81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <stdexcept>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
#ifdef _WIN32
|
||
|
|
inline wstring s2w(const char* str, size_t size = -1)
|
||
|
|
{
|
||
|
|
if (size == -1)
|
||
|
|
size = strlen(str);
|
||
|
|
|
||
|
|
if (size == 0)
|
||
|
|
return wstring();
|
||
|
|
|
||
|
|
size_t req_size = ::MultiByteToWideChar(CP_UTF8, 0,
|
||
|
|
str, (int)size, NULL, 0);
|
||
|
|
|
||
|
|
if (req_size == 0)
|
||
|
|
throw runtime_error("Failed converting UTF-8 string to UTF-16");
|
||
|
|
|
||
|
|
wstring wstr(req_size, 0);
|
||
|
|
|
||
|
|
int conv_size = ::MultiByteToWideChar(CP_UTF8, 0,
|
||
|
|
str, (int)size, wstr.data(), req_size);
|
||
|
|
|
||
|
|
if (conv_size == 0)
|
||
|
|
throw runtime_error("Failed converting UTF-8 string to UTF-16");
|
||
|
|
|
||
|
|
return wstr;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline wstring s2w(const string& str)
|
||
|
|
{
|
||
|
|
return s2w(str.data(), str.size());
|
||
|
|
}
|
||
|
|
|
||
|
|
inline string w2s(const wchar_t* wstr, size_t size = -1)
|
||
|
|
{
|
||
|
|
size_t req_size = WideCharToMultiByte(CP_UTF8, 0, wstr, size, nullptr, 0, nullptr, nullptr);
|
||
|
|
|
||
|
|
if (!req_size)
|
||
|
|
throw runtime_error("wide to multibyte conversion failed");
|
||
|
|
|
||
|
|
string str(req_size, 0);
|
||
|
|
|
||
|
|
int conv_size = WideCharToMultiByte(CP_UTF8, 0L, wstr, size, str.data(), req_size, nullptr, nullptr);
|
||
|
|
|
||
|
|
if (!conv_size)
|
||
|
|
throw runtime_error("wide to multibyte conversion failed");
|
||
|
|
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline string w2s(const wstring& wstr)
|
||
|
|
{
|
||
|
|
return w2s(wstr.data(), wstr.size());
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
inline wstring s2w(const char* str, size_t size = -1)
|
||
|
|
{
|
||
|
|
throw runtime_error("not implemented");
|
||
|
|
}
|
||
|
|
|
||
|
|
inline wstring s2w(const string& str)
|
||
|
|
{
|
||
|
|
return s2w(str.data(), str.size());
|
||
|
|
}
|
||
|
|
|
||
|
|
inline string w2s(const wchar_t* wstr, size_t size = -1)
|
||
|
|
{
|
||
|
|
throw runtime_error("not implemented");
|
||
|
|
}
|
||
|
|
|
||
|
|
inline string w2s(const wstring& wstr)
|
||
|
|
{
|
||
|
|
return w2s(wstr.data(), wstr.size());
|
||
|
|
}
|
||
|
|
#endif
|