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comparison include/core/strings.h @ 122:bc218c9d2ea6

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strings: convert ToInt() to be a template ini: conform to new strings.cc changes
author Paper <mrpapersonic@gmail.com>
date Wed, 08 Nov 2023 21:36:09 -0500
parents 39521c47c7a3
children bc8d2ccff09c
comparison
equal deleted inserted replaced
121:a66c47c1ba3c 122:bc218c9d2ea6
2 #define __core__strings_h 2 #define __core__strings_h
3 3
4 #include <string> 4 #include <string>
5 #include <vector> 5 #include <vector>
6 #include <array> 6 #include <array>
7 #include <limits>
8 #include <stdexcept>
7 #include <cstdint> 9 #include <cstdint>
8 10
9 class QString; 11 class QString;
10 class QByteArray; 12 class QByteArray;
11 13
37 std::string ToUtf8String(const QByteArray& ba); 39 std::string ToUtf8String(const QByteArray& ba);
38 QString ToQString(const std::string& string); 40 QString ToQString(const std::string& string);
39 QString ToQString(const std::wstring& wstring); 41 QString ToQString(const std::wstring& wstring);
40 42
41 /* arithmetic :) */ 43 /* arithmetic :) */
42 int ToInt(const std::string& str, int def = 0); 44 template<typename T = int>
45 T ToInt(const std::string& str, T def = 0) {
46 auto clamp = [](const T& val, const T& min, const T& max){
47 return std::max(min, std::min(val, max));
48 };
49
50 try {
51 if constexpr (std::is_signed<T>::value) {
52 return clamp(std::stoll(str), std::numeric_limits<T>::min(), std::numeric_limits<T>::max());
53 } else if constexpr (std::is_unsigned<T>::value) {
54 return clamp(std::stoull(str), std::numeric_limits<T>::max(), std::numeric_limits<T>::max());
55 } else {
56 throw std::invalid_argument("it no worky");
57 }
58 } catch (std::invalid_argument const& ex) {
59 return def;
60 }
61 }
43 62
44 bool ToBool(const std::string& s, const bool def = false); 63 bool ToBool(const std::string& s, const bool def = false);
45 std::string ToUtf8String(const bool b); 64 std::string ToUtf8String(const bool b);
46 65
47 uint64_t HumanReadableSizeToBytes(const std::string& str); 66 uint64_t HumanReadableSizeToBytes(const std::string& str);