bsnes/nall/windows/utf8.hpp

87 lines
2.2 KiB
C++
Executable File

#pragma once
using uint = unsigned;
namespace nall {
//UTF-8 to UTF-16
struct utf16_t {
utf16_t(const char* s = "") { operator=(s); }
~utf16_t() { reset(); }
utf16_t(const utf16_t&) = delete;
auto operator=(const utf16_t&) -> utf16_t& = delete;
auto operator=(const char* s) -> utf16_t& {
reset();
if(!s) s = "";
length = MultiByteToWideChar(CP_UTF8, 0, s, -1, nullptr, 0);
buffer = new wchar_t[length + 1];
MultiByteToWideChar(CP_UTF8, 0, s, -1, buffer, length);
buffer[length] = 0;
return *this;
}
operator wchar_t*() { return buffer; }
operator const wchar_t*() const { return buffer; }
auto reset() -> void {
delete[] buffer;
length = 0;
}
auto data() -> wchar_t* { return buffer; }
auto data() const -> const wchar_t* { return buffer; }
auto size() const -> uint { return length; }
private:
wchar_t* buffer = nullptr;
uint length = 0;
};
//UTF-16 to UTF-8
struct utf8_t {
utf8_t(const wchar_t* s = L"") { operator=(s); }
~utf8_t() { reset(); }
utf8_t(const utf8_t&) = delete;
auto operator=(const utf8_t&) -> utf8_t& = delete;
auto operator=(const wchar_t* s) -> utf8_t& {
reset();
if(!s) s = L"";
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);
buffer[length] = 0;
return *this;
}
auto reset() -> void {
delete[] buffer;
length = 0;
}
operator char*() { return buffer; }
operator const char*() const { return buffer; }
auto data() -> char* { return buffer; }
auto data() const -> const char* { return buffer; }
auto size() const -> uint { return length; }
private:
char* buffer = nullptr;
uint length = 0;
};
inline auto utf8_arguments(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]));
}
}
}