old-nall/windows/utf8.hpp
2016-07-03 13:35:22 +02:00

88 lines
1.8 KiB
C++

#pragma once
//UTF-8 <> UTF-16 conversion
//used only for Win32; every other OS uses UTF-8 internally
#if defined(_WIN32)
#undef UNICODE
#define UNICODE
#undef NOMINMAX
#define NOMINMAX
#include <nall/windows/guard.hpp>
#include <winsock2.h>
#include <windows.h>
#include <nall/windows/guard.hpp>
#if !defined(PATH_MAX)
#define PATH_MAX 260
#endif
using uint = unsigned;
namespace nall {
//UTF-8 to UTF-16
struct utf16_t {
utf16_t(const char* s = "") {
if(!s) s = "";
uint length = MultiByteToWideChar(CP_UTF8, 0, s, -1, nullptr, 0);
buffer = new wchar_t[length + 1]();
MultiByteToWideChar(CP_UTF8, 0, s, -1, buffer, length);
}
~utf16_t() {
delete[] buffer;
}
operator wchar_t*() {
return buffer;
}
operator const wchar_t*() const {
return buffer;
}
private:
wchar_t* buffer = nullptr;
};
//UTF-16 to UTF-8
struct utf8_t {
utf8_t(const wchar_t* s = L"") {
if(!s) s = L"";
uint length = WideCharToMultiByte(CP_UTF8, 0, s, -1, nullptr, 0, nullptr, nullptr);
buffer = new char[length + 1]();
WideCharToMultiByte(CP_UTF8, 0, s, -1, buffer, length, nullptr, nullptr);
}
~utf8_t() {
delete[] buffer;
}
utf8_t(const utf8_t&) = delete;
utf8_t& operator=(const utf8_t&) = delete;
operator char*() {
return buffer;
}
operator const char*() const {
return buffer;
}
private:
char* buffer = nullptr;
};
inline auto utf8_args(int& argc, char**& argv) -> void {
wchar_t** wargv = CommandLineToArgvW(GetCommandLineW(), &argc);
argv = new char*[argc + 1]();
for(uint i = 0; i < argc; i++) {
argv[i] = new char[PATH_MAX];
strcpy(argv[i], nall::utf8_t(wargv[i]));
}
}
}
#endif //if defined(_WIN32)