Magic_Game/src/kiwano/core/String.cpp

142 lines
3.6 KiB
C++

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// 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.
#pragma once
#include <kiwano/macros.h>
#include <kiwano/core/String.h>
namespace kiwano
{
namespace strings
{
#if defined(KGE_PLATFORM_WINDOWS)
String Format(const char* format, ...)
{
va_list args = nullptr;
va_start(args, format);
String result = FormatArgs(format, args);
va_end(args);
return result;
}
WideString Format(const wchar_t* format, ...)
{
va_list args = nullptr;
va_start(args, format);
WideString result = FormatArgs(format, args);
va_end(args);
return result;
}
String FormatArgs(const char* format, va_list args)
{
String result;
if (format)
{
const auto len = static_cast<size_t>(::_vscprintf(format, args) + 1);
if (len)
{
result.resize(len - 1);
::_vsnprintf_s(&result[0], len, len, format, args);
}
}
return result;
}
WideString FormatArgs(const wchar_t* format, va_list args)
{
WideString result;
if (format)
{
const auto len = static_cast<size_t>(::_vscwprintf(format, args) + 1);
if (len)
{
result.resize(len - 1);
::_vsnwprintf_s(&result[0], len, len, format, args);
}
}
return result;
}
String WideToNarrowWithCodePage(const WideString& str, UINT code_page)
{
if (str.empty())
return String();
int len = ::WideCharToMultiByte(code_page, 0, str.c_str(), -1, NULL, 0, NULL, NULL);
if (len > 0)
{
String result;
result.resize(len - 1);
::WideCharToMultiByte(code_page, 0, str.c_str(), -1, &result[0], len, NULL, NULL);
return result;
}
return String();
}
WideString NarrowToWideWithCodePage(const String& str, UINT code_page)
{
if (str.empty())
return WideString();
int len = ::MultiByteToWideChar(code_page, 0, str.c_str(), -1, NULL, 0);
if (len > 0)
{
WideString result;
result.resize(len - 1);
::MultiByteToWideChar(code_page, 0, str.c_str(), -1, &result[0], len);
return result;
}
return WideString();
}
String WideToNarrow(const WideString& str)
{
return WideToNarrowWithCodePage(str, CP_ACP);
}
WideString NarrowToWide(const String& str)
{
return NarrowToWideWithCodePage(str, CP_ACP);
}
String WideToUTF8(const WideString& str)
{
return WideToNarrowWithCodePage(str, CP_UTF8);
}
WideString UTF8ToWide(const String& str)
{
return NarrowToWideWithCodePage(str, CP_UTF8);
}
#endif // KGE_PLATFORM_WINDOWS
} // namespace string
} // namespace kiwano