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comparison include/core/strings.h @ 211:7cf53145de11

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strings: use templates for ToInt, std::to_string -> Strings::ToUtf8String
author Paper <mrpapersonic@gmail.com>
date Sun, 07 Jan 2024 09:54:17 -0500
parents bc8d2ccff09c
children c39ad2a8587d
comparison
equal deleted inserted replaced
200:da91af31ae73 211:7cf53145de11
1 #ifndef __core__strings_h 1 #ifndef __core__strings_h
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 <sstream>
7 #include <limits>
8 #include <stdexcept>
9 #include <cstdint>
10 7
11 class QString; 8 class QString;
12 class QByteArray; 9 class QByteArray;
13 10
14 namespace Strings { 11 namespace Strings {
15 12
16 /* Implode function: takes a vector of strings and turns it 13 /* Implode function: takes a vector of strings and turns it
17 into a string, separated by delimiters. */ 14 * into a string, separated by delimiters.
15 */
18 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter); 16 std::string Implode(const std::vector<std::string>& vector, const std::string& delimiter);
19 std::vector<std::string> Split(const std::string &text, const std::string& delimiter); 17 std::vector<std::string> Split(const std::string &text, const std::string& delimiter);
20 18
21 /* Substring removal functions */ 19 /* Substring removal functions */
22 std::string ReplaceAll(std::string string, const std::string& find, const std::string& replace); 20 std::string ReplaceAll(std::string string, const std::string& find, const std::string& replace);
29 27
30 std::string ToUpper(const std::string& string); 28 std::string ToUpper(const std::string& string);
31 std::string ToLower(const std::string& string); 29 std::string ToLower(const std::string& string);
32 30
33 /* functions that make the way we convert from and to 31 /* functions that make the way we convert from and to
34 different string formats universal */ 32 * different string formats universal (and these functions
33 * typically do things the right way so we avoid retarded
34 * code)
35 */
35 std::wstring ToWstring(const std::string& string); 36 std::wstring ToWstring(const std::string& string);
36 std::wstring ToWstring(const QString& string); 37 std::wstring ToWstring(const QString& string);
37 std::string ToUtf8String(const std::wstring& wstring); 38 std::string ToUtf8String(const std::wstring& wstring);
38 std::string ToUtf8String(const QString& string); 39 std::string ToUtf8String(const QString& string);
39 std::string ToUtf8String(const QByteArray& ba); 40 std::string ToUtf8String(const QByteArray& ba);
40 QString ToQString(const std::string& string); 41 QString ToQString(const std::string& string);
41 QString ToQString(const std::wstring& wstring); 42 QString ToQString(const std::wstring& wstring);
42 43
43 /* arithmetic :) */ 44 /* not really an "int"... but who cares? */
44 template<typename T = int> 45 template<typename T = int,
46 std::enable_if_t<std::is_integral<T>::value, bool> = true>
45 T ToInt(const std::string& str, T def = 0) { 47 T ToInt(const std::string& str, T def = 0) {
46 auto clamp = [](const T& val, const T& min, const T& max){ 48 std::istringstream s(str);
47 return std::max(min, std::min(val, max)); 49 s >> std::noboolalpha >> def;
48 }; 50 return def;
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("Invalid input to Strings::ToInt()!");
57 }
58 } catch (std::invalid_argument const& ex) {
59 return def;
60 }
61 } 51 }
62 52
63 bool ToBool(const std::string& s, const bool def = false); 53 template<typename T,
64 std::string ToUtf8String(const bool b); 54 std::enable_if_t<std::is_integral<T>::value && !std::is_same<T, bool>::value, bool> = true>
55 std::string ToUtf8String(T i) {
56 std::ostringstream s;
57 s << i;
58 return s.str();
59 }
60
61 bool ToBool(const std::string& s, bool def);
62
63 std::string ToUtf8String(bool b);
65 64
66 uint64_t HumanReadableSizeToBytes(const std::string& str); 65 uint64_t HumanReadableSizeToBytes(const std::string& str);
67 66
68 std::string RemoveLeadingChars(std::string s, const char c); 67 std::string RemoveLeadingChars(std::string s, const char c);
69 std::string RemoveTrailingChars(std::string s, const char c); 68 std::string RemoveTrailingChars(std::string s, const char c);