1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
/**
* \file common/stringutils.h
* \brief Some useful string operations
*/
#pragma once
#include <cstddef>
#include <string>
#include <sstream>
namespace StrUtils
{
//! Converts a value to string
/** If given, \a ok is set to true/false on success/failure.
Warning: To avoid unnecessary problems, *always* give full template qualifier e.g. ToString\<int\> */
template<class T>
std::string ToString(T value, bool *ok = nullptr)
{
std::ostringstream s;
s << value;
if (ok != nullptr)
*ok = !s.fail();
return s.str();
}
//! Converts a value to string
/** If given, \a ok is set to true/false on success/failure.
Warning: To avoid unnecessary problems, *always* give full template qualifier e.g. FromString\<int\> */
template<class T>
T FromString(const std::string &str, bool *ok = nullptr)
{
std::istringstream s;
s.str(str);
T value;
s >> value;
if (ok != nullptr)
*ok = !s.fail();
return value;
}
//! Converts string of hex characters to int
unsigned int HexStringToInt(const std::string& str);
//! Replacement for sprintf()
std::string Format(const char *fmt, ...);
//! Returns a string with every occurence of \a oldStr in \a str replaced to \a newStr
std::string Replace(const std::string &str, const std::string &oldStr, const std::string &newStr);
//! Converts a wide Unicode char to a single UTF-8 encoded char
std::string UnicodeCharToUtf8(unsigned int ch);
//! Converts a wide Unicode string to a UTF-8 encoded string
std::string UnicodeStringToUtf8(const std::wstring &str);
//! Converts a UTF-8 encoded single character to wide Unicode char
unsigned int Utf8CharToUnicode(const std::string &ch);
//! Converts a UTF-8 encoded string to wide Unicode string
std::wstring Utf8StringToUnicode(const std::string &str);
//! Returns the size in bytes of UTF-8 character at given \a pos in a UTF-8 \a str
int Utf8CharSizeAt(const std::string &str, unsigned int pos);
//! Returns the length in characters of UTF-8 string \a str
std::size_t Utf8StringLength(const std::string &str);
//! Returns true if char is continuation UTF-8 byte
bool isUtf8ContinuationByte(char c);
} // namespace StrUtil
|