conversion needed + auto dt = std::chrono::system_clock::from_time_t(std::mktime(&t)); + dt += std::chrono::duration_cast<internal_duration>( + std::chrono::milliseconds(this->time.millisecond) + + std::chrono::microseconds(this->time.microsecond) + + std::chrono::nanoseconds (this->time.nanosecond)); + return dt; + } + + operator std::time_t() const + { + return std::chrono::system_clock::to_time_t( + std::chrono::system_clock::time_point(*this)); + } + + local_datetime() = default; + ~local_datetime() = default; + local_datetime(local_datetime const&) = default; + local_datetime(local_datetime&&) = default; + local_datetime& operator=(local_datetime const&) = default; + local_datetime& operator=(local_datetime&&) = default; +}; + +inline bool operator==(const local_datetime& lhs, const local_datetime& rhs) +{ + return std::make_tuple(lhs.date, lhs.time) == + std::make_tuple(rhs.date, rhs.time); +} +inline bool operator!=(const local_datetime& lhs, const local_datetime& rhs) +{ + return !(lhs == rhs); +} +inline bool operator< (const local_datetime& lhs, const local_datetime& rhs) +{ + return std::make_tuple(lhs.date, lhs.time) < + std::make_tuple(rhs.date, rhs.time); +} +inline bool operator<=(const local_datetime& lhs, const local_datetime& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +inline bool operator> (const local_datetime& lhs, const local_datetime& rhs) +{ + return !(lhs <= rhs); +} +inline bool operator>=(const local_datetime& lhs, const local_datetime& rhs) +{ + return !(lhs < rhs); +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const local_datetime& dt) +{ + os << dt.date << 'T' << dt.time; + return os; +} + +struct offset_datetime +{ + local_date date{}; + local_time time{}; + time_offset offset{}; + + offset_datetime(local_date d, local_time t, time_offset o) + : date(d), time(t), offset(o) + {} + offset_datetime(const local_datetime& dt, time_offset o) + : date(dt.date), time(dt.time), offset(o) + {} + explicit offset_datetime(const local_datetime& ld) + : date(ld.date), time(ld.time), offset(get_local_offset(nullptr)) + // use the current local timezone offset + {} + explicit offset_datetime(const std::chrono::system_clock::time_point& tp) + : offset(0, 0) // use gmtime + { + const auto timet = std::chrono::system_clock::to_time_t(tp); + const auto tm = detail::gmtime_s(&timet); + this->date = local_date(tm); + this->time = local_time(tm); + } + explicit offset_datetime(const std::time_t& t) + : offset(0, 0) // use gmtime + { + const auto tm = detail::gmtime_s(&t); + this->date = local_date(tm); + this->time = local_time(tm); + } + explicit offset_datetime(const std::tm& t) + : offset(0, 0) // assume gmtime + { + this->date = local_date(t); + this->time = local_time(t); + } + + operator std::chrono::system_clock::time_point() const + { + // get date-time + using internal_duration = + typename std::chrono::system_clock::time_point::duration; + + // first, convert it to local date-time information in the same way as + // local_datetime does. later we will use time_t to adjust time offset. + std::tm t; + t.tm_sec = static_cast<int>(this->time.second); + t.tm_min = static_cast<int>(this->time.minute); + t.tm_hour = static_cast<int>(this->time.hour); + t.tm_mday = static_cast<int>(this->date.day); + t.tm_mon = static_cast<int>(this->date.month); + t.tm_year = static_cast<int>(this->date.year) - 1900; + t.tm_wday = 0; // the value will be ignored + t.tm_yday = 0; // the value will be ignored + t.tm_isdst = -1; + const std::time_t tp_loc = std::mktime(std::addressof(t)); + + auto tp = std::chrono::system_clock::from_time_t(tp_loc); + tp += std::chrono::duration_cast<internal_duration>( + std::chrono::milliseconds(this->time.millisecond) + + std::chrono::microseconds(this->time.microsecond) + + std::chrono::nanoseconds (this->time.nanosecond)); + + // Since mktime uses local time zone, it should be corrected. + // `12:00:00+09:00` means `03:00:00Z`. So mktime returns `03:00:00Z` if + // we are in `+09:00` timezone. To represent `12:00:00Z` there, we need + // to add `+09:00` to `03:00:00Z`. + // Here, it uses the time_t converted from date-time info to handle + // daylight saving time. + const auto ofs = get_local_offset(std::addressof(tp_loc)); + tp += std::chrono::hours (ofs.hour); + tp += std::chrono::minutes(ofs.minute); + + // We got `12:00:00Z` by correcting local timezone applied by mktime. + // Then we will apply the offset. Let's say `12:00:00-08:00` is given. + // And now, we have `12:00:00Z`. `12:00:00-08:00` means `20:00:00Z`. + // So we need to subtract the offset. + tp -= std::chrono::minutes(this->offset); + return tp; + } + + operator std::time_t() const + { + return std::chrono::system_clock::to_time_t( + std::chrono::system_clock::time_point(*this)); + } + + offset_datetime() = default; + ~offset_datetime() = default; + offset_datetime(offset_datetime const&) = default; + offset_datetime(offset_datetime&&) = default; + offset_datetime& operator=(offset_datetime const&) = default; + offset_datetime& operator=(offset_datetime&&) = default; + + private: + + static time_offset get_local_offset(const std::time_t* tp) + { + // get local timezone with the same date-time information as mktime + const auto t = detail::localtime_s(tp); + + std::array<char, 6> buf; + const auto result = std::strftime(buf.data(), 6, "%z", &t); // +hhmm\0 + if(result != 5) + { + throw std::runtime_error("toml::offset_datetime: cannot obtain " + "timezone information of current env"); + } + const int ofs = std::atoi(buf.data()); + const int ofs_h = ofs / 100; + const int ofs_m = ofs - (ofs_h * 100); + return time_offset(ofs_h, ofs_m); + } +}; + +inline bool operator==(const offset_datetime& lhs, const offset_datetime& rhs) +{ + return std::make_tuple(lhs.date, lhs.time, lhs.offset) == + std::make_tuple(rhs.date, rhs.time, rhs.offset); +} +inline bool operator!=(const offset_datetime& lhs, const offset_datetime& rhs) +{ + return !(lhs == rhs); +} +inline bool operator< (const offset_datetime& lhs, const offset_datetime& rhs) +{ + return std::make_tuple(lhs.date, lhs.time, lhs.offset) < + std::make_tuple(rhs.date, rhs.time, rhs.offset); +} +inline bool operator<=(const offset_datetime& lhs, const offset_datetime& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +inline bool operator> (const offset_datetime& lhs, const offset_datetime& rhs) +{ + return !(lhs <= rhs); +} +inline bool operator>=(const offset_datetime& lhs, const offset_datetime& rhs) +{ + return !(lhs < rhs); +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const offset_datetime& dt) +{ + os << dt.date << 'T' << dt.time << dt.offset; + return os; +} + +}//toml +#endif// TOML11_DATETIME
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/exception.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,83 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_EXCEPTION_HPP +#define TOML11_EXCEPTION_HPP + +#include <array> +#include <string> +#include <stdexcept> + +#include <cstring> + +#include "source_location.hpp" + +namespace toml +{ + +struct file_io_error : public std::runtime_error +{ + public: + file_io_error(int errnum, const std::string& msg, const std::string& fname) + : std::runtime_error(msg + " \"" + fname + "\": errno = " + std::to_string(errnum)), + errno_(errnum) + {} + + int get_errno() const noexcept {return errno_;} + + private: + int errno_; +}; + +struct exception : public std::exception +{ + public: + explicit exception(const source_location& loc): loc_(loc) {} + virtual ~exception() noexcept override = default; + virtual const char* what() const noexcept override {return "";} + virtual source_location const& location() const noexcept {return loc_;} + + protected: + source_location loc_; +}; + +struct syntax_error : public toml::exception +{ + public: + explicit syntax_error(const std::string& what_arg, const source_location& loc) + : exception(loc), what_(what_arg) + {} + virtual ~syntax_error() noexcept override = default; + virtual const char* what() const noexcept override {return what_.c_str();} + + protected: + std::string what_; +}; + +struct type_error : public toml::exception +{ + public: + explicit type_error(const std::string& what_arg, const source_location& loc) + : exception(loc), what_(what_arg) + {} + virtual ~type_error() noexcept override = default; + virtual const char* what() const noexcept override {return what_.c_str();} + + protected: + std::string what_; +}; + +struct internal_error : public toml::exception +{ + public: + explicit internal_error(const std::string& what_arg, const source_location& loc) + : exception(loc), what_(what_arg) + {} + virtual ~internal_error() noexcept override = default; + virtual const char* what() const noexcept override {return what_.c_str();} + + protected: + std::string what_; +}; + +} // toml +#endif // TOML_EXCEPTION
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/from.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,19 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_FROM_HPP +#define TOML11_FROM_HPP + +namespace toml +{ + +template<typename T> +struct from; +// { +// static T from_toml(const toml::value& v) +// { +// // User-defined conversions ... +// } +// }; + +} // toml +#endif // TOML11_FROM_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/get.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,1154 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_GET_HPP +#define TOML11_GET_HPP +#include <algorithm> + +#include "from.hpp" +#include "result.hpp" +#include "value.hpp" + +namespace toml +{ + +// ============================================================================ +// exact toml::* type + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T> & +get(basic_value<C, M, V>& v) +{ + return v.template cast<detail::type_to_enum<T, basic_value<C, M, V>>::value>(); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T> const& +get(const basic_value<C, M, V>& v) +{ + return v.template cast<detail::type_to_enum<T, basic_value<C, M, V>>::value>(); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T> +get(basic_value<C, M, V>&& v) +{ + return T(std::move(v).template cast<detail::type_to_enum<T, basic_value<C, M, V>>::value>()); +} + +// ============================================================================ +// T == toml::value; identity transformation. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, basic_value<C, M, V>>::value, T>& +get(basic_value<C, M, V>& v) +{ + return v; +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, basic_value<C, M, V>>::value, T> const& +get(const basic_value<C, M, V>& v) +{ + return v; +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, basic_value<C, M, V>>::value, T> +get(basic_value<C, M, V>&& v) +{ + return basic_value<C, M, V>(std::move(v)); +} + +// ============================================================================ +// T == toml::basic_value<C2, M2, V2>; basic_value -> basic_value + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<detail::conjunction<detail::is_basic_value<T>, + detail::negation<std::is_same<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + return T(v); +} + +// ============================================================================ +// integer convertible from toml::Integer + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<detail::conjunction< + std::is_integral<T>, // T is integral + detail::negation<std::is_same<T, bool>>, // but not bool + detail::negation< // but not toml::integer + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + return static_cast<T>(v.as_integer()); +} + +// ============================================================================ +// floating point convertible from toml::Float + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<detail::conjunction< + std::is_floating_point<T>, // T is floating_point + detail::negation< // but not toml::floating + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + return static_cast<T>(v.as_floating()); +} + +// ============================================================================ +// std::string; toml uses its own toml::string, but it should be convertible to +// std::string seamlessly + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, std::string>::value, std::string>& +get(basic_value<C, M, V>& v) +{ + return v.as_string().str; +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, std::string>::value, std::string> const& +get(const basic_value<C, M, V>& v) +{ + return v.as_string().str; +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, std::string>::value, std::string> +get(basic_value<C, M, V>&& v) +{ + return std::string(std::move(v.as_string().str)); +} + +// ============================================================================ +// std::string_view + +#if defined(TOML11_USING_STRING_VIEW) && TOML11_USING_STRING_VIEW>0 +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<std::is_same<T, std::string_view>::value, std::string_view> +get(const basic_value<C, M, V>& v) +{ + return std::string_view(v.as_string().str); +} +#endif + +// ============================================================================ +// std::chrono::duration from toml::local_time. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t<detail::is_chrono_duration<T>::value, T> +get(const basic_value<C, M, V>& v) +{ + return std::chrono::duration_cast<T>( + std::chrono::nanoseconds(v.as_local_time())); +} + +// ============================================================================ +// std::chrono::system_clock::time_point from toml::datetime variants + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +inline detail::enable_if_t< + std::is_same<std::chrono::system_clock::time_point, T>::value, T> +get(const basic_value<C, M, V>& v) +{ + switch(v.type()) + { + case value_t::local_date: + { + return std::chrono::system_clock::time_point(v.as_local_date()); + } + case value_t::local_datetime: + { + return std::chrono::system_clock::time_point(v.as_local_datetime()); + } + case value_t::offset_datetime: + { + return std::chrono::system_clock::time_point(v.as_offset_datetime()); + } + default: + { + throw type_error(detail::format_underline("toml::value: " + "bad_cast to std::chrono::system_clock::time_point", { + {v.location(), concat_to_string("the actual type is ", v.type())} + }), v.location()); + } + } +} + +// ============================================================================ +// forward declaration to use this recursively. ignore this and go ahead. + +// array-like type with push_back(value) method +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_container<T>, // T is a container + detail::has_push_back_method<T>, // T::push_back(value) works + detail::negation< // but not toml::array + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>&); + +// array-like type without push_back(value) method +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_container<T>, // T is a container + detail::negation<detail::has_push_back_method<T>>, // w/o push_back(...) + detail::negation<detail::has_specialized_from<T>>, // T does not have special conversion + detail::negation< // not toml::array + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>&); + +// std::pair<T1, T2> +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_std_pair<T>::value, T> +get(const basic_value<C, M, V>&); + +// std::tuple<T1, T2, ...> +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_std_tuple<T>::value, T> +get(const basic_value<C, M, V>&); + +// map-like classes +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_map<T>, // T is map + detail::negation< // but not toml::table + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>&); + +// T.from_toml(v) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation< // not a toml::* type + detail::is_exact_toml_type<T, basic_value<C, M, V>>>, + detail::has_from_toml_method<T, C, M, V>, // but has from_toml(toml::value) + std::is_default_constructible<T> // and default constructible + >::value, T> +get(const basic_value<C, M, V>&); + +// toml::from<T>::from_toml(v) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::has_specialized_from<T>::value, T> +get(const basic_value<C, M, V>&); + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::has_specialized_from<T>::value, T> +get(basic_value<C, M, V>&); + +// T(const toml::value&) and T is not toml::basic_value, +// and it does not have `from<T>` nor `from_toml`. +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation<detail::is_basic_value<T>>, + std::is_constructible<T, const basic_value<C, M, V>&>, + detail::negation<detail::has_from_toml_method<T, C, M, V>>, + detail::negation<detail::has_specialized_from<T>> + >::value, T> +get(const basic_value<C, M, V>&); + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation<detail::is_basic_value<T>>, + std::is_constructible<T, basic_value<C, M, V>&>, + detail::negation<detail::has_from_toml_method<T, C, M, V>>, + detail::negation<detail::has_specialized_from<T>> + >::value, T> +get(basic_value<C, M, V>&); + +// ============================================================================ +// array-like types; most likely STL container, like std::vector, etc. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_container<T>, // T is a container + detail::has_push_back_method<T>, // container.push_back(elem) works + detail::negation< // but not toml::array + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + using value_type = typename T::value_type; + const auto& ary = v.as_array(); + + T container; + try_reserve(container, ary.size()); + + for(const auto& elem : ary) + { + container.push_back(get<value_type>(elem)); + } + return container; +} + +// ============================================================================ +// std::forward_list does not have push_back, insert, or emplace. +// It has insert_after, emplace_after, push_front. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_std_forward_list<T>::value, T> +get(const basic_value<C, M, V>& v) +{ + using value_type = typename T::value_type; + T container; + for(const auto& elem : v.as_array()) + { + container.push_front(get<value_type>(elem)); + } + container.reverse(); + return container; +} + +// ============================================================================ +// array-like types, without push_back(). most likely [std|boost]::array. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_container<T>, // T is a container + detail::negation<detail::has_push_back_method<T>>, // w/o push_back + detail::negation<detail::has_specialized_from<T>>, // T does not have special conversion + detail::negation< // T is not toml::array + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + using value_type = typename T::value_type; + const auto& ar = v.as_array(); + + T container; + if(ar.size() != container.size()) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "toml::get: specified container size is ", container.size(), + " but there are ", ar.size(), " elements in toml array."), { + {v.location(), "here"} + })); + } + for(std::size_t i=0; i<ar.size(); ++i) + { + container[i] = ::toml::get<value_type>(ar[i]); + } + return container; +} + +// ============================================================================ +// std::pair. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_std_pair<T>::value, T> +get(const basic_value<C, M, V>& v) +{ + using first_type = typename T::first_type; + using second_type = typename T::second_type; + + const auto& ar = v.as_array(); + if(ar.size() != 2) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "toml::get: specified std::pair but there are ", ar.size(), + " elements in toml array."), {{v.location(), "here"}})); + } + return std::make_pair(::toml::get<first_type >(ar.at(0)), + ::toml::get<second_type>(ar.at(1))); +} + +// ============================================================================ +// std::tuple. + +namespace detail +{ +template<typename T, typename Array, std::size_t ... I> +T get_tuple_impl(const Array& a, index_sequence<I...>) +{ + return std::make_tuple( + ::toml::get<typename std::tuple_element<I, T>::type>(a.at(I))...); +} +} // detail + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_std_tuple<T>::value, T> +get(const basic_value<C, M, V>& v) +{ + const auto& ar = v.as_array(); + if(ar.size() != std::tuple_size<T>::value) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "toml::get: specified std::tuple with ", + std::tuple_size<T>::value, " elements, but there are ", ar.size(), + " elements in toml array."), {{v.location(), "here"}})); + } + return detail::get_tuple_impl<T>(ar, + detail::make_index_sequence<std::tuple_size<T>::value>{}); +} + +// ============================================================================ +// map-like types; most likely STL map, like std::map or std::unordered_map. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::is_map<T>, // T is map + detail::negation< // but not toml::array + detail::is_exact_toml_type<T, basic_value<C, M, V>>> + >::value, T> +get(const basic_value<C, M, V>& v) +{ + using key_type = typename T::key_type; + using mapped_type = typename T::mapped_type; + static_assert(std::is_convertible<std::string, key_type>::value, + "toml::get only supports map type of which key_type is " + "convertible from std::string."); + T map; + for(const auto& kv : v.as_table()) + { + map.emplace(key_type(kv.first), get<mapped_type>(kv.second)); + } + return map; +} + +// ============================================================================ +// user-defined, but compatible types. + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation< // not a toml::* type + detail::is_exact_toml_type<T, basic_value<C, M, V>>>, + detail::has_from_toml_method<T, C, M, V>, // but has from_toml(toml::value) memfn + std::is_default_constructible<T> // and default constructible + >::value, T> +get(const basic_value<C, M, V>& v) +{ + T ud; + ud.from_toml(v); + return ud; +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::has_specialized_from<T>::value, T> +get(const basic_value<C, M, V>& v) +{ + return ::toml::from<T>::from_toml(v); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::has_specialized_from<T>::value, T> +get(basic_value<C, M, V>& v) +{ + return ::toml::from<T>::from_toml(v); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation<detail::is_basic_value<T>>, // T is not a toml::value + std::is_constructible<T, const basic_value<C, M, V>&>, // T is constructible from toml::value + detail::negation<detail::has_from_toml_method<T, C, M, V>>, // and T does not have T.from_toml(v); + detail::negation<detail::has_specialized_from<T>> // and T does not have toml::from<T>{}; + >::value, T> +get(const basic_value<C, M, V>& v) +{ + return T(v); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation<detail::is_basic_value<T>>, // T is not a toml::value + std::is_constructible<T, basic_value<C, M, V>&>, // T is constructible from toml::value + detail::negation<detail::has_from_toml_method<T, C, M, V>>, // and T does not have T.from_toml(v); + detail::negation<detail::has_specialized_from<T>> // and T does not have toml::from<T>{}; + >::value, T> +get(basic_value<C, M, V>& v) +{ + return T(v); +} + +// ============================================================================ +// find + +// ---------------------------------------------------------------------------- +// these overloads do not require to set T. and returns value itself. +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> const& find(const basic_value<C, M, V>& v, const key& ky) +{ + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return tab.at(ky); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V>& find(basic_value<C, M, V>& v, const key& ky) +{ + auto& tab = v.as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return tab.at(ky); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> find(basic_value<C, M, V>&& v, const key& ky) +{ + typename basic_value<C, M, V>::table_type tab = std::move(v).as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return basic_value<C, M, V>(std::move(tab.at(ky))); +} + +// ---------------------------------------------------------------------------- +// find(value, idx) +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> const& +find(const basic_value<C, M, V>& v, const std::size_t idx) +{ + const auto& ary = v.as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return ary.at(idx); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V>& find(basic_value<C, M, V>& v, const std::size_t idx) +{ + auto& ary = v.as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return ary.at(idx); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> find(basic_value<C, M, V>&& v, const std::size_t idx) +{ + auto& ary = v.as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return basic_value<C, M, V>(std::move(ary.at(idx))); +} + +// ---------------------------------------------------------------------------- +// find<T>(value, key); + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V> const&>())) +find(const basic_value<C, M, V>& v, const key& ky) +{ + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return ::toml::get<T>(tab.at(ky)); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&>())) +find(basic_value<C, M, V>& v, const key& ky) +{ + auto& tab = v.as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return ::toml::get<T>(tab.at(ky)); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&&>())) +find(basic_value<C, M, V>&& v, const key& ky) +{ + typename basic_value<C, M, V>::table_type tab = std::move(v).as_table(); + if(tab.count(ky) == 0) + { + detail::throw_key_not_found_error(v, ky); + } + return ::toml::get<T>(std::move(tab.at(ky))); +} + +// ---------------------------------------------------------------------------- +// find<T>(value, idx) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V> const&>())) +find(const basic_value<C, M, V>& v, const std::size_t idx) +{ + const auto& ary = v.as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return ::toml::get<T>(ary.at(idx)); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&>())) +find(basic_value<C, M, V>& v, const std::size_t idx) +{ + auto& ary = v.as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return ::toml::get<T>(ary.at(idx)); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&&>())) +find(basic_value<C, M, V>&& v, const std::size_t idx) +{ + typename basic_value<C, M, V>::array_type ary = std::move(v).as_array(); + if(ary.size() <= idx) + { + throw std::out_of_range(detail::format_underline(concat_to_string( + "index ", idx, " is out of range"), {{v.location(), "in this array"}})); + } + return ::toml::get<T>(std::move(ary.at(idx))); +} + +// -------------------------------------------------------------------------- +// toml::find(toml::value, toml::key, Ts&& ... keys) + +namespace detail +{ +// It suppresses warnings by -Wsign-conversion. Let's say we have the following +// code. +// ```cpp +// const auto x = toml::find<std::string>(data, "array", 0); +// ``` +// Here, the type of literal number `0` is `int`. `int` is a signed integer. +// `toml::find` takes `std::size_t` as an index. So it causes implicit sign +// conversion and `-Wsign-conversion` warns about it. Using `0u` instead of `0` +// suppresses the warning, but it makes user code messy. +// To suppress this warning, we need to be aware of type conversion caused +// by `toml::find(v, key1, key2, ... keys)`. But the thing is that the types of +// keys can be any combination of {string-like, size_t-like}. Of course we can't +// write down all the combinations. Thus we need to use some function that +// recognize the type of argument and cast it into `std::string` or +// `std::size_t` depending on the context. +// `key_cast` does the job. It has 2 overloads. One is invoked when the +// argument type is an integer and cast the argument into `std::size_t`. The +// other is invoked when the argument type is not an integer, possibly one of +// std::string, const char[N] or const char*, and construct std::string from +// the argument. +// `toml::find(v, k1, k2, ... ks)` uses `key_cast` before passing `ks` to +// `toml::find(v, k)` to suppress -Wsign-conversion. + +template<typename T> +enable_if_t<conjunction<std::is_integral<remove_cvref_t<T>>, + negation<std::is_same<remove_cvref_t<T>, bool>>>::value, std::size_t> +key_cast(T&& v) noexcept +{ + return std::size_t(v); +} +template<typename T> +enable_if_t<negation<conjunction<std::is_integral<remove_cvref_t<T>>, + negation<std::is_same<remove_cvref_t<T>, bool>>>>::value, std::string> +key_cast(T&& v) noexcept +{ + return std::string(std::forward<T>(v)); +} +} // detail + +template<typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +const basic_value<C, M, V>& +find(const basic_value<C, M, V>& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find(::toml::find(v, detail::key_cast(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +basic_value<C, M, V>& +find(basic_value<C, M, V>& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find(::toml::find(v, detail::key_cast(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} +template<typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +basic_value<C, M, V> +find(basic_value<C, M, V>&& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find(::toml::find(std::move(v), std::forward<Key1>(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +decltype(::toml::get<T>(std::declval<const basic_value<C, M, V>&>())) +find(const basic_value<C, M, V>& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find<T>(::toml::find(v, detail::key_cast(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&>())) +find(basic_value<C, M, V>& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find<T>(::toml::find(v, detail::key_cast(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V, + typename Key1, typename Key2, typename ... Keys> +decltype(::toml::get<T>(std::declval<basic_value<C, M, V>&&>())) +find(basic_value<C, M, V>&& v, Key1&& k1, Key2&& k2, Keys&& ... keys) +{ + return ::toml::find<T>(::toml::find(std::move(v), detail::key_cast(k1)), + detail::key_cast(k2), std::forward<Keys>(keys)...); +} + +// ============================================================================ +// get_or(value, fallback) + +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> const& +get_or(const basic_value<C, M, V>& v, const basic_value<C, M, V>&) +{ + return v; +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V>& +get_or(basic_value<C, M, V>& v, basic_value<C, M, V>&) +{ + return v; +} +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> +get_or(basic_value<C, M, V>&& v, basic_value<C, M, V>&&) +{ + return v; +} + +// ---------------------------------------------------------------------------- +// specialization for the exact toml types (return type becomes lvalue ref) + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T> const& +get_or(const basic_value<C, M, V>& v, const T& opt) +{ + try + { + return get<detail::remove_cvref_t<T>>(v); + } + catch(...) + { + return opt; + } +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T>& +get_or(basic_value<C, M, V>& v, T& opt) +{ + try + { + return get<detail::remove_cvref_t<T>>(v); + } + catch(...) + { + return opt; + } +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_exact_toml_type<detail::remove_cvref_t<T>, + basic_value<C, M, V>>::value, detail::remove_cvref_t<T>> +get_or(basic_value<C, M, V>&& v, T&& opt) +{ + try + { + return get<detail::remove_cvref_t<T>>(std::move(v)); + } + catch(...) + { + return detail::remove_cvref_t<T>(std::forward<T>(opt)); + } +} + +// ---------------------------------------------------------------------------- +// specialization for std::string (return type becomes lvalue ref) + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<std::is_same<detail::remove_cvref_t<T>, std::string>::value, + std::string> const& +get_or(const basic_value<C, M, V>& v, const T& opt) +{ + try + { + return v.as_string().str; + } + catch(...) + { + return opt; + } +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<std::is_same<T, std::string>::value, std::string>& +get_or(basic_value<C, M, V>& v, T& opt) +{ + try + { + return v.as_string().str; + } + catch(...) + { + return opt; + } +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + std::is_same<detail::remove_cvref_t<T>, std::string>::value, std::string> +get_or(basic_value<C, M, V>&& v, T&& opt) +{ + try + { + return std::move(v.as_string().str); + } + catch(...) + { + return std::string(std::forward<T>(opt)); + } +} + +// ---------------------------------------------------------------------------- +// specialization for string literal + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::is_string_literal< + typename std::remove_reference<T>::type>::value, std::string> +get_or(const basic_value<C, M, V>& v, T&& opt) +{ + try + { + return std::move(v.as_string().str); + } + catch(...) + { + return std::string(std::forward<T>(opt)); + } +} + +// ---------------------------------------------------------------------------- +// others (require type conversion and return type cannot be lvalue reference) + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + detail::negation<detail::is_exact_toml_type<detail::remove_cvref_t<T>, + basic_value<C, M, V>>>, + detail::negation<std::is_same<std::string, detail::remove_cvref_t<T>>>, + detail::negation<detail::is_string_literal< + typename std::remove_reference<T>::type>> + >::value, detail::remove_cvref_t<T>> +get_or(const basic_value<C, M, V>& v, T&& opt) +{ + try + { + return get<detail::remove_cvref_t<T>>(v); + } + catch(...) + { + return detail::remove_cvref_t<T>(std::forward<T>(opt)); + } +} + +// =========================================================================== +// find_or(value, key, fallback) + +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> const& +find_or(const basic_value<C, M, V>& v, const key& ky, + const basic_value<C, M, V>& opt) +{ + if(!v.is_table()) {return opt;} + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return tab.at(ky); +} + +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V>& +find_or(basic_value<C, M, V>& v, const toml::key& ky, basic_value<C, M, V>& opt) +{ + if(!v.is_table()) {return opt;} + auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return tab.at(ky); +} + +template<typename C, + template<typename ...> class M, template<typename ...> class V> +basic_value<C, M, V> +find_or(basic_value<C, M, V>&& v, const toml::key& ky, basic_value<C, M, V>&& opt) +{ + if(!v.is_table()) {return opt;} + auto tab = std::move(v).as_table(); + if(tab.count(ky) == 0) {return opt;} + return basic_value<C, M, V>(std::move(tab.at(ky))); +} + +// --------------------------------------------------------------------------- +// exact types (return type can be a reference) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T> const& +find_or(const basic_value<C, M, V>& v, const key& ky, const T& opt) +{ + if(!v.is_table()) {return opt;} + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return get_or(tab.at(ky), opt); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, T>& +find_or(basic_value<C, M, V>& v, const toml::key& ky, T& opt) +{ + if(!v.is_table()) {return opt;} + auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return get_or(tab.at(ky), opt); +} + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_exact_toml_type<T, basic_value<C, M, V>>::value, + detail::remove_cvref_t<T>> +find_or(basic_value<C, M, V>&& v, const toml::key& ky, T&& opt) +{ + if(!v.is_table()) {return std::forward<T>(opt);} + auto tab = std::move(v).as_table(); + if(tab.count(ky) == 0) {return std::forward<T>(opt);} + return get_or(std::move(tab.at(ky)), std::forward<T>(opt)); +} + +// --------------------------------------------------------------------------- +// std::string (return type can be a reference) + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<std::is_same<T, std::string>::value, std::string> const& +find_or(const basic_value<C, M, V>& v, const key& ky, const T& opt) +{ + if(!v.is_table()) {return opt;} + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return get_or(tab.at(ky), opt); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<std::is_same<T, std::string>::value, std::string>& +find_or(basic_value<C, M, V>& v, const toml::key& ky, T& opt) +{ + if(!v.is_table()) {return opt;} + auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return opt;} + return get_or(tab.at(ky), opt); +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<std::is_same<T, std::string>::value, std::string> +find_or(basic_value<C, M, V>&& v, const toml::key& ky, T&& opt) +{ + if(!v.is_table()) {return std::forward<T>(opt);} + auto tab = std::move(v).as_table(); + if(tab.count(ky) == 0) {return std::forward<T>(opt);} + return get_or(std::move(tab.at(ky)), std::forward<T>(opt)); +} + +// --------------------------------------------------------------------------- +// string literal (deduced as std::string) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t< + detail::is_string_literal<typename std::remove_reference<T>::type>::value, + std::string> +find_or(const basic_value<C, M, V>& v, const toml::key& ky, T&& opt) +{ + if(!v.is_table()) {return std::string(opt);} + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return std::string(opt);} + return get_or(tab.at(ky), std::forward<T>(opt)); +} + +// --------------------------------------------------------------------------- +// others (require type conversion and return type cannot be lvalue reference) +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +detail::enable_if_t<detail::conjunction< + // T is not an exact toml type + detail::negation<detail::is_exact_toml_type< + detail::remove_cvref_t<T>, basic_value<C, M, V>>>, + // T is not std::string + detail::negation<std::is_same<std::string, detail::remove_cvref_t<T>>>, + // T is not a string literal + detail::negation<detail::is_string_literal< + typename std::remove_reference<T>::type>> + >::value, detail::remove_cvref_t<T>> +find_or(const basic_value<C, M, V>& v, const toml::key& ky, T&& opt) +{ + if(!v.is_table()) {return std::forward<T>(opt);} + const auto& tab = v.as_table(); + if(tab.count(ky) == 0) {return std::forward<T>(opt);} + return get_or(tab.at(ky), std::forward<T>(opt)); +} + +// --------------------------------------------------------------------------- +// recursive find-or with type deduction (find_or(value, keys, opt)) + +template<typename Value, typename ... Ks, + typename detail::enable_if_t<(sizeof...(Ks) > 1), std::nullptr_t> = nullptr> + // here we need to add SFINAE in the template parameter to avoid + // infinite recursion in type deduction on gcc +auto find_or(Value&& v, const toml::key& ky, Ks&& ... keys) + -> decltype(find_or(std::forward<Value>(v), ky, detail::last_one(std::forward<Ks>(keys)...))) +{ + if(!v.is_table()) + { + return detail::last_one(std::forward<Ks>(keys)...); + } + auto&& tab = std::forward<Value>(v).as_table(); + if(tab.count(ky) == 0) + { + return detail::last_one(std::forward<Ks>(keys)...); + } + return find_or(std::forward<decltype(tab)>(tab).at(ky), std::forward<Ks>(keys)...); +} + +// --------------------------------------------------------------------------- +// recursive find_or with explicit type specialization, find_or<int>(value, keys...) + +template<typename T, typename Value, typename ... Ks, + typename detail::enable_if_t<(sizeof...(Ks) > 1), std::nullptr_t> = nullptr> + // here we need to add SFINAE in the template parameter to avoid + // infinite recursion in type deduction on gcc +auto find_or(Value&& v, const toml::key& ky, Ks&& ... keys) + -> decltype(find_or<T>(std::forward<Value>(v), ky, detail::last_one(std::forward<Ks>(keys)...))) +{ + if(!v.is_table()) + { + return detail::last_one(std::forward<Ks>(keys)...); + } + auto&& tab = std::forward<Value>(v).as_table(); + if(tab.count(ky) == 0) + { + return detail::last_one(std::forward<Ks>(keys)...); + } + return find_or(std::forward<decltype(tab)>(tab).at(ky), std::forward<Ks>(keys)...); +} + +// ============================================================================ +// expect + +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +result<T, std::string> expect(const basic_value<C, M, V>& v) noexcept +{ + try + { + return ok(get<T>(v)); + } + catch(const std::exception& e) + { + return err(e.what()); + } +} +template<typename T, typename C, + template<typename ...> class M, template<typename ...> class V> +result<T, std::string> +expect(const basic_value<C, M, V>& v, const toml::key& k) noexcept +{ + try + { + return ok(find<T>(v, k)); + } + catch(const std::exception& e) + { + return err(e.what()); + } +} + +} // toml +#endif// TOML11_GET
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/into.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,19 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_INTO_HPP +#define TOML11_INTO_HPP + +namespace toml +{ + +template<typename T> +struct into; +// { +// static toml::value into_toml(const T& user_defined_type) +// { +// // User-defined conversions ... +// } +// }; + +} // toml +#endif // TOML11_INTO_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/lexer.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,294 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_LEXER_HPP +#define TOML11_LEXER_HPP +#include <istream> +#include <sstream> +#include <stdexcept> + +#include "combinator.hpp" + +namespace toml +{ +namespace detail +{ + +// these scans contents from current location in a container of char +// and extract a region that matches their own pattern. +// to see the implementation of each component, see combinator.hpp. + +using lex_wschar = either<character<' '>, character<'\t'>>; +using lex_ws = repeat<lex_wschar, at_least<1>>; +using lex_newline = either<character<'\n'>, + sequence<character<'\r'>, character<'\n'>>>; +using lex_lower = in_range<'a', 'z'>; +using lex_upper = in_range<'A', 'Z'>; +using lex_alpha = either<lex_lower, lex_upper>; +using lex_digit = in_range<'0', '9'>; +using lex_nonzero = in_range<'1', '9'>; +using lex_oct_dig = in_range<'0', '7'>; +using lex_bin_dig = in_range<'0', '1'>; +using lex_hex_dig = either<lex_digit, in_range<'A', 'F'>, in_range<'a', 'f'>>; + +using lex_hex_prefix = sequence<character<'0'>, character<'x'>>; +using lex_oct_prefix = sequence<character<'0'>, character<'o'>>; +using lex_bin_prefix = sequence<character<'0'>, character<'b'>>; +using lex_underscore = character<'_'>; +using lex_plus = character<'+'>; +using lex_minus = character<'-'>; +using lex_sign = either<lex_plus, lex_minus>; + +// digit | nonzero 1*(digit | _ digit) +using lex_unsigned_dec_int = either<sequence<lex_nonzero, repeat< + either<lex_digit, sequence<lex_underscore, lex_digit>>, at_least<1>>>, + lex_digit>; +// (+|-)? unsigned_dec_int +using lex_dec_int = sequence<maybe<lex_sign>, lex_unsigned_dec_int>; + +// hex_prefix hex_dig *(hex_dig | _ hex_dig) +using lex_hex_int = sequence<lex_hex_prefix, sequence<lex_hex_dig, repeat< + either<lex_hex_dig, sequence<lex_underscore, lex_hex_dig>>, unlimited>>>; +// oct_prefix oct_dig *(oct_dig | _ oct_dig) +using lex_oct_int = sequence<lex_oct_prefix, sequence<lex_oct_dig, repeat< + either<lex_oct_dig, sequence<lex_underscore, lex_oct_dig>>, unlimited>>>; +// bin_prefix bin_dig *(bin_dig | _ bin_dig) +using lex_bin_int = sequence<lex_bin_prefix, sequence<lex_bin_dig, repeat< + either<lex_bin_dig, sequence<lex_underscore, lex_bin_dig>>, unlimited>>>; + +// (dec_int | hex_int | oct_int | bin_int) +using lex_integer = either<lex_bin_int, lex_oct_int, lex_hex_int, lex_dec_int>; + +// =========================================================================== + +using lex_inf = sequence<character<'i'>, character<'n'>, character<'f'>>; +using lex_nan = sequence<character<'n'>, character<'a'>, character<'n'>>; +using lex_special_float = sequence<maybe<lex_sign>, either<lex_inf, lex_nan>>; + +using lex_zero_prefixable_int = sequence<lex_digit, repeat<either<lex_digit, + sequence<lex_underscore, lex_digit>>, unlimited>>; + +using lex_fractional_part = sequence<character<'.'>, lex_zero_prefixable_int>; + +using lex_exponent_part = sequence<either<character<'e'>, character<'E'>>, + maybe<lex_sign>, lex_zero_prefixable_int>; + +using lex_float = either<lex_special_float, + sequence<lex_dec_int, either<lex_exponent_part, + sequence<lex_fractional_part, maybe<lex_exponent_part>>>>>; + +// =========================================================================== + +using lex_true = sequence<character<'t'>, character<'r'>, + character<'u'>, character<'e'>>; +using lex_false = sequence<character<'f'>, character<'a'>, character<'l'>, + character<'s'>, character<'e'>>; +using lex_boolean = either<lex_true, lex_false>; + +// =========================================================================== + +using lex_date_fullyear = repeat<lex_digit, exactly<4>>; +using lex_date_month = repeat<lex_digit, exactly<2>>; +using lex_date_mday = repeat<lex_digit, exactly<2>>; +using lex_time_delim = either<character<'T'>, character<'t'>, character<' '>>; +using lex_time_hour = repeat<lex_digit, exactly<2>>; +using lex_time_minute = repeat<lex_digit, exactly<2>>; +using lex_time_second = repeat<lex_digit, exactly<2>>; +using lex_time_secfrac = sequence<character<'.'>, + repeat<lex_digit, at_least<1>>>; + +using lex_time_numoffset = sequence<either<character<'+'>, character<'-'>>, + sequence<lex_time_hour, character<':'>, + lex_time_minute>>; +using lex_time_offset = either<character<'Z'>, character<'z'>, + lex_time_numoffset>; + +using lex_partial_time = sequence<lex_time_hour, character<':'>, + lex_time_minute, character<':'>, + lex_time_second, maybe<lex_time_secfrac>>; +using lex_full_date = sequence<lex_date_fullyear, character<'-'>, + lex_date_month, character<'-'>, + lex_date_mday>; +using lex_full_time = sequence<lex_partial_time, lex_time_offset>; + +using lex_offset_date_time = sequence<lex_full_date, lex_time_delim, lex_full_time>; +using lex_local_date_time = sequence<lex_full_date, lex_time_delim, lex_partial_time>; +using lex_local_date = lex_full_date; +using lex_local_time = lex_partial_time; + +// =========================================================================== + +using lex_quotation_mark = character<'"'>; +using lex_basic_unescaped = exclude<either<in_range<0x00, 0x08>, // 0x09 (tab) is allowed + in_range<0x0A, 0x1F>, + character<0x22>, character<0x5C>, + character<0x7F>>>; + +using lex_escape = character<'\\'>; +using lex_escape_unicode_short = sequence<character<'u'>, + repeat<lex_hex_dig, exactly<4>>>; +using lex_escape_unicode_long = sequence<character<'U'>, + repeat<lex_hex_dig, exactly<8>>>; +using lex_escape_seq_char = either<character<'"'>, character<'\\'>, + character<'b'>, character<'f'>, + character<'n'>, character<'r'>, + character<'t'>, +#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES + character<'e'>, // ESC (0x1B) +#endif + lex_escape_unicode_short, + lex_escape_unicode_long + >; +using lex_escaped = sequence<lex_escape, lex_escape_seq_char>; +using lex_basic_char = either<lex_basic_unescaped, lex_escaped>; +using lex_basic_string = sequence<lex_quotation_mark, + repeat<lex_basic_char, unlimited>, + lex_quotation_mark>; + +// After toml post-v0.5.0, it is explicitly clarified how quotes in ml-strings +// are allowed to be used. +// After this, the following strings are *explicitly* allowed. +// - One or two `"`s in a multi-line basic string is allowed wherever it is. +// - Three consecutive `"`s in a multi-line basic string is considered as a delimiter. +// - One or two `"`s can appear just before or after the delimiter. +// ```toml +// str4 = """Here are two quotation marks: "". Simple enough.""" +// str5 = """Here are three quotation marks: ""\".""" +// str6 = """Here are fifteen quotation marks: ""\"""\"""\"""\"""\".""" +// str7 = """"This," she said, "is just a pointless statement."""" +// ``` +// In the current implementation (v3.3.0), it is difficult to parse `str7` in +// the above example. It is difficult to recognize `"` at the end of string body +// collectly. It will be misunderstood as a `"""` delimiter and an additional, +// invalid `"`. Like this: +// ```console +// what(): [error] toml::parse_table: invalid line format +// --> hoge.toml +// | +// 13 | str7 = """"This," she said, "is just a pointless statement."""" +// | ^- expected newline, but got '"'. +// ``` +// As a quick workaround for this problem, `lex_ml_basic_string_delim` was +// split into two, `lex_ml_basic_string_open` and `lex_ml_basic_string_close`. +// `lex_ml_basic_string_open` allows only `"""`. `_close` allows 3-5 `"`s. +// In parse_ml_basic_string() function, the trailing `"`s will be attached to +// the string body. +// +using lex_ml_basic_string_delim = repeat<lex_quotation_mark, exactly<3>>; +using lex_ml_basic_string_open = lex_ml_basic_string_delim; +using lex_ml_basic_string_close = sequence< + repeat<lex_quotation_mark, exactly<3>>, + maybe<lex_quotation_mark>, maybe<lex_quotation_mark> + >; + +using lex_ml_basic_unescaped = exclude<either<in_range<0x00, 0x08>, // 0x09 is tab + in_range<0x0A, 0x1F>, + character<0x5C>, // backslash + character<0x7F>, // DEL + lex_ml_basic_string_delim>>; + +using lex_ml_basic_escaped_newline = sequence< + lex_escape, maybe<lex_ws>, lex_newline, + repeat<either<lex_ws, lex_newline>, unlimited>>; + +using lex_ml_basic_char = either<lex_ml_basic_unescaped, lex_escaped>; +using lex_ml_basic_body = repeat<either<lex_ml_basic_char, lex_newline, + lex_ml_basic_escaped_newline>, + unlimited>; +using lex_ml_basic_string = sequence<lex_ml_basic_string_open, + lex_ml_basic_body, + lex_ml_basic_string_close>; + +using lex_literal_char = exclude<either<in_range<0x00, 0x08>, in_range<0x0A, 0x1F>, + character<0x7F>, character<0x27>>>; +using lex_apostrophe = character<'\''>; +using lex_literal_string = sequence<lex_apostrophe, + repeat<lex_literal_char, unlimited>, + lex_apostrophe>; + +// the same reason as above. +using lex_ml_literal_string_delim = repeat<lex_apostrophe, exactly<3>>; +using lex_ml_literal_string_open = lex_ml_literal_string_delim; +using lex_ml_literal_string_close = sequence< + repeat<lex_apostrophe, exactly<3>>, + maybe<lex_apostrophe>, maybe<lex_apostrophe> + >; + +using lex_ml_literal_char = exclude<either<in_range<0x00, 0x08>, + in_range<0x0A, 0x1F>, + character<0x7F>, + lex_ml_literal_string_delim>>; +using lex_ml_literal_body = repeat<either<lex_ml_literal_char, lex_newline>, + unlimited>; +using lex_ml_literal_string = sequence<lex_ml_literal_string_open, + lex_ml_literal_body, + lex_ml_literal_string_close>; + +using lex_string = either<lex_ml_basic_string, lex_basic_string, + lex_ml_literal_string, lex_literal_string>; + +// =========================================================================== +using lex_dot_sep = sequence<maybe<lex_ws>, character<'.'>, maybe<lex_ws>>; + +using lex_unquoted_key = repeat<either<lex_alpha, lex_digit, + character<'-'>, character<'_'>>, + at_least<1>>; +using lex_quoted_key = either<lex_basic_string, lex_literal_string>; +using lex_simple_key = either<lex_unquoted_key, lex_quoted_key>; +using lex_dotted_key = sequence<lex_simple_key, + repeat<sequence<lex_dot_sep, lex_simple_key>, + at_least<1> + > + >; +using lex_key = either<lex_dotted_key, lex_simple_key>; + +using lex_keyval_sep = sequence<maybe<lex_ws>, + character<'='>, + maybe<lex_ws>>; + +using lex_std_table_open = character<'['>; +using lex_std_table_close = character<']'>; +using lex_std_table = sequence<lex_std_table_open, + maybe<lex_ws>, + lex_key, + maybe<lex_ws>, + lex_std_table_close>; + +using lex_array_table_open = sequence<lex_std_table_open, lex_std_table_open>; +using lex_array_table_close = sequence<lex_std_table_close, lex_std_table_close>; +using lex_array_table = sequence<lex_array_table_open, + maybe<lex_ws>, + lex_key, + maybe<lex_ws>, + lex_array_table_close>; + +using lex_utf8_1byte = in_range<0x00, 0x7F>; +using lex_utf8_2byte = sequence< + in_range<'\xC2', '\xDF'>, + in_range<'\x80', '\xBF'> + >; +using lex_utf8_3byte = sequence<either< + sequence<character<'\xE0'>, in_range<'\xA0', '\xBF'>>, + sequence<in_range<'\xE1', '\xEC'>, in_range<'\x80', '\xBF'>>, + sequence<character<'\xED'>, in_range<'\x80', '\x9F'>>, + sequence<in_range<'\xEE', '\xEF'>, in_range<'\x80', '\xBF'>> + >, in_range<'\x80', '\xBF'>>; +using lex_utf8_4byte = sequence<either< + sequence<character<'\xF0'>, in_range<'\x90', '\xBF'>>, + sequence<in_range<'\xF1', '\xF3'>, in_range<'\x80', '\xBF'>>, + sequence<character<'\xF4'>, in_range<'\x80', '\x8F'>> + >, in_range<'\x80', '\xBF'>, in_range<'\x80', '\xBF'>>; +using lex_utf8_code = either< + lex_utf8_1byte, + lex_utf8_2byte, + lex_utf8_3byte, + lex_utf8_4byte + >; + +using lex_comment_start_symbol = character<'#'>; +using lex_non_eol_ascii = either<character<0x09>, in_range<0x20, 0x7E>>; +using lex_comment = sequence<lex_comment_start_symbol, repeat<either< + lex_non_eol_ascii, lex_utf8_2byte, lex_utf8_3byte, lex_utf8_4byte>, unlimited>>; + +} // detail +} // toml +#endif // TOML_LEXER_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/literal.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,113 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_LITERAL_HPP +#define TOML11_LITERAL_HPP +#include "parser.hpp" + +namespace toml +{ +inline namespace literals +{ +inline namespace toml_literals +{ + +// implementation +inline ::toml::basic_value<TOML11_DEFAULT_COMMENT_STRATEGY, std::unordered_map, std::vector> +literal_internal_impl(::toml::detail::location loc) +{ + using value_type = ::toml::basic_value< + TOML11_DEFAULT_COMMENT_STRATEGY, std::unordered_map, std::vector>; + // if there are some comments or empty lines, skip them. + using skip_line = ::toml::detail::repeat<toml::detail::sequence< + ::toml::detail::maybe<::toml::detail::lex_ws>, + ::toml::detail::maybe<::toml::detail::lex_comment>, + ::toml::detail::lex_newline + >, ::toml::detail::at_least<1>>; + skip_line::invoke(loc); + + // if there are some whitespaces before a value, skip them. + using skip_ws = ::toml::detail::repeat< + ::toml::detail::lex_ws, ::toml::detail::at_least<1>>; + skip_ws::invoke(loc); + + // to distinguish arrays and tables, first check it is a table or not. + // + // "[1,2,3]"_toml; // this is an array + // "[table]"_toml; // a table that has an empty table named "table" inside. + // "[[1,2,3]]"_toml; // this is an array of arrays + // "[[table]]"_toml; // this is a table that has an array of tables inside. + // + // "[[1]]"_toml; // this can be both... (currently it becomes a table) + // "1 = [{}]"_toml; // this is a table that has an array of table named 1. + // "[[1,]]"_toml; // this is an array of arrays. + // "[[1],]"_toml; // this also. + + const auto the_front = loc.iter(); + + const bool is_table_key = ::toml::detail::lex_std_table::invoke(loc); + loc.reset(the_front); + + const bool is_aots_key = ::toml::detail::lex_array_table::invoke(loc); + loc.reset(the_front); + + // If it is neither a table-key or a array-of-table-key, it may be a value. + if(!is_table_key && !is_aots_key) + { + if(auto data = ::toml::detail::parse_value<value_type>(loc, 0)) + { + return data.unwrap(); + } + } + + // Note that still it can be a table, because the literal might be something + // like the following. + // ```cpp + // R"( // c++11 raw string literals + // key = "value" + // int = 42 + // )"_toml; + // ``` + // It is a valid toml file. + // It should be parsed as if we parse a file with this content. + + if(auto data = ::toml::detail::parse_toml_file<value_type>(loc)) + { + return data.unwrap(); + } + else // none of them. + { + throw ::toml::syntax_error(data.unwrap_err(), source_location(loc)); + } + +} + +inline ::toml::basic_value<TOML11_DEFAULT_COMMENT_STRATEGY, std::unordered_map, std::vector> +operator"" _toml(const char* str, std::size_t len) +{ + ::toml::detail::location loc( + std::string("TOML literal encoded in a C++ code"), + std::vector<char>(str, str + len)); + // literal length does not include the null character at the end. + return literal_internal_impl(std::move(loc)); +} + +// value of __cplusplus in C++2a/20 mode is not fixed yet along compilers. +// So here we use the feature test macro for `char8_t` itself. +#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L +// value of u8"" literal has been changed from char to char8_t and char8_t is +// NOT compatible to char +inline ::toml::basic_value<TOML11_DEFAULT_COMMENT_STRATEGY, std::unordered_map, std::vector> +operator"" _toml(const char8_t* str, std::size_t len) +{ + ::toml::detail::location loc( + std::string("TOML literal encoded in a C++ code"), + std::vector<char>(reinterpret_cast<const char*>(str), + reinterpret_cast<const char*>(str) + len)); + return literal_internal_impl(std::move(loc)); +} +#endif + +} // toml_literals +} // literals +} // toml +#endif//TOML11_LITERAL_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/macros.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,121 @@ +#ifndef TOML11_MACROS_HPP +#define TOML11_MACROS_HPP + +#define TOML11_STRINGIZE_AUX(x) #x +#define TOML11_STRINGIZE(x) TOML11_STRINGIZE_AUX(x) + +#define TOML11_CONCATENATE_AUX(x, y) x##y +#define TOML11_CONCATENATE(x, y) TOML11_CONCATENATE_AUX(x, y) + +// ============================================================================ +// TOML11_DEFINE_CONVERSION_NON_INTRUSIVE + +#ifndef TOML11_WITHOUT_DEFINE_NON_INTRUSIVE + +// ---------------------------------------------------------------------------- +// TOML11_ARGS_SIZE + +#define TOML11_INDEX_RSEQ() \ + 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, \ + 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 +#define TOML11_ARGS_SIZE_IMPL(\ + ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7, ARG8, ARG9, ARG10, \ + ARG11, ARG12, ARG13, ARG14, ARG15, ARG16, ARG17, ARG18, ARG19, ARG20, \ + ARG21, ARG22, ARG23, ARG24, ARG25, ARG26, ARG27, ARG28, ARG29, ARG30, \ + ARG31, ARG32, N, ...) N +#define TOML11_ARGS_SIZE_AUX(...) TOML11_ARGS_SIZE_IMPL(__VA_ARGS__) +#define TOML11_ARGS_SIZE(...) TOML11_ARGS_SIZE_AUX(__VA_ARGS__, TOML11_INDEX_RSEQ()) + +// ---------------------------------------------------------------------------- +// TOML11_FOR_EACH_VA_ARGS + +#define TOML11_FOR_EACH_VA_ARGS_AUX_1( FUNCTOR, ARG1 ) FUNCTOR(ARG1) +#define TOML11_FOR_EACH_VA_ARGS_AUX_2( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_1( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_3( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_2( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_4( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_3( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_5( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_4( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_6( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_5( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_7( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_6( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_8( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_7( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_9( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_8( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_10(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_9( FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_11(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_10(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_12(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_11(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_13(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_12(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_14(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_13(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_15(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_14(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_16(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_15(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_17(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_16(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_18(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_17(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_19(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_18(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_20(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_19(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_21(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_20(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_22(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_21(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_23(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_22(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_24(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_23(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_25(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_24(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_26(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_25(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_27(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_26(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_28(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_27(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_29(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_28(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_30(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_29(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_31(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_30(FUNCTOR, __VA_ARGS__) +#define TOML11_FOR_EACH_VA_ARGS_AUX_32(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_31(FUNCTOR, __VA_ARGS__) + +#define TOML11_FOR_EACH_VA_ARGS(FUNCTOR, ...)\ + TOML11_CONCATENATE(TOML11_FOR_EACH_VA_ARGS_AUX_, TOML11_ARGS_SIZE(__VA_ARGS__))(FUNCTOR, __VA_ARGS__) + +// ---------------------------------------------------------------------------- +// TOML11_DEFINE_CONVERSION_NON_INTRUSIVE + +// use it in the following way. +// ```cpp +// namespace foo +// { +// struct Foo +// { +// std::string s; +// double d; +// int i; +// }; +// } // foo +// +// TOML11_DEFINE_CONVERSION_NON_INTRUSIVE(foo::Foo, s, d, i) +// ``` +// And then you can use `toml::find<foo::Foo>(file, "foo");` +// +#define TOML11_FIND_MEMBER_VARIABLE_FROM_VALUE(VAR_NAME)\ + obj.VAR_NAME = toml::find<decltype(obj.VAR_NAME)>(v, TOML11_STRINGIZE(VAR_NAME)); + +#define TOML11_ASSIGN_MEMBER_VARIABLE_TO_VALUE(VAR_NAME)\ + v[TOML11_STRINGIZE(VAR_NAME)] = obj.VAR_NAME; + +#define TOML11_DEFINE_CONVERSION_NON_INTRUSIVE(NAME, ...)\ + namespace toml { \ + template<> \ + struct from<NAME> \ + { \ + template<typename C, template<typename ...> class T, \ + template<typename ...> class A> \ + static NAME from_toml(const basic_value<C, T, A>& v) \ + { \ + NAME obj; \ + TOML11_FOR_EACH_VA_ARGS(TOML11_FIND_MEMBER_VARIABLE_FROM_VALUE, __VA_ARGS__) \ + return obj; \ + } \ + }; \ + template<> \ + struct into<NAME> \ + { \ + static value into_toml(const NAME& obj) \ + { \ + ::toml::value v = ::toml::table{}; \ + TOML11_FOR_EACH_VA_ARGS(TOML11_ASSIGN_MEMBER_VARIABLE_TO_VALUE, __VA_ARGS__) \ + return v; \ + } \ + }; \ + } /* toml */ + +#endif// TOML11_WITHOUT_DEFINE_NON_INTRUSIVE + +#endif// TOML11_MACROS_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/parser.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,2611 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_PARSER_HPP +#define TOML11_PARSER_HPP +#include <cstring> +#include <fstream> +#include <sstream> + +#include "combinator.hpp" +#include "lexer.hpp" +#include "macros.hpp" +#include "region.hpp" +#include "result.hpp" +#include "types.hpp" +#include "value.hpp" + +#ifndef TOML11_DISABLE_STD_FILESYSTEM +#ifdef __cpp_lib_filesystem +#if __has_include(<filesystem>) +#define TOML11_HAS_STD_FILESYSTEM +#include <filesystem> +#endif // has_include(<string_view>) +#endif // __cpp_lib_filesystem +#endif // TOML11_DISABLE_STD_FILESYSTEM + +// the previous commit works with 500+ recursions. so it may be too small. +// but in most cases, i think we don't need such a deep recursion of +// arrays or inline-tables. +#define TOML11_VALUE_RECURSION_LIMIT 64 + +namespace toml +{ +namespace detail +{ + +inline result<std::pair<boolean, region>, std::string> +parse_boolean(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_boolean::invoke(loc)) + { + const auto reg = token.unwrap(); + if (reg.str() == "true") {return ok(std::make_pair(true, reg));} + else if(reg.str() == "false") {return ok(std::make_pair(false, reg));} + else // internal error. + { + throw internal_error(format_underline( + "toml::parse_boolean: internal error", + {{source_location(reg), "invalid token"}}), + source_location(reg)); + } + } + loc.reset(first); //rollback + return err(format_underline("toml::parse_boolean: ", + {{source_location(loc), "the next token is not a boolean"}})); +} + +inline result<std::pair<integer, region>, std::string> +parse_binary_integer(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_bin_int::invoke(loc)) + { + auto str = token.unwrap().str(); + assert(str.size() > 2); // minimum -> 0b1 + assert(str.at(0) == '0' && str.at(1) == 'b'); + + // skip all the zeros and `_` locating at the MSB + str.erase(str.begin(), std::find_if( + str.begin() + 2, // to skip prefix `0b` + str.end(), + [](const char c) { return c == '1'; }) + ); + assert(str.empty() || str.front() == '1'); + + // since toml11 uses int64_t, 64bit (unsigned) input cannot be read. + const auto max_length = 63 + std::count(str.begin(), str.end(), '_'); + if(static_cast<std::string::size_type>(max_length) < str.size()) + { + loc.reset(first); + return err(format_underline("toml::parse_binary_integer: " + "only signed 64bit integer is available", + {{source_location(loc), "too large input (> int64_t)"}})); + } + + integer retval(0), base(1); + for(auto i(str.rbegin()), e(str.rend()); i!=e; ++i) + { + assert(base != 0); // means overflow, checked in the above code + if(*i == '1') + { + retval += base; + if( (std::numeric_limits<integer>::max)() / 2 < base ) + { + base = 0; + } + base *= 2; + } + else if(*i == '0') + { + if( (std::numeric_limits<integer>::max)() / 2 < base ) + { + base = 0; + } + base *= 2; + } + else if(*i == '_') + { + // do nothing. + } + else // should be detected by lex_bin_int. [[unlikely]] + { + throw internal_error(format_underline( + "toml::parse_binary_integer: internal error", + {{source_location(token.unwrap()), "invalid token"}}), + source_location(loc)); + } + } + return ok(std::make_pair(retval, token.unwrap())); + } + loc.reset(first); + return err(format_underline("toml::parse_binary_integer:", + {{source_location(loc), "the next token is not an integer"}})); +} + +inline result<std::pair<integer, region>, std::string> +parse_octal_integer(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_oct_int::invoke(loc)) + { + auto str = token.unwrap().str(); + str.erase(std::remove(str.begin(), str.end(), '_'), str.end()); + str.erase(str.begin()); str.erase(str.begin()); // remove `0o` prefix + + std::istringstream iss(str); + integer retval(0); + iss >> std::oct >> retval; + if(iss.fail()) + { + // `istream` sets `failbit` if internally-called `std::num_get::get` + // fails. + // `std::num_get::get` calls `std::strtoll` if the argument type is + // signed. + // `std::strtoll` fails if + // - the value is out_of_range or + // - no conversion is possible. + // since we already checked that the string is valid octal integer, + // so the error reason is out_of_range. + loc.reset(first); + return err(format_underline("toml::parse_octal_integer:", + {{source_location(loc), "out of range"}})); + } + return ok(std::make_pair(retval, token.unwrap())); + } + loc.reset(first); + return err(format_underline("toml::parse_octal_integer:", + {{source_location(loc), "the next token is not an integer"}})); +} + +inline result<std::pair<integer, region>, std::string> +parse_hexadecimal_integer(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_hex_int::invoke(loc)) + { + auto str = token.unwrap().str(); + str.erase(std::remove(str.begin(), str.end(), '_'), str.end()); + str.erase(str.begin()); str.erase(str.begin()); // remove `0x` prefix + + std::istringstream iss(str); + integer retval(0); + iss >> std::hex >> retval; + if(iss.fail()) + { + // see parse_octal_integer for detail of this error message. + loc.reset(first); + return err(format_underline("toml::parse_hexadecimal_integer:", + {{source_location(loc), "out of range"}})); + } + return ok(std::make_pair(retval, token.unwrap())); + } + loc.reset(first); + return err(format_underline("toml::parse_hexadecimal_integer", + {{source_location(loc), "the next token is not an integer"}})); +} + +inline result<std::pair<integer, region>, std::string> +parse_integer(location& loc) +{ + const auto first = loc.iter(); + if(first != loc.end() && *first == '0') + { + const auto second = std::next(first); + if(second == loc.end()) // the token is just zero. + { + loc.advance(); + return ok(std::make_pair(0, region(loc, first, second))); + } + + if(*second == 'b') {return parse_binary_integer (loc);} // 0b1100 + if(*second == 'o') {return parse_octal_integer (loc);} // 0o775 + if(*second == 'x') {return parse_hexadecimal_integer(loc);} // 0xC0FFEE + + if(std::isdigit(*second)) + { + return err(format_underline("toml::parse_integer: " + "leading zero in an Integer is not allowed.", + {{source_location(loc), "leading zero"}})); + } + else if(std::isalpha(*second)) + { + return err(format_underline("toml::parse_integer: " + "unknown integer prefix appeared.", + {{source_location(loc), "none of 0x, 0o, 0b"}})); + } + } + + if(const auto token = lex_dec_int::invoke(loc)) + { + auto str = token.unwrap().str(); + str.erase(std::remove(str.begin(), str.end(), '_'), str.end()); + + std::istringstream iss(str); + integer retval(0); + iss >> retval; + if(iss.fail()) + { + // see parse_octal_integer for detail of this error message. + loc.reset(first); + return err(format_underline("toml::parse_integer:", + {{source_location(loc), "out of range"}})); + } + return ok(std::make_pair(retval, token.unwrap())); + } + loc.reset(first); + return err(format_underline("toml::parse_integer: ", + {{source_location(loc), "the next token is not an integer"}})); +} + +inline result<std::pair<floating, region>, std::string> +parse_floating(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_float::invoke(loc)) + { + auto str = token.unwrap().str(); + if(str == "inf" || str == "+inf") + { + if(std::numeric_limits<floating>::has_infinity) + { + return ok(std::make_pair( + std::numeric_limits<floating>::infinity(), token.unwrap())); + } + else + { + throw std::domain_error("toml::parse_floating: inf value found" + " but the current environment does not support inf. Please" + " make sure that the floating-point implementation conforms" + " IEEE 754/ISO 60559 international standard."); + } + } + else if(str == "-inf") + { + if(std::numeric_limits<floating>::has_infinity) + { + return ok(std::make_pair( + -std::numeric_limits<floating>::infinity(), token.unwrap())); + } + else + { + throw std::domain_error("toml::parse_floating: inf value found" + " but the current environment does not support inf. Please" + " make sure that the floating-point implementation conforms" + " IEEE 754/ISO 60559 international standard."); + } + } + else if(str == "nan" || str == "+nan") + { + if(std::numeric_limits<floating>::has_quiet_NaN) + { + return ok(std::make_pair( + std::numeric_limits<floating>::quiet_NaN(), token.unwrap())); + } + else if(std::numeric_limits<floating>::has_signaling_NaN) + { + return ok(std::make_pair( + std::numeric_limits<floating>::signaling_NaN(), token.unwrap())); + } + else + { + throw std::domain_error("toml::parse_floating: NaN value found" + " but the current environment does not support NaN. Please" + " make sure that the floating-point implementation conforms" + " IEEE 754/ISO 60559 international standard."); + } + } + else if(str == "-nan") + { + if(std::numeric_limits<floating>::has_quiet_NaN) + { + return ok(std::make_pair( + -std::numeric_limits<floating>::quiet_NaN(), token.unwrap())); + } + else if(std::numeric_limits<floating>::has_signaling_NaN) + { + return ok(std::make_pair( + -std::numeric_limits<floating>::signaling_NaN(), token.unwrap())); + } + else + { + throw std::domain_error("toml::parse_floating: NaN value found" + " but the current environment does not support NaN. Please" + " make sure that the floating-point implementation conforms" + " IEEE 754/ISO 60559 international standard."); + } + } + str.erase(std::remove(str.begin(), str.end(), '_'), str.end()); + std::istringstream iss(str); + floating v(0.0); + iss >> v; + if(iss.fail()) + { + // see parse_octal_integer for detail of this error message. + loc.reset(first); + return err(format_underline("toml::parse_floating:", + {{source_location(loc), "out of range"}})); + } + return ok(std::make_pair(v, token.unwrap())); + } + loc.reset(first); + return err(format_underline("toml::parse_floating: ", + {{source_location(loc), "the next token is not a float"}})); +} + +inline std::string read_utf8_codepoint(const region& reg, const location& loc) +{ + const auto str = reg.str().substr(1); + std::uint_least32_t codepoint; + std::istringstream iss(str); + iss >> std::hex >> codepoint; + + const auto to_char = [](const std::uint_least32_t i) noexcept -> char { + const auto uc = static_cast<unsigned char>(i); + return *reinterpret_cast<const char*>(std::addressof(uc)); + }; + + std::string character; + if(codepoint < 0x80) // U+0000 ... U+0079 ; just an ASCII. + { + character += static_cast<char>(codepoint); + } + else if(codepoint < 0x800) //U+0080 ... U+07FF + { + // 110yyyyx 10xxxxxx; 0x3f == 0b0011'1111 + character += to_char(0xC0| codepoint >> 6); + character += to_char(0x80|(codepoint & 0x3F)); + } + else if(codepoint < 0x10000) // U+0800...U+FFFF + { + if(0xD800 <= codepoint && codepoint <= 0xDFFF) + { + throw syntax_error(format_underline( + "toml::read_utf8_codepoint: codepoints in the range " + "[0xD800, 0xDFFF] are not valid UTF-8.", {{ + source_location(loc), "not a valid UTF-8 codepoint" + }}), source_location(loc)); + } + assert(codepoint < 0xD800 || 0xDFFF < codepoint); + // 1110yyyy 10yxxxxx 10xxxxxx + character += to_char(0xE0| codepoint >> 12); + character += to_char(0x80|(codepoint >> 6 & 0x3F)); + character += to_char(0x80|(codepoint & 0x3F)); + } + else if(codepoint < 0x110000) // U+010000 ... U+10FFFF + { + // 11110yyy 10yyxxxx 10xxxxxx 10xxxxxx + character += to_char(0xF0| codepoint >> 18); + character += to_char(0x80|(codepoint >> 12 & 0x3F)); + character += to_char(0x80|(codepoint >> 6 & 0x3F)); + character += to_char(0x80|(codepoint & 0x3F)); + } + else // out of UTF-8 region + { + throw syntax_error(format_underline("toml::read_utf8_codepoint:" + " input codepoint is too large.", + {{source_location(loc), "should be in [0x00..0x10FFFF]"}}), + source_location(loc)); + } + return character; +} + +inline result<std::string, std::string> parse_escape_sequence(location& loc) +{ + const auto first = loc.iter(); + if(first == loc.end() || *first != '\\') + { + return err(format_underline("toml::parse_escape_sequence: ", {{ + source_location(loc), "the next token is not a backslash \"\\\""}})); + } + loc.advance(); + switch(*loc.iter()) + { + case '\\':{loc.advance(); return ok(std::string("\\"));} + case '"' :{loc.advance(); return ok(std::string("\""));} + case 'b' :{loc.advance(); return ok(std::string("\b"));} + case 't' :{loc.advance(); return ok(std::string("\t"));} + case 'n' :{loc.advance(); return ok(std::string("\n"));} + case 'f' :{loc.advance(); return ok(std::string("\f"));} + case 'r' :{loc.advance(); return ok(std::string("\r"));} +#ifdef TOML11_USE_UNRELEASED_TOML_FEATURES + case 'e' :{loc.advance(); return ok(std::string("\x1b"));} // ESC +#endif + case 'u' : + { + if(const auto token = lex_escape_unicode_short::invoke(loc)) + { + return ok(read_utf8_codepoint(token.unwrap(), loc)); + } + else + { + return err(format_underline("parse_escape_sequence: " + "invalid token found in UTF-8 codepoint uXXXX.", + {{source_location(loc), "here"}})); + } + } + case 'U': + { + if(const auto token = lex_escape_unicode_long::invoke(loc)) + { + return ok(read_utf8_codepoint(token.unwrap(), loc)); + } + else + { + return err(format_underline("parse_escape_sequence: " + "invalid token found in UTF-8 codepoint Uxxxxxxxx", + {{source_location(loc), "here"}})); + } + } + } + + const auto msg = format_underline("parse_escape_sequence: " + "unknown escape sequence appeared.", {{source_location(loc), + "escape sequence is one of \\, \", b, t, n, f, r, uxxxx, Uxxxxxxxx"}}, + /* Hints = */{"if you want to write backslash as just one backslash, " + "use literal string like: regex = '<\\i\\c*\\s*>'"}); + loc.reset(first); + return err(msg); +} + +inline std::ptrdiff_t check_utf8_validity(const std::string& reg) +{ + location loc("tmp", reg); + const auto u8 = repeat<lex_utf8_code, unlimited>::invoke(loc); + if(!u8 || loc.iter() != loc.end()) + { + const auto error_location = std::distance(loc.begin(), loc.iter()); + assert(0 <= error_location); + return error_location; + } + return -1; +} + +inline result<std::pair<toml::string, region>, std::string> +parse_ml_basic_string(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_ml_basic_string::invoke(loc)) + { + auto inner_loc = loc; + inner_loc.reset(first); + + std::string retval; + retval.reserve(token.unwrap().size()); + + auto delim = lex_ml_basic_string_open::invoke(inner_loc); + if(!delim) + { + throw internal_error(format_underline( + "parse_ml_basic_string: invalid token", + {{source_location(inner_loc), "should be \"\"\""}}), + source_location(inner_loc)); + } + // immediate newline is ignored (if exists) + /* discard return value */ lex_newline::invoke(inner_loc); + + delim = none(); + while(!delim) + { + using lex_unescaped_seq = repeat< + either<lex_ml_basic_unescaped, lex_newline>, unlimited>; + if(auto unescaped = lex_unescaped_seq::invoke(inner_loc)) + { + retval += unescaped.unwrap().str(); + } + if(auto escaped = parse_escape_sequence(inner_loc)) + { + retval += escaped.unwrap(); + } + if(auto esc_nl = lex_ml_basic_escaped_newline::invoke(inner_loc)) + { + // ignore newline after escape until next non-ws char + } + if(inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "parse_ml_basic_string: unexpected end of region", + {{source_location(inner_loc), "not sufficient token"}}), + source_location(inner_loc)); + } + delim = lex_ml_basic_string_close::invoke(inner_loc); + } + // `lex_ml_basic_string_close` allows 3 to 5 `"`s to allow 1 or 2 `"`s + // at just before the delimiter. Here, we need to attach `"`s at the + // end of the string body, if it exists. + // For detail, see the definition of `lex_ml_basic_string_close`. + assert(std::all_of(delim.unwrap().first(), delim.unwrap().last(), + [](const char c) noexcept {return c == '\"';})); + switch(delim.unwrap().size()) + { + case 3: {break;} + case 4: {retval += "\""; break;} + case 5: {retval += "\"\""; break;} + default: + { + throw internal_error(format_underline( + "parse_ml_basic_string: closing delimiter has invalid length", + {{source_location(inner_loc), "end of this"}}), + source_location(inner_loc)); + } + } + + const auto err_loc = check_utf8_validity(token.unwrap().str()); + if(err_loc == -1) + { + return ok(std::make_pair(toml::string(retval), token.unwrap())); + } + else + { + inner_loc.reset(first); + inner_loc.advance(err_loc); + throw syntax_error(format_underline( + "parse_ml_basic_string: invalid utf8 sequence found", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + } + else + { + loc.reset(first); + return err(format_underline("toml::parse_ml_basic_string: " + "the next token is not a valid multiline string", + {{source_location(loc), "here"}})); + } +} + +inline result<std::pair<toml::string, region>, std::string> +parse_basic_string(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_basic_string::invoke(loc)) + { + auto inner_loc = loc; + inner_loc.reset(first); + + auto quot = lex_quotation_mark::invoke(inner_loc); + if(!quot) + { + throw internal_error(format_underline("parse_basic_string: " + "invalid token", {{source_location(inner_loc), "should be \""}}), + source_location(inner_loc)); + } + + std::string retval; + retval.reserve(token.unwrap().size()); + + quot = none(); + while(!quot) + { + using lex_unescaped_seq = repeat<lex_basic_unescaped, unlimited>; + if(auto unescaped = lex_unescaped_seq::invoke(inner_loc)) + { + retval += unescaped.unwrap().str(); + } + if(auto escaped = parse_escape_sequence(inner_loc)) + { + retval += escaped.unwrap(); + } + if(inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "parse_basic_string: unexpected end of region", + {{source_location(inner_loc), "not sufficient token"}}), + source_location(inner_loc)); + } + quot = lex_quotation_mark::invoke(inner_loc); + } + + const auto err_loc = check_utf8_validity(token.unwrap().str()); + if(err_loc == -1) + { + return ok(std::make_pair(toml::string(retval), token.unwrap())); + } + else + { + inner_loc.reset(first); + inner_loc.advance(err_loc); + throw syntax_error(format_underline( + "parse_basic_string: invalid utf8 sequence found", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + } + else + { + loc.reset(first); // rollback + return err(format_underline("toml::parse_basic_string: " + "the next token is not a valid string", + {{source_location(loc), "here"}})); + } +} + +inline result<std::pair<toml::string, region>, std::string> +parse_ml_literal_string(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_ml_literal_string::invoke(loc)) + { + auto inner_loc = loc; + inner_loc.reset(first); + + const auto open = lex_ml_literal_string_open::invoke(inner_loc); + if(!open) + { + throw internal_error(format_underline( + "parse_ml_literal_string: invalid token", + {{source_location(inner_loc), "should be '''"}}), + source_location(inner_loc)); + } + // immediate newline is ignored (if exists) + /* discard return value */ lex_newline::invoke(inner_loc); + + const auto body = lex_ml_literal_body::invoke(inner_loc); + + const auto close = lex_ml_literal_string_close::invoke(inner_loc); + if(!close) + { + throw internal_error(format_underline( + "parse_ml_literal_string: invalid token", + {{source_location(inner_loc), "should be '''"}}), + source_location(inner_loc)); + } + // `lex_ml_literal_string_close` allows 3 to 5 `'`s to allow 1 or 2 `'`s + // at just before the delimiter. Here, we need to attach `'`s at the + // end of the string body, if it exists. + // For detail, see the definition of `lex_ml_basic_string_close`. + + std::string retval = body.unwrap().str(); + assert(std::all_of(close.unwrap().first(), close.unwrap().last(), + [](const char c) noexcept {return c == '\'';})); + switch(close.unwrap().size()) + { + case 3: {break;} + case 4: {retval += "'"; break;} + case 5: {retval += "''"; break;} + default: + { + throw internal_error(format_underline( + "parse_ml_literal_string: closing delimiter has invalid length", + {{source_location(inner_loc), "end of this"}}), + source_location(inner_loc)); + } + } + + const auto err_loc = check_utf8_validity(token.unwrap().str()); + if(err_loc == -1) + { + return ok(std::make_pair(toml::string(retval, toml::string_t::literal), + token.unwrap())); + } + else + { + inner_loc.reset(first); + inner_loc.advance(err_loc); + throw syntax_error(format_underline( + "parse_ml_literal_string: invalid utf8 sequence found", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + } + else + { + loc.reset(first); // rollback + return err(format_underline("toml::parse_ml_literal_string: " + "the next token is not a valid multiline literal string", + {{source_location(loc), "here"}})); + } +} + +inline result<std::pair<toml::string, region>, std::string> +parse_literal_string(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_literal_string::invoke(loc)) + { + auto inner_loc = loc; + inner_loc.reset(first); + + const auto open = lex_apostrophe::invoke(inner_loc); + if(!open) + { + throw internal_error(format_underline( + "parse_literal_string: invalid token", + {{source_location(inner_loc), "should be '"}}), + source_location(inner_loc)); + } + + const auto body = repeat<lex_literal_char, unlimited>::invoke(inner_loc); + + const auto close = lex_apostrophe::invoke(inner_loc); + if(!close) + { + throw internal_error(format_underline( + "parse_literal_string: invalid token", + {{source_location(inner_loc), "should be '"}}), + source_location(inner_loc)); + } + + const auto err_loc = check_utf8_validity(token.unwrap().str()); + if(err_loc == -1) + { + return ok(std::make_pair( + toml::string(body.unwrap().str(), toml::string_t::literal), + token.unwrap())); + } + else + { + inner_loc.reset(first); + inner_loc.advance(err_loc); + throw syntax_error(format_underline( + "parse_literal_string: invalid utf8 sequence found", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + } + else + { + loc.reset(first); // rollback + return err(format_underline("toml::parse_literal_string: " + "the next token is not a valid literal string", + {{source_location(loc), "here"}})); + } +} + +inline result<std::pair<toml::string, region>, std::string> +parse_string(location& loc) +{ + if(loc.iter() != loc.end() && *(loc.iter()) == '"') + { + if(loc.iter() + 1 != loc.end() && *(loc.iter() + 1) == '"' && + loc.iter() + 2 != loc.end() && *(loc.iter() + 2) == '"') + { + return parse_ml_basic_string(loc); + } + else + { + return parse_basic_string(loc); + } + } + else if(loc.iter() != loc.end() && *(loc.iter()) == '\'') + { + if(loc.iter() + 1 != loc.end() && *(loc.iter() + 1) == '\'' && + loc.iter() + 2 != loc.end() && *(loc.iter() + 2) == '\'') + { + return parse_ml_literal_string(loc); + } + else + { + return parse_literal_string(loc); + } + } + return err(format_underline("toml::parse_string: ", + {{source_location(loc), "the next token is not a string"}})); +} + +inline result<std::pair<local_date, region>, std::string> +parse_local_date(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_local_date::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + + const auto y = lex_date_fullyear::invoke(inner_loc); + if(!y || inner_loc.iter() == inner_loc.end() || *inner_loc.iter() != '-') + { + throw internal_error(format_underline( + "toml::parse_local_date: invalid year format", + {{source_location(inner_loc), "should be `-`"}}), + source_location(inner_loc)); + } + inner_loc.advance(); + const auto m = lex_date_month::invoke(inner_loc); + if(!m || inner_loc.iter() == inner_loc.end() || *inner_loc.iter() != '-') + { + throw internal_error(format_underline( + "toml::parse_local_date: invalid month format", + {{source_location(inner_loc), "should be `-`"}}), + source_location(inner_loc)); + } + inner_loc.advance(); + const auto d = lex_date_mday::invoke(inner_loc); + if(!d) + { + throw internal_error(format_underline( + "toml::parse_local_date: invalid day format", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + + const auto year = static_cast<std::int16_t>(from_string<int>(y.unwrap().str(), 0)); + const auto month = static_cast<std::int8_t >(from_string<int>(m.unwrap().str(), 0)); + const auto day = static_cast<std::int8_t >(from_string<int>(d.unwrap().str(), 0)); + + // We briefly check whether the input date is valid or not. But here, we + // only check if the RFC3339 compliance. + // Actually there are several special date that does not exist, + // because of historical reasons, such as 1582/10/5-1582/10/14 (only in + // several countries). But here, we do not care about such a complicated + // rule. It makes the code complicated and there is only low probability + // that such a specific date is needed in practice. If someone need to + // validate date accurately, that means that the one need a specialized + // library for their purpose in a different layer. + { + const bool is_leap = (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)); + const auto max_day = (month == 2) ? (is_leap ? 29 : 28) : + ((month == 4 || month == 6 || month == 9 || month == 11) ? 30 : 31); + + if((month < 1 || 12 < month) || (day < 1 || max_day < day)) + { + throw syntax_error(format_underline("toml::parse_date: " + "invalid date: it does not conform RFC3339.", {{ + source_location(loc), "month should be 01-12, day should be" + " 01-28,29,30,31, depending on month/year." + }}), source_location(inner_loc)); + } + } + return ok(std::make_pair(local_date(year, static_cast<month_t>(month - 1), day), + token.unwrap())); + } + else + { + loc.reset(first); + return err(format_underline("toml::parse_local_date: ", + {{source_location(loc), "the next token is not a local_date"}})); + } +} + +inline result<std::pair<local_time, region>, std::string> +parse_local_time(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_local_time::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + + const auto h = lex_time_hour::invoke(inner_loc); + if(!h || inner_loc.iter() == inner_loc.end() || *inner_loc.iter() != ':') + { + throw internal_error(format_underline( + "toml::parse_local_time: invalid year format", + {{source_location(inner_loc), "should be `:`"}}), + source_location(inner_loc)); + } + inner_loc.advance(); + const auto m = lex_time_minute::invoke(inner_loc); + if(!m || inner_loc.iter() == inner_loc.end() || *inner_loc.iter() != ':') + { + throw internal_error(format_underline( + "toml::parse_local_time: invalid month format", + {{source_location(inner_loc), "should be `:`"}}), + source_location(inner_loc)); + } + inner_loc.advance(); + const auto s = lex_time_second::invoke(inner_loc); + if(!s) + { + throw internal_error(format_underline( + "toml::parse_local_time: invalid second format", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + + const int hour = from_string<int>(h.unwrap().str(), 0); + const int minute = from_string<int>(m.unwrap().str(), 0); + const int second = from_string<int>(s.unwrap().str(), 0); + + if((hour < 0 || 23 < hour) || (minute < 0 || 59 < minute) || + (second < 0 || 60 < second)) // it may be leap second + { + throw syntax_error(format_underline("toml::parse_local_time: " + "invalid time: it does not conform RFC3339.", {{ + source_location(loc), "hour should be 00-23, minute should be" + " 00-59, second should be 00-60 (depending on the leap" + " second rules.)"}}), source_location(inner_loc)); + } + + local_time time(hour, minute, second, 0, 0); + + const auto before_secfrac = inner_loc.iter(); + if(const auto secfrac = lex_time_secfrac::invoke(inner_loc)) + { + auto sf = secfrac.unwrap().str(); + sf.erase(sf.begin()); // sf.front() == '.' + switch(sf.size() % 3) + { + case 2: sf += '0'; break; + case 1: sf += "00"; break; + case 0: break; + default: break; + } + if(sf.size() >= 9) + { + time.millisecond = from_string<std::uint16_t>(sf.substr(0, 3), 0u); + time.microsecond = from_string<std::uint16_t>(sf.substr(3, 3), 0u); + time.nanosecond = from_string<std::uint16_t>(sf.substr(6, 3), 0u); + } + else if(sf.size() >= 6) + { + time.millisecond = from_string<std::uint16_t>(sf.substr(0, 3), 0u); + time.microsecond = from_string<std::uint16_t>(sf.substr(3, 3), 0u); + } + else if(sf.size() >= 3) + { + time.millisecond = from_string<std::uint16_t>(sf, 0u); + time.microsecond = 0u; + } + } + else + { + if(before_secfrac != inner_loc.iter()) + { + throw internal_error(format_underline( + "toml::parse_local_time: invalid subsecond format", + {{source_location(inner_loc), "here"}}), + source_location(inner_loc)); + } + } + return ok(std::make_pair(time, token.unwrap())); + } + else + { + loc.reset(first); + return err(format_underline("toml::parse_local_time: ", + {{source_location(loc), "the next token is not a local_time"}})); + } +} + +inline result<std::pair<local_datetime, region>, std::string> +parse_local_datetime(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_local_date_time::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + const auto date = parse_local_date(inner_loc); + if(!date || inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "toml::parse_local_datetime: invalid datetime format", + {{source_location(inner_loc), "date, not datetime"}}), + source_location(inner_loc)); + } + const char delim = *(inner_loc.iter()); + if(delim != 'T' && delim != 't' && delim != ' ') + { + throw internal_error(format_underline( + "toml::parse_local_datetime: invalid datetime format", + {{source_location(inner_loc), "should be `T` or ` ` (space)"}}), + source_location(inner_loc)); + } + inner_loc.advance(); + const auto time = parse_local_time(inner_loc); + if(!time) + { + throw internal_error(format_underline( + "toml::parse_local_datetime: invalid datetime format", + {{source_location(inner_loc), "invalid time format"}}), + source_location(inner_loc)); + } + return ok(std::make_pair( + local_datetime(date.unwrap().first, time.unwrap().first), + token.unwrap())); + } + else + { + loc.reset(first); + return err(format_underline("toml::parse_local_datetime: ", + {{source_location(loc), "the next token is not a local_datetime"}})); + } +} + +inline result<std::pair<offset_datetime, region>, std::string> +parse_offset_datetime(location& loc) +{ + const auto first = loc.iter(); + if(const auto token = lex_offset_date_time::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + const auto datetime = parse_local_datetime(inner_loc); + if(!datetime || inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "toml::parse_offset_datetime: invalid datetime format", + {{source_location(inner_loc), "date, not datetime"}}), + source_location(inner_loc)); + } + time_offset offset(0, 0); + if(const auto ofs = lex_time_numoffset::invoke(inner_loc)) + { + const auto str = ofs.unwrap().str(); + + const auto hour = from_string<int>(str.substr(1,2), 0); + const auto minute = from_string<int>(str.substr(4,2), 0); + + if((hour < 0 || 23 < hour) || (minute < 0 || 59 < minute)) + { + throw syntax_error(format_underline("toml::parse_offset_datetime: " + "invalid offset: it does not conform RFC3339.", {{ + source_location(loc), "month should be 01-12, day should be" + " 01-28,29,30,31, depending on month/year." + }}), source_location(inner_loc)); + } + + if(str.front() == '+') + { + offset = time_offset(hour, minute); + } + else + { + offset = time_offset(-hour, -minute); + } + } + else if(*inner_loc.iter() != 'Z' && *inner_loc.iter() != 'z') + { + throw internal_error(format_underline( + "toml::parse_offset_datetime: invalid datetime format", + {{source_location(inner_loc), "should be `Z` or `+HH:MM`"}}), + source_location(inner_loc)); + } + return ok(std::make_pair(offset_datetime(datetime.unwrap().first, offset), + token.unwrap())); + } + else + { + loc.reset(first); + return err(format_underline("toml::parse_offset_datetime: ", + {{source_location(loc), "the next token is not a offset_datetime"}})); + } +} + +inline result<std::pair<key, region>, std::string> +parse_simple_key(location& loc) +{ + if(const auto bstr = parse_basic_string(loc)) + { + return ok(std::make_pair(bstr.unwrap().first.str, bstr.unwrap().second)); + } + if(const auto lstr = parse_literal_string(loc)) + { + return ok(std::make_pair(lstr.unwrap().first.str, lstr.unwrap().second)); + } + if(const auto bare = lex_unquoted_key::invoke(loc)) + { + const auto reg = bare.unwrap(); + return ok(std::make_pair(reg.str(), reg)); + } + return err(format_underline("toml::parse_simple_key: ", + {{source_location(loc), "the next token is not a simple key"}})); +} + +// dotted key become vector of keys +inline result<std::pair<std::vector<key>, region>, std::string> +parse_key(location& loc) +{ + const auto first = loc.iter(); + // dotted key -> `foo.bar.baz` where several single keys are chained by + // dots. Whitespaces between keys and dots are allowed. + if(const auto token = lex_dotted_key::invoke(loc)) + { + const auto reg = token.unwrap(); + location inner_loc(loc.name(), reg.str()); + std::vector<key> keys; + + while(inner_loc.iter() != inner_loc.end()) + { + lex_ws::invoke(inner_loc); + if(const auto k = parse_simple_key(inner_loc)) + { + keys.push_back(k.unwrap().first); + } + else + { + throw internal_error(format_underline( + "toml::parse_key: dotted key contains invalid key", + {{source_location(inner_loc), k.unwrap_err()}}), + source_location(inner_loc)); + } + + lex_ws::invoke(inner_loc); + if(inner_loc.iter() == inner_loc.end()) + { + break; + } + else if(*inner_loc.iter() == '.') + { + inner_loc.advance(); // to skip `.` + } + else + { + throw internal_error(format_underline("toml::parse_key: " + "dotted key contains invalid key ", + {{source_location(inner_loc), "should be `.`"}}), + source_location(inner_loc)); + } + } + return ok(std::make_pair(keys, reg)); + } + loc.reset(first); + + // simple_key: a single (basic_string|literal_string|bare key) + if(const auto smpl = parse_simple_key(loc)) + { + return ok(std::make_pair(std::vector<key>(1, smpl.unwrap().first), + smpl.unwrap().second)); + } + return err(format_underline("toml::parse_key: an invalid key appeared.", + {{source_location(loc), "is not a valid key"}}, { + "bare keys : non-empty strings composed only of [A-Za-z0-9_-].", + "quoted keys: same as \"basic strings\" or 'literal strings'.", + "dotted keys: sequence of bare or quoted keys joined with a dot." + })); +} + +// forward-decl to implement parse_array and parse_table +template<typename Value> +result<Value, std::string> parse_value(location&, const std::size_t n_rec); + +template<typename Value> +result<std::pair<typename Value::array_type, region>, std::string> +parse_array(location& loc, const std::size_t n_rec) +{ + using value_type = Value; + using array_type = typename value_type::array_type; + + if(n_rec > TOML11_VALUE_RECURSION_LIMIT) + { + // parse_array does not have any way to handle recursive error currently... + throw syntax_error(std::string("toml::parse_array: recursion limit (" + TOML11_STRINGIZE(TOML11_VALUE_RECURSION_LIMIT) ") exceeded"), + source_location(loc)); + } + + const auto first = loc.iter(); + if(loc.iter() == loc.end()) + { + return err("toml::parse_array: input is empty"); + } + if(*loc.iter() != '[') + { + return err("toml::parse_array: token is not an array"); + } + loc.advance(); + + using lex_ws_comment_newline = repeat< + either<lex_wschar, lex_newline, lex_comment>, unlimited>; + + array_type retval; + while(loc.iter() != loc.end()) + { + lex_ws_comment_newline::invoke(loc); // skip + + if(loc.iter() != loc.end() && *loc.iter() == ']') + { + loc.advance(); // skip ']' + return ok(std::make_pair(retval, + region(loc, first, loc.iter()))); + } + + if(auto val = parse_value<value_type>(loc, n_rec+1)) + { + // After TOML v1.0.0-rc.1, array becomes to be able to have values + // with different types. So here we will omit this by default. + // + // But some of the test-suite checks if the parser accepts a hetero- + // geneous arrays, so we keep this for a while. +#ifdef TOML11_DISALLOW_HETEROGENEOUS_ARRAYS + if(!retval.empty() && retval.front().type() != val.as_ok().type()) + { + auto array_start_loc = loc; + array_start_loc.reset(first); + + throw syntax_error(format_underline("toml::parse_array: " + "type of elements should be the same each other.", { + {source_location(array_start_loc), "array starts here"}, + { + retval.front().location(), + "value has type " + stringize(retval.front().type()) + }, + { + val.unwrap().location(), + "value has different type, " + stringize(val.unwrap().type()) + } + }), source_location(loc)); + } +#endif + retval.push_back(std::move(val.unwrap())); + } + else + { + auto array_start_loc = loc; + array_start_loc.reset(first); + + throw syntax_error(format_underline("toml::parse_array: " + "value having invalid format appeared in an array", { + {source_location(array_start_loc), "array starts here"}, + {source_location(loc), "it is not a valid value."} + }), source_location(loc)); + } + + using lex_array_separator = sequence<maybe<lex_ws_comment_newline>, character<','>>; + const auto sp = lex_array_separator::invoke(loc); + if(!sp) + { + lex_ws_comment_newline::invoke(loc); + if(loc.iter() != loc.end() && *loc.iter() == ']') + { + loc.advance(); // skip ']' + return ok(std::make_pair(retval, + region(loc, first, loc.iter()))); + } + else + { + auto array_start_loc = loc; + array_start_loc.reset(first); + + throw syntax_error(format_underline("toml::parse_array:" + " missing array separator `,` after a value", { + {source_location(array_start_loc), "array starts here"}, + {source_location(loc), "should be `,`"} + }), source_location(loc)); + } + } + } + loc.reset(first); + throw syntax_error(format_underline("toml::parse_array: " + "array did not closed by `]`", + {{source_location(loc), "should be closed"}}), + source_location(loc)); +} + +template<typename Value> +result<std::pair<std::pair<std::vector<key>, region>, Value>, std::string> +parse_key_value_pair(location& loc, const std::size_t n_rec) +{ + using value_type = Value; + + const auto first = loc.iter(); + auto key_reg = parse_key(loc); + if(!key_reg) + { + std::string msg = std::move(key_reg.unwrap_err()); + // if the next token is keyvalue-separator, it means that there are no + // key. then we need to show error as "empty key is not allowed". + if(const auto keyval_sep = lex_keyval_sep::invoke(loc)) + { + loc.reset(first); + msg = format_underline("toml::parse_key_value_pair: " + "empty key is not allowed.", + {{source_location(loc), "key expected before '='"}}); + } + return err(std::move(msg)); + } + + const auto kvsp = lex_keyval_sep::invoke(loc); + if(!kvsp) + { + std::string msg; + // if the line contains '=' after the invalid sequence, possibly the + // error is in the key (like, invalid character in bare key). + const auto line_end = std::find(loc.iter(), loc.end(), '\n'); + if(std::find(loc.iter(), line_end, '=') != line_end) + { + msg = format_underline("toml::parse_key_value_pair: " + "invalid format for key", + {{source_location(loc), "invalid character in key"}}, + {"Did you forget '.' to separate dotted-key?", + "Allowed characters for bare key are [0-9a-zA-Z_-]."}); + } + else // if not, the error is lack of key-value separator. + { + msg = format_underline("toml::parse_key_value_pair: " + "missing key-value separator `=`", + {{source_location(loc), "should be `=`"}}); + } + loc.reset(first); + return err(std::move(msg)); + } + + const auto after_kvsp = loc.iter(); // err msg + auto val = parse_value<value_type>(loc, n_rec); + if(!val) + { + std::string msg; + loc.reset(after_kvsp); + // check there is something not a comment/whitespace after `=` + if(sequence<maybe<lex_ws>, maybe<lex_comment>, lex_newline>::invoke(loc)) + { + loc.reset(after_kvsp); + msg = format_underline("toml::parse_key_value_pair: " + "missing value after key-value separator '='", + {{source_location(loc), "expected value, but got nothing"}}); + } + else // there is something not a comment/whitespace, so invalid format. + { + msg = std::move(val.unwrap_err()); + } + loc.reset(first); + return err(msg); + } + return ok(std::make_pair(std::move(key_reg.unwrap()), + std::move(val.unwrap()))); +} + +// for error messages. +template<typename InputIterator> +std::string format_dotted_keys(InputIterator first, const InputIterator last) +{ + static_assert(std::is_same<key, + typename std::iterator_traits<InputIterator>::value_type>::value,""); + + std::string retval(*first++); + for(; first != last; ++first) + { + retval += '.'; + retval += *first; + } + return retval; +} + +// forward decl for is_valid_forward_table_definition +result<std::pair<std::vector<key>, region>, std::string> +parse_table_key(location& loc); +result<std::pair<std::vector<key>, region>, std::string> +parse_array_table_key(location& loc); +template<typename Value> +result<std::pair<typename Value::table_type, region>, std::string> +parse_inline_table(location& loc, const std::size_t n_rec); + +// The following toml file is allowed. +// ```toml +// [a.b.c] # here, table `a` has element `b`. +// foo = "bar" +// [a] # merge a = {baz = "qux"} to a = {b = {...}} +// baz = "qux" +// ``` +// But the following is not allowed. +// ```toml +// [a] +// b.c.foo = "bar" +// [a] # error! the same table [a] defined! +// baz = "qux" +// ``` +// The following is neither allowed. +// ```toml +// a = { b.c.foo = "bar"} +// [a] # error! the same table [a] defined! +// baz = "qux" +// ``` +// Here, it parses region of `tab->at(k)` as a table key and check the depth +// of the key. If the key region points deeper node, it would be allowed. +// Otherwise, the key points the same node. It would be rejected. +template<typename Value, typename Iterator> +bool is_valid_forward_table_definition(const Value& fwd, const Value& inserting, + Iterator key_first, Iterator key_curr, Iterator key_last) +{ + // ------------------------------------------------------------------------ + // check type of the value to be inserted/merged + + std::string inserting_reg = ""; + if(const auto ptr = detail::get_region(inserting)) + { + inserting_reg = ptr->str(); + } + location inserting_def("internal", std::move(inserting_reg)); + if(const auto inlinetable = parse_inline_table<Value>(inserting_def, 0)) + { + // check if we are overwriting existing table. + // ```toml + // # NG + // a.b = 42 + // a = {d = 3.14} + // ``` + // Inserting an inline table to a existing super-table is not allowed in + // any case. If we found it, we can reject it without further checking. + return false; + } + + // Valid and invalid cases when inserting to the [a.b] table: + // + // ## Invalid + // + // ```toml + // # invalid + // [a] + // b.c.d = "foo" + // [a.b] # a.b is already defined and closed + // d = "bar" + // ``` + // ```toml + // # invalid + // a = {b.c.d = "foo"} + // [a.b] # a is already defined and inline table is closed + // d = "bar" + // ``` + // ```toml + // # invalid + // a.b.c.d = "foo" + // [a.b] # a.b is already defined and dotted-key table is closed + // d = "bar" + // ``` + // + // ## Valid + // + // ```toml + // # OK. a.b is defined, but is *overwritable* + // [a.b.c] + // d = "foo" + // [a.b] + // d = "bar" + // ``` + // ```toml + // # OK. a.b is defined, but is *overwritable* + // [a] + // b.c.d = "foo" + // b.e = "bar" + // ``` + + // ------------------------------------------------------------------------ + // check table defined before + + std::string internal = ""; + if(const auto ptr = detail::get_region(fwd)) + { + internal = ptr->str(); + } + location def("internal", std::move(internal)); + if(const auto tabkeys = parse_table_key(def)) // [table.key] + { + // table keys always contains all the nodes from the root. + const auto& tks = tabkeys.unwrap().first; + if(std::size_t(std::distance(key_first, key_last)) == tks.size() && + std::equal(tks.begin(), tks.end(), key_first)) + { + // the keys are equivalent. it is not allowed. + return false; + } + // the keys are not equivalent. it is allowed. + return true; + } + // nested array-of-table definition implicitly defines tables. + // those tables can be reopened. + if(const auto atabkeys = parse_array_table_key(def)) + { + // table keys always contains all the nodes from the root. + const auto& tks = atabkeys.unwrap().first; + if(std::size_t(std::distance(key_first, key_last)) == tks.size() && + std::equal(tks.begin(), tks.end(), key_first)) + { + // the keys are equivalent. it is not allowed. + return false; + } + // the keys are not equivalent. it is allowed. + return true; + } + if(const auto dotkeys = parse_key(def)) // a.b.c = "foo" + { + // consider the following case. + // [a] + // b.c = {d = 42} + // [a.b.c] + // e = 2.71 + // this defines the table [a.b.c] twice. no? + if(const auto reopening_dotkey_by_table = parse_table_key(inserting_def)) + { + // re-opening a dotkey-defined table by a table is invalid. + // only dotkey can append a key-val. Like: + // ```toml + // a.b.c = "foo" + // a.b.d = "bar" # OK. reopen `a.b` by dotkey + // [a.b] + // e = "bar" # Invalid. re-opening `a.b` by [a.b] is not allowed. + // ``` + return false; + } + + // a dotted key starts from the node representing a table in which the + // dotted key belongs to. + const auto& dks = dotkeys.unwrap().first; + if(std::size_t(std::distance(key_curr, key_last)) == dks.size() && + std::equal(dks.begin(), dks.end(), key_curr)) + { + // the keys are equivalent. it is not allowed. + return false; + } + // the keys are not equivalent. it is allowed. + return true; + } + return false; +} + +template<typename Value, typename InputIterator> +result<bool, std::string> +insert_nested_key(typename Value::table_type& root, const Value& v, + InputIterator iter, const InputIterator last, + region key_reg, + const bool is_array_of_table = false) +{ + static_assert(std::is_same<key, + typename std::iterator_traits<InputIterator>::value_type>::value,""); + + using value_type = Value; + using table_type = typename value_type::table_type; + using array_type = typename value_type::array_type; + + const auto first = iter; + assert(iter != last); + + table_type* tab = std::addressof(root); + for(; iter != last; ++iter) // search recursively + { + const key& k = *iter; + if(std::next(iter) == last) // k is the last key + { + // XXX if the value is array-of-tables, there can be several + // tables that are in the same array. in that case, we need to + // find the last element and insert it to there. + if(is_array_of_table) + { + if(tab->count(k) == 1) // there is already an array of table + { + if(tab->at(k).is_table()) + { + // show special err msg for conflicting table + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: array of table (\"", + format_dotted_keys(first, last), + "\") cannot be defined"), { + {tab->at(k).location(), "table already defined"}, + {v.location(), "this conflicts with the previous table"} + }), v.location()); + } + else if(!(tab->at(k).is_array())) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: array of table (\"", + format_dotted_keys(first, last), "\") collides with" + " existing value"), { + {tab->at(k).location(), + concat_to_string("this ", tab->at(k).type(), + " value already exists")}, + {v.location(), + "while inserting this array-of-tables"} + }), v.location()); + } + // the above if-else-if checks tab->at(k) is an array + auto& a = tab->at(k).as_array(); + // If table element is defined as [[array_of_tables]], it + // cannot be an empty array. If an array of tables is + // defined as `aot = []`, it cannot be appended. + if(a.empty() || !(a.front().is_table())) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: array of table (\"", + format_dotted_keys(first, last), "\") collides with" + " existing value"), { + {tab->at(k).location(), + concat_to_string("this ", tab->at(k).type(), + " value already exists")}, + {v.location(), + "while inserting this array-of-tables"} + }), v.location()); + } + // avoid conflicting array of table like the following. + // ```toml + // a = [{b = 42}] # define a as an array of *inline* tables + // [[a]] # a is an array of *multi-line* tables + // b = 54 + // ``` + // Here, from the type information, these cannot be detected + // because inline table is also a table. + // But toml v0.5.0 explicitly says it is invalid. The above + // array-of-tables has a static size and appending to the + // array is invalid. + // In this library, multi-line table value has a region + // that points to the key of the table (e.g. [[a]]). By + // comparing the first two letters in key, we can detect + // the array-of-table is inline or multiline. + if(const auto ptr = detail::get_region(a.front())) + { + if(ptr->str().substr(0,2) != "[[") + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: array of table (\"", + format_dotted_keys(first, last), "\") collides " + "with existing array-of-tables"), { + {tab->at(k).location(), + concat_to_string("this ", tab->at(k).type(), + " value has static size")}, + {v.location(), + "appending it to the statically sized array"} + }), v.location()); + } + } + a.push_back(v); + return ok(true); + } + else // if not, we need to create the array of table + { + // XXX: Consider the following array of tables. + // ```toml + // # This is a comment. + // [[aot]] + // foo = "bar" + // ``` + // Here, the comment is for `aot`. But here, actually two + // values are defined. An array that contains tables, named + // `aot`, and the 0th element of the `aot`, `{foo = "bar"}`. + // Those two are different from each other. But both of them + // points to the same portion of the TOML file, `[[aot]]`, + // so `key_reg.comments()` returns `# This is a comment`. + // If it is assigned as a comment of `aot` defined here, the + // comment will be duplicated. Both the `aot` itself and + // the 0-th element will have the same comment. This causes + // "duplication of the same comments" bug when the data is + // serialized. + // Next, consider the following. + // ```toml + // # comment 1 + // aot = [ + // # comment 2 + // {foo = "bar"}, + // ] + // ``` + // In this case, we can distinguish those two comments. So + // here we need to add "comment 1" to the `aot` and + // "comment 2" to the 0th element of that. + // To distinguish those two, we check the key region. + std::vector<std::string> comments{/* empty by default */}; + if(key_reg.str().substr(0, 2) != "[[") + { + comments = key_reg.comments(); + } + value_type aot(array_type(1, v), key_reg, std::move(comments)); + tab->insert(std::make_pair(k, aot)); + return ok(true); + } + } // end if(array of table) + + if(tab->count(k) == 1) + { + if(tab->at(k).is_table() && v.is_table()) + { + if(!is_valid_forward_table_definition( + tab->at(k), v, first, iter, last)) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: table (\"", + format_dotted_keys(first, last), + "\") already exists."), { + {tab->at(k).location(), "table already exists here"}, + {v.location(), "table defined twice"} + }), v.location()); + } + // to allow the following toml file. + // [a.b.c] + // d = 42 + // [a] + // e = 2.71 + auto& t = tab->at(k).as_table(); + for(const auto& kv : v.as_table()) + { + if(tab->at(k).contains(kv.first)) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: value (\"", + format_dotted_keys(first, last), + "\") already exists."), { + {t.at(kv.first).location(), "already exists here"}, + {v.location(), "this defined twice"} + }), v.location()); + } + t[kv.first] = kv.second; + } + detail::change_region(tab->at(k), key_reg); + return ok(true); + } + else if(v.is_table() && + tab->at(k).is_array() && + tab->at(k).as_array().size() > 0 && + tab->at(k).as_array().front().is_table()) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: array of tables (\"", + format_dotted_keys(first, last), "\") already exists."), { + {tab->at(k).location(), "array of tables defined here"}, + {v.location(), "table conflicts with the previous array of table"} + }), v.location()); + } + else + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: value (\"", + format_dotted_keys(first, last), "\") already exists."), { + {tab->at(k).location(), "value already exists here"}, + {v.location(), "value defined twice"} + }), v.location()); + } + } + tab->insert(std::make_pair(k, v)); + return ok(true); + } + else // k is not the last one, we should insert recursively + { + // if there is no corresponding value, insert it first. + // related: you don't need to write + // # [x] + // # [x.y] + // to write + // [x.y.z] + if(tab->count(k) == 0) + { + // a table that is defined implicitly doesn't have any comments. + (*tab)[k] = value_type(table_type{}, key_reg, {/*no comment*/}); + } + + // type checking... + if(tab->at(k).is_table()) + { + // According to toml-lang/toml:36d3091b3 "Clarify that inline + // tables are immutable", check if it adds key-value pair to an + // inline table. + if(const auto* ptr = get_region(tab->at(k))) + { + // here, if the value is a (multi-line) table, the region + // should be something like `[table-name]`. + if(ptr->front() == '{') + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: inserting to an inline table (", + format_dotted_keys(first, std::next(iter)), + ") but inline tables are immutable"), { + {tab->at(k).location(), "inline tables are immutable"}, + {v.location(), "inserting this"} + }), v.location()); + } + } + tab = std::addressof((*tab)[k].as_table()); + } + else if(tab->at(k).is_array()) // inserting to array-of-tables? + { + auto& a = (*tab)[k].as_array(); + if(!a.back().is_table()) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: target (", + format_dotted_keys(first, std::next(iter)), + ") is neither table nor an array of tables"), { + {a.back().location(), concat_to_string( + "actual type is ", a.back().type())}, + {v.location(), "inserting this"} + }), v.location()); + } + if(a.empty()) + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: table (\"", + format_dotted_keys(first, last), "\") conflicts with" + " existing value"), { + {tab->at(k).location(), std::string("this array is not insertable")}, + {v.location(), std::string("appending it to the statically sized array")} + }), v.location()); + } + if(const auto ptr = detail::get_region(a.at(0))) + { + if(ptr->str().substr(0,2) != "[[") + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: a table (\"", + format_dotted_keys(first, last), "\") cannot be " + "inserted to an existing inline array-of-tables"), { + {tab->at(k).location(), std::string("this array of table has a static size")}, + {v.location(), std::string("appending it to the statically sized array")} + }), v.location()); + } + } + tab = std::addressof(a.back().as_table()); + } + else + { + throw syntax_error(format_underline(concat_to_string( + "toml::insert_value: target (", + format_dotted_keys(first, std::next(iter)), + ") is neither table nor an array of tables"), { + {tab->at(k).location(), concat_to_string( + "actual type is ", tab->at(k).type())}, + {v.location(), "inserting this"} + }), v.location()); + } + } + } + return err(std::string("toml::detail::insert_nested_key: never reach here")); +} + +template<typename Value> +result<std::pair<typename Value::table_type, region>, std::string> +parse_inline_table(location& loc, const std::size_t n_rec) +{ + using value_type = Value; + using table_type = typename value_type::table_type; + + if(n_rec > TOML11_VALUE_RECURSION_LIMIT) + { + throw syntax_error(std::string("toml::parse_inline_table: recursion limit (" + TOML11_STRINGIZE(TOML11_VALUE_RECURSION_LIMIT) ") exceeded"), + source_location(loc)); + } + + const auto first = loc.iter(); + table_type retval; + if(!(loc.iter() != loc.end() && *loc.iter() == '{')) + { + return err(format_underline("toml::parse_inline_table: ", + {{source_location(loc), "the next token is not an inline table"}})); + } + loc.advance(); + + // check if the inline table is an empty table = { } + maybe<lex_ws>::invoke(loc); + if(loc.iter() != loc.end() && *loc.iter() == '}') + { + loc.advance(); // skip `}` + return ok(std::make_pair(retval, region(loc, first, loc.iter()))); + } + + // it starts from "{". it should be formatted as inline-table + while(loc.iter() != loc.end()) + { + const auto kv_r = parse_key_value_pair<value_type>(loc, n_rec+1); + if(!kv_r) + { + return err(kv_r.unwrap_err()); + } + + const auto& kvpair = kv_r.unwrap(); + const std::vector<key>& keys = kvpair.first.first; + const auto& key_reg = kvpair.first.second; + const value_type& val = kvpair.second; + + const auto inserted = + insert_nested_key(retval, val, keys.begin(), keys.end(), key_reg); + if(!inserted) + { + throw internal_error("toml::parse_inline_table: " + "failed to insert value into table: " + inserted.unwrap_err(), + source_location(loc)); + } + + using lex_table_separator = sequence<maybe<lex_ws>, character<','>>; + const auto sp = lex_table_separator::invoke(loc); + + if(!sp) + { + maybe<lex_ws>::invoke(loc); + + if(loc.iter() == loc.end()) + { + throw syntax_error(format_underline( + "toml::parse_inline_table: missing table separator `}` ", + {{source_location(loc), "should be `}`"}}), + source_location(loc)); + } + else if(*loc.iter() == '}') + { + loc.advance(); // skip `}` + return ok(std::make_pair( + retval, region(loc, first, loc.iter()))); + } + else if(*loc.iter() == '#' || *loc.iter() == '\r' || *loc.iter() == '\n') + { + throw syntax_error(format_underline( + "toml::parse_inline_table: missing curly brace `}`", + {{source_location(loc), "should be `}`"}}), + source_location(loc)); + } + else + { + throw syntax_error(format_underline( + "toml::parse_inline_table: missing table separator `,` ", + {{source_location(loc), "should be `,`"}}), + source_location(loc)); + } + } + else // `,` is found + { + maybe<lex_ws>::invoke(loc); + if(loc.iter() != loc.end() && *loc.iter() == '}') + { + throw syntax_error(format_underline( + "toml::parse_inline_table: trailing comma is not allowed in" + " an inline table", + {{source_location(loc), "should be `}`"}}), + source_location(loc)); + } + } + } + loc.reset(first); + throw syntax_error(format_underline("toml::parse_inline_table: " + "inline table did not closed by `}`", + {{source_location(loc), "should be closed"}}), + source_location(loc)); +} + +inline result<value_t, std::string> guess_number_type(const location& l) +{ + // This function tries to find some (common) mistakes by checking characters + // that follows the last character of a value. But it is often difficult + // because some non-newline characters can appear after a value. E.g. + // spaces, tabs, commas (in an array or inline table), closing brackets + // (of an array or inline table), comment-sign (#). Since this function + // does not parse further, those characters are always allowed to be there. + location loc = l; + + if(lex_offset_date_time::invoke(loc)) {return ok(value_t::offset_datetime);} + loc.reset(l.iter()); + + if(lex_local_date_time::invoke(loc)) + { + // bad offset may appear after this. + if(loc.iter() != loc.end() && (*loc.iter() == '+' || *loc.iter() == '-' + || *loc.iter() == 'Z' || *loc.iter() == 'z')) + { + return err(format_underline("bad offset: should be [+-]HH:MM or Z", + {{source_location(loc), "[+-]HH:MM or Z"}}, + {"pass: +09:00, -05:30", "fail: +9:00, -5:30"})); + } + return ok(value_t::local_datetime); + } + loc.reset(l.iter()); + + if(lex_local_date::invoke(loc)) + { + // bad time may appear after this. + // A space is allowed as a delimiter between local time. But there are + // both cases in which a space becomes valid or invalid. + // - invalid: 2019-06-16 7:00:00 + // - valid : 2019-06-16 07:00:00 + if(loc.iter() != loc.end()) + { + const auto c = *loc.iter(); + if(c == 'T' || c == 't') + { + return err(format_underline("bad time: should be HH:MM:SS.subsec", + {{source_location(loc), "HH:MM:SS.subsec"}}, + {"pass: 1979-05-27T07:32:00, 1979-05-27 07:32:00.999999", + "fail: 1979-05-27T7:32:00, 1979-05-27 17:32"})); + } + if('0' <= c && c <= '9') + { + return err(format_underline("bad time: missing T", + {{source_location(loc), "T or space required here"}}, + {"pass: 1979-05-27T07:32:00, 1979-05-27 07:32:00.999999", + "fail: 1979-05-27T7:32:00, 1979-05-27 7:32"})); + } + if(c == ' ' && std::next(loc.iter()) != loc.end() && + ('0' <= *std::next(loc.iter()) && *std::next(loc.iter())<= '9')) + { + loc.advance(); + return err(format_underline("bad time: should be HH:MM:SS.subsec", + {{source_location(loc), "HH:MM:SS.subsec"}}, + {"pass: 1979-05-27T07:32:00, 1979-05-27 07:32:00.999999", + "fail: 1979-05-27T7:32:00, 1979-05-27 7:32"})); + } + } + return ok(value_t::local_date); + } + loc.reset(l.iter()); + + if(lex_local_time::invoke(loc)) {return ok(value_t::local_time);} + loc.reset(l.iter()); + + if(lex_float::invoke(loc)) + { + if(loc.iter() != loc.end() && *loc.iter() == '_') + { + return err(format_underline("bad float: `_` should be surrounded by digits", + {{source_location(loc), "here"}}, + {"pass: +1.0, -2e-2, 3.141_592_653_589, inf, nan", + "fail: .0, 1., _1.0, 1.0_, 1_.0, 1.0__0"})); + } + return ok(value_t::floating); + } + loc.reset(l.iter()); + + if(lex_integer::invoke(loc)) + { + if(loc.iter() != loc.end()) + { + const auto c = *loc.iter(); + if(c == '_') + { + return err(format_underline("bad integer: `_` should be surrounded by digits", + {{source_location(loc), "here"}}, + {"pass: -42, 1_000, 1_2_3_4_5, 0xC0FFEE, 0b0010, 0o755", + "fail: 1__000, 0123"})); + } + if('0' <= c && c <= '9') + { + // leading zero. point '0' + loc.retrace(); + return err(format_underline("bad integer: leading zero", + {{source_location(loc), "here"}}, + {"pass: -42, 1_000, 1_2_3_4_5, 0xC0FFEE, 0b0010, 0o755", + "fail: 1__000, 0123"})); + } + if(c == ':' || c == '-') + { + return err(format_underline("bad datetime: invalid format", + {{source_location(loc), "here"}}, + {"pass: 1979-05-27T07:32:00-07:00, 1979-05-27 07:32:00.999999Z", + "fail: 1979-05-27T7:32:00-7:00, 1979-05-27 7:32-00:30"})); + } + if(c == '.' || c == 'e' || c == 'E') + { + return err(format_underline("bad float: invalid format", + {{source_location(loc), "here"}}, + {"pass: +1.0, -2e-2, 3.141_592_653_589, inf, nan", + "fail: .0, 1., _1.0, 1.0_, 1_.0, 1.0__0"})); + } + } + return ok(value_t::integer); + } + if(loc.iter() != loc.end() && *loc.iter() == '.') + { + return err(format_underline("bad float: invalid format", + {{source_location(loc), "integer part required before this"}}, + {"pass: +1.0, -2e-2, 3.141_592_653_589, inf, nan", + "fail: .0, 1., _1.0, 1.0_, 1_.0, 1.0__0"})); + } + if(loc.iter() != loc.end() && *loc.iter() == '_') + { + return err(format_underline("bad number: `_` should be surrounded by digits", + {{source_location(loc), "`_` is not surrounded by digits"}}, + {"pass: -42, 1_000, 1_2_3_4_5, 0xC0FFEE, 0b0010, 0o755", + "fail: 1__000, 0123"})); + } + return err(format_underline("bad format: unknown value appeared", + {{source_location(loc), "here"}})); +} + +inline result<value_t, std::string> guess_value_type(const location& loc) +{ + switch(*loc.iter()) + { + case '"' : {return ok(value_t::string); } + case '\'': {return ok(value_t::string); } + case 't' : {return ok(value_t::boolean); } + case 'f' : {return ok(value_t::boolean); } + case '[' : {return ok(value_t::array); } + case '{' : {return ok(value_t::table); } + case 'i' : {return ok(value_t::floating);} // inf. + case 'n' : {return ok(value_t::floating);} // nan. + default : {return guess_number_type(loc);} + } +} + +template<typename Value, typename T> +result<Value, std::string> +parse_value_helper(result<std::pair<T, region>, std::string> rslt) +{ + if(rslt.is_ok()) + { + auto comments = rslt.as_ok().second.comments(); + return ok(Value(std::move(rslt.as_ok()), std::move(comments))); + } + else + { + return err(std::move(rslt.as_err())); + } +} + +template<typename Value> +result<Value, std::string> parse_value(location& loc, const std::size_t n_rec) +{ + const auto first = loc.iter(); + if(first == loc.end()) + { + return err(format_underline("toml::parse_value: input is empty", + {{source_location(loc), ""}})); + } + + const auto type = guess_value_type(loc); + if(!type) + { + return err(type.unwrap_err()); + } + + switch(type.unwrap()) + { + case value_t::boolean : {return parse_value_helper<Value>(parse_boolean(loc) );} + case value_t::integer : {return parse_value_helper<Value>(parse_integer(loc) );} + case value_t::floating : {return parse_value_helper<Value>(parse_floating(loc) );} + case value_t::string : {return parse_value_helper<Value>(parse_string(loc) );} + case value_t::offset_datetime: {return parse_value_helper<Value>(parse_offset_datetime(loc) );} + case value_t::local_datetime : {return parse_value_helper<Value>(parse_local_datetime(loc) );} + case value_t::local_date : {return parse_value_helper<Value>(parse_local_date(loc) );} + case value_t::local_time : {return parse_value_helper<Value>(parse_local_time(loc) );} + case value_t::array : {return parse_value_helper<Value>(parse_array<Value>(loc, n_rec));} + case value_t::table : {return parse_value_helper<Value>(parse_inline_table<Value>(loc, n_rec));} + default: + { + const auto msg = format_underline("toml::parse_value: " + "unknown token appeared", {{source_location(loc), "unknown"}}); + loc.reset(first); + return err(msg); + } + } +} + +inline result<std::pair<std::vector<key>, region>, std::string> +parse_table_key(location& loc) +{ + if(auto token = lex_std_table::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + + const auto open = lex_std_table_open::invoke(inner_loc); + if(!open || inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "toml::parse_table_key: no `[`", + {{source_location(inner_loc), "should be `[`"}}), + source_location(inner_loc)); + } + // to skip [ a . b . c ] + // ^----------- this whitespace + lex_ws::invoke(inner_loc); + const auto keys = parse_key(inner_loc); + if(!keys) + { + throw internal_error(format_underline( + "toml::parse_table_key: invalid key", + {{source_location(inner_loc), "not key"}}), + source_location(inner_loc)); + } + // to skip [ a . b . c ] + // ^-- this whitespace + lex_ws::invoke(inner_loc); + const auto close = lex_std_table_close::invoke(inner_loc); + if(!close) + { + throw internal_error(format_underline( + "toml::parse_table_key: no `]`", + {{source_location(inner_loc), "should be `]`"}}), + source_location(inner_loc)); + } + + // after [table.key], newline or EOF(empty table) required. + if(loc.iter() != loc.end()) + { + using lex_newline_after_table_key = + sequence<maybe<lex_ws>, maybe<lex_comment>, lex_newline>; + const auto nl = lex_newline_after_table_key::invoke(loc); + if(!nl) + { + throw syntax_error(format_underline( + "toml::parse_table_key: newline required after [table.key]", + {{source_location(loc), "expected newline"}}), + source_location(loc)); + } + } + return ok(std::make_pair(keys.unwrap().first, token.unwrap())); + } + else + { + return err(format_underline("toml::parse_table_key: " + "not a valid table key", {{source_location(loc), "here"}})); + } +} + +inline result<std::pair<std::vector<key>, region>, std::string> +parse_array_table_key(location& loc) +{ + if(auto token = lex_array_table::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + + const auto open = lex_array_table_open::invoke(inner_loc); + if(!open || inner_loc.iter() == inner_loc.end()) + { + throw internal_error(format_underline( + "toml::parse_array_table_key: no `[[`", + {{source_location(inner_loc), "should be `[[`"}}), + source_location(inner_loc)); + } + lex_ws::invoke(inner_loc); + const auto keys = parse_key(inner_loc); + if(!keys) + { + throw internal_error(format_underline( + "toml::parse_array_table_key: invalid key", + {{source_location(inner_loc), "not a key"}}), + source_location(inner_loc)); + } + lex_ws::invoke(inner_loc); + const auto close = lex_array_table_close::invoke(inner_loc); + if(!close) + { + throw internal_error(format_underline( + "toml::parse_array_table_key: no `]]`", + {{source_location(inner_loc), "should be `]]`"}}), + source_location(inner_loc)); + } + + // after [[table.key]], newline or EOF(empty table) required. + if(loc.iter() != loc.end()) + { + using lex_newline_after_table_key = + sequence<maybe<lex_ws>, maybe<lex_comment>, lex_newline>; + const auto nl = lex_newline_after_table_key::invoke(loc); + if(!nl) + { + throw syntax_error(format_underline("toml::" + "parse_array_table_key: newline required after [[table.key]]", + {{source_location(loc), "expected newline"}}), + source_location(loc)); + } + } + return ok(std::make_pair(keys.unwrap().first, token.unwrap())); + } + else + { + return err(format_underline("toml::parse_array_table_key: " + "not a valid table key", {{source_location(loc), "here"}})); + } +} + +// parse table body (key-value pairs until the iter hits the next [tablekey]) +template<typename Value> +result<typename Value::table_type, std::string> +parse_ml_table(location& loc) +{ + using value_type = Value; + using table_type = typename value_type::table_type; + + const auto first = loc.iter(); + if(first == loc.end()) + { + return ok(table_type{}); + } + + // XXX at lest one newline is needed. + using skip_line = repeat< + sequence<maybe<lex_ws>, maybe<lex_comment>, lex_newline>, at_least<1>>; + skip_line::invoke(loc); + lex_ws::invoke(loc); + + table_type tab; + while(loc.iter() != loc.end()) + { + lex_ws::invoke(loc); + const auto before = loc.iter(); + if(const auto tmp = parse_array_table_key(loc)) // next table found + { + loc.reset(before); + return ok(tab); + } + if(const auto tmp = parse_table_key(loc)) // next table found + { + loc.reset(before); + return ok(tab); + } + + if(const auto kv = parse_key_value_pair<value_type>(loc, 0)) + { + const auto& kvpair = kv.unwrap(); + const std::vector<key>& keys = kvpair.first.first; + const auto& key_reg = kvpair.first.second; + const value_type& val = kvpair.second; + const auto inserted = + insert_nested_key(tab, val, keys.begin(), keys.end(), key_reg); + if(!inserted) + { + return err(inserted.unwrap_err()); + } + } + else + { + return err(kv.unwrap_err()); + } + + // comment lines are skipped by the above function call. + // However, since the `skip_line` requires at least 1 newline, it fails + // if the file ends with ws and/or comment without newline. + // `skip_line` matches `ws? + comment? + newline`, not `ws` or `comment` + // itself. To skip the last ws and/or comment, call lexers. + // It does not matter if these fails, so the return value is discarded. + lex_ws::invoke(loc); + lex_comment::invoke(loc); + + // skip_line is (whitespace? comment? newline)_{1,}. multiple empty lines + // and comments after the last key-value pairs are allowed. + const auto newline = skip_line::invoke(loc); + if(!newline && loc.iter() != loc.end()) + { + const auto before2 = loc.iter(); + lex_ws::invoke(loc); // skip whitespace + const auto msg = format_underline("toml::parse_table: " + "invalid line format", {{source_location(loc), concat_to_string( + "expected newline, but got '", show_char(*loc.iter()), "'.")}}); + loc.reset(before2); + return err(msg); + } + + // the skip_lines only matches with lines that includes newline. + // to skip the last line that includes comment and/or whitespace + // but no newline, call them one more time. + lex_ws::invoke(loc); + lex_comment::invoke(loc); + } + return ok(tab); +} + +template<typename Value> +result<Value, std::string> parse_toml_file(location& loc) +{ + using value_type = Value; + using table_type = typename value_type::table_type; + + const auto first = loc.iter(); + if(first == loc.end()) + { + // For empty files, return an empty table with an empty region (zero-length). + // Without the region, error messages would miss the filename. + return ok(value_type(table_type{}, region(loc, first, first), {})); + } + + // put the first line as a region of a file + // Here first != loc.end(), so taking std::next is okay + const region file(loc, first, std::next(loc.iter())); + + // The first successive comments that are separated from the first value + // by an empty line are for a file itself. + // ```toml + // # this is a comment for a file. + // + // key = "the first value" + // ``` + // ```toml + // # this is a comment for "the first value". + // key = "the first value" + // ``` + std::vector<std::string> comments; + using lex_first_comments = sequence< + repeat<sequence<maybe<lex_ws>, lex_comment, lex_newline>, at_least<1>>, + sequence<maybe<lex_ws>, lex_newline> + >; + if(const auto token = lex_first_comments::invoke(loc)) + { + location inner_loc(loc.name(), token.unwrap().str()); + while(inner_loc.iter() != inner_loc.end()) + { + maybe<lex_ws>::invoke(inner_loc); // remove ws if exists + if(lex_newline::invoke(inner_loc)) + { + assert(inner_loc.iter() == inner_loc.end()); + break; // empty line found. + } + auto com = lex_comment::invoke(inner_loc).unwrap().str(); + com.erase(com.begin()); // remove # sign + comments.push_back(std::move(com)); + lex_newline::invoke(inner_loc); + } + } + + table_type data; + // root object is also a table, but without [tablename] + if(const auto tab = parse_ml_table<value_type>(loc)) + { + data = std::move(tab.unwrap()); + } + else // failed (empty table is regarded as success in parse_ml_table) + { + return err(tab.unwrap_err()); + } + while(loc.iter() != loc.end()) + { + // here, the region of [table] is regarded as the table-key because + // the table body is normally too big and it is not so informative + // if the first key-value pair of the table is shown in the error + // message. + if(const auto tabkey = parse_array_table_key(loc)) + { + const auto tab = parse_ml_table<value_type>(loc); + if(!tab){return err(tab.unwrap_err());} + + const auto& tk = tabkey.unwrap(); + const auto& keys = tk.first; + const auto& reg = tk.second; + + const auto inserted = insert_nested_key(data, + value_type(tab.unwrap(), reg, reg.comments()), + keys.begin(), keys.end(), reg, + /*is_array_of_table=*/ true); + if(!inserted) {return err(inserted.unwrap_err());} + + continue; + } + if(const auto tabkey = parse_table_key(loc)) + { + const auto tab = parse_ml_table<value_type>(loc); + if(!tab){return err(tab.unwrap_err());} + + const auto& tk = tabkey.unwrap(); + const auto& keys = tk.first; + const auto& reg = tk.second; + + const auto inserted = insert_nested_key(data, + value_type(tab.unwrap(), reg, reg.comments()), + keys.begin(), keys.end(), reg); + if(!inserted) {return err(inserted.unwrap_err());} + + continue; + } + return err(format_underline("toml::parse_toml_file: " + "unknown line appeared", {{source_location(loc), "unknown format"}})); + } + + return ok(Value(std::move(data), file, comments)); +} + +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> +parse(std::vector<char>& letters, const std::string& fname) +{ + using value_type = basic_value<Comment, Table, Array>; + + // append LF. + // Although TOML does not require LF at the EOF, to make parsing logic + // simpler, we "normalize" the content by adding LF if it does not exist. + // It also checks if the last char is CR, to avoid changing the meaning. + // This is not the *best* way to deal with the last character, but is a + // simple and quick fix. + if(!letters.empty() && letters.back() != '\n' && letters.back() != '\r') + { + letters.push_back('\n'); + } + + detail::location loc(std::move(fname), std::move(letters)); + + // skip BOM if exists. + // XXX component of BOM (like 0xEF) exceeds the representable range of + // signed char, so on some (actually, most) of the environment, these cannot + // be compared to char. However, since we are always out of luck, we need to + // check our chars are equivalent to BOM. To do this, first we need to + // convert char to unsigned char to guarantee the comparability. + if(loc.source()->size() >= 3) + { + std::array<unsigned char, 3> BOM; + std::memcpy(BOM.data(), loc.source()->data(), 3); + if(BOM[0] == 0xEF && BOM[1] == 0xBB && BOM[2] == 0xBF) + { + loc.advance(3); // BOM found. skip. + } + } + + if (auto data = detail::parse_toml_file<value_type>(loc)) + { + return std::move(data).unwrap(); + } + else + { + throw syntax_error(std::move(data).unwrap_err(), source_location(loc)); + } +} + +} // detail + +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> +parse(FILE * file, const std::string& fname) +{ + const long beg = std::ftell(file); + if (beg == -1l) + { + throw file_io_error(errno, "Failed to access", fname); + } + + const int res_seekend = std::fseek(file, 0, SEEK_END); + if (res_seekend != 0) + { + throw file_io_error(errno, "Failed to seek", fname); + } + + const long end = std::ftell(file); + if (end == -1l) + { + throw file_io_error(errno, "Failed to access", fname); + } + + const auto fsize = end - beg; + + const auto res_seekbeg = std::fseek(file, beg, SEEK_SET); + if (res_seekbeg != 0) + { + throw file_io_error(errno, "Failed to seek", fname); + } + + // read whole file as a sequence of char + assert(fsize >= 0); + std::vector<char> letters(static_cast<std::size_t>(fsize)); + std::fread(letters.data(), sizeof(char), static_cast<std::size_t>(fsize), file); + + return detail::parse<Comment, Table, Array>(letters, fname); +} + +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> +parse(std::istream& is, std::string fname = "unknown file") +{ + const auto beg = is.tellg(); + is.seekg(0, std::ios::end); + const auto end = is.tellg(); + const auto fsize = end - beg; + is.seekg(beg); + + // read whole file as a sequence of char + assert(fsize >= 0); + std::vector<char> letters(static_cast<std::size_t>(fsize)); + is.read(letters.data(), fsize); + + return detail::parse<Comment, Table, Array>(letters, fname); +} + +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> parse(std::string fname) +{ + std::ifstream ifs(fname, std::ios_base::binary); + if(!ifs.good()) + { + throw std::ios_base::failure( + "toml::parse: Error opening file \"" + fname + "\""); + } + ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit); + return parse<Comment, Table, Array>(ifs, std::move(fname)); +} + +#ifdef TOML11_HAS_STD_FILESYSTEM +// This function just forwards `parse("filename.toml")` to std::string version +// to avoid the ambiguity in overload resolution. +// +// Both std::string and std::filesystem::path are convertible from const char*. +// Without this, both parse(std::string) and parse(std::filesystem::path) +// matches to parse("filename.toml"). This breaks the existing code. +// +// This function exactly matches to the invocation with c-string. +// So this function is preferred than others and the ambiguity disappears. +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> parse(const char* fname) +{ + return parse<Comment, Table, Array>(std::string(fname)); +} + +template<typename Comment = TOML11_DEFAULT_COMMENT_STRATEGY, + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +basic_value<Comment, Table, Array> parse(const std::filesystem::path& fpath) +{ + std::ifstream ifs(fpath, std::ios_base::binary); + if(!ifs.good()) + { + throw std::ios_base::failure( + "toml::parse: Error opening file \"" + fpath.string() + "\""); + } + ifs.exceptions(std::ifstream::failbit | std::ifstream::badbit); + return parse<Comment, Table, Array>(ifs, fpath.string()); +} +#endif // TOML11_HAS_STD_FILESYSTEM + +} // toml +#endif// TOML11_PARSER_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/region.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,416 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_REGION_HPP +#define TOML11_REGION_HPP +#include <memory> +#include <vector> +#include <algorithm> +#include <initializer_list> +#include <iterator> +#include <iomanip> +#include <cassert> +#include "color.hpp" + +namespace toml +{ +namespace detail +{ + +// helper function to avoid std::string(0, 'c') or std::string(iter, iter) +template<typename Iterator> +std::string make_string(Iterator first, Iterator last) +{ + if(first == last) {return "";} + return std::string(first, last); +} +inline std::string make_string(std::size_t len, char c) +{ + if(len == 0) {return "";} + return std::string(len, c); +} + +// region_base is a base class of location and region that are defined below. +// it will be used to generate better error messages. +struct region_base +{ + region_base() = default; + virtual ~region_base() = default; + region_base(const region_base&) = default; + region_base(region_base&& ) = default; + region_base& operator=(const region_base&) = default; + region_base& operator=(region_base&& ) = default; + + virtual bool is_ok() const noexcept {return false;} + virtual char front() const noexcept {return '\0';} + + virtual std::string str() const {return std::string("unknown region");} + virtual std::string name() const {return std::string("unknown file");} + virtual std::string line() const {return std::string("unknown line");} + virtual std::string line_num() const {return std::string("?");} + + // length of the region + virtual std::size_t size() const noexcept {return 0;} + // number of characters in the line before the region + virtual std::size_t before() const noexcept {return 0;} + // number of characters in the line after the region + virtual std::size_t after() const noexcept {return 0;} + + virtual std::vector<std::string> comments() const {return {};} + // ```toml + // # comment_before + // key = "value" # comment_inline + // ``` +}; + +// location represents a position in a container, which contains a file content. +// it can be considered as a region that contains only one character. +// +// it contains pointer to the file content and iterator that points the current +// location. +struct location final : public region_base +{ + using const_iterator = typename std::vector<char>::const_iterator; + using difference_type = typename std::iterator_traits<const_iterator>::difference_type; + using source_ptr = std::shared_ptr<const std::vector<char>>; + + location(std::string source_name, std::vector<char> cont) + : source_(std::make_shared<std::vector<char>>(std::move(cont))), + line_number_(1), source_name_(std::move(source_name)), iter_(source_->cbegin()) + {} + location(std::string source_name, const std::string& cont) + : source_(std::make_shared<std::vector<char>>(cont.begin(), cont.end())), + line_number_(1), source_name_(std::move(source_name)), iter_(source_->cbegin()) + {} + + location(const location&) = default; + location(location&&) = default; + location& operator=(const location&) = default; + location& operator=(location&&) = default; + ~location() = default; + + bool is_ok() const noexcept override {return static_cast<bool>(source_);} + char front() const noexcept override {return *iter_;} + + // this const prohibits codes like `++(loc.iter())`. + std::add_const<const_iterator>::type iter() const noexcept {return iter_;} + + const_iterator begin() const noexcept {return source_->cbegin();} + const_iterator end() const noexcept {return source_->cend();} + + // XXX `location::line_num()` used to be implemented using `std::count` to + // count a number of '\n'. But with a long toml file (typically, 10k lines), + // it becomes intolerably slow because each time it generates error messages, + // it counts '\n' from thousands of characters. To workaround it, I decided + // to introduce `location::line_number_` member variable and synchronize it + // to the location changes the point to look. So an overload of `iter()` + // which returns mutable reference is removed and `advance()`, `retrace()` + // and `reset()` is added. + void advance(difference_type n = 1) noexcept + { + this->line_number_ += static_cast<std::size_t>( + std::count(this->iter_, std::next(this->iter_, n), '\n')); + this->iter_ += n; + return; + } + void retrace(difference_type n = 1) noexcept + { + this->line_number_ -= static_cast<std::size_t>( + std::count(std::prev(this->iter_, n), this->iter_, '\n')); + this->iter_ -= n; + return; + } + void reset(const_iterator rollback) noexcept + { + // since c++11, std::distance works in both ways for random-access + // iterators and returns a negative value if `first > last`. + if(0 <= std::distance(rollback, this->iter_)) // rollback < iter + { + this->line_number_ -= static_cast<std::size_t>( + std::count(rollback, this->iter_, '\n')); + } + else // iter < rollback [[unlikely]] + { + this->line_number_ += static_cast<std::size_t>( + std::count(this->iter_, rollback, '\n')); + } + this->iter_ = rollback; + return; + } + + std::string str() const override {return make_string(1, *this->iter());} + std::string name() const override {return source_name_;} + + std::string line_num() const override + { + return std::to_string(this->line_number_); + } + + std::string line() const override + { + return make_string(this->line_begin(), this->line_end()); + } + + const_iterator line_begin() const noexcept + { + using reverse_iterator = std::reverse_iterator<const_iterator>; + return std::find(reverse_iterator(this->iter()), + reverse_iterator(this->begin()), '\n').base(); + } + const_iterator line_end() const noexcept + { + return std::find(this->iter(), this->end(), '\n'); + } + + // location is always points a character. so the size is 1. + std::size_t size() const noexcept override + { + return 1u; + } + std::size_t before() const noexcept override + { + const auto sz = std::distance(this->line_begin(), this->iter()); + assert(sz >= 0); + return static_cast<std::size_t>(sz); + } + std::size_t after() const noexcept override + { + const auto sz = std::distance(this->iter(), this->line_end()); + assert(sz >= 0); + return static_cast<std::size_t>(sz); + } + + source_ptr const& source() const& noexcept {return source_;} + source_ptr&& source() && noexcept {return std::move(source_);} + + private: + + source_ptr source_; + std::size_t line_number_; + std::string source_name_; + const_iterator iter_; +}; + +// region represents a range in a container, which contains a file content. +// +// it contains pointer to the file content and iterator that points the first +// and last location. +struct region final : public region_base +{ + using const_iterator = typename std::vector<char>::const_iterator; + using source_ptr = std::shared_ptr<const std::vector<char>>; + + // delete default constructor. source_ never be null. + region() = delete; + + explicit region(const location& loc) + : source_(loc.source()), source_name_(loc.name()), + first_(loc.iter()), last_(loc.iter()) + {} + explicit region(location&& loc) + : source_(loc.source()), source_name_(loc.name()), + first_(loc.iter()), last_(loc.iter()) + {} + + region(const location& loc, const_iterator f, const_iterator l) + : source_(loc.source()), source_name_(loc.name()), first_(f), last_(l) + {} + region(location&& loc, const_iterator f, const_iterator l) + : source_(loc.source()), source_name_(loc.name()), first_(f), last_(l) + {} + + region(const region&) = default; + region(region&&) = default; + region& operator=(const region&) = default; + region& operator=(region&&) = default; + ~region() = default; + + region& operator+=(const region& other) + { + // different regions cannot be concatenated + assert(this->source_ == other.source_ && this->last_ == other.first_); + + this->last_ = other.last_; + return *this; + } + + bool is_ok() const noexcept override {return static_cast<bool>(source_);} + char front() const noexcept override {return *first_;} + + std::string str() const override {return make_string(first_, last_);} + std::string line() const override + { + if(this->contain_newline()) + { + return make_string(this->line_begin(), + std::find(this->line_begin(), this->last(), '\n')); + } + return make_string(this->line_begin(), this->line_end()); + } + std::string line_num() const override + { + return std::to_string(1 + std::count(this->begin(), this->first(), '\n')); + } + + std::size_t size() const noexcept override + { + const auto sz = std::distance(first_, last_); + assert(sz >= 0); + return static_cast<std::size_t>(sz); + } + std::size_t before() const noexcept override + { + const auto sz = std::distance(this->line_begin(), this->first()); + assert(sz >= 0); + return static_cast<std::size_t>(sz); + } + std::size_t after() const noexcept override + { + const auto sz = std::distance(this->last(), this->line_end()); + assert(sz >= 0); + return static_cast<std::size_t>(sz); + } + + bool contain_newline() const noexcept + { + return std::find(this->first(), this->last(), '\n') != this->last(); + } + + const_iterator line_begin() const noexcept + { + using reverse_iterator = std::reverse_iterator<const_iterator>; + return std::find(reverse_iterator(this->first()), + reverse_iterator(this->begin()), '\n').base(); + } + const_iterator line_end() const noexcept + { + return std::find(this->last(), this->end(), '\n'); + } + + const_iterator begin() const noexcept {return source_->cbegin();} + const_iterator end() const noexcept {return source_->cend();} + const_iterator first() const noexcept {return first_;} + const_iterator last() const noexcept {return last_;} + + source_ptr const& source() const& noexcept {return source_;} + source_ptr&& source() && noexcept {return std::move(source_);} + + std::string name() const override {return source_name_;} + + std::vector<std::string> comments() const override + { + // assuming the current region (`*this`) points a value. + // ```toml + // a = "value" + // ^^^^^^^- this region + // ``` + using rev_iter = std::reverse_iterator<const_iterator>; + + std::vector<std::string> com{}; + { + // find comments just before the current region. + // ```toml + // # this should be collected. + // # this also. + // a = value # not this. + // ``` + + // # this is a comment for `a`, not array elements. + // a = [1, 2, 3, 4, 5] + if(this->first() == std::find_if(this->line_begin(), this->first(), + [](const char c) noexcept -> bool {return c == '[' || c == '{';})) + { + auto iter = this->line_begin(); // points the first character + while(iter != this->begin()) + { + iter = std::prev(iter); + + // range [line_start, iter) represents the previous line + const auto line_start = std::find( + rev_iter(iter), rev_iter(this->begin()), '\n').base(); + const auto comment_found = std::find(line_start, iter, '#'); + if(comment_found == iter) + { + break; // comment not found. + } + + // exclude the following case. + // > a = "foo" # comment // <-- this is not a comment for b but a. + // > b = "current value" + if(std::all_of(line_start, comment_found, + [](const char c) noexcept -> bool { + return c == ' ' || c == '\t'; + })) + { + // unwrap the first '#' by std::next. + auto s = make_string(std::next(comment_found), iter); + if(!s.empty() && s.back() == '\r') {s.pop_back();} + com.push_back(std::move(s)); + } + else + { + break; + } + iter = line_start; + } + } + } + + if(com.size() > 1) + { + std::reverse(com.begin(), com.end()); + } + + { + // find comments just after the current region. + // ```toml + // # not this. + // a = value # this one. + // a = [ # not this (technically difficult) + // + // ] # and this. + // ``` + // The reason why it's difficult is that it requires parsing in the + // following case. + // ```toml + // a = [ 10 # this comment is for `10`. not for `a` but `a[0]`. + // # ... + // ] # this is apparently a comment for a. + // + // b = [ + // 3.14 ] # there is no way to add a comment to `3.14` currently. + // + // c = [ + // 3.14 # do this if you need a comment here. + // ] + // ``` + const auto comment_found = + std::find(this->last(), this->line_end(), '#'); + if(comment_found != this->line_end()) // '#' found + { + // table = {key = "value"} # what is this for? + // the above comment is not for "value", but {key="value"}. + if(comment_found == std::find_if(this->last(), comment_found, + [](const char c) noexcept -> bool { + return !(c == ' ' || c == '\t' || c == ','); + })) + { + // unwrap the first '#' by std::next. + auto s = make_string(std::next(comment_found), this->line_end()); + if(!s.empty() && s.back() == '\r') {s.pop_back();} + com.push_back(std::move(s)); + } + } + } + return com; + } + + private: + + source_ptr source_; + std::string source_name_; + const_iterator first_, last_; +}; + +} // detail +} // toml +#endif// TOML11_REGION_H
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/result.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,717 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_RESULT_HPP +#define TOML11_RESULT_HPP +#include "traits.hpp" +#include <type_traits> +#include <stdexcept> +#include <utility> +#include <new> +#include <string> +#include <sstream> +#include <cassert> + +namespace toml +{ + +template<typename T> +struct success +{ + using value_type = T; + value_type value; + + explicit success(const value_type& v) + noexcept(std::is_nothrow_copy_constructible<value_type>::value) + : value(v) + {} + explicit success(value_type&& v) + noexcept(std::is_nothrow_move_constructible<value_type>::value) + : value(std::move(v)) + {} + + template<typename U> + explicit success(U&& v): value(std::forward<U>(v)) {} + + template<typename U> + explicit success(const success<U>& v): value(v.value) {} + template<typename U> + explicit success(success<U>&& v): value(std::move(v.value)) {} + + ~success() = default; + success(const success&) = default; + success(success&&) = default; + success& operator=(const success&) = default; + success& operator=(success&&) = default; +}; + +template<typename T> +struct failure +{ + using value_type = T; + value_type value; + + explicit failure(const value_type& v) + noexcept(std::is_nothrow_copy_constructible<value_type>::value) + : value(v) + {} + explicit failure(value_type&& v) + noexcept(std::is_nothrow_move_constructible<value_type>::value) + : value(std::move(v)) + {} + + template<typename U> + explicit failure(U&& v): value(std::forward<U>(v)) {} + + template<typename U> + explicit failure(const failure<U>& v): value(v.value) {} + template<typename U> + explicit failure(failure<U>&& v): value(std::move(v.value)) {} + + ~failure() = default; + failure(const failure&) = default; + failure(failure&&) = default; + failure& operator=(const failure&) = default; + failure& operator=(failure&&) = default; +}; + +template<typename T> +success<typename std::remove_cv<typename std::remove_reference<T>::type>::type> +ok(T&& v) +{ + return success< + typename std::remove_cv<typename std::remove_reference<T>::type>::type + >(std::forward<T>(v)); +} +template<typename T> +failure<typename std::remove_cv<typename std::remove_reference<T>::type>::type> +err(T&& v) +{ + return failure< + typename std::remove_cv<typename std::remove_reference<T>::type>::type + >(std::forward<T>(v)); +} + +inline success<std::string> ok(const char* literal) +{ + return success<std::string>(std::string(literal)); +} +inline failure<std::string> err(const char* literal) +{ + return failure<std::string>(std::string(literal)); +} + + +template<typename T, typename E> +struct result +{ + using value_type = T; + using error_type = E; + using success_type = success<value_type>; + using failure_type = failure<error_type>; + + result(const success_type& s): is_ok_(true) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(s); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + result(const failure_type& f): is_ok_(false) + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(f); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + result(success_type&& s): is_ok_(true) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(s)); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + result(failure_type&& f): is_ok_(false) + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(f)); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + + template<typename U> + result(const success<U>& s): is_ok_(true) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(s.value); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + template<typename U> + result(const failure<U>& f): is_ok_(false) + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(f.value); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + template<typename U> + result(success<U>&& s): is_ok_(true) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(s.value)); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + template<typename U> + result(failure<U>&& f): is_ok_(false) + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(f.value)); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + + result& operator=(const success_type& s) + { + this->cleanup(); + this->is_ok_ = true; + auto tmp = ::new(std::addressof(this->succ)) success_type(s); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + return *this; + } + result& operator=(const failure_type& f) + { + this->cleanup(); + this->is_ok_ = false; + auto tmp = ::new(std::addressof(this->fail)) failure_type(f); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + return *this; + } + result& operator=(success_type&& s) + { + this->cleanup(); + this->is_ok_ = true; + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(s)); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + return *this; + } + result& operator=(failure_type&& f) + { + this->cleanup(); + this->is_ok_ = false; + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(f)); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + return *this; + } + + template<typename U> + result& operator=(const success<U>& s) + { + this->cleanup(); + this->is_ok_ = true; + auto tmp = ::new(std::addressof(this->succ)) success_type(s.value); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + return *this; + } + template<typename U> + result& operator=(const failure<U>& f) + { + this->cleanup(); + this->is_ok_ = false; + auto tmp = ::new(std::addressof(this->fail)) failure_type(f.value); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + return *this; + } + template<typename U> + result& operator=(success<U>&& s) + { + this->cleanup(); + this->is_ok_ = true; + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(s.value)); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + return *this; + } + template<typename U> + result& operator=(failure<U>&& f) + { + this->cleanup(); + this->is_ok_ = false; + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(f.value)); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + return *this; + } + + ~result() noexcept {this->cleanup();} + + result(const result& other): is_ok_(other.is_ok()) + { + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(other.as_ok()); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(other.as_err()); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + } + result(result&& other): is_ok_(other.is_ok()) + { + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(other.as_ok())); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(other.as_err())); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + } + + template<typename U, typename F> + result(const result<U, F>& other): is_ok_(other.is_ok()) + { + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(other.as_ok()); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(other.as_err()); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + } + template<typename U, typename F> + result(result<U, F>&& other): is_ok_(other.is_ok()) + { + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(other.as_ok())); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(other.as_err())); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + } + + result& operator=(const result& other) + { + this->cleanup(); + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(other.as_ok()); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(other.as_err()); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + is_ok_ = other.is_ok(); + return *this; + } + result& operator=(result&& other) + { + this->cleanup(); + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(other.as_ok())); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(other.as_err())); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + is_ok_ = other.is_ok(); + return *this; + } + + template<typename U, typename F> + result& operator=(const result<U, F>& other) + { + this->cleanup(); + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(other.as_ok()); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(other.as_err()); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + is_ok_ = other.is_ok(); + return *this; + } + template<typename U, typename F> + result& operator=(result<U, F>&& other) + { + this->cleanup(); + if(other.is_ok()) + { + auto tmp = ::new(std::addressof(this->succ)) success_type(std::move(other.as_ok())); + assert(tmp == std::addressof(this->succ)); + (void)tmp; + } + else + { + auto tmp = ::new(std::addressof(this->fail)) failure_type(std::move(other.as_err())); + assert(tmp == std::addressof(this->fail)); + (void)tmp; + } + is_ok_ = other.is_ok(); + return *this; + } + + bool is_ok() const noexcept {return is_ok_;} + bool is_err() const noexcept {return !is_ok_;} + + operator bool() const noexcept {return is_ok_;} + + value_type& unwrap() & + { + if(is_err()) + { + throw std::runtime_error("toml::result: bad unwrap: " + + format_error(this->as_err())); + } + return this->succ.value; + } + value_type const& unwrap() const& + { + if(is_err()) + { + throw std::runtime_error("toml::result: bad unwrap: " + + format_error(this->as_err())); + } + return this->succ.value; + } + value_type&& unwrap() && + { + if(is_err()) + { + throw std::runtime_error("toml::result: bad unwrap: " + + format_error(this->as_err())); + } + return std::move(this->succ.value); + } + + value_type& unwrap_or(value_type& opt) & + { + if(is_err()) {return opt;} + return this->succ.value; + } + value_type const& unwrap_or(value_type const& opt) const& + { + if(is_err()) {return opt;} + return this->succ.value; + } + value_type unwrap_or(value_type opt) && + { + if(is_err()) {return opt;} + return this->succ.value; + } + + error_type& unwrap_err() & + { + if(is_ok()) {throw std::runtime_error("toml::result: bad unwrap_err");} + return this->fail.value; + } + error_type const& unwrap_err() const& + { + if(is_ok()) {throw std::runtime_error("toml::result: bad unwrap_err");} + return this->fail.value; + } + error_type&& unwrap_err() && + { + if(is_ok()) {throw std::runtime_error("toml::result: bad unwrap_err");} + return std::move(this->fail.value); + } + + value_type& as_ok() & noexcept {return this->succ.value;} + value_type const& as_ok() const& noexcept {return this->succ.value;} + value_type&& as_ok() && noexcept {return std::move(this->succ.value);} + + error_type& as_err() & noexcept {return this->fail.value;} + error_type const& as_err() const& noexcept {return this->fail.value;} + error_type&& as_err() && noexcept {return std::move(this->fail.value);} + + + // prerequisities + // F: T -> U + // retval: result<U, E> + template<typename F> + result<detail::return_type_of_t<F, value_type&>, error_type> + map(F&& f) & + { + if(this->is_ok()){return ok(f(this->as_ok()));} + return err(this->as_err()); + } + template<typename F> + result<detail::return_type_of_t<F, value_type const&>, error_type> + map(F&& f) const& + { + if(this->is_ok()){return ok(f(this->as_ok()));} + return err(this->as_err()); + } + template<typename F> + result<detail::return_type_of_t<F, value_type &&>, error_type> + map(F&& f) && + { + if(this->is_ok()){return ok(f(std::move(this->as_ok())));} + return err(std::move(this->as_err())); + } + + // prerequisities + // F: E -> F + // retval: result<T, F> + template<typename F> + result<value_type, detail::return_type_of_t<F, error_type&>> + map_err(F&& f) & + { + if(this->is_err()){return err(f(this->as_err()));} + return ok(this->as_ok()); + } + template<typename F> + result<value_type, detail::return_type_of_t<F, error_type const&>> + map_err(F&& f) const& + { + if(this->is_err()){return err(f(this->as_err()));} + return ok(this->as_ok()); + } + template<typename F> + result<value_type, detail::return_type_of_t<F, error_type&&>> + map_err(F&& f) && + { + if(this->is_err()){return err(f(std::move(this->as_err())));} + return ok(std::move(this->as_ok())); + } + + // prerequisities + // F: T -> U + // retval: U + template<typename F, typename U> + detail::return_type_of_t<F, value_type&> + map_or_else(F&& f, U&& opt) & + { + if(this->is_err()){return std::forward<U>(opt);} + return f(this->as_ok()); + } + template<typename F, typename U> + detail::return_type_of_t<F, value_type const&> + map_or_else(F&& f, U&& opt) const& + { + if(this->is_err()){return std::forward<U>(opt);} + return f(this->as_ok()); + } + template<typename F, typename U> + detail::return_type_of_t<F, value_type&&> + map_or_else(F&& f, U&& opt) && + { + if(this->is_err()){return std::forward<U>(opt);} + return f(std::move(this->as_ok())); + } + + // prerequisities + // F: E -> U + // retval: U + template<typename F, typename U> + detail::return_type_of_t<F, error_type&> + map_err_or_else(F&& f, U&& opt) & + { + if(this->is_ok()){return std::forward<U>(opt);} + return f(this->as_err()); + } + template<typename F, typename U> + detail::return_type_of_t<F, error_type const&> + map_err_or_else(F&& f, U&& opt) const& + { + if(this->is_ok()){return std::forward<U>(opt);} + return f(this->as_err()); + } + template<typename F, typename U> + detail::return_type_of_t<F, error_type&&> + map_err_or_else(F&& f, U&& opt) && + { + if(this->is_ok()){return std::forward<U>(opt);} + return f(std::move(this->as_err())); + } + + // prerequisities: + // F: func T -> U + // toml::err(error_type) should be convertible to U. + // normally, type U is another result<S, F> and E is convertible to F + template<typename F> + detail::return_type_of_t<F, value_type&> + and_then(F&& f) & + { + if(this->is_ok()){return f(this->as_ok());} + return err(this->as_err()); + } + template<typename F> + detail::return_type_of_t<F, value_type const&> + and_then(F&& f) const& + { + if(this->is_ok()){return f(this->as_ok());} + return err(this->as_err()); + } + template<typename F> + detail::return_type_of_t<F, value_type&&> + and_then(F&& f) && + { + if(this->is_ok()){return f(std::move(this->as_ok()));} + return err(std::move(this->as_err())); + } + + // prerequisities: + // F: func E -> U + // toml::ok(value_type) should be convertible to U. + // normally, type U is another result<S, F> and T is convertible to S + template<typename F> + detail::return_type_of_t<F, error_type&> + or_else(F&& f) & + { + if(this->is_err()){return f(this->as_err());} + return ok(this->as_ok()); + } + template<typename F> + detail::return_type_of_t<F, error_type const&> + or_else(F&& f) const& + { + if(this->is_err()){return f(this->as_err());} + return ok(this->as_ok()); + } + template<typename F> + detail::return_type_of_t<F, error_type&&> + or_else(F&& f) && + { + if(this->is_err()){return f(std::move(this->as_err()));} + return ok(std::move(this->as_ok())); + } + + // if *this is error, returns *this. otherwise, returns other. + result and_other(const result& other) const& + { + return this->is_err() ? *this : other; + } + result and_other(result&& other) && + { + return this->is_err() ? std::move(*this) : std::move(other); + } + + // if *this is okay, returns *this. otherwise, returns other. + result or_other(const result& other) const& + { + return this->is_ok() ? *this : other; + } + result or_other(result&& other) && + { + return this->is_ok() ? std::move(*this) : std::move(other); + } + + void swap(result<T, E>& other) + { + result<T, E> tmp(std::move(*this)); + *this = std::move(other); + other = std::move(tmp); + return ; + } + + private: + + static std::string format_error(std::exception const& excpt) + { + return std::string(excpt.what()); + } + template<typename U, typename std::enable_if<!std::is_base_of< + std::exception, U>::value, std::nullptr_t>::type = nullptr> + static std::string format_error(U const& others) + { + std::ostringstream oss; oss << others; + return oss.str(); + } + + void cleanup() noexcept + { + if(this->is_ok_) {this->succ.~success_type();} + else {this->fail.~failure_type();} + return; + } + + private: + + bool is_ok_; + union + { + success_type succ; + failure_type fail; + }; +}; + +template<typename T, typename E> +void swap(result<T, E>& lhs, result<T, E>& rhs) +{ + lhs.swap(rhs); + return; +} + +// this might be confusing because it eagerly evaluated, while in the other +// cases operator && and || are short-circuited. +// +// template<typename T, typename E> +// inline result<T, E> +// operator&&(const result<T, E>& lhs, const result<T, E>& rhs) noexcept +// { +// return lhs.is_ok() ? rhs : lhs; +// } +// +// template<typename T, typename E> +// inline result<T, E> +// operator||(const result<T, E>& lhs, const result<T, E>& rhs) noexcept +// { +// return lhs.is_ok() ? lhs : rhs; +// } + +// ---------------------------------------------------------------------------- +// re-use result<T, E> as a optional<T> with none_t + +namespace detail +{ +struct none_t {}; +inline bool operator==(const none_t&, const none_t&) noexcept {return true;} +inline bool operator!=(const none_t&, const none_t&) noexcept {return false;} +inline bool operator< (const none_t&, const none_t&) noexcept {return false;} +inline bool operator<=(const none_t&, const none_t&) noexcept {return true;} +inline bool operator> (const none_t&, const none_t&) noexcept {return false;} +inline bool operator>=(const none_t&, const none_t&) noexcept {return true;} +template<typename charT, typename traitsT> +std::basic_ostream<charT, traitsT>& +operator<<(std::basic_ostream<charT, traitsT>& os, const none_t&) +{ + os << "none"; + return os; +} +inline failure<none_t> none() noexcept {return failure<none_t>{none_t{}};} +} // detail +} // toml11 +#endif// TOML11_RESULT_H
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/serializer.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,994 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_SERIALIZER_HPP +#define TOML11_SERIALIZER_HPP +#include <cmath> +#include <cstdio> + +#include <limits> + +#if defined(_WIN32) +#include <locale.h> +#elif defined(__APPLE__) || defined(__FreeBSD__) +#include <xlocale.h> +#elif defined(__linux__) +#include <locale.h> +#endif + +#include "lexer.hpp" +#include "value.hpp" + +namespace toml +{ + +// This function serialize a key. It checks a string is a bare key and +// escapes special characters if the string is not compatible to a bare key. +// ```cpp +// std::string k("non.bare.key"); // the key itself includes `.`s. +// std::string formatted = toml::format_key(k); +// assert(formatted == "\"non.bare.key\""); +// ``` +// +// This function is exposed to make it easy to write a user-defined serializer. +// Since toml restricts characters available in a bare key, generally a string +// should be escaped. But checking whether a string needs to be surrounded by +// a `"` and escaping some special character is boring. +template<typename charT, typename traits, typename Alloc> +std::basic_string<charT, traits, Alloc> +format_key(const std::basic_string<charT, traits, Alloc>& k) +{ + if(k.empty()) + { + return std::string("\"\""); + } + + // check the key can be a bare (unquoted) key + detail::location loc(k, std::vector<char>(k.begin(), k.end())); + detail::lex_unquoted_key::invoke(loc); + if(loc.iter() == loc.end()) + { + return k; // all the tokens are consumed. the key is unquoted-key. + } + + //if it includes special characters, then format it in a "quoted" key. + std::basic_string<charT, traits, Alloc> serialized("\""); + for(const char c : k) + { + switch(c) + { + case '\\': {serialized += "\\\\"; break;} + case '\"': {serialized += "\\\""; break;} + case '\b': {serialized += "\\b"; break;} + case '\t': {serialized += "\\t"; break;} + case '\f': {serialized += "\\f"; break;} + case '\n': {serialized += "\\n"; break;} + case '\r': {serialized += "\\r"; break;} + default: { + if (c >= 0x00 && c < 0x20) + { + std::array<char, 7> buf; + std::snprintf(buf.data(), buf.size(), "\\u00%02x", static_cast<int>(c)); + serialized += buf.data(); + } + else + { + serialized += c; + } + break; + } + } + } + serialized += "\""; + return serialized; +} + +template<typename charT, typename traits, typename Alloc> +std::basic_string<charT, traits, Alloc> +format_keys(const std::vector<std::basic_string<charT, traits, Alloc>>& keys) +{ + if(keys.empty()) + { + return std::string("\"\""); + } + + std::basic_string<charT, traits, Alloc> serialized; + for(const auto& ky : keys) + { + serialized += format_key(ky); + serialized += charT('.'); + } + serialized.pop_back(); // remove the last dot '.' + return serialized; +} + +template<typename Value> +struct serializer +{ + static_assert(detail::is_basic_value<Value>::value, + "toml::serializer is for toml::value and its variants, " + "toml::basic_value<...>."); + + using value_type = Value; + using key_type = typename value_type::key_type ; + using comment_type = typename value_type::comment_type ; + using boolean_type = typename value_type::boolean_type ; + using integer_type = typename value_type::integer_type ; + using floating_type = typename value_type::floating_type ; + using string_type = typename value_type::string_type ; + using local_time_type = typename value_type::local_time_type ; + using local_date_type = typename value_type::local_date_type ; + using local_datetime_type = typename value_type::local_datetime_type ; + using offset_datetime_type = typename value_type::offset_datetime_type; + using array_type = typename value_type::array_type ; + using table_type = typename value_type::table_type ; + + serializer(const std::size_t w = 80u, + const int float_prec = std::numeric_limits<toml::floating>::max_digits10, + const bool can_be_inlined = false, + const bool no_comment = false, + std::vector<toml::key> ks = {}, + const bool value_has_comment = false) + : can_be_inlined_(can_be_inlined), no_comment_(no_comment), + value_has_comment_(value_has_comment && !no_comment), + float_prec_(float_prec), width_(w), keys_(std::move(ks)) + {} + ~serializer() = default; + + std::string operator()(const boolean_type& b) const + { + return b ? "true" : "false"; + } + std::string operator()(const integer_type i) const + { +#if defined(_WIN32) + _configthreadlocale(_ENABLE_PER_THREAD_LOCALE); + const std::string original_locale(setlocale(LC_NUMERIC, nullptr)); + setlocale(LC_NUMERIC, "C"); +#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__linux__) + const auto c_locale = newlocale(LC_NUMERIC_MASK, "C", locale_t(0)); + locale_t original_locale(0); + if(c_locale != locale_t(0)) + { + original_locale = uselocale(c_locale); + } +#endif + + const auto str = std::to_string(i); + +#if defined(_WIN32) + setlocale(LC_NUMERIC, original_locale.c_str()); + _configthreadlocale(_DISABLE_PER_THREAD_LOCALE); +#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__linux__) + if(original_locale != locale_t(0)) + { + uselocale(original_locale); + } +#endif + return str; + } + std::string operator()(const floating_type f) const + { + if(std::isnan(f)) + { + if(std::signbit(f)) + { + return std::string("-nan"); + } + else + { + return std::string("nan"); + } + } + else if(!std::isfinite(f)) + { + if(std::signbit(f)) + { + return std::string("-inf"); + } + else + { + return std::string("inf"); + } + } + + // set locale to "C". + // To make it thread-local, we use OS-specific features. + // If we set process-global locale, it can break other thread that also + // outputs something simultaneously. +#if defined(_WIN32) + _configthreadlocale(_ENABLE_PER_THREAD_LOCALE); + const std::string original_locale(setlocale(LC_NUMERIC, nullptr)); + setlocale(LC_NUMERIC, "C"); +#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__linux__) + const auto c_locale = newlocale(LC_NUMERIC_MASK, "C", locale_t(0)); + locale_t original_locale(0); + if(c_locale != locale_t(0)) + { + original_locale = uselocale(c_locale); + } +#endif + + const auto fmt = "%.*g"; + const auto bsz = std::snprintf(nullptr, 0, fmt, this->float_prec_, f); + // +1 for null character(\0) + std::vector<char> buf(static_cast<std::size_t>(bsz + 1), '\0'); + std::snprintf(buf.data(), buf.size(), fmt, this->float_prec_, f); + + // restore the original locale +#if defined(_WIN32) + setlocale(LC_NUMERIC, original_locale.c_str()); + _configthreadlocale(_DISABLE_PER_THREAD_LOCALE); +#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__linux__) + if(original_locale != locale_t(0)) + { + uselocale(original_locale); + } +#endif + + std::string token(buf.begin(), std::prev(buf.end())); + if(!token.empty() && token.back() == '.') // 1. => 1.0 + { + token += '0'; + } + + const auto e = std::find_if( + token.cbegin(), token.cend(), [](const char c) noexcept -> bool { + return c == 'e' || c == 'E'; + }); + const auto has_exponent = (token.cend() != e); + const auto has_fraction = (token.cend() != std::find( + token.cbegin(), token.cend(), '.')); + + if(!has_exponent && !has_fraction) + { + // the resulting value does not have any float specific part! + token += ".0"; + } + return token; + } + std::string operator()(const string_type& s) const + { + if(s.kind == string_t::basic) + { + if((std::find(s.str.cbegin(), s.str.cend(), '\n') != s.str.cend() || + std::find(s.str.cbegin(), s.str.cend(), '\"') != s.str.cend()) && + this->width_ != (std::numeric_limits<std::size_t>::max)()) + { + // if linefeed or double-quote is contained, + // make it multiline basic string. + const auto escaped = this->escape_ml_basic_string(s.str); + std::string open("\"\"\""); + std::string close("\"\"\""); + if(escaped.find('\n') != std::string::npos || + this->width_ < escaped.size() + 6) + { + // if the string body contains newline or is enough long, + // add newlines after and before delimiters. + open += "\n"; + close = std::string("\\\n") + close; + } + return open + escaped + close; + } + + // no linefeed. try to make it oneline-string. + std::string oneline = this->escape_basic_string(s.str); + if(oneline.size() + 2 < width_ || width_ < 2) + { + const std::string quote("\""); + return quote + oneline + quote; + } + + // the line is too long compared to the specified width. + // split it into multiple lines. + std::string token("\"\"\"\n"); + while(!oneline.empty()) + { + if(oneline.size() < width_) + { + token += oneline; + oneline.clear(); + } + else if(oneline.at(width_-2) == '\\') + { + token += oneline.substr(0, width_-2); + token += "\\\n"; + oneline.erase(0, width_-2); + } + else + { + token += oneline.substr(0, width_-1); + token += "\\\n"; + oneline.erase(0, width_-1); + } + } + return token + std::string("\\\n\"\"\""); + } + else // the string `s` is literal-string. + { + if(std::find(s.str.cbegin(), s.str.cend(), '\n') != s.str.cend() || + std::find(s.str.cbegin(), s.str.cend(), '\'') != s.str.cend() ) + { + std::string open("'''"); + if(this->width_ + 6 < s.str.size()) + { + open += '\n'; // the first newline is ignored by TOML spec + } + const std::string close("'''"); + return open + s.str + close; + } + else + { + const std::string quote("'"); + return quote + s.str + quote; + } + } + } + + std::string operator()(const local_date_type& d) const + { + std::ostringstream oss; + oss << d; + return oss.str(); + } + std::string operator()(const local_time_type& t) const + { + std::ostringstream oss; + oss << t; + return oss.str(); + } + std::string operator()(const local_datetime_type& dt) const + { + std::ostringstream oss; + oss << dt; + return oss.str(); + } + std::string operator()(const offset_datetime_type& odt) const + { + std::ostringstream oss; + oss << odt; + return oss.str(); + } + + std::string operator()(const array_type& v) const + { + if(v.empty()) + { + return std::string("[]"); + } + if(this->is_array_of_tables(v)) + { + return make_array_of_tables(v); + } + + // not an array of tables. normal array. + // first, try to make it inline if none of the elements have a comment. + if( ! this->has_comment_inside(v)) + { + const auto inl = this->make_inline_array(v); + if(inl.size() < this->width_ && + std::find(inl.cbegin(), inl.cend(), '\n') == inl.cend()) + { + return inl; + } + } + + // if the length exceeds this->width_, print multiline array. + // key = [ + // # ... + // 42, + // ... + // ] + std::string token; + std::string current_line; + token += "[\n"; + for(const auto& item : v) + { + if( ! item.comments().empty() && !no_comment_) + { + // if comment exists, the element must be the only element in the line. + // e.g. the following is not allowed. + // ```toml + // array = [ + // # comment for what? + // 1, 2, 3, 4, 5 + // ] + // ``` + if(!current_line.empty()) + { + if(current_line.back() != '\n') + { + current_line += '\n'; + } + token += current_line; + current_line.clear(); + } + for(const auto& c : item.comments()) + { + token += '#'; + token += c; + token += '\n'; + } + token += toml::visit(*this, item); + if(!token.empty() && token.back() == '\n') {token.pop_back();} + token += ",\n"; + continue; + } + std::string next_elem; + if(item.is_table()) + { + serializer ser(*this); + ser.can_be_inlined_ = true; + ser.width_ = (std::numeric_limits<std::size_t>::max)(); + next_elem += toml::visit(ser, item); + } + else + { + next_elem += toml::visit(*this, item); + } + + // comma before newline. + if(!next_elem.empty() && next_elem.back() == '\n') {next_elem.pop_back();} + + // if current line does not exceeds the width limit, continue. + if(current_line.size() + next_elem.size() + 1 < this->width_) + { + current_line += next_elem; + current_line += ','; + } + else if(current_line.empty()) + { + // if current line was empty, force put the next_elem because + // next_elem is not splittable + token += next_elem; + token += ",\n"; + // current_line is kept empty + } + else // reset current_line + { + assert(current_line.back() == ','); + token += current_line; + token += '\n'; + current_line = next_elem; + current_line += ','; + } + } + if(!current_line.empty()) + { + if(!current_line.empty() && current_line.back() != '\n') + { + current_line += '\n'; + } + token += current_line; + } + token += "]\n"; + return token; + } + + // templatize for any table-like container + std::string operator()(const table_type& v) const + { + // if an element has a comment, then it can't be inlined. + // table = {# how can we write a comment for this? key = "value"} + if(this->can_be_inlined_ && !(this->has_comment_inside(v))) + { + std::string token; + if(!this->keys_.empty()) + { + token += format_key(this->keys_.back()); + token += " = "; + } + token += this->make_inline_table(v); + if(token.size() < this->width_ && + token.end() == std::find(token.begin(), token.end(), '\n')) + { + return token; + } + } + + std::string token; + if(!keys_.empty()) + { + token += '['; + token += format_keys(keys_); + token += "]\n"; + } + token += this->make_multiline_table(v); + return token; + } + + private: + + std::string escape_basic_string(const std::string& s) const + { + //XXX assuming `s` is a valid utf-8 sequence. + std::string retval; + for(const char c : s) + { + switch(c) + { + case '\\': {retval += "\\\\"; break;} + case '\"': {retval += "\\\""; break;} + case '\b': {retval += "\\b"; break;} + case '\t': {retval += "\\t"; break;} + case '\f': {retval += "\\f"; break;} + case '\n': {retval += "\\n"; break;} + case '\r': {retval += "\\r"; break;} + default : + { + if((0x00 <= c && c <= 0x08) || (0x0A <= c && c <= 0x1F) || c == 0x7F) + { + retval += "\\u00"; + retval += char(48 + (c / 16)); + retval += char((c % 16 < 10 ? 48 : 55) + (c % 16)); + } + else + { + retval += c; + } + } + } + } + return retval; + } + + std::string escape_ml_basic_string(const std::string& s) const + { + std::string retval; + for(auto i=s.cbegin(), e=s.cend(); i!=e; ++i) + { + switch(*i) + { + case '\\': {retval += "\\\\"; break;} + // One or two consecutive "s are allowed. + // Later we will check there are no three consecutive "s. + // case '\"': {retval += "\\\""; break;} + case '\b': {retval += "\\b"; break;} + case '\t': {retval += "\\t"; break;} + case '\f': {retval += "\\f"; break;} + case '\n': {retval += "\n"; break;} + case '\r': + { + if(std::next(i) != e && *std::next(i) == '\n') + { + retval += "\r\n"; + ++i; + } + else + { + retval += "\\r"; + } + break; + } + default : + { + const auto c = *i; + if((0x00 <= c && c <= 0x08) || (0x0A <= c && c <= 0x1F) || c == 0x7F) + { + retval += "\\u00"; + retval += char(48 + (c / 16)); + retval += char((c % 16 < 10 ? 48 : 55) + (c % 16)); + } + else + { + retval += c; + } + } + + } + } + // Only 1 or 2 consecutive `"`s are allowed in multiline basic string. + // 3 consecutive `"`s are considered as a closing delimiter. + // We need to check if there are 3 or more consecutive `"`s and insert + // backslash to break them down into several short `"`s like the `str6` + // in the following example. + // ```toml + // str4 = """Here are two quotation marks: "". Simple enough.""" + // # str5 = """Here are three quotation marks: """.""" # INVALID + // str5 = """Here are three quotation marks: ""\".""" + // str6 = """Here are fifteen quotation marks: ""\"""\"""\"""\"""\".""" + // ``` + auto found_3_quotes = retval.find("\"\"\""); + while(found_3_quotes != std::string::npos) + { + retval.replace(found_3_quotes, 3, "\"\"\\\""); + found_3_quotes = retval.find("\"\"\""); + } + return retval; + } + + // if an element of a table or an array has a comment, it cannot be inlined. + bool has_comment_inside(const array_type& a) const noexcept + { + // if no_comment is set, comments would not be written. + if(this->no_comment_) {return false;} + + for(const auto& v : a) + { + if(!v.comments().empty()) {return true;} + } + return false; + } + bool has_comment_inside(const table_type& t) const noexcept + { + // if no_comment is set, comments would not be written. + if(this->no_comment_) {return false;} + + for(const auto& kv : t) + { + if(!kv.second.comments().empty()) {return true;} + } + return false; + } + + std::string make_inline_array(const array_type& v) const + { + assert(!has_comment_inside(v)); + std::string token; + token += '['; + bool is_first = true; + for(const auto& item : v) + { + if(is_first) {is_first = false;} else {token += ',';} + token += visit(serializer( + (std::numeric_limits<std::size_t>::max)(), this->float_prec_, + /* inlined */ true, /*no comment*/ false, /*keys*/ {}, + /*has_comment*/ !item.comments().empty()), item); + } + token += ']'; + return token; + } + + std::string make_inline_table(const table_type& v) const + { + assert(!has_comment_inside(v)); + assert(this->can_be_inlined_); + std::string token; + token += '{'; + bool is_first = true; + for(const auto& kv : v) + { + // in inline tables, trailing comma is not allowed (toml-lang #569). + if(is_first) {is_first = false;} else {token += ',';} + token += format_key(kv.first); + token += '='; + token += visit(serializer( + (std::numeric_limits<std::size_t>::max)(), this->float_prec_, + /* inlined */ true, /*no comment*/ false, /*keys*/ {}, + /*has_comment*/ !kv.second.comments().empty()), kv.second); + } + token += '}'; + return token; + } + + std::string make_multiline_table(const table_type& v) const + { + std::string token; + + // print non-table elements first. + // ```toml + // [foo] # a table we're writing now here + // key = "value" # <- non-table element, "key" + // # ... + // [foo.bar] # <- table element, "bar" + // ``` + // because after printing [foo.bar], the remaining non-table values will + // be assigned into [foo.bar], not [foo]. Those values should be printed + // earlier. + for(const auto& kv : v) + { + if(kv.second.is_table() || is_array_of_tables(kv.second)) + { + continue; + } + + token += write_comments(kv.second); + + const auto key_and_sep = format_key(kv.first) + " = "; + const auto residual_width = (this->width_ > key_and_sep.size()) ? + this->width_ - key_and_sep.size() : 0; + token += key_and_sep; + token += visit(serializer(residual_width, this->float_prec_, + /*can be inlined*/ true, /*no comment*/ false, /*keys*/ {}, + /*has_comment*/ !kv.second.comments().empty()), kv.second); + + if(token.back() != '\n') + { + token += '\n'; + } + } + + // normal tables / array of tables + + // after multiline table appeared, the other tables cannot be inline + // because the table would be assigned into the table. + // [foo] + // ... + // bar = {...} # <- bar will be a member of [foo]. + bool multiline_table_printed = false; + for(const auto& kv : v) + { + if(!kv.second.is_table() && !is_array_of_tables(kv.second)) + { + continue; // other stuff are already serialized. skip them. + } + + std::vector<toml::key> ks(this->keys_); + ks.push_back(kv.first); + + auto tmp = visit(serializer(this->width_, this->float_prec_, + !multiline_table_printed, this->no_comment_, ks, + /*has_comment*/ !kv.second.comments().empty()), kv.second); + + // If it is the first time to print a multi-line table, it would be + // helpful to separate normal key-value pair and subtables by a + // newline. + // (this checks if the current key-value pair contains newlines. + // but it is not perfect because multi-line string can also contain + // a newline. in such a case, an empty line will be written) TODO + if((!multiline_table_printed) && + std::find(tmp.cbegin(), tmp.cend(), '\n') != tmp.cend()) + { + multiline_table_printed = true; + token += '\n'; // separate key-value pairs and subtables + + token += write_comments(kv.second); + token += tmp; + + // care about recursive tables (all tables in each level prints + // newline and there will be a full of newlines) + if(tmp.substr(tmp.size() - 2, 2) != "\n\n" && + tmp.substr(tmp.size() - 4, 4) != "\r\n\r\n" ) + { + token += '\n'; + } + } + else + { + token += write_comments(kv.second); + token += tmp; + token += '\n'; + } + } + return token; + } + + std::string make_array_of_tables(const array_type& v) const + { + // if it's not inlined, we need to add `[[table.key]]`. + // but if it can be inlined, we can format it as the following. + // ``` + // table.key = [ + // {...}, + // # comment + // {...}, + // ] + // ``` + // This function checks if inlinization is possible or not, and then + // format the array-of-tables in a proper way. + // + // Note about comments: + // + // If the array itself has a comment (value_has_comment_ == true), we + // should try to make it inline. + // ```toml + // # comment about array + // array = [ + // # comment about table element + // {of = "table"} + // ] + // ``` + // If it is formatted as a multiline table, the two comments becomes + // indistinguishable. + // ```toml + // # comment about array + // # comment about table element + // [[array]] + // of = "table" + // ``` + // So we need to try to make it inline, and it force-inlines regardless + // of the line width limit. + // It may fail if the element of a table has comment. In that case, + // the array-of-tables will be formatted as a multiline table. + if(this->can_be_inlined_ || this->value_has_comment_) + { + std::string token; + if(!keys_.empty()) + { + token += format_key(keys_.back()); + token += " = "; + } + + bool failed = false; + token += "[\n"; + for(const auto& item : v) + { + // if an element of the table has a comment, the table + // cannot be inlined. + if(this->has_comment_inside(item.as_table())) + { + failed = true; + break; + } + // write comments for the table itself + token += write_comments(item); + + const auto t = this->make_inline_table(item.as_table()); + + if(t.size() + 1 > width_ || // +1 for the last comma {...}, + std::find(t.cbegin(), t.cend(), '\n') != t.cend()) + { + // if the value itself has a comment, ignore the line width limit + if( ! this->value_has_comment_) + { + failed = true; + break; + } + } + token += t; + token += ",\n"; + } + + if( ! failed) + { + token += "]\n"; + return token; + } + // if failed, serialize them as [[array.of.tables]]. + } + + std::string token; + for(const auto& item : v) + { + token += write_comments(item); + token += "[["; + token += format_keys(keys_); + token += "]]\n"; + token += this->make_multiline_table(item.as_table()); + } + return token; + } + + std::string write_comments(const value_type& v) const + { + std::string retval; + if(this->no_comment_) {return retval;} + + for(const auto& c : v.comments()) + { + retval += '#'; + retval += c; + retval += '\n'; + } + return retval; + } + + bool is_array_of_tables(const value_type& v) const + { + if(!v.is_array() || v.as_array().empty()) {return false;} + return is_array_of_tables(v.as_array()); + } + bool is_array_of_tables(const array_type& v) const + { + // Since TOML v0.5.0, heterogeneous arrays are allowed. So we need to + // check all the element in an array to check if the array is an array + // of tables. + return std::all_of(v.begin(), v.end(), [](const value_type& elem) { + return elem.is_table(); + }); + } + + private: + + bool can_be_inlined_; + bool no_comment_; + bool value_has_comment_; + int float_prec_; + std::size_t width_; + std::vector<toml::key> keys_; +}; + +template<typename C, + template<typename ...> class M, template<typename ...> class V> +std::string +format(const basic_value<C, M, V>& v, std::size_t w = 80u, + int fprec = std::numeric_limits<toml::floating>::max_digits10, + bool no_comment = false, bool force_inline = false) +{ + using value_type = basic_value<C, M, V>; + // if value is a table, it is considered to be a root object. + // the root object can't be an inline table. + if(v.is_table()) + { + std::ostringstream oss; + if(!v.comments().empty()) + { + oss << v.comments(); + oss << '\n'; // to split the file comment from the first element + } + const auto serialized = visit(serializer<value_type>(w, fprec, false, no_comment), v); + oss << serialized; + return oss.str(); + } + return visit(serializer<value_type>(w, fprec, force_inline), v); +} + +namespace detail +{ +template<typename charT, typename traits> +int comment_index(std::basic_ostream<charT, traits>&) +{ + static const int index = std::ios_base::xalloc(); + return index; +} +} // detail + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +nocomment(std::basic_ostream<charT, traits>& os) +{ + // by default, it is zero. and by default, it shows comments. + os.iword(detail::comment_index(os)) = 1; + return os; +} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +showcomment(std::basic_ostream<charT, traits>& os) +{ + // by default, it is zero. and by default, it shows comments. + os.iword(detail::comment_index(os)) = 0; + return os; +} + +template<typename charT, typename traits, typename C, + template<typename ...> class M, template<typename ...> class V> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const basic_value<C, M, V>& v) +{ + using value_type = basic_value<C, M, V>; + + // get status of std::setw(). + const auto w = static_cast<std::size_t>(os.width()); + const int fprec = static_cast<int>(os.precision()); + os.width(0); + + // by default, iword is initialized by 0. And by default, toml11 outputs + // comments. So `0` means showcomment. 1 means nocommnet. + const bool no_comment = (1 == os.iword(detail::comment_index(os))); + + if(!no_comment && v.is_table() && !v.comments().empty()) + { + os << v.comments(); + os << '\n'; // to split the file comment from the first element + } + // the root object can't be an inline table. so pass `false`. + const auto serialized = visit(serializer<value_type>(w, fprec, no_comment, false), v); + os << serialized; + + // if v is a non-table value, and has only one comment, then + // put a comment just after a value. in the following way. + // + // ```toml + // key = "value" # comment. + // ``` + // + // Since the top-level toml object is a table, one who want to put a + // non-table toml value must use this in a following way. + // + // ```cpp + // toml::value v; + // std::cout << "user-defined-key = " << v << std::endl; + // ``` + // + // In this case, it is impossible to put comments before key-value pair. + // The only way to preserve comments is to put all of them after a value. + if(!no_comment && !v.is_table() && !v.comments().empty()) + { + os << " #"; + for(const auto& c : v.comments()) {os << c;} + } + return os; +} + +} // toml +#endif// TOML11_SERIALIZER_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/source_location.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,239 @@ +// Copyright Toru Niina 2019. +// Distributed under the MIT License. +#ifndef TOML11_SOURCE_LOCATION_HPP +#define TOML11_SOURCE_LOCATION_HPP +#include <cstdint> +#include <sstream> + +#include "region.hpp" + +namespace toml +{ + +// A struct to contain location in a toml file. +// The interface imitates std::experimental::source_location, +// but not completely the same. +// +// It would be constructed by toml::value. It can be used to generate +// user-defined error messages. +// +// - std::uint_least32_t line() const noexcept +// - returns the line number where the region is on. +// - std::uint_least32_t column() const noexcept +// - returns the column number where the region starts. +// - std::uint_least32_t region() const noexcept +// - returns the size of the region. +// +// +-- line() +-- region of interest (region() == 9) +// v .---+---. +// 12 | value = "foo bar" +// ^ +// +-- column() +// +// - std::string const& file_name() const noexcept; +// - name of the file. +// - std::string const& line_str() const noexcept; +// - the whole line that contains the region of interest. +// +struct source_location +{ + public: + + source_location() + : line_num_(1), column_num_(1), region_size_(1), + file_name_("unknown file"), line_str_("") + {} + + explicit source_location(const detail::region_base* reg) + : line_num_(1), column_num_(1), region_size_(1), + file_name_("unknown file"), line_str_("") + { + if(reg) + { + if(reg->line_num() != detail::region_base().line_num()) + { + line_num_ = static_cast<std::uint_least32_t>( + std::stoul(reg->line_num())); + } + column_num_ = static_cast<std::uint_least32_t>(reg->before() + 1); + region_size_ = static_cast<std::uint_least32_t>(reg->size()); + file_name_ = reg->name(); + line_str_ = reg->line(); + } + } + + explicit source_location(const detail::region& reg) + : line_num_(static_cast<std::uint_least32_t>(std::stoul(reg.line_num()))), + column_num_(static_cast<std::uint_least32_t>(reg.before() + 1)), + region_size_(static_cast<std::uint_least32_t>(reg.size())), + file_name_(reg.name()), + line_str_ (reg.line()) + {} + explicit source_location(const detail::location& loc) + : line_num_(static_cast<std::uint_least32_t>(std::stoul(loc.line_num()))), + column_num_(static_cast<std::uint_least32_t>(loc.before() + 1)), + region_size_(static_cast<std::uint_least32_t>(loc.size())), + file_name_(loc.name()), + line_str_ (loc.line()) + {} + + ~source_location() = default; + source_location(source_location const&) = default; + source_location(source_location &&) = default; + source_location& operator=(source_location const&) = default; + source_location& operator=(source_location &&) = default; + + std::uint_least32_t line() const noexcept {return line_num_;} + std::uint_least32_t column() const noexcept {return column_num_;} + std::uint_least32_t region() const noexcept {return region_size_;} + + std::string const& file_name() const noexcept {return file_name_;} + std::string const& line_str() const noexcept {return line_str_;} + + private: + + std::uint_least32_t line_num_; + std::uint_least32_t column_num_; + std::uint_least32_t region_size_; + std::string file_name_; + std::string line_str_; +}; + +namespace detail +{ + +// internal error message generation. +inline std::string format_underline(const std::string& message, + const std::vector<std::pair<source_location, std::string>>& loc_com, + const std::vector<std::string>& helps = {}, + const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED) +{ + std::size_t line_num_width = 0; + for(const auto& lc : loc_com) + { + std::uint_least32_t line = lc.first.line(); + std::size_t digit = 0; + while(line != 0) + { + line /= 10; + digit += 1; + } + line_num_width = (std::max)(line_num_width, digit); + } + // 1 is the minimum width + line_num_width = std::max<std::size_t>(line_num_width, 1); + + std::ostringstream retval; + + if(color::should_color() || colorize) + { + retval << color::colorize; // turn on ANSI color + } + + // XXX + // Here, before `colorize` support, it does not output `[error]` prefix + // automatically. So some user may output it manually and this change may + // duplicate the prefix. To avoid it, check the first 7 characters and + // if it is "[error]", it removes that part from the message shown. + if(message.size() > 7 && message.substr(0, 7) == "[error]") + { + retval +#ifndef TOML11_NO_ERROR_PREFIX + << color::bold << color::red << "[error]" << color::reset +#endif + << color::bold << message.substr(7) << color::reset << '\n'; + } + else + { + retval +#ifndef TOML11_NO_ERROR_PREFIX + << color::bold << color::red << "[error] " << color::reset +#endif + << color::bold << message << color::reset << '\n'; + } + + const auto format_one_location = [line_num_width] + (std::ostringstream& oss, + const source_location& loc, const std::string& comment) -> void + { + oss << ' ' << color::bold << color::blue + << std::setw(static_cast<int>(line_num_width)) + << std::right << loc.line() << " | " << color::reset + << loc.line_str() << '\n'; + + oss << make_string(line_num_width + 1, ' ') + << color::bold << color::blue << " | " << color::reset + << make_string(loc.column()-1 /*1-origin*/, ' '); + + if(loc.region() == 1) + { + // invalid + // ^------ + oss << color::bold << color::red << "^---" << color::reset; + } + else + { + // invalid + // ~~~~~~~ + const auto underline_len = (std::min)( + static_cast<std::size_t>(loc.region()), loc.line_str().size()); + oss << color::bold << color::red + << make_string(underline_len, '~') << color::reset; + } + oss << ' '; + oss << comment; + return; + }; + + assert(!loc_com.empty()); + + // --> example.toml + // | + retval << color::bold << color::blue << " --> " << color::reset + << loc_com.front().first.file_name() << '\n'; + retval << make_string(line_num_width + 1, ' ') + << color::bold << color::blue << " |\n" << color::reset; + // 1 | key value + // | ^--- missing = + format_one_location(retval, loc_com.front().first, loc_com.front().second); + + // process the rest of the locations + for(std::size_t i=1; i<loc_com.size(); ++i) + { + const auto& prev = loc_com.at(i-1); + const auto& curr = loc_com.at(i); + + retval << '\n'; + // if the filenames are the same, print "..." + if(prev.first.file_name() == curr.first.file_name()) + { + retval << color::bold << color::blue << " ...\n" << color::reset; + } + else // if filename differs, print " --> filename.toml" again + { + retval << color::bold << color::blue << " --> " << color::reset + << curr.first.file_name() << '\n'; + retval << make_string(line_num_width + 1, ' ') + << color::bold << color::blue << " |\n" << color::reset; + } + + format_one_location(retval, curr.first, curr.second); + } + + if(!helps.empty()) + { + retval << '\n'; + retval << make_string(line_num_width + 1, ' '); + retval << color::bold << color::blue << " |" << color::reset; + for(const auto& help : helps) + { + retval << color::bold << "\nHint: " << color::reset; + retval << help; + } + } + return retval.str(); +} + +} // detail +} // toml +#endif// TOML11_SOURCE_LOCATION_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/storage.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,43 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_STORAGE_HPP +#define TOML11_STORAGE_HPP +#include "utility.hpp" + +namespace toml +{ +namespace detail +{ + +// this contains pointer and deep-copy the content if copied. +// to avoid recursive pointer. +template<typename T> +struct storage +{ + using value_type = T; + + explicit storage(value_type const& v): ptr(toml::make_unique<T>(v)) {} + explicit storage(value_type&& v): ptr(toml::make_unique<T>(std::move(v))) {} + ~storage() = default; + storage(const storage& rhs): ptr(toml::make_unique<T>(*rhs.ptr)) {} + storage& operator=(const storage& rhs) + { + this->ptr = toml::make_unique<T>(*rhs.ptr); + return *this; + } + storage(storage&&) = default; + storage& operator=(storage&&) = default; + + bool is_ok() const noexcept {return static_cast<bool>(ptr);} + + value_type& value() & noexcept {return *ptr;} + value_type const& value() const& noexcept {return *ptr;} + value_type&& value() && noexcept {return std::move(*ptr);} + + private: + std::unique_ptr<value_type> ptr; +}; + +} // detail +} // toml +#endif// TOML11_STORAGE_HPP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/string.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,228 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_STRING_HPP +#define TOML11_STRING_HPP + +#include "version.hpp" + +#include <cstdint> + +#include <algorithm> +#include <string> + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201703L +#if __has_include(<string_view>) +#define TOML11_USING_STRING_VIEW 1 +#include <string_view> +#endif +#endif + +namespace toml +{ + +enum class string_t : std::uint8_t +{ + basic = 0, + literal = 1, +}; + +struct string +{ + string() = default; + ~string() = default; + string(const string& s) = default; + string(string&& s) = default; + string& operator=(const string& s) = default; + string& operator=(string&& s) = default; + + string(const std::string& s): kind(string_t::basic), str(s){} + string(const std::string& s, string_t k): kind(k), str(s){} + string(const char* s): kind(string_t::basic), str(s){} + string(const char* s, string_t k): kind(k), str(s){} + + string(std::string&& s): kind(string_t::basic), str(std::move(s)){} + string(std::string&& s, string_t k): kind(k), str(std::move(s)){} + + string& operator=(const std::string& s) + {kind = string_t::basic; str = s; return *this;} + string& operator=(std::string&& s) + {kind = string_t::basic; str = std::move(s); return *this;} + + operator std::string& () & noexcept {return str;} + operator std::string const& () const& noexcept {return str;} + operator std::string&& () && noexcept {return std::move(str);} + + string& operator+=(const char* rhs) {str += rhs; return *this;} + string& operator+=(const char rhs) {str += rhs; return *this;} + string& operator+=(const std::string& rhs) {str += rhs; return *this;} + string& operator+=(const string& rhs) {str += rhs.str; return *this;} + +#if defined(TOML11_USING_STRING_VIEW) && TOML11_USING_STRING_VIEW>0 + explicit string(std::string_view s): kind(string_t::basic), str(s){} + string(std::string_view s, string_t k): kind(k), str(s){} + + string& operator=(std::string_view s) + {kind = string_t::basic; str = s; return *this;} + + explicit operator std::string_view() const noexcept + {return std::string_view(str);} + + string& operator+=(const std::string_view& rhs) {str += rhs; return *this;} +#endif + + string_t kind; + std::string str; +}; + +inline bool operator==(const string& lhs, const string& rhs) +{ + return lhs.kind == rhs.kind && lhs.str == rhs.str; +} +inline bool operator!=(const string& lhs, const string& rhs) +{ + return !(lhs == rhs); +} +inline bool operator<(const string& lhs, const string& rhs) +{ + return (lhs.kind == rhs.kind) ? (lhs.str < rhs.str) : (lhs.kind < rhs.kind); +} +inline bool operator>(const string& lhs, const string& rhs) +{ + return rhs < lhs; +} +inline bool operator<=(const string& lhs, const string& rhs) +{ + return !(rhs < lhs); +} +inline bool operator>=(const string& lhs, const string& rhs) +{ + return !(lhs < rhs); +} + +inline bool +operator==(const string& lhs, const std::string& rhs) {return lhs.str == rhs;} +inline bool +operator!=(const string& lhs, const std::string& rhs) {return lhs.str != rhs;} +inline bool +operator< (const string& lhs, const std::string& rhs) {return lhs.str < rhs;} +inline bool +operator> (const string& lhs, const std::string& rhs) {return lhs.str > rhs;} +inline bool +operator<=(const string& lhs, const std::string& rhs) {return lhs.str <= rhs;} +inline bool +operator>=(const string& lhs, const std::string& rhs) {return lhs.str >= rhs;} + +inline bool +operator==(const std::string& lhs, const string& rhs) {return lhs == rhs.str;} +inline bool +operator!=(const std::string& lhs, const string& rhs) {return lhs != rhs.str;} +inline bool +operator< (const std::string& lhs, const string& rhs) {return lhs < rhs.str;} +inline bool +operator> (const std::string& lhs, const string& rhs) {return lhs > rhs.str;} +inline bool +operator<=(const std::string& lhs, const string& rhs) {return lhs <= rhs.str;} +inline bool +operator>=(const std::string& lhs, const string& rhs) {return lhs >= rhs.str;} + +inline bool +operator==(const string& lhs, const char* rhs) {return lhs.str == std::string(rhs);} +inline bool +operator!=(const string& lhs, const char* rhs) {return lhs.str != std::string(rhs);} +inline bool +operator< (const string& lhs, const char* rhs) {return lhs.str < std::string(rhs);} +inline bool +operator> (const string& lhs, const char* rhs) {return lhs.str > std::string(rhs);} +inline bool +operator<=(const string& lhs, const char* rhs) {return lhs.str <= std::string(rhs);} +inline bool +operator>=(const string& lhs, const char* rhs) {return lhs.str >= std::string(rhs);} + +inline bool +operator==(const char* lhs, const string& rhs) {return std::string(lhs) == rhs.str;} +inline bool +operator!=(const char* lhs, const string& rhs) {return std::string(lhs) != rhs.str;} +inline bool +operator< (const char* lhs, const string& rhs) {return std::string(lhs) < rhs.str;} +inline bool +operator> (const char* lhs, const string& rhs) {return std::string(lhs) > rhs.str;} +inline bool +operator<=(const char* lhs, const string& rhs) {return std::string(lhs) <= rhs.str;} +inline bool +operator>=(const char* lhs, const string& rhs) {return std::string(lhs) >= rhs.str;} + +template<typename charT, typename traits> +std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, const string& s) +{ + if(s.kind == string_t::basic) + { + if(std::find(s.str.cbegin(), s.str.cend(), '\n') != s.str.cend()) + { + // it contains newline. make it multiline string. + os << "\"\"\"\n"; + for(auto i=s.str.cbegin(), e=s.str.cend(); i!=e; ++i) + { + switch(*i) + { + case '\\': {os << "\\\\"; break;} + case '\"': {os << "\\\""; break;} + case '\b': {os << "\\b"; break;} + case '\t': {os << "\\t"; break;} + case '\f': {os << "\\f"; break;} + case '\n': {os << '\n'; break;} + case '\r': + { + // since it is a multiline string, + // CRLF is not needed to be escaped. + if(std::next(i) != e && *std::next(i) == '\n') + { + os << "\r\n"; + ++i; + } + else + { + os << "\\r"; + } + break; + } + default: {os << *i; break;} + } + } + os << "\\\n\"\"\""; + return os; + } + // no newline. make it inline. + os << "\""; + for(const auto c : s.str) + { + switch(c) + { + case '\\': {os << "\\\\"; break;} + case '\"': {os << "\\\""; break;} + case '\b': {os << "\\b"; break;} + case '\t': {os << "\\t"; break;} + case '\f': {os << "\\f"; break;} + case '\n': {os << "\\n"; break;} + case '\r': {os << "\\r"; break;} + default : {os << c; break;} + } + } + os << "\""; + return os; + } + // the string `s` is literal-string. + if(std::find(s.str.cbegin(), s.str.cend(), '\n') != s.str.cend() || + std::find(s.str.cbegin(), s.str.cend(), '\'') != s.str.cend() ) + { + // contains newline or single quote. make it multiline. + os << "'''\n" << s.str << "'''"; + return os; + } + // normal literal string + os << '\'' << s.str << '\''; + return os; +} + +} // toml +#endif// TOML11_STRING_H
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/traits.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,328 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_TRAITS_HPP +#define TOML11_TRAITS_HPP + +#include "from.hpp" +#include "into.hpp" +#include "version.hpp" + +#include <chrono> +#include <forward_list> +#include <string> +#include <tuple> +#include <type_traits> +#include <utility> + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201703L +#if __has_include(<string_view>) +#include <string_view> +#endif // has_include(<string_view>) +#endif // cplusplus >= C++17 + +namespace toml +{ +template<typename C, template<typename ...> class T, template<typename ...> class A> +class basic_value; + +namespace detail +{ +// --------------------------------------------------------------------------- +// check whether type T is a kind of container/map class + +struct has_iterator_impl +{ + template<typename T> static std::true_type check(typename T::iterator*); + template<typename T> static std::false_type check(...); +}; +struct has_value_type_impl +{ + template<typename T> static std::true_type check(typename T::value_type*); + template<typename T> static std::false_type check(...); +}; +struct has_key_type_impl +{ + template<typename T> static std::true_type check(typename T::key_type*); + template<typename T> static std::false_type check(...); +}; +struct has_mapped_type_impl +{ + template<typename T> static std::true_type check(typename T::mapped_type*); + template<typename T> static std::false_type check(...); +}; +struct has_reserve_method_impl +{ + template<typename T> static std::false_type check(...); + template<typename T> static std::true_type check( + decltype(std::declval<T>().reserve(std::declval<std::size_t>()))*); +}; +struct has_push_back_method_impl +{ + template<typename T> static std::false_type check(...); + template<typename T> static std::true_type check( + decltype(std::declval<T>().push_back(std::declval<typename T::value_type>()))*); +}; +struct is_comparable_impl +{ + template<typename T> static std::false_type check(...); + template<typename T> static std::true_type check( + decltype(std::declval<T>() < std::declval<T>())*); +}; + +struct has_from_toml_method_impl +{ + template<typename T, typename C, + template<typename ...> class Tb, template<typename ...> class A> + static std::true_type check( + decltype(std::declval<T>().from_toml( + std::declval<::toml::basic_value<C, Tb, A>>()))*); + + template<typename T, typename C, + template<typename ...> class Tb, template<typename ...> class A> + static std::false_type check(...); +}; +struct has_into_toml_method_impl +{ + template<typename T> + static std::true_type check(decltype(std::declval<T>().into_toml())*); + template<typename T> + static std::false_type check(...); +}; + +struct has_specialized_from_impl +{ + template<typename T> + static std::false_type check(...); + template<typename T, std::size_t S = sizeof(::toml::from<T>)> + static std::true_type check(::toml::from<T>*); +}; +struct has_specialized_into_impl +{ + template<typename T> + static std::false_type check(...); + template<typename T, std::size_t S = sizeof(::toml::into<T>)> + static std::true_type check(::toml::from<T>*); +}; + + +/// Intel C++ compiler can not use decltype in parent class declaration, here +/// is a hack to work around it. https://stackoverflow.com/a/23953090/4692076 +#ifdef __INTEL_COMPILER +#define decltype(...) std::enable_if<true, decltype(__VA_ARGS__)>::type +#endif + +template<typename T> +struct has_iterator : decltype(has_iterator_impl::check<T>(nullptr)){}; +template<typename T> +struct has_value_type : decltype(has_value_type_impl::check<T>(nullptr)){}; +template<typename T> +struct has_key_type : decltype(has_key_type_impl::check<T>(nullptr)){}; +template<typename T> +struct has_mapped_type : decltype(has_mapped_type_impl::check<T>(nullptr)){}; +template<typename T> +struct has_reserve_method : decltype(has_reserve_method_impl::check<T>(nullptr)){}; +template<typename T> +struct has_push_back_method : decltype(has_push_back_method_impl::check<T>(nullptr)){}; +template<typename T> +struct is_comparable : decltype(is_comparable_impl::check<T>(nullptr)){}; + +template<typename T, typename C, + template<typename ...> class Tb, template<typename ...> class A> +struct has_from_toml_method +: decltype(has_from_toml_method_impl::check<T, C, Tb, A>(nullptr)){}; + +template<typename T> +struct has_into_toml_method +: decltype(has_into_toml_method_impl::check<T>(nullptr)){}; + +template<typename T> +struct has_specialized_from : decltype(has_specialized_from_impl::check<T>(nullptr)){}; +template<typename T> +struct has_specialized_into : decltype(has_specialized_into_impl::check<T>(nullptr)){}; + +#ifdef __INTEL_COMPILER +#undef decltype +#endif + +// --------------------------------------------------------------------------- +// C++17 and/or/not + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201703L + +using std::conjunction; +using std::disjunction; +using std::negation; + +#else + +template<typename ...> struct conjunction : std::true_type{}; +template<typename T> struct conjunction<T> : T{}; +template<typename T, typename ... Ts> +struct conjunction<T, Ts...> : + std::conditional<static_cast<bool>(T::value), conjunction<Ts...>, T>::type +{}; + +template<typename ...> struct disjunction : std::false_type{}; +template<typename T> struct disjunction<T> : T {}; +template<typename T, typename ... Ts> +struct disjunction<T, Ts...> : + std::conditional<static_cast<bool>(T::value), T, disjunction<Ts...>>::type +{}; + +template<typename T> +struct negation : std::integral_constant<bool, !static_cast<bool>(T::value)>{}; + +#endif + +// --------------------------------------------------------------------------- +// type checkers + +template<typename T> struct is_std_pair : std::false_type{}; +template<typename T1, typename T2> +struct is_std_pair<std::pair<T1, T2>> : std::true_type{}; + +template<typename T> struct is_std_tuple : std::false_type{}; +template<typename ... Ts> +struct is_std_tuple<std::tuple<Ts...>> : std::true_type{}; + +template<typename T> struct is_std_forward_list : std::false_type{}; +template<typename T> +struct is_std_forward_list<std::forward_list<T>> : std::true_type{}; + +template<typename T> struct is_chrono_duration: std::false_type{}; +template<typename Rep, typename Period> +struct is_chrono_duration<std::chrono::duration<Rep, Period>>: std::true_type{}; + +template<typename T> +struct is_map : conjunction< // map satisfies all the following conditions + has_iterator<T>, // has T::iterator + has_value_type<T>, // has T::value_type + has_key_type<T>, // has T::key_type + has_mapped_type<T> // has T::mapped_type + >{}; +template<typename T> struct is_map<T&> : is_map<T>{}; +template<typename T> struct is_map<T const&> : is_map<T>{}; +template<typename T> struct is_map<T volatile&> : is_map<T>{}; +template<typename T> struct is_map<T const volatile&> : is_map<T>{}; + +template<typename T> +struct is_container : conjunction< + negation<is_map<T>>, // not a map + negation<std::is_same<T, std::string>>, // not a std::string +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201703L +#if __has_include(<string_view>) + negation<std::is_same<T, std::string_view>>, // not a std::string_view +#endif // has_include(<string_view>) +#endif + has_iterator<T>, // has T::iterator + has_value_type<T> // has T::value_type + >{}; +template<typename T> struct is_container<T&> : is_container<T>{}; +template<typename T> struct is_container<T const&> : is_container<T>{}; +template<typename T> struct is_container<T volatile&> : is_container<T>{}; +template<typename T> struct is_container<T const volatile&> : is_container<T>{}; + +template<typename T> +struct is_basic_value: std::false_type{}; +template<typename T> struct is_basic_value<T&> : is_basic_value<T>{}; +template<typename T> struct is_basic_value<T const&> : is_basic_value<T>{}; +template<typename T> struct is_basic_value<T volatile&> : is_basic_value<T>{}; +template<typename T> struct is_basic_value<T const volatile&> : is_basic_value<T>{}; +template<typename C, template<typename ...> class M, template<typename ...> class V> +struct is_basic_value<::toml::basic_value<C, M, V>>: std::true_type{}; + +// --------------------------------------------------------------------------- +// C++14 index_sequence + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201402L + +using std::index_sequence; +using std::make_index_sequence; + +#else + +template<std::size_t ... Ns> struct index_sequence{}; + +template<typename IS, std::size_t N> struct push_back_index_sequence{}; +template<std::size_t N, std::size_t ... Ns> +struct push_back_index_sequence<index_sequence<Ns...>, N> +{ + typedef index_sequence<Ns..., N> type; +}; + +template<std::size_t N> +struct index_sequence_maker +{ + typedef typename push_back_index_sequence< + typename index_sequence_maker<N-1>::type, N>::type type; +}; +template<> +struct index_sequence_maker<0> +{ + typedef index_sequence<0> type; +}; +template<std::size_t N> +using make_index_sequence = typename index_sequence_maker<N-1>::type; + +#endif // cplusplus >= 2014 + +// --------------------------------------------------------------------------- +// C++14 enable_if_t + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201402L + +using std::enable_if_t; + +#else + +template<bool B, typename T> +using enable_if_t = typename std::enable_if<B, T>::type; + +#endif // cplusplus >= 2014 + +// --------------------------------------------------------------------------- +// return_type_of_t + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201703L && defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable>=201703 + +template<typename F, typename ... Args> +using return_type_of_t = std::invoke_result_t<F, Args...>; + +#else +// result_of is deprecated after C++17 +template<typename F, typename ... Args> +using return_type_of_t = typename std::result_of<F(Args...)>::type; + +#endif + +// --------------------------------------------------------------------------- +// is_string_literal +// +// to use this, pass `typename remove_reference<T>::type` to T. + +template<typename T> +struct is_string_literal: +disjunction< + std::is_same<const char*, T>, + conjunction< + std::is_array<T>, + std::is_same<const char, typename std::remove_extent<T>::type> + > + >{}; + +// --------------------------------------------------------------------------- +// C++20 remove_cvref_t + +template<typename T> +struct remove_cvref +{ + using type = typename std::remove_cv< + typename std::remove_reference<T>::type>::type; +}; + +template<typename T> +using remove_cvref_t = typename remove_cvref<T>::type; + +}// detail +}//toml +#endif // TOML_TRAITS
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/types.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,173 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_TYPES_HPP +#define TOML11_TYPES_HPP +#include <unordered_map> +#include <vector> + +#include "comments.hpp" +#include "datetime.hpp" +#include "string.hpp" +#include "traits.hpp" + +namespace toml +{ + +template<typename Comment, // discard/preserve_comment + template<typename ...> class Table, // map-like class + template<typename ...> class Array> // vector-like class +class basic_value; + +using character = char; +using key = std::string; + +#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ <= 4 +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wshadow" +#endif + +using boolean = bool; +using integer = std::int64_t; +using floating = double; // "float" is a keyword, cannot use it here. +// the following stuffs are structs defined here, so aliases are not needed. +// - string +// - offset_datetime +// - offset_datetime +// - local_datetime +// - local_date +// - local_time + +#if defined(__GNUC__) && !defined(__clang__) +# pragma GCC diagnostic pop +#endif + +// default toml::value and default array/table. these are defined after defining +// basic_value itself. +// using value = basic_value<discard_comments, std::unordered_map, std::vector>; +// using array = typename value::array_type; +// using table = typename value::table_type; + +// to avoid warnings about `value_t::integer` is "shadowing" toml::integer in +// GCC -Wshadow=global. +#if defined(__GNUC__) && !defined(__clang__) +# pragma GCC diagnostic push +# if 7 <= __GNUC__ +# pragma GCC diagnostic ignored "-Wshadow=global" +# else // gcc-6 or older +# pragma GCC diagnostic ignored "-Wshadow" +# endif +#endif +enum class value_t : std::uint8_t +{ + empty = 0, + boolean = 1, + integer = 2, + floating = 3, + string = 4, + offset_datetime = 5, + local_datetime = 6, + local_date = 7, + local_time = 8, + array = 9, + table = 10, +}; +#if defined(__GNUC__) && !defined(__clang__) +# pragma GCC diagnostic pop +#endif + +template<typename charT, typename traits> +inline std::basic_ostream<charT, traits>& +operator<<(std::basic_ostream<charT, traits>& os, value_t t) +{ + switch(t) + { + case value_t::boolean : os << "boolean"; return os; + case value_t::integer : os << "integer"; return os; + case value_t::floating : os << "floating"; return os; + case value_t::string : os << "string"; return os; + case value_t::offset_datetime : os << "offset_datetime"; return os; + case value_t::local_datetime : os << "local_datetime"; return os; + case value_t::local_date : os << "local_date"; return os; + case value_t::local_time : os << "local_time"; return os; + case value_t::array : os << "array"; return os; + case value_t::table : os << "table"; return os; + case value_t::empty : os << "empty"; return os; + default : os << "unknown"; return os; + } +} + +template<typename charT = char, + typename traits = std::char_traits<charT>, + typename alloc = std::allocator<charT>> +inline std::basic_string<charT, traits, alloc> stringize(value_t t) +{ + std::basic_ostringstream<charT, traits, alloc> oss; + oss << t; + return oss.str(); +} + +namespace detail +{ + +// helper to define a type that represents a value_t value. +template<value_t V> +using value_t_constant = std::integral_constant<value_t, V>; + +// meta-function that convertes from value_t to the exact toml type that corresponds to. +// It takes toml::basic_value type because array and table types depend on it. +template<value_t t, typename Value> struct enum_to_type {using type = void ;}; +template<typename Value> struct enum_to_type<value_t::empty , Value>{using type = void ;}; +template<typename Value> struct enum_to_type<value_t::boolean , Value>{using type = boolean ;}; +template<typename Value> struct enum_to_type<value_t::integer , Value>{using type = integer ;}; +template<typename Value> struct enum_to_type<value_t::floating , Value>{using type = floating ;}; +template<typename Value> struct enum_to_type<value_t::string , Value>{using type = string ;}; +template<typename Value> struct enum_to_type<value_t::offset_datetime, Value>{using type = offset_datetime ;}; +template<typename Value> struct enum_to_type<value_t::local_datetime , Value>{using type = local_datetime ;}; +template<typename Value> struct enum_to_type<value_t::local_date , Value>{using type = local_date ;}; +template<typename Value> struct enum_to_type<value_t::local_time , Value>{using type = local_time ;}; +template<typename Value> struct enum_to_type<value_t::array , Value>{using type = typename Value::array_type;}; +template<typename Value> struct enum_to_type<value_t::table , Value>{using type = typename Value::table_type;}; + +// meta-function that converts from an exact toml type to the enum that corresponds to. +template<typename T, typename Value> +struct type_to_enum : std::conditional< + std::is_same<T, typename Value::array_type>::value, // if T == array_type, + value_t_constant<value_t::array>, // then value_t::array + typename std::conditional< // else... + std::is_same<T, typename Value::table_type>::value, // if T == table_type + value_t_constant<value_t::table>, // then value_t::table + value_t_constant<value_t::empty> // else value_t::empty + >::type + >::type {}; +template<typename Value> struct type_to_enum<boolean , Value>: value_t_constant<value_t::boolean > {}; +template<typename Value> struct type_to_enum<integer , Value>: value_t_constant<value_t::integer > {}; +template<typename Value> struct type_to_enum<floating , Value>: value_t_constant<value_t::floating > {}; +template<typename Value> struct type_to_enum<string , Value>: value_t_constant<value_t::string > {}; +template<typename Value> struct type_to_enum<offset_datetime, Value>: value_t_constant<value_t::offset_datetime> {}; +template<typename Value> struct type_to_enum<local_datetime , Value>: value_t_constant<value_t::local_datetime > {}; +template<typename Value> struct type_to_enum<local_date , Value>: value_t_constant<value_t::local_date > {}; +template<typename Value> struct type_to_enum<local_time , Value>: value_t_constant<value_t::local_time > {}; + +// meta-function that checks the type T is the same as one of the toml::* types. +template<typename T, typename Value> +struct is_exact_toml_type : disjunction< + std::is_same<T, boolean >, + std::is_same<T, integer >, + std::is_same<T, floating >, + std::is_same<T, string >, + std::is_same<T, offset_datetime>, + std::is_same<T, local_datetime >, + std::is_same<T, local_date >, + std::is_same<T, local_time >, + std::is_same<T, typename Value::array_type>, + std::is_same<T, typename Value::table_type> + >{}; +template<typename T, typename V> struct is_exact_toml_type<T&, V> : is_exact_toml_type<T, V>{}; +template<typename T, typename V> struct is_exact_toml_type<T const&, V> : is_exact_toml_type<T, V>{}; +template<typename T, typename V> struct is_exact_toml_type<T volatile&, V> : is_exact_toml_type<T, V>{}; +template<typename T, typename V> struct is_exact_toml_type<T const volatile&, V>: is_exact_toml_type<T, V>{}; + +} // detail +} // toml + +#endif// TOML11_TYPES_H
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/utility.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,150 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_UTILITY_HPP +#define TOML11_UTILITY_HPP +#include <memory> +#include <sstream> +#include <utility> + +#include "traits.hpp" +#include "version.hpp" + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201402L +# define TOML11_MARK_AS_DEPRECATED(msg) [[deprecated(msg)]] +#elif defined(__GNUC__) +# define TOML11_MARK_AS_DEPRECATED(msg) __attribute__((deprecated(msg))) +#elif defined(_MSC_VER) +# define TOML11_MARK_AS_DEPRECATED(msg) __declspec(deprecated(msg)) +#else +# define TOML11_MARK_AS_DEPRECATED +#endif + +namespace toml +{ + +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201402L + +using std::make_unique; + +#else + +template<typename T, typename ... Ts> +inline std::unique_ptr<T> make_unique(Ts&& ... args) +{ + return std::unique_ptr<T>(new T(std::forward<Ts>(args)...)); +} + +#endif // TOML11_CPLUSPLUS_STANDARD_VERSION >= 2014 + +namespace detail +{ +template<typename Container> +void try_reserve_impl(Container& container, std::size_t N, std::true_type) +{ + container.reserve(N); + return; +} +template<typename Container> +void try_reserve_impl(Container&, std::size_t, std::false_type) noexcept +{ + return; +} +} // detail + +template<typename Container> +void try_reserve(Container& container, std::size_t N) +{ + if(N <= container.size()) {return;} + detail::try_reserve_impl(container, N, detail::has_reserve_method<Container>{}); + return; +} + +namespace detail +{ +inline std::string concat_to_string_impl(std::ostringstream& oss) +{ + return oss.str(); +} +template<typename T, typename ... Ts> +std::string concat_to_string_impl(std::ostringstream& oss, T&& head, Ts&& ... tail) +{ + oss << std::forward<T>(head); + return concat_to_string_impl(oss, std::forward<Ts>(tail) ... ); +} +} // detail + +template<typename ... Ts> +std::string concat_to_string(Ts&& ... args) +{ + std::ostringstream oss; + oss << std::boolalpha << std::fixed; + return detail::concat_to_string_impl(oss, std::forward<Ts>(args) ...); +} + +template<typename T> +T from_string(const std::string& str, T opt) +{ + T v(opt); + std::istringstream iss(str); + iss >> v; + return v; +} + +namespace detail +{ +#if TOML11_CPLUSPLUS_STANDARD_VERSION >= 201402L +template<typename T> +decltype(auto) last_one(T&& tail) noexcept +{ + return std::forward<T>(tail); +} + +template<typename T, typename ... Ts> +decltype(auto) last_one(T&& /*head*/, Ts&& ... tail) noexcept +{ + return last_one(std::forward<Ts>(tail)...); +} +#else // C++11 +// The following code +// ```cpp +// 1 | template<typename T, typename ... Ts> +// 2 | auto last_one(T&& /*head*/, Ts&& ... tail) +// 3 | -> decltype(last_one(std::forward<Ts>(tail)...)) +// 4 | { +// 5 | return last_one(std::forward<Ts>(tail)...); +// 6 | } +// ``` +// does not work because the function `last_one(...)` is not yet defined at +// line #3, so `decltype()` cannot deduce the type returned from `last_one`. +// So we need to determine return type in a different way, like a meta func. + +template<typename T, typename ... Ts> +struct last_one_in_pack +{ + using type = typename last_one_in_pack<Ts...>::type; +}; +template<typename T> +struct last_one_in_pack<T> +{ + using type = T; +}; +template<typename ... Ts> +using last_one_in_pack_t = typename last_one_in_pack<Ts...>::type; + +template<typename T> +T&& last_one(T&& tail) noexcept +{ + return std::forward<T>(tail); +} +template<typename T, typename ... Ts> +enable_if_t<(sizeof...(Ts) > 0), last_one_in_pack_t<Ts&& ...>> +last_one(T&& /*head*/, Ts&& ... tail) +{ + return last_one(std::forward<Ts>(tail)...); +} + +#endif +} // detail + +}// toml +#endif // TOML11_UTILITY
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/value.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,2037 @@ +// Copyright Toru Niina 2017. +// Distributed under the MIT License. +#ifndef TOML11_VALUE_HPP +#define TOML11_VALUE_HPP +#include <cassert> + +#include "comments.hpp" +#include "exception.hpp" +#include "into.hpp" +#include "region.hpp" +#include "source_location.hpp" +#include "storage.hpp" +#include "traits.hpp" +#include "types.hpp" +#include "utility.hpp" + +namespace toml +{ + +namespace detail +{ + +// to show error messages. not recommended for users. +template<typename Value> +inline region_base const* get_region(const Value& v) +{ + return v.region_info_.get(); +} + +template<typename Value> +void change_region(Value& v, region reg) +{ + v.region_info_ = std::make_shared<region>(std::move(reg)); + return; +} + +template<value_t Expected, typename Value> +[[noreturn]] inline void +throw_bad_cast(const std::string& funcname, value_t actual, const Value& v) +{ + throw type_error(detail::format_underline( + concat_to_string(funcname, "bad_cast to ", Expected), { + {v.location(), concat_to_string("the actual type is ", actual)} + }), v.location()); +} + +// Throw `out_of_range` from `toml::value::at()` and `toml::find()` +// after generating an error message. +// +// The implementation is a bit complicated and there are many edge-cases. +// If you are not interested in the error message generation, just skip this. +template<typename Value> +[[noreturn]] void +throw_key_not_found_error(const Value& v, const key& ky) +{ + // The top-level table has its region at the first character of the file. + // That means that, in the case when a key is not found in the top-level + // table, the error message points to the first character. If the file has + // its first table at the first line, the error message would be like this. + // ```console + // [error] key "a" not found + // --> example.toml + // | + // 1 | [table] + // | ^------ in this table + // ``` + // It actually points to the top-level table at the first character, + // not `[table]`. But it is too confusing. To avoid the confusion, the error + // message should explicitly say "key not found in the top-level table", + // or "the parsed file is empty" if there is no content at all (0 bytes in file). + const auto loc = v.location(); + if(loc.line() == 1 && loc.region() == 0) + { + // First line with a zero-length region means "empty file". + // The region will be generated at `parse_toml_file` function + // if the file contains no bytes. + throw std::out_of_range(format_underline(concat_to_string( + "key \"", ky, "\" not found in the top-level table"), { + {loc, "the parsed file is empty"} + })); + } + else if(loc.line() == 1 && loc.region() == 1) + { + // Here it assumes that top-level table starts at the first character. + // The region corresponds to the top-level table will be generated at + // `parse_toml_file` function. + // It also assumes that the top-level table size is just one and + // the line number is `1`. It is always satisfied. And those conditions + // are satisfied only if the table is the top-level table. + // + // 1. one-character dot-key at the first line + // ```toml + // a.b = "c" + // ``` + // toml11 counts whole key as the table key. Here, `a.b` is the region + // of the table "a". It could be counter intuitive, but it works. + // The size of the region is 3, not 1. The above example is the shortest + // dot-key example. The size cannot be 1. + // + // 2. one-character inline-table at the first line + // ```toml + // a = {b = "c"} + // ``` + // toml11 considers the inline table body as the table region. Here, + // `{b = "c"}` is the region of the table "a". The size of the region + // is 9, not 1. The shotest inline table still has two characters, `{` + // and `}`. The size cannot be 1. + // + // 3. one-character table declaration at the first line + // ```toml + // [a] + // ``` + // toml11 considers the whole table key as the table region. Here, + // `[a]` is the table region. The size is 3, not 1. + // + throw std::out_of_range(format_underline(concat_to_string( + "key \"", ky, "\" not found in the top-level table"), { + {loc, "the top-level table starts here"} + })); + } + else + { + // normal table. + throw std::out_of_range(format_underline(concat_to_string( + "key \"", ky, "\" not found"), { {loc, "in this table"} })); + } +} + +// switch by `value_t` at the compile time. +template<value_t T> +struct switch_cast {}; +#define TOML11_GENERATE_SWITCH_CASTER(TYPE) \ + template<> \ + struct switch_cast<value_t::TYPE> \ + { \ + template<typename Value> \ + static typename Value::TYPE##_type& invoke(Value& v) \ + { \ + return v.as_##TYPE(); \ + } \ + template<typename Value> \ + static typename Value::TYPE##_type const& invoke(const Value& v) \ + { \ + return v.as_##TYPE(); \ + } \ + template<typename Value> \ + static typename Value::TYPE##_type&& invoke(Value&& v) \ + { \ + return std::move(v).as_##TYPE(); \ + } \ + }; \ + /**/ +TOML11_GENERATE_SWITCH_CASTER(boolean) +TOML11_GENERATE_SWITCH_CASTER(integer) +TOML11_GENERATE_SWITCH_CASTER(floating) +TOML11_GENERATE_SWITCH_CASTER(string) +TOML11_GENERATE_SWITCH_CASTER(offset_datetime) +TOML11_GENERATE_SWITCH_CASTER(local_datetime) +TOML11_GENERATE_SWITCH_CASTER(local_date) +TOML11_GENERATE_SWITCH_CASTER(local_time) +TOML11_GENERATE_SWITCH_CASTER(array) +TOML11_GENERATE_SWITCH_CASTER(table) + +#undef TOML11_GENERATE_SWITCH_CASTER + +}// detail + +template<typename Comment, // discard/preserve_comment + template<typename ...> class Table = std::unordered_map, + template<typename ...> class Array = std::vector> +class basic_value +{ + template<typename T, typename U> + static void assigner(T& dst, U&& v) + { + const auto tmp = ::new(std::addressof(dst)) T(std::forward<U>(v)); + assert(tmp == std::addressof(dst)); + (void)tmp; + } + + using region_base = detail::region_base; + + template<typename C, template<typename ...> class T, + template<typename ...> class A> + friend class basic_value; + + public: + + using comment_type = Comment; + using key_type = ::toml::key; + using value_type = basic_value<comment_type, Table, Array>; + using boolean_type = ::toml::boolean; + using integer_type = ::toml::integer; + using floating_type = ::toml::floating; + using string_type = ::toml::string; + using local_time_type = ::toml::local_time; + using local_date_type = ::toml::local_date; + using local_datetime_type = ::toml::local_datetime; + using offset_datetime_type = ::toml::offset_datetime; + using array_type = Array<value_type>; + using table_type = Table<key_type, value_type>; + + public: + + basic_value() noexcept + : type_(value_t::empty), + region_info_(std::make_shared<region_base>(region_base{})) + {} + ~basic_value() noexcept {this->cleanup();} + + basic_value(const basic_value& v) + : type_(v.type()), region_info_(v.region_info_), comments_(v.comments_) + { + switch(v.type()) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : assigner(array_ , v.array_ ); break; + case value_t::table : assigner(table_ , v.table_ ); break; + default: break; + } + } + basic_value(basic_value&& v) + : type_(v.type()), region_info_(std::move(v.region_info_)), + comments_(std::move(v.comments_)) + { + switch(this->type_) // here this->type_ is already initialized + { + case value_t::boolean : assigner(boolean_ , std::move(v.boolean_ )); break; + case value_t::integer : assigner(integer_ , std::move(v.integer_ )); break; + case value_t::floating : assigner(floating_ , std::move(v.floating_ )); break; + case value_t::string : assigner(string_ , std::move(v.string_ )); break; + case value_t::offset_datetime: assigner(offset_datetime_, std::move(v.offset_datetime_)); break; + case value_t::local_datetime : assigner(local_datetime_ , std::move(v.local_datetime_ )); break; + case value_t::local_date : assigner(local_date_ , std::move(v.local_date_ )); break; + case value_t::local_time : assigner(local_time_ , std::move(v.local_time_ )); break; + case value_t::array : assigner(array_ , std::move(v.array_ )); break; + case value_t::table : assigner(table_ , std::move(v.table_ )); break; + default: break; + } + } + basic_value& operator=(const basic_value& v) + { + if(this == std::addressof(v)) {return *this;} + this->cleanup(); + this->region_info_ = v.region_info_; + this->comments_ = v.comments_; + this->type_ = v.type(); + switch(this->type_) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : assigner(array_ , v.array_ ); break; + case value_t::table : assigner(table_ , v.table_ ); break; + default: break; + } + return *this; + } + basic_value& operator=(basic_value&& v) + { + if(this == std::addressof(v)) {return *this;} + this->cleanup(); + this->region_info_ = std::move(v.region_info_); + this->comments_ = std::move(v.comments_); + this->type_ = v.type(); + switch(this->type_) + { + case value_t::boolean : assigner(boolean_ , std::move(v.boolean_ )); break; + case value_t::integer : assigner(integer_ , std::move(v.integer_ )); break; + case value_t::floating : assigner(floating_ , std::move(v.floating_ )); break; + case value_t::string : assigner(string_ , std::move(v.string_ )); break; + case value_t::offset_datetime: assigner(offset_datetime_, std::move(v.offset_datetime_)); break; + case value_t::local_datetime : assigner(local_datetime_ , std::move(v.local_datetime_ )); break; + case value_t::local_date : assigner(local_date_ , std::move(v.local_date_ )); break; + case value_t::local_time : assigner(local_time_ , std::move(v.local_time_ )); break; + case value_t::array : assigner(array_ , std::move(v.array_ )); break; + case value_t::table : assigner(table_ , std::move(v.table_ )); break; + default: break; + } + return *this; + } + + // overwrite comments ---------------------------------------------------- + + basic_value(const basic_value& v, std::vector<std::string> com) + : type_(v.type()), region_info_(v.region_info_), + comments_(std::move(com)) + { + switch(v.type()) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : assigner(array_ , v.array_ ); break; + case value_t::table : assigner(table_ , v.table_ ); break; + default: break; + } + } + + basic_value(basic_value&& v, std::vector<std::string> com) + : type_(v.type()), region_info_(std::move(v.region_info_)), + comments_(std::move(com)) + { + switch(this->type_) // here this->type_ is already initialized + { + case value_t::boolean : assigner(boolean_ , std::move(v.boolean_ )); break; + case value_t::integer : assigner(integer_ , std::move(v.integer_ )); break; + case value_t::floating : assigner(floating_ , std::move(v.floating_ )); break; + case value_t::string : assigner(string_ , std::move(v.string_ )); break; + case value_t::offset_datetime: assigner(offset_datetime_, std::move(v.offset_datetime_)); break; + case value_t::local_datetime : assigner(local_datetime_ , std::move(v.local_datetime_ )); break; + case value_t::local_date : assigner(local_date_ , std::move(v.local_date_ )); break; + case value_t::local_time : assigner(local_time_ , std::move(v.local_time_ )); break; + case value_t::array : assigner(array_ , std::move(v.array_ )); break; + case value_t::table : assigner(table_ , std::move(v.table_ )); break; + default: break; + } + } + + // ----------------------------------------------------------------------- + // conversion between different basic_values. + template<typename C, + template<typename ...> class T, + template<typename ...> class A> + basic_value(const basic_value<C, T, A>& v) + : type_(v.type()), region_info_(v.region_info_), comments_(v.comments()) + { + switch(v.type()) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : + { + array_type tmp(v.as_array(std::nothrow).begin(), + v.as_array(std::nothrow).end()); + assigner(array_, std::move(tmp)); + break; + } + case value_t::table : + { + table_type tmp(v.as_table(std::nothrow).begin(), + v.as_table(std::nothrow).end()); + assigner(table_, std::move(tmp)); + break; + } + default: break; + } + } + template<typename C, + template<typename ...> class T, + template<typename ...> class A> + basic_value(const basic_value<C, T, A>& v, std::vector<std::string> com) + : type_(v.type()), region_info_(v.region_info_), + comments_(std::move(com)) + { + switch(v.type()) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : + { + array_type tmp(v.as_array(std::nothrow).begin(), + v.as_array(std::nothrow).end()); + assigner(array_, std::move(tmp)); + break; + } + case value_t::table : + { + table_type tmp(v.as_table(std::nothrow).begin(), + v.as_table(std::nothrow).end()); + assigner(table_, std::move(tmp)); + break; + } + default: break; + } + } + template<typename C, + template<typename ...> class T, + template<typename ...> class A> + basic_value& operator=(const basic_value<C, T, A>& v) + { + this->region_info_ = v.region_info_; + this->comments_ = comment_type(v.comments()); + this->type_ = v.type(); + switch(v.type()) + { + case value_t::boolean : assigner(boolean_ , v.boolean_ ); break; + case value_t::integer : assigner(integer_ , v.integer_ ); break; + case value_t::floating : assigner(floating_ , v.floating_ ); break; + case value_t::string : assigner(string_ , v.string_ ); break; + case value_t::offset_datetime: assigner(offset_datetime_, v.offset_datetime_); break; + case value_t::local_datetime : assigner(local_datetime_ , v.local_datetime_ ); break; + case value_t::local_date : assigner(local_date_ , v.local_date_ ); break; + case value_t::local_time : assigner(local_time_ , v.local_time_ ); break; + case value_t::array : + { + array_type tmp(v.as_array(std::nothrow).begin(), + v.as_array(std::nothrow).end()); + assigner(array_, std::move(tmp)); + break; + } + case value_t::table : + { + table_type tmp(v.as_table(std::nothrow).begin(), + v.as_table(std::nothrow).end()); + assigner(table_, std::move(tmp)); + break; + } + default: break; + } + return *this; + } + + // boolean ============================================================== + + basic_value(boolean b) + : type_(value_t::boolean), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->boolean_, b); + } + basic_value& operator=(boolean b) + { + this->cleanup(); + this->type_ = value_t::boolean; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->boolean_, b); + return *this; + } + basic_value(boolean b, std::vector<std::string> com) + : type_(value_t::boolean), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->boolean_, b); + } + + // integer ============================================================== + + template<typename T, typename std::enable_if<detail::conjunction< + std::is_integral<T>, detail::negation<std::is_same<T, boolean>>>::value, + std::nullptr_t>::type = nullptr> + basic_value(T i) + : type_(value_t::integer), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->integer_, static_cast<integer>(i)); + } + + template<typename T, typename std::enable_if<detail::conjunction< + std::is_integral<T>, detail::negation<std::is_same<T, boolean>>>::value, + std::nullptr_t>::type = nullptr> + basic_value& operator=(T i) + { + this->cleanup(); + this->type_ = value_t::integer; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->integer_, static_cast<integer>(i)); + return *this; + } + + template<typename T, typename std::enable_if<detail::conjunction< + std::is_integral<T>, detail::negation<std::is_same<T, boolean>>>::value, + std::nullptr_t>::type = nullptr> + basic_value(T i, std::vector<std::string> com) + : type_(value_t::integer), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->integer_, static_cast<integer>(i)); + } + + // floating ============================================================= + + template<typename T, typename std::enable_if< + std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr> + basic_value(T f) + : type_(value_t::floating), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->floating_, static_cast<floating>(f)); + } + + + template<typename T, typename std::enable_if< + std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr> + basic_value& operator=(T f) + { + this->cleanup(); + this->type_ = value_t::floating; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->floating_, static_cast<floating>(f)); + return *this; + } + + template<typename T, typename std::enable_if< + std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr> + basic_value(T f, std::vector<std::string> com) + : type_(value_t::floating), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->floating_, f); + } + + // string =============================================================== + + basic_value(toml::string s) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, std::move(s)); + } + basic_value& operator=(toml::string s) + { + this->cleanup(); + this->type_ = value_t::string ; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->string_, s); + return *this; + } + basic_value(toml::string s, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, std::move(s)); + } + + basic_value(std::string s) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(std::move(s))); + } + basic_value& operator=(std::string s) + { + this->cleanup(); + this->type_ = value_t::string ; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->string_, toml::string(std::move(s))); + return *this; + } + basic_value(std::string s, string_t kind) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(std::move(s), kind)); + } + basic_value(std::string s, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(std::move(s))); + } + basic_value(std::string s, string_t kind, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(std::move(s), kind)); + } + + basic_value(const char* s) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(std::string(s))); + } + basic_value& operator=(const char* s) + { + this->cleanup(); + this->type_ = value_t::string ; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->string_, toml::string(std::string(s))); + return *this; + } + basic_value(const char* s, string_t kind) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(std::string(s), kind)); + } + basic_value(const char* s, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(std::string(s))); + } + basic_value(const char* s, string_t kind, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(std::string(s), kind)); + } + +#if defined(TOML11_USING_STRING_VIEW) && TOML11_USING_STRING_VIEW>0 + basic_value(std::string_view s) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(s)); + } + basic_value& operator=(std::string_view s) + { + this->cleanup(); + this->type_ = value_t::string ; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->string_, toml::string(s)); + return *this; + } + basic_value(std::string_view s, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(s)); + } + basic_value(std::string_view s, string_t kind) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->string_, toml::string(s, kind)); + } + basic_value(std::string_view s, string_t kind, std::vector<std::string> com) + : type_(value_t::string), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->string_, toml::string(s, kind)); + } +#endif + + // local date =========================================================== + + basic_value(const local_date& ld) + : type_(value_t::local_date), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->local_date_, ld); + } + basic_value& operator=(const local_date& ld) + { + this->cleanup(); + this->type_ = value_t::local_date; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->local_date_, ld); + return *this; + } + basic_value(const local_date& ld, std::vector<std::string> com) + : type_(value_t::local_date), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->local_date_, ld); + } + + // local time =========================================================== + + basic_value(const local_time& lt) + : type_(value_t::local_time), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->local_time_, lt); + } + basic_value(const local_time& lt, std::vector<std::string> com) + : type_(value_t::local_time), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->local_time_, lt); + } + basic_value& operator=(const local_time& lt) + { + this->cleanup(); + this->type_ = value_t::local_time; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->local_time_, lt); + return *this; + } + + template<typename Rep, typename Period> + basic_value(const std::chrono::duration<Rep, Period>& dur) + : type_(value_t::local_time), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->local_time_, local_time(dur)); + } + template<typename Rep, typename Period> + basic_value(const std::chrono::duration<Rep, Period>& dur, + std::vector<std::string> com) + : type_(value_t::local_time), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->local_time_, local_time(dur)); + } + template<typename Rep, typename Period> + basic_value& operator=(const std::chrono::duration<Rep, Period>& dur) + { + this->cleanup(); + this->type_ = value_t::local_time; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->local_time_, local_time(dur)); + return *this; + } + + // local datetime ======================================================= + + basic_value(const local_datetime& ldt) + : type_(value_t::local_datetime), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->local_datetime_, ldt); + } + basic_value(const local_datetime& ldt, std::vector<std::string> com) + : type_(value_t::local_datetime), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->local_datetime_, ldt); + } + basic_value& operator=(const local_datetime& ldt) + { + this->cleanup(); + this->type_ = value_t::local_datetime; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->local_datetime_, ldt); + return *this; + } + + // offset datetime ====================================================== + + basic_value(const offset_datetime& odt) + : type_(value_t::offset_datetime), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->offset_datetime_, odt); + } + basic_value(const offset_datetime& odt, std::vector<std::string> com) + : type_(value_t::offset_datetime), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->offset_datetime_, odt); + } + basic_value& operator=(const offset_datetime& odt) + { + this->cleanup(); + this->type_ = value_t::offset_datetime; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->offset_datetime_, odt); + return *this; + } + basic_value(const std::chrono::system_clock::time_point& tp) + : type_(value_t::offset_datetime), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->offset_datetime_, offset_datetime(tp)); + } + basic_value(const std::chrono::system_clock::time_point& tp, + std::vector<std::string> com) + : type_(value_t::offset_datetime), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->offset_datetime_, offset_datetime(tp)); + } + basic_value& operator=(const std::chrono::system_clock::time_point& tp) + { + this->cleanup(); + this->type_ = value_t::offset_datetime; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->offset_datetime_, offset_datetime(tp)); + return *this; + } + + // array ================================================================ + + basic_value(const array_type& ary) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->array_, ary); + } + basic_value(const array_type& ary, std::vector<std::string> com) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->array_, ary); + } + basic_value& operator=(const array_type& ary) + { + this->cleanup(); + this->type_ = value_t::array ; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->array_, ary); + return *this; + } + + // array (initializer_list) ---------------------------------------------- + + template<typename T, typename std::enable_if< + std::is_convertible<T, value_type>::value, + std::nullptr_t>::type = nullptr> + basic_value(std::initializer_list<T> list) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})) + { + array_type ary(list.begin(), list.end()); + assigner(this->array_, std::move(ary)); + } + template<typename T, typename std::enable_if< + std::is_convertible<T, value_type>::value, + std::nullptr_t>::type = nullptr> + basic_value(std::initializer_list<T> list, std::vector<std::string> com) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + array_type ary(list.begin(), list.end()); + assigner(this->array_, std::move(ary)); + } + template<typename T, typename std::enable_if< + std::is_convertible<T, value_type>::value, + std::nullptr_t>::type = nullptr> + basic_value& operator=(std::initializer_list<T> list) + { + this->cleanup(); + this->type_ = value_t::array; + this->region_info_ = std::make_shared<region_base>(region_base{}); + + array_type ary(list.begin(), list.end()); + assigner(this->array_, std::move(ary)); + return *this; + } + + // array (STL Containers) ------------------------------------------------ + + template<typename T, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<T, array_type>>, + detail::is_container<T> + >::value, std::nullptr_t>::type = nullptr> + basic_value(const T& list) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})) + { + static_assert(std::is_convertible<typename T::value_type, value_type>::value, + "elements of a container should be convertible to toml::value"); + + array_type ary(list.size()); + std::copy(list.begin(), list.end(), ary.begin()); + assigner(this->array_, std::move(ary)); + } + template<typename T, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<T, array_type>>, + detail::is_container<T> + >::value, std::nullptr_t>::type = nullptr> + basic_value(const T& list, std::vector<std::string> com) + : type_(value_t::array), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + static_assert(std::is_convertible<typename T::value_type, value_type>::value, + "elements of a container should be convertible to toml::value"); + + array_type ary(list.size()); + std::copy(list.begin(), list.end(), ary.begin()); + assigner(this->array_, std::move(ary)); + } + template<typename T, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<T, array_type>>, + detail::is_container<T> + >::value, std::nullptr_t>::type = nullptr> + basic_value& operator=(const T& list) + { + static_assert(std::is_convertible<typename T::value_type, value_type>::value, + "elements of a container should be convertible to toml::value"); + + this->cleanup(); + this->type_ = value_t::array; + this->region_info_ = std::make_shared<region_base>(region_base{}); + + array_type ary(list.size()); + std::copy(list.begin(), list.end(), ary.begin()); + assigner(this->array_, std::move(ary)); + return *this; + } + + // table ================================================================ + + basic_value(const table_type& tab) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})) + { + assigner(this->table_, tab); + } + basic_value(const table_type& tab, std::vector<std::string> com) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + assigner(this->table_, tab); + } + basic_value& operator=(const table_type& tab) + { + this->cleanup(); + this->type_ = value_t::table; + this->region_info_ = std::make_shared<region_base>(region_base{}); + assigner(this->table_, tab); + return *this; + } + + // initializer-list ------------------------------------------------------ + + basic_value(std::initializer_list<std::pair<key, basic_value>> list) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})) + { + table_type tab; + for(const auto& elem : list) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + } + + basic_value(std::initializer_list<std::pair<key, basic_value>> list, + std::vector<std::string> com) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + table_type tab; + for(const auto& elem : list) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + } + basic_value& operator=(std::initializer_list<std::pair<key, basic_value>> list) + { + this->cleanup(); + this->type_ = value_t::table; + this->region_info_ = std::make_shared<region_base>(region_base{}); + + table_type tab; + for(const auto& elem : list) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + return *this; + } + + // other table-like ----------------------------------------------------- + + template<typename Map, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<Map, table_type>>, + detail::is_map<Map> + >::value, std::nullptr_t>::type = nullptr> + basic_value(const Map& mp) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})) + { + table_type tab; + for(const auto& elem : mp) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + } + template<typename Map, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<Map, table_type>>, + detail::is_map<Map> + >::value, std::nullptr_t>::type = nullptr> + basic_value(const Map& mp, std::vector<std::string> com) + : type_(value_t::table), + region_info_(std::make_shared<region_base>(region_base{})), + comments_(std::move(com)) + { + table_type tab; + for(const auto& elem : mp) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + } + template<typename Map, typename std::enable_if<detail::conjunction< + detail::negation<std::is_same<Map, table_type>>, + detail::is_map<Map> + >::value, std::nullptr_t>::type = nullptr> + basic_value& operator=(const Map& mp) + { + this->cleanup(); + this->type_ = value_t::table; + this->region_info_ = std::make_shared<region_base>(region_base{}); + + table_type tab; + for(const auto& elem : mp) {tab[elem.first] = elem.second;} + assigner(this->table_, std::move(tab)); + return *this; + } + + // user-defined ========================================================= + + // convert using into_toml() method ------------------------------------- + + template<typename T, typename std::enable_if< + detail::has_into_toml_method<T>::value, std::nullptr_t>::type = nullptr> + basic_value(const T& ud): basic_value(ud.into_toml()) {} + + template<typename T, typename std::enable_if< + detail::has_into_toml_method<T>::value, std::nullptr_t>::type = nullptr> + basic_value(const T& ud, std::vector<std::string> com) + : basic_value(ud.into_toml(), std::move(com)) + {} + template<typename T, typename std::enable_if< + detail::has_into_toml_method<T>::value, std::nullptr_t>::type = nullptr> + basic_value& operator=(const T& ud) + { + *this = ud.into_toml(); + return *this; + } + + // convert using into<T> struct ----------------------------------------- + + template<typename T, std::size_t S = sizeof(::toml::into<T>)> + basic_value(const T& ud): basic_value(::toml::into<T>::into_toml(ud)) {} + template<typename T, std::size_t S = sizeof(::toml::into<T>)> + basic_value(const T& ud, std::vector<std::string> com) + : basic_value(::toml::into<T>::into_toml(ud), std::move(com)) + {} + template<typename T, std::size_t S = sizeof(::toml::into<T>)> + basic_value& operator=(const T& ud) + { + *this = ::toml::into<T>::into_toml(ud); + return *this; + } + + // for internal use ------------------------------------------------------ + // + // Those constructors take detail::region that contains parse result. + + basic_value(boolean b, detail::region reg, std::vector<std::string> cm) + : type_(value_t::boolean), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->boolean_, b); + } + template<typename T, typename std::enable_if< + detail::conjunction< + std::is_integral<T>, detail::negation<std::is_same<T, boolean>> + >::value, std::nullptr_t>::type = nullptr> + basic_value(T i, detail::region reg, std::vector<std::string> cm) + : type_(value_t::integer), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->integer_, static_cast<integer>(i)); + } + template<typename T, typename std::enable_if< + std::is_floating_point<T>::value, std::nullptr_t>::type = nullptr> + basic_value(T f, detail::region reg, std::vector<std::string> cm) + : type_(value_t::floating), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->floating_, static_cast<floating>(f)); + } + basic_value(toml::string s, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::string), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->string_, std::move(s)); + } + basic_value(const local_date& ld, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::local_date), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->local_date_, ld); + } + basic_value(const local_time& lt, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::local_time), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->local_time_, lt); + } + basic_value(const local_datetime& ldt, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::local_datetime), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->local_datetime_, ldt); + } + basic_value(const offset_datetime& odt, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::offset_datetime), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->offset_datetime_, odt); + } + basic_value(const array_type& ary, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::array), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->array_, ary); + } + basic_value(const table_type& tab, detail::region reg, + std::vector<std::string> cm) + : type_(value_t::table), + region_info_(std::make_shared<detail::region>(std::move(reg))), + comments_(std::move(cm)) + { + assigner(this->table_, tab); + } + + template<typename T, typename std::enable_if< + detail::is_exact_toml_type<T, value_type>::value, + std::nullptr_t>::type = nullptr> + basic_value(std::pair<T, detail::region> parse_result, std::vector<std::string> com) + : basic_value(std::move(parse_result.first), + std::move(parse_result.second), + std::move(com)) + {} + + // type checking and casting ============================================ + + template<typename T, typename std::enable_if< + detail::is_exact_toml_type<T, value_type>::value, + std::nullptr_t>::type = nullptr> + bool is() const noexcept + { + return detail::type_to_enum<T, value_type>::value == this->type_; + } + bool is(value_t t) const noexcept {return t == this->type_;} + + bool is_uninitialized() const noexcept {return this->is(value_t::empty );} + bool is_boolean() const noexcept {return this->is(value_t::boolean );} + bool is_integer() const noexcept {return this->is(value_t::integer );} + bool is_floating() const noexcept {return this->is(value_t::floating );} + bool is_string() const noexcept {return this->is(value_t::string );} + bool is_offset_datetime() const noexcept {return this->is(value_t::offset_datetime);} + bool is_local_datetime() const noexcept {return this->is(value_t::local_datetime );} + bool is_local_date() const noexcept {return this->is(value_t::local_date );} + bool is_local_time() const noexcept {return this->is(value_t::local_time );} + bool is_array() const noexcept {return this->is(value_t::array );} + bool is_table() const noexcept {return this->is(value_t::table );} + + value_t type() const noexcept {return type_;} + + template<value_t T> + typename detail::enum_to_type<T, value_type>::type& cast() & + { + if(this->type_ != T) + { + detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this); + } + return detail::switch_cast<T>::invoke(*this); + } + template<value_t T> + typename detail::enum_to_type<T, value_type>::type const& cast() const& + { + if(this->type_ != T) + { + detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this); + } + return detail::switch_cast<T>::invoke(*this); + } + template<value_t T> + typename detail::enum_to_type<T, value_type>::type&& cast() && + { + if(this->type_ != T) + { + detail::throw_bad_cast<T>("toml::value::cast: ", this->type_, *this); + } + return detail::switch_cast<T>::invoke(std::move(*this)); + } + + // ------------------------------------------------------------------------ + // nothrow version + + boolean const& as_boolean (const std::nothrow_t&) const& noexcept {return this->boolean_;} + integer const& as_integer (const std::nothrow_t&) const& noexcept {return this->integer_;} + floating const& as_floating (const std::nothrow_t&) const& noexcept {return this->floating_;} + string const& as_string (const std::nothrow_t&) const& noexcept {return this->string_;} + offset_datetime const& as_offset_datetime(const std::nothrow_t&) const& noexcept {return this->offset_datetime_;} + local_datetime const& as_local_datetime (const std::nothrow_t&) const& noexcept {return this->local_datetime_;} + local_date const& as_local_date (const std::nothrow_t&) const& noexcept {return this->local_date_;} + local_time const& as_local_time (const std::nothrow_t&) const& noexcept {return this->local_time_;} + array_type const& as_array (const std::nothrow_t&) const& noexcept {return this->array_.value();} + table_type const& as_table (const std::nothrow_t&) const& noexcept {return this->table_.value();} + + boolean & as_boolean (const std::nothrow_t&) & noexcept {return this->boolean_;} + integer & as_integer (const std::nothrow_t&) & noexcept {return this->integer_;} + floating & as_floating (const std::nothrow_t&) & noexcept {return this->floating_;} + string & as_string (const std::nothrow_t&) & noexcept {return this->string_;} + offset_datetime& as_offset_datetime(const std::nothrow_t&) & noexcept {return this->offset_datetime_;} + local_datetime & as_local_datetime (const std::nothrow_t&) & noexcept {return this->local_datetime_;} + local_date & as_local_date (const std::nothrow_t&) & noexcept {return this->local_date_;} + local_time & as_local_time (const std::nothrow_t&) & noexcept {return this->local_time_;} + array_type & as_array (const std::nothrow_t&) & noexcept {return this->array_.value();} + table_type & as_table (const std::nothrow_t&) & noexcept {return this->table_.value();} + + boolean && as_boolean (const std::nothrow_t&) && noexcept {return std::move(this->boolean_);} + integer && as_integer (const std::nothrow_t&) && noexcept {return std::move(this->integer_);} + floating && as_floating (const std::nothrow_t&) && noexcept {return std::move(this->floating_);} + string && as_string (const std::nothrow_t&) && noexcept {return std::move(this->string_);} + offset_datetime&& as_offset_datetime(const std::nothrow_t&) && noexcept {return std::move(this->offset_datetime_);} + local_datetime && as_local_datetime (const std::nothrow_t&) && noexcept {return std::move(this->local_datetime_);} + local_date && as_local_date (const std::nothrow_t&) && noexcept {return std::move(this->local_date_);} + local_time && as_local_time (const std::nothrow_t&) && noexcept {return std::move(this->local_time_);} + array_type && as_array (const std::nothrow_t&) && noexcept {return std::move(this->array_.value());} + table_type && as_table (const std::nothrow_t&) && noexcept {return std::move(this->table_.value());} + + // ======================================================================== + // throw version + // ------------------------------------------------------------------------ + // const reference {{{ + + boolean const& as_boolean() const& + { + if(this->type_ != value_t::boolean) + { + detail::throw_bad_cast<value_t::boolean>( + "toml::value::as_boolean(): ", this->type_, *this); + } + return this->boolean_; + } + integer const& as_integer() const& + { + if(this->type_ != value_t::integer) + { + detail::throw_bad_cast<value_t::integer>( + "toml::value::as_integer(): ", this->type_, *this); + } + return this->integer_; + } + floating const& as_floating() const& + { + if(this->type_ != value_t::floating) + { + detail::throw_bad_cast<value_t::floating>( + "toml::value::as_floating(): ", this->type_, *this); + } + return this->floating_; + } + string const& as_string() const& + { + if(this->type_ != value_t::string) + { + detail::throw_bad_cast<value_t::string>( + "toml::value::as_string(): ", this->type_, *this); + } + return this->string_; + } + offset_datetime const& as_offset_datetime() const& + { + if(this->type_ != value_t::offset_datetime) + { + detail::throw_bad_cast<value_t::offset_datetime>( + "toml::value::as_offset_datetime(): ", this->type_, *this); + } + return this->offset_datetime_; + } + local_datetime const& as_local_datetime() const& + { + if(this->type_ != value_t::local_datetime) + { + detail::throw_bad_cast<value_t::local_datetime>( + "toml::value::as_local_datetime(): ", this->type_, *this); + } + return this->local_datetime_; + } + local_date const& as_local_date() const& + { + if(this->type_ != value_t::local_date) + { + detail::throw_bad_cast<value_t::local_date>( + "toml::value::as_local_date(): ", this->type_, *this); + } + return this->local_date_; + } + local_time const& as_local_time() const& + { + if(this->type_ != value_t::local_time) + { + detail::throw_bad_cast<value_t::local_time>( + "toml::value::as_local_time(): ", this->type_, *this); + } + return this->local_time_; + } + array_type const& as_array() const& + { + if(this->type_ != value_t::array) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::as_array(): ", this->type_, *this); + } + return this->array_.value(); + } + table_type const& as_table() const& + { + if(this->type_ != value_t::table) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::as_table(): ", this->type_, *this); + } + return this->table_.value(); + } + // }}} + // ------------------------------------------------------------------------ + // nonconst reference {{{ + + boolean & as_boolean() & + { + if(this->type_ != value_t::boolean) + { + detail::throw_bad_cast<value_t::boolean>( + "toml::value::as_boolean(): ", this->type_, *this); + } + return this->boolean_; + } + integer & as_integer() & + { + if(this->type_ != value_t::integer) + { + detail::throw_bad_cast<value_t::integer>( + "toml::value::as_integer(): ", this->type_, *this); + } + return this->integer_; + } + floating & as_floating() & + { + if(this->type_ != value_t::floating) + { + detail::throw_bad_cast<value_t::floating>( + "toml::value::as_floating(): ", this->type_, *this); + } + return this->floating_; + } + string & as_string() & + { + if(this->type_ != value_t::string) + { + detail::throw_bad_cast<value_t::string>( + "toml::value::as_string(): ", this->type_, *this); + } + return this->string_; + } + offset_datetime & as_offset_datetime() & + { + if(this->type_ != value_t::offset_datetime) + { + detail::throw_bad_cast<value_t::offset_datetime>( + "toml::value::as_offset_datetime(): ", this->type_, *this); + } + return this->offset_datetime_; + } + local_datetime & as_local_datetime() & + { + if(this->type_ != value_t::local_datetime) + { + detail::throw_bad_cast<value_t::local_datetime>( + "toml::value::as_local_datetime(): ", this->type_, *this); + } + return this->local_datetime_; + } + local_date & as_local_date() & + { + if(this->type_ != value_t::local_date) + { + detail::throw_bad_cast<value_t::local_date>( + "toml::value::as_local_date(): ", this->type_, *this); + } + return this->local_date_; + } + local_time & as_local_time() & + { + if(this->type_ != value_t::local_time) + { + detail::throw_bad_cast<value_t::local_time>( + "toml::value::as_local_time(): ", this->type_, *this); + } + return this->local_time_; + } + array_type & as_array() & + { + if(this->type_ != value_t::array) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::as_array(): ", this->type_, *this); + } + return this->array_.value(); + } + table_type & as_table() & + { + if(this->type_ != value_t::table) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::as_table(): ", this->type_, *this); + } + return this->table_.value(); + } + + // }}} + // ------------------------------------------------------------------------ + // rvalue reference {{{ + + boolean && as_boolean() && + { + if(this->type_ != value_t::boolean) + { + detail::throw_bad_cast<value_t::boolean>( + "toml::value::as_boolean(): ", this->type_, *this); + } + return std::move(this->boolean_); + } + integer && as_integer() && + { + if(this->type_ != value_t::integer) + { + detail::throw_bad_cast<value_t::integer>( + "toml::value::as_integer(): ", this->type_, *this); + } + return std::move(this->integer_); + } + floating && as_floating() && + { + if(this->type_ != value_t::floating) + { + detail::throw_bad_cast<value_t::floating>( + "toml::value::as_floating(): ", this->type_, *this); + } + return std::move(this->floating_); + } + string && as_string() && + { + if(this->type_ != value_t::string) + { + detail::throw_bad_cast<value_t::string>( + "toml::value::as_string(): ", this->type_, *this); + } + return std::move(this->string_); + } + offset_datetime && as_offset_datetime() && + { + if(this->type_ != value_t::offset_datetime) + { + detail::throw_bad_cast<value_t::offset_datetime>( + "toml::value::as_offset_datetime(): ", this->type_, *this); + } + return std::move(this->offset_datetime_); + } + local_datetime && as_local_datetime() && + { + if(this->type_ != value_t::local_datetime) + { + detail::throw_bad_cast<value_t::local_datetime>( + "toml::value::as_local_datetime(): ", this->type_, *this); + } + return std::move(this->local_datetime_); + } + local_date && as_local_date() && + { + if(this->type_ != value_t::local_date) + { + detail::throw_bad_cast<value_t::local_date>( + "toml::value::as_local_date(): ", this->type_, *this); + } + return std::move(this->local_date_); + } + local_time && as_local_time() && + { + if(this->type_ != value_t::local_time) + { + detail::throw_bad_cast<value_t::local_time>( + "toml::value::as_local_time(): ", this->type_, *this); + } + return std::move(this->local_time_); + } + array_type && as_array() && + { + if(this->type_ != value_t::array) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::as_array(): ", this->type_, *this); + } + return std::move(this->array_.value()); + } + table_type && as_table() && + { + if(this->type_ != value_t::table) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::as_table(): ", this->type_, *this); + } + return std::move(this->table_.value()); + } + // }}} + + // accessors ============================================================= + // + // may throw type_error or out_of_range + // + value_type& at(const key& k) + { + if(!this->is_table()) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::at(key): ", this->type_, *this); + } + if(this->as_table(std::nothrow).count(k) == 0) + { + detail::throw_key_not_found_error(*this, k); + } + return this->as_table(std::nothrow).at(k); + } + value_type const& at(const key& k) const + { + if(!this->is_table()) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::at(key): ", this->type_, *this); + } + if(this->as_table(std::nothrow).count(k) == 0) + { + detail::throw_key_not_found_error(*this, k); + } + return this->as_table(std::nothrow).at(k); + } + value_type& operator[](const key& k) + { + if(this->is_uninitialized()) + { + *this = table_type{}; + } + else if(!this->is_table()) // initialized, but not a table + { + detail::throw_bad_cast<value_t::table>( + "toml::value::operator[](key): ", this->type_, *this); + } + return this->as_table(std::nothrow)[k]; + } + + value_type& at(const std::size_t idx) + { + if(!this->is_array()) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::at(idx): ", this->type_, *this); + } + if(this->as_array(std::nothrow).size() <= idx) + { + throw std::out_of_range(detail::format_underline( + "toml::value::at(idx): no element corresponding to the index", { + {this->location(), concat_to_string("the length is ", + this->as_array(std::nothrow).size(), + ", and the specified index is ", idx)} + })); + } + return this->as_array().at(idx); + } + value_type const& at(const std::size_t idx) const + { + if(!this->is_array()) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::at(idx): ", this->type_, *this); + } + if(this->as_array(std::nothrow).size() <= idx) + { + throw std::out_of_range(detail::format_underline( + "toml::value::at(idx): no element corresponding to the index", { + {this->location(), concat_to_string("the length is ", + this->as_array(std::nothrow).size(), + ", and the specified index is ", idx)} + })); + } + return this->as_array(std::nothrow).at(idx); + } + + value_type& operator[](const std::size_t idx) noexcept + { + // no check... + return this->as_array(std::nothrow)[idx]; + } + value_type const& operator[](const std::size_t idx) const noexcept + { + // no check... + return this->as_array(std::nothrow)[idx]; + } + + void push_back(const value_type& x) + { + if(!this->is_array()) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::push_back(value): ", this->type_, *this); + } + this->as_array(std::nothrow).push_back(x); + return; + } + void push_back(value_type&& x) + { + if(!this->is_array()) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::push_back(value): ", this->type_, *this); + } + this->as_array(std::nothrow).push_back(std::move(x)); + return; + } + + template<typename ... Ts> + value_type& emplace_back(Ts&& ... args) + { + if(!this->is_array()) + { + detail::throw_bad_cast<value_t::array>( + "toml::value::emplace_back(...): ", this->type_, *this); + } + this->as_array(std::nothrow).emplace_back(std::forward<Ts>(args) ...); + return this->as_array(std::nothrow).back(); + } + + std::size_t size() const + { + switch(this->type_) + { + case value_t::array: + { + return this->as_array(std::nothrow).size(); + } + case value_t::table: + { + return this->as_table(std::nothrow).size(); + } + case value_t::string: + { + return this->as_string(std::nothrow).str.size(); + } + default: + { + throw type_error(detail::format_underline( + "toml::value::size(): bad_cast to container types", { + {this->location(), + concat_to_string("the actual type is ", this->type_)} + }), this->location()); + } + } + } + + std::size_t count(const key_type& k) const + { + if(!this->is_table()) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::count(key): ", this->type_, *this); + } + return this->as_table(std::nothrow).count(k); + } + + bool contains(const key_type& k) const + { + if(!this->is_table()) + { + detail::throw_bad_cast<value_t::table>( + "toml::value::contains(key): ", this->type_, *this); + } + return (this->as_table(std::nothrow).count(k) != 0); + } + + source_location location() const + { + return source_location(this->region_info_.get()); + } + + comment_type const& comments() const noexcept {return this->comments_;} + comment_type& comments() noexcept {return this->comments_;} + + private: + + void cleanup() noexcept + { + switch(this->type_) + { + case value_t::string : {string_.~string(); return;} + case value_t::array : {array_.~array_storage(); return;} + case value_t::table : {table_.~table_storage(); return;} + default : return; + } + } + + // for error messages + template<typename Value> + friend region_base const* detail::get_region(const Value& v); + + template<typename Value> + friend void detail::change_region(Value& v, detail::region reg); + + private: + + using array_storage = detail::storage<array_type>; + using table_storage = detail::storage<table_type>; + + value_t type_; + union + { + boolean boolean_; + integer integer_; + floating floating_; + string string_; + offset_datetime offset_datetime_; + local_datetime local_datetime_; + local_date local_date_; + local_time local_time_; + array_storage array_; + table_storage table_; + }; + std::shared_ptr<region_base> region_info_; + comment_type comments_; +}; + +// default toml::value and default array/table. +// TOML11_DEFAULT_COMMENT_STRATEGY is defined in comments.hpp +using value = basic_value<TOML11_DEFAULT_COMMENT_STRATEGY, std::unordered_map, std::vector>; +using array = typename value::array_type; +using table = typename value::table_type; + +template<typename C, template<typename ...> class T, template<typename ...> class A> +inline bool +operator==(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + if(lhs.type() != rhs.type()) {return false;} + if(lhs.comments() != rhs.comments()) {return false;} + + switch(lhs.type()) + { + case value_t::boolean : + { + return lhs.as_boolean() == rhs.as_boolean(); + } + case value_t::integer : + { + return lhs.as_integer() == rhs.as_integer(); + } + case value_t::floating : + { + return lhs.as_floating() == rhs.as_floating(); + } + case value_t::string : + { + return lhs.as_string() == rhs.as_string(); + } + case value_t::offset_datetime: + { + return lhs.as_offset_datetime() == rhs.as_offset_datetime(); + } + case value_t::local_datetime: + { + return lhs.as_local_datetime() == rhs.as_local_datetime(); + } + case value_t::local_date: + { + return lhs.as_local_date() == rhs.as_local_date(); + } + case value_t::local_time: + { + return lhs.as_local_time() == rhs.as_local_time(); + } + case value_t::array : + { + return lhs.as_array() == rhs.as_array(); + } + case value_t::table : + { + return lhs.as_table() == rhs.as_table(); + } + case value_t::empty : {return true; } + default: {return false;} + } +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +inline bool operator!=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + return !(lhs == rhs); +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +typename std::enable_if<detail::conjunction< + detail::is_comparable<typename basic_value<C, T, A>::array_type>, + detail::is_comparable<typename basic_value<C, T, A>::table_type> + >::value, bool>::type +operator<(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + if(lhs.type() != rhs.type()){return (lhs.type() < rhs.type());} + switch(lhs.type()) + { + case value_t::boolean : + { + return lhs.as_boolean() < rhs.as_boolean() || + (lhs.as_boolean() == rhs.as_boolean() && + lhs.comments() < rhs.comments()); + } + case value_t::integer : + { + return lhs.as_integer() < rhs.as_integer() || + (lhs.as_integer() == rhs.as_integer() && + lhs.comments() < rhs.comments()); + } + case value_t::floating : + { + return lhs.as_floating() < rhs.as_floating() || + (lhs.as_floating() == rhs.as_floating() && + lhs.comments() < rhs.comments()); + } + case value_t::string : + { + return lhs.as_string() < rhs.as_string() || + (lhs.as_string() == rhs.as_string() && + lhs.comments() < rhs.comments()); + } + case value_t::offset_datetime: + { + return lhs.as_offset_datetime() < rhs.as_offset_datetime() || + (lhs.as_offset_datetime() == rhs.as_offset_datetime() && + lhs.comments() < rhs.comments()); + } + case value_t::local_datetime: + { + return lhs.as_local_datetime() < rhs.as_local_datetime() || + (lhs.as_local_datetime() == rhs.as_local_datetime() && + lhs.comments() < rhs.comments()); + } + case value_t::local_date: + { + return lhs.as_local_date() < rhs.as_local_date() || + (lhs.as_local_date() == rhs.as_local_date() && + lhs.comments() < rhs.comments()); + } + case value_t::local_time: + { + return lhs.as_local_time() < rhs.as_local_time() || + (lhs.as_local_time() == rhs.as_local_time() && + lhs.comments() < rhs.comments()); + } + case value_t::array : + { + return lhs.as_array() < rhs.as_array() || + (lhs.as_array() == rhs.as_array() && + lhs.comments() < rhs.comments()); + } + case value_t::table : + { + return lhs.as_table() < rhs.as_table() || + (lhs.as_table() == rhs.as_table() && + lhs.comments() < rhs.comments()); + } + case value_t::empty : + { + return lhs.comments() < rhs.comments(); + } + default: + { + return lhs.comments() < rhs.comments(); + } + } +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +typename std::enable_if<detail::conjunction< + detail::is_comparable<typename basic_value<C, T, A>::array_type>, + detail::is_comparable<typename basic_value<C, T, A>::table_type> + >::value, bool>::type +operator<=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + return (lhs < rhs) || (lhs == rhs); +} +template<typename C, template<typename ...> class T, template<typename ...> class A> +typename std::enable_if<detail::conjunction< + detail::is_comparable<typename basic_value<C, T, A>::array_type>, + detail::is_comparable<typename basic_value<C, T, A>::table_type> + >::value, bool>::type +operator>(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + return !(lhs <= rhs); +} +template<typename C, template<typename ...> class T, template<typename ...> class A> +typename std::enable_if<detail::conjunction< + detail::is_comparable<typename basic_value<C, T, A>::array_type>, + detail::is_comparable<typename basic_value<C, T, A>::table_type> + >::value, bool>::type +operator>=(const basic_value<C, T, A>& lhs, const basic_value<C, T, A>& rhs) +{ + return !(lhs < rhs); +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +inline std::string format_error(const std::string& err_msg, + const basic_value<C, T, A>& v, const std::string& comment, + std::vector<std::string> hints = {}, + const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED) +{ + return detail::format_underline(err_msg, {{v.location(), comment}}, + std::move(hints), colorize); +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +inline std::string format_error(const std::string& err_msg, + const toml::basic_value<C, T, A>& v1, const std::string& comment1, + const toml::basic_value<C, T, A>& v2, const std::string& comment2, + std::vector<std::string> hints = {}, + const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED) +{ + return detail::format_underline(err_msg, { + {v1.location(), comment1}, {v2.location(), comment2} + }, std::move(hints), colorize); +} + +template<typename C, template<typename ...> class T, template<typename ...> class A> +inline std::string format_error(const std::string& err_msg, + const toml::basic_value<C, T, A>& v1, const std::string& comment1, + const toml::basic_value<C, T, A>& v2, const std::string& comment2, + const toml::basic_value<C, T, A>& v3, const std::string& comment3, + std::vector<std::string> hints = {}, + const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED) +{ + return detail::format_underline(err_msg, {{v1.location(), comment1}, + {v2.location(), comment2}, {v3.location(), comment3} + }, std::move(hints), colorize); +} + +template<typename Visitor, typename C, + template<typename ...> class T, template<typename ...> class A> +detail::return_type_of_t<Visitor, const toml::boolean&> +visit(Visitor&& visitor, const toml::basic_value<C, T, A>& v) +{ + switch(v.type()) + { + case value_t::boolean : {return visitor(v.as_boolean ());} + case value_t::integer : {return visitor(v.as_integer ());} + case value_t::floating : {return visitor(v.as_floating ());} + case value_t::string : {return visitor(v.as_string ());} + case value_t::offset_datetime: {return visitor(v.as_offset_datetime());} + case value_t::local_datetime : {return visitor(v.as_local_datetime ());} + case value_t::local_date : {return visitor(v.as_local_date ());} + case value_t::local_time : {return visitor(v.as_local_time ());} + case value_t::array : {return visitor(v.as_array ());} + case value_t::table : {return visitor(v.as_table ());} + case value_t::empty : break; + default: break; + } + throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value " + "does not have any valid basic_value.", v, "here")); +} + +template<typename Visitor, typename C, + template<typename ...> class T, template<typename ...> class A> +detail::return_type_of_t<Visitor, toml::boolean&> +visit(Visitor&& visitor, toml::basic_value<C, T, A>& v) +{ + switch(v.type()) + { + case value_t::boolean : {return visitor(v.as_boolean ());} + case value_t::integer : {return visitor(v.as_integer ());} + case value_t::floating : {return visitor(v.as_floating ());} + case value_t::string : {return visitor(v.as_string ());} + case value_t::offset_datetime: {return visitor(v.as_offset_datetime());} + case value_t::local_datetime : {return visitor(v.as_local_datetime ());} + case value_t::local_date : {return visitor(v.as_local_date ());} + case value_t::local_time : {return visitor(v.as_local_time ());} + case value_t::array : {return visitor(v.as_array ());} + case value_t::table : {return visitor(v.as_table ());} + case value_t::empty : break; + default: break; + } + throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value " + "does not have any valid basic_value.", v, "here")); +} + +template<typename Visitor, typename C, + template<typename ...> class T, template<typename ...> class A> +detail::return_type_of_t<Visitor, toml::boolean&&> +visit(Visitor&& visitor, toml::basic_value<C, T, A>&& v) +{ + switch(v.type()) + { + case value_t::boolean : {return visitor(std::move(v.as_boolean ()));} + case value_t::integer : {return visitor(std::move(v.as_integer ()));} + case value_t::floating : {return visitor(std::move(v.as_floating ()));} + case value_t::string : {return visitor(std::move(v.as_string ()));} + case value_t::offset_datetime: {return visitor(std::move(v.as_offset_datetime()));} + case value_t::local_datetime : {return visitor(std::move(v.as_local_datetime ()));} + case value_t::local_date : {return visitor(std::move(v.as_local_date ()));} + case value_t::local_time : {return visitor(std::move(v.as_local_time ()));} + case value_t::array : {return visitor(std::move(v.as_array ()));} + case value_t::table : {return visitor(std::move(v.as_table ()));} + case value_t::empty : break; + default: break; + } + throw std::runtime_error(format_error("[error] toml::visit: toml::basic_value " + "does not have any valid basic_value.", v, "here")); +} + +}// toml +#endif// TOML11_VALUE
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/toml11/toml/version.hpp Wed Jun 12 05:25:41 2024 -0400 @@ -0,0 +1,42 @@ +#ifndef TOML11_VERSION_HPP +#define TOML11_VERSION_HPP + +// This file checks C++ version. + +#ifndef __cplusplus +# error "__cplusplus is not defined" +#endif + +// Since MSVC does not define `__cplusplus` correctly unless you pass +// `/Zc:__cplusplus` when compiling, the workaround macros are added. +// Those enables you to define version manually or to use MSVC specific +// version macro automatically. +// +// The value of `__cplusplus` macro is defined in the C++ standard spec, but +// MSVC ignores the value, maybe because of backward compatibility. Instead, +// MSVC defines _MSVC_LANG that has the same value as __cplusplus defined in +// the C++ standard. First we check the manual version definition, and then +// we check if _MSVC_LANG is defined. If neither, use normal `__cplusplus`. +// +// FYI: https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus?view=msvc-170 +// https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=msvc-170 +// +#if defined(TOML11_ENFORCE_CXX11) +# define TOML11_CPLUSPLUS_STANDARD_VERSION 201103L +#elif defined(TOML11_ENFORCE_CXX14) +# define TOML11_CPLUSPLUS_STANDARD_VERSION 201402L +#elif defined(TOML11_ENFORCE_CXX17) +# define TOML11_CPLUSPLUS_STANDARD_VERSION 201703L +#elif defined(TOML11_ENFORCE_CXX20) +# define TOML11_CPLUSPLUS_STANDARD_VERSION 202002L +#elif defined(_MSVC_LANG) && defined(_MSC_VER) && 1910 <= _MSC_VER +# define TOML11_CPLUSPLUS_STANDARD_VERSION _MSVC_LANG +#else +# define TOML11_CPLUSPLUS_STANDARD_VERSION __cplusplus +#endif + +#if TOML11_CPLUSPLUS_STANDARD_VERSION < 201103L && _MSC_VER < 1900 +# error "toml11 requires C++11 or later." +#endif + +#endif// TOML11_VERSION_HPP
--- a/include/core/config.h Wed Jun 12 04:07:10 2024 -0400 +++ b/include/core/config.h Wed Jun 12 05:25:41 2024 -0400 @@ -70,6 +70,6 @@ constexpr std::string_view CONFIG_DIR = "minori"; #endif -constexpr std::string_view CONFIG_NAME = "config.ini"; +constexpr std::string_view CONFIG_NAME = "config.toml"; #endif // MINORI_CORE_CONFIG_H_
--- a/include/core/ini.h Wed Jun 12 04:07:10 2024 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,21 +0,0 @@ -#ifndef MINORI_CORE_INI_H_ -#define MINORI_CORE_INI_H_ - -#define MINI_CASE_SENSITIVE -#include "core/strings.h" -#include "mini/ini.h" -#include <string> - -namespace INI { - -std::string GetIniString(const mINI::INIStructure& ini, const std::string& section, const std::string& key, const std::string& def); -bool GetIniBool(const mINI::INIStructure& ini, const std::string& section, const std::string& key, bool def); - -template<typename T> -T GetIniInteger(const mINI::INIStructure& ini, const std::string& section, const std::string& key, T def) { - return Strings::ToInt<T>(GetIniString(ini, section, key, ""), def); -} - -} // namespace INI - -#endif
--- a/src/core/config.cc Wed Jun 12 04:07:10 2024 -0400 +++ b/src/core/config.cc Wed Jun 12 05:25:41 2024 -0400 @@ -1,11 +1,6 @@ -/** - * config.cpp: - * parses the config... lol - **/ #include "core/config.h" #include "core/anime.h" #include "core/filesystem.h" -#include "core/ini.h" #include "core/json.h" #include "core/strings.h" #include "gui/translate/anime.h" @@ -20,59 +15,60 @@ #include <fstream> #include <limits.h> +#include <toml11/toml.hpp> + #include <QFile> #include <QTextStream> #include <iostream> -/* I'll use an INI-based config file instead of using an - * XML file like Taiga. - * - * It technically isn't to spec, because I'm making these case-sensitive. - * Boohoo. - */ +/* NOTE: This config file is prone to breakage, as Minori is alpha software and + * as such nothing is constant. */ int Config::Load() { std::filesystem::path cfg_path = Filesystem::GetConfigPath(); - mINI::INIFile file(cfg_path.u8string()); - mINI::INIStructure ini; - file.read(ini); + std::ifstream ifs(cfg_path, std::ios_base::binary); + if (!ifs.good()) + return 0; - service = Translate::ToService(INI::GetIniString(ini, "General", "Service", "None")); + toml::value data; - anime_list.score_format = - Translate::ToScoreFormat(INI::GetIniString(ini, "Anime List", "Score format", "POINT_100")); - anime_list.language = - Translate::ToLanguage(INI::GetIniString(ini, "Anime List", "Title language", "Romaji")); - anime_list.display_aired_episodes = INI::GetIniBool(ini, "Anime List", "Display only aired episodes", true); - anime_list.display_available_episodes = - INI::GetIniBool(ini, "Anime List", "Display only available episodes in library", true); - anime_list.highlight_anime_if_available = - INI::GetIniBool(ini, "Anime List", "Highlight anime if available", true); + try { + data = toml::parse(ifs); + } catch (const std::exception& ex) { + std::cerr << "config: failed to parse toml with error " << ex.what() << std::endl; + return 0; + } + + service = Translate::ToService(toml::find_or(data, "General", "Service", "None")); + locale.RefreshAvailableLocales(); + locale.SetActiveLocale(QLocale(Strings::ToQString(toml::find_or(data, "General", "Locale", "en_US")))); + - if (anime_list.highlight_anime_if_available) // sanity check - anime_list.highlighted_anime_above_others = - INI::GetIniBool(ini, "Anime List", "Display highlighted anime above others", false); - else - anime_list.highlighted_anime_above_others = false; - - auth.anilist.auth_token = INI::GetIniString(ini, "Authentication/AniList", "Auth Token", ""); - auth.anilist.user_id = INI::GetIniInteger<int>(ini, "Authentication/AniList", "User ID", 0); + anime_list.score_format = Translate::ToScoreFormat(toml::find_or(data, "Anime List", "Score format", "100-point")); + anime_list.language = Translate::ToLanguage(toml::find_or(data, "Anime List", "Title language", "Romaji")); + anime_list.display_aired_episodes = toml::find_or<bool>(data, "Anime List", "Display only aired episodes", true); + anime_list.display_available_episodes = toml::find_or<bool>(data, "Anime List", "Display only available episodes in library", true); + anime_list.highlight_anime_if_available = toml::find_or<bool>(data, "Anime List", "Highlight anime if available", true); + anime_list.highlighted_anime_above_others = + (anime_list.highlight_anime_if_available) + ? toml::find_or<bool>(data, "Anime List", "Display highlighted anime above others", false) + : false; - auth.kitsu.access_token = INI::GetIniString(ini, "Authentication/Kitsu", "Access Token", ""); - auth.kitsu.access_token_expiration = INI::GetIniInteger<Time::Timestamp>(ini, "Authentication/Kitsu", "Access Token Expiration", 0); - auth.kitsu.refresh_token = INI::GetIniString(ini, "Authentication/Kitsu", "Refresh Token", ""); - auth.kitsu.user_id = INI::GetIniString(ini, "Authentication/Kitsu", "User ID", ""); + auth.anilist.auth_token = toml::find_or(data, "Authentication/AniList", "Auth Token", ""); + auth.anilist.user_id = toml::find_or<int>(data, "Authentication/AniList", "User ID", 0); - torrents.feed_link = INI::GetIniString(ini, "Torrents", "RSS feed", - "https://www.tokyotosho.info/rss.php?filter=1,11&zwnj=0"); + auth.kitsu.access_token = toml::find_or(data, "Authentication/Kitsu", "Access Token", ""); + auth.kitsu.access_token_expiration = toml::find_or(data, "Authentication/Kitsu", "Access Token Expiration", 0LL); + auth.kitsu.refresh_token = toml::find_or(data, "Authentication/Kitsu", "Refresh Token", ""); + auth.kitsu.user_id = toml::find_or(data, "Authentication/Kitsu", "User ID", ""); - recognition.detect_media_players = INI::GetIniBool(ini, "Recognition", "Detect media players", true); + torrents.feed_link = toml::find_or(data, "Torrents", "RSS feed", "https://www.tokyotosho.info/rss.php?filter=1,11&zwnj=0"); - /* lots of dumb logic to import the player data */ + recognition.detect_media_players = toml::find_or(data, "Recognition", "Detect media players", true); + { - /* load the player data */ QFile f(":/players.anisthesia"); if (!f.exists()) return false; @@ -94,28 +90,26 @@ switch (player.type) { default: case animone::PlayerType::Default: - enabled = INI::GetIniBool(ini, "Recognition/Players", player.name, true); + enabled = toml::find_or<bool>(data, "Recognition/Players", player.name, true); break; case animone::PlayerType::WebBrowser: - enabled = INI::GetIniBool(ini, "Recognition/Browsers", player.name, true); + enabled = toml::find_or<bool>(data, "Recognition/Browsers", player.name, true); break; } } - locale.RefreshAvailableLocales(); - locale.SetActiveLocale( - QLocale(Strings::ToQString(INI::GetIniString(ini, "General", "Locale", "en_US")))); + + theme.SetTheme(Translate::ToTheme(toml::find_or(data, "Appearance", "Theme", "Default"))); - theme.SetTheme(Translate::ToTheme(INI::GetIniString(ini, "Appearance", "Theme", "Default"))); - - { - std::vector<std::string> v = Strings::Split(INI::GetIniString(ini, "Library", "Folders", ""), ";"); + if (data.contains("Library") && data["Library"].contains("Folders")) { + const toml::value& folders = toml::find(data, "Library", "Folders"); + std::vector<std::string> v = toml::get_or<std::vector<std::string>>(folders, {}); for (const auto& s : v) if (!library.paths.count(s)) library.paths.insert(s); } - library.real_time_monitor = INI::GetIniBool(ini, "Library", "Real-time monitor", true); + library.real_time_monitor = toml::find_or(data, "Library", "Real-time monitor", true); return 0; } @@ -124,42 +118,45 @@ std::filesystem::path cfg_path = Filesystem::GetConfigPath(); Filesystem::CreateDirectories(cfg_path); - mINI::INIFile file(cfg_path.string()); - mINI::INIStructure ini; - - ini["General"]["Service"] = Translate::ToString(service); - ini["General"]["Locale"] = Strings::ToUtf8String(locale.GetLocale().name()); - - ini["Anime List"]["Score format"] = Translate::ToString(anime_list.score_format); - ini["Anime List"]["Title language"] = Translate::ToString(anime_list.language); - ini["Anime List"]["Display only aired episodes"] = Strings::ToUtf8String(anime_list.display_aired_episodes); - ini["Anime List"]["Display only available episodes in library"] = Strings::ToUtf8String(anime_list.display_available_episodes); - ini["Anime List"]["Highlight anime if available"] = Strings::ToUtf8String(anime_list.highlight_anime_if_available); - ini["Anime List"]["Display highlighted anime above others"] = Strings::ToUtf8String(anime_list.highlighted_anime_above_others); + std::ofstream file(cfg_path); + if (!file.good()) + return 0; - ini["Authentication/AniList"]["Auth Token"] = auth.anilist.auth_token; - ini["Authentication/AniList"]["User ID"] = Strings::ToUtf8String(auth.anilist.user_id); + toml::value data; - ini["Authentication/Kitsu"]["Access Token"] = auth.kitsu.access_token; - ini["Authentication/Kitsu"]["Access Token Expiration"] = Strings::ToUtf8String(auth.kitsu.access_token_expiration); - ini["Authentication/Kitsu"]["Refresh Token"] = auth.kitsu.refresh_token; - ini["Authentication/Kitsu"]["User ID"] = auth.kitsu.user_id; - - ini["Appearance"]["Theme"] = Translate::ToString(theme.GetTheme()); - - ini["Torrents"]["RSS feed"] = torrents.feed_link; - - ini["Recognition"]["Detect media players"] = Strings::ToUtf8String(recognition.detect_media_players); + data["Library"]["Folders"] = library.paths; + data["Library"]["Real-time monitor"] = library.real_time_monitor; for (const auto& [enabled, player] : recognition.players) { const std::string section = (player.type == animone::PlayerType::WebBrowser) ? "Recognition/Players" : "Recognition/Browsers"; - ini[section][player.name] = Strings::ToUtf8String(enabled); + data[section][player.name] = enabled; } - ini["Library"]["Folders"] = Strings::Implode(library.paths, ";"); - ini["Library"]["Real-time monitor"] = Strings::ToUtf8String(library.real_time_monitor); + data["Recognition"]["Detect media players"] = recognition.detect_media_players; + + data["Torrents"]["RSS feed"] = torrents.feed_link; + + data["Authentication/Kitsu"]["Access Token"] = auth.kitsu.access_token; + data["Authentication/Kitsu"]["Access Token Expiration"] = auth.kitsu.access_token_expiration; + data["Authentication/Kitsu"]["Refresh Token"] = auth.kitsu.refresh_token; + data["Authentication/Kitsu"]["User ID"] = auth.kitsu.user_id; + + data["Authentication/AniList"]["Auth Token"] = auth.anilist.auth_token; + data["Authentication/AniList"]["User ID"] = auth.anilist.user_id; - file.write(ini); + data["Anime List"]["Score format"] = Translate::ToString(anime_list.score_format); + data["Anime List"]["Title language"] = Translate::ToString(anime_list.language); + data["Anime List"]["Display only aired episodes"] = anime_list.display_aired_episodes; + data["Anime List"]["Display only available episodes in library"] = anime_list.display_available_episodes; + data["Anime List"]["Highlight anime if available"] = anime_list.highlight_anime_if_available; + data["Anime List"]["Display highlighted anime above others"] = anime_list.highlighted_anime_above_others; + + data["Appearance"]["Theme"] = Translate::ToString(theme.GetTheme()); + + data["General"]["Service"] = Translate::ToString(service); + data["General"]["Locale"] = Strings::ToUtf8String(locale.GetLocale().name()); + + file << std::setw(0) << data; return 0; }
--- a/src/core/ini.cc Wed Jun 12 04:07:10 2024 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,16 +0,0 @@ -#include "core/ini.h" - -namespace INI { - -std::string GetIniString(const mINI::INIStructure& ini, const std::string& section, const std::string& key, const std::string& def) { - if (!ini.has(section) || !ini.get(section).has(key)) - return def; - - return ini.get(section).get(key); -} - -bool GetIniBool(const mINI::INIStructure& ini, const std::string& section, const std::string& key, bool def) { - return Strings::ToBool(GetIniString(ini, section, key, ""), def); -} - -}
--- a/src/gui/dialog/about.cc Wed Jun 12 04:07:10 2024 -0400 +++ b/src/gui/dialog/about.cc Wed Jun 12 05:25:41 2024 -0400 @@ -76,8 +76,6 @@ Strings::ToQString(pugixml_version.to_string()) + "</a>" ", " - "<a href=\"https://github.com/pulzed/mINI\">mINI v0.9.14</a>" - ", " "<a href=\"https://github.com/Neargye/semver\">semver v" + Strings::ToQString(semver_version.to_string()) + "</a>"