dolphin/Source/Core/Common/StringUtil.h

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include <cstdarg>
#include <cstddef>
#include <iomanip>
#include <sstream>
#include <string>
#include <vector>

#include "Common/CommonTypes.h"

std::string StringFromFormatV(const char* format, va_list args);

std::string StringFromFormat(const char* format, ...)
#if !defined _WIN32
// On compilers that support function attributes, this gives StringFromFormat
// the same errors and warnings that printf would give.
 __attribute__ ((__format__(printf, 1, 2)))
#endif
;

// Cheap!
bool CharArrayFromFormatV(char* out, int outsize, const char* format, va_list args);

template<size_t Count>
inline void CharArrayFromFormat(char (& out)[Count], const char* format, ...)
{
	va_list args;
	va_start(args, format);
	CharArrayFromFormatV(out, Count, format, args);
	va_end(args);
}

// Good
std::string ArrayToString(const u8* data, u32 size, int line_len = 20, bool spaces = true);

std::string StripSpaces(const std::string& s);
std::string StripQuotes(const std::string& s);

// Thousand separator. Turns 12345678 into 12,345,678
template <typename I>
std::string ThousandSeparate(I value, int spaces = 0)
{
	std::ostringstream oss;

// std::locale("") seems to be broken on many platforms
#if defined _WIN32 || (defined __linux__ && !defined __clang__)
	oss.imbue(std::locale(""));
#endif
	oss << std::setw(spaces) << value;

	return oss.str();
}

std::string StringFromInt(int value);
std::string StringFromBool(bool value);

bool TryParse(const std::string& str, bool* output);
bool TryParse(const std::string& str, u32* output);

template <typename N>
static bool TryParse(const std::string& str, N* const output)
{
	std::istringstream iss(str);
	// is this right? not doing this breaks reading floats on locales that use different decimal separators
	iss.imbue(std::locale("C"));

	N tmp = 0;
	if (iss >> tmp)
	{
		*output = tmp;
		return true;
	}
	else
		return false;
}

template <typename N>
bool TryParseVector(const std::string& str, std::vector<N>* output, const char delimiter = ',')
{
	output->clear();
	std::istringstream buffer(str);
	std::string variable;

	while (std::getline(buffer, variable, delimiter))
	{
		N tmp = 0;
		if (!TryParse(variable, &tmp))
			return false;
		output->push_back(tmp);
	}
	return true;
}

// Generates an hexdump-like representation of a binary data blob.
std::string HexDump(const u8* data, size_t size);

// TODO: kill this
bool AsciiToHex(const std::string& _szValue, u32& result);

std::string TabsToSpaces(int tab_size, const std::string& in);

void SplitString(const std::string& str, char delim, std::vector<std::string>& output);

// "C:/Windows/winhelp.exe" to "C:/Windows/", "winhelp", ".exe"
bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension);

void BuildCompleteFilename(std::string& _CompleteFilename, const std::string& _Path, const std::string& _Filename);
std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest);

std::string CP1252ToUTF8(const std::string& str);
std::string SHIFTJISToUTF8(const std::string& str);
std::string UTF16ToUTF8(const std::wstring& str);

#ifdef _WIN32

std::wstring UTF8ToUTF16(const std::string& str);

#ifdef _UNICODE
inline std::string TStrToUTF8(const std::wstring& str)
{ return UTF16ToUTF8(str); }

inline std::wstring UTF8ToTStr(const std::string& str)
{ return UTF8ToUTF16(str); }
#else
inline std::string TStrToUTF8(const std::string& str)
{ return str; }

inline std::string UTF8ToTStr(const std::string& str)
{ return str; }
#endif

#endif