mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-27 13:14:01 +08:00
127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
/*
|
|
* Copyright (C) Nemirtingas
|
|
* This file is part of System.
|
|
*
|
|
* System is free software; you can redistribute it
|
|
* and/or modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* System 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with System; if not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "System_internals.h"
|
|
|
|
#include "Encoding.hpp"
|
|
#include "utfcpp/utf8.h"
|
|
|
|
#include <string.h>
|
|
#include <algorithm>
|
|
|
|
namespace System {
|
|
namespace Encoding {
|
|
|
|
namespace details {
|
|
template<typename T, size_t s = sizeof(typename T::value_type)>
|
|
struct string_deducer
|
|
{
|
|
static std::string convert_string(T const& str) = delete;
|
|
static std::wstring convert_wstring(T const& str) = delete;
|
|
};
|
|
|
|
template<typename T>
|
|
struct string_deducer<T, 1>
|
|
{
|
|
static std::string convert_string(T const& str)
|
|
{
|
|
return std::string(std::begin(str), std::end(str));
|
|
}
|
|
|
|
static std::wstring convert_wstring(std::string const& str)
|
|
{
|
|
std::wstring r(std::begin(str), std::end(str));
|
|
return r;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct string_deducer<T, 2>
|
|
{
|
|
static std::string convert_string(T const& str)
|
|
{
|
|
std::string r;
|
|
utf8::utf16to8(std::begin(str), std::end(str), std::back_inserter(r));
|
|
return r;
|
|
}
|
|
|
|
static std::wstring convert_wstring(std::string const& str)
|
|
{
|
|
std::wstring r;
|
|
utf8::utf8to16(std::begin(str), std::end(str), std::back_inserter(r));
|
|
return r;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct string_deducer<T, 4>
|
|
{
|
|
static std::string convert_string(T const& str)
|
|
{
|
|
std::string r;
|
|
utf8::utf32to8(std::begin(str), std::end(str), std::back_inserter(r));
|
|
return r;
|
|
}
|
|
|
|
static std::wstring convert_wstring(std::string const& str)
|
|
{
|
|
std::wstring r;
|
|
utf8::utf8to32(std::begin(str), std::end(str), std::back_inserter(r));
|
|
return r;
|
|
}
|
|
};
|
|
}
|
|
|
|
std::wstring Utf8ToWChar(std::string const& str)
|
|
{
|
|
return details::string_deducer<std::wstring>::convert_wstring(str);
|
|
}
|
|
|
|
std::u16string Utf8ToUtf16(std::string const& str)
|
|
{
|
|
return utf8::utf8to16(str);
|
|
}
|
|
|
|
std::u32string Utf8ToUtf32(std::string const& str)
|
|
{
|
|
return utf8::utf8to32(str);
|
|
}
|
|
|
|
std::string WCharToUtf8(std::wstring const& str)
|
|
{
|
|
return details::string_deducer<std::wstring>::convert_string(str);
|
|
}
|
|
|
|
std::string Utf16ToUtf8(std::u16string const& str)
|
|
{
|
|
return utf8::utf16to8(str);
|
|
}
|
|
|
|
std::string Utf32ToUtf8(std::u32string const& str)
|
|
{
|
|
return utf8::utf32to8(str);
|
|
}
|
|
|
|
size_t EncodedLength(std::string const& str)
|
|
{
|
|
return utf8::distance(str.begin(), str.end());
|
|
}
|
|
|
|
}// namespace Encoding
|
|
}// namespace System
|