Mesen-SX/Utilities/UTF8Util.h

#pragma once

#include <fstream>

namespace utf8
{
	class utf8
	{
	public:
		static std::wstring decode(const std::string& str);
		static std::string encode(const std::wstring& wstr);
		static std::string encode(const std::u16string& wstr);
	};

#if defined(_WIN32) && !defined(LIBRETRO)
	class ifstream : public std::ifstream
	{
	public:
		ifstream(const std::string& _Str, ios_base::openmode _Mode = ios_base::in,
		         int _Prot = (int)ios_base::_Openprot) : std::ifstream(utf8::decode(_Str), _Mode, _Prot)
		{
		}

		ifstream() : std::ifstream()
		{
		}

		void open(const std::string& _Str, ios_base::openmode _Mode = ios_base::in, int _Prot = (int)ios_base::_Openprot)
		{
			std::ifstream::open(utf8::decode(_Str), _Mode, _Prot);
		}
	};

	class ofstream : public std::ofstream
	{
	public:
		ofstream(const std::string& _Str, ios_base::openmode _Mode = ios_base::in,
		         int _Prot = (int)ios_base::_Openprot) : std::ofstream(utf8::decode(_Str), _Mode, _Prot)
		{
		}

		ofstream() : std::ofstream()
		{
		}

		void open(const std::string& _Str, ios_base::openmode _Mode = ios_base::in, int _Prot = (int)ios_base::_Openprot)
		{
			std::ofstream::open(utf8::decode(_Str), _Mode, _Prot);
		}
	};
#else
	using std::ifstream;
	using std::ofstream;
#endif
}