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//========= Copyright Valve Corporation ============//
#pragma once
#include <string>
#include <stdint.h>
#include <sys/types.h>
/** returns true if the string has the prefix */
bool StringHasPrefix( const std::string & sString, const std::string & sPrefix );
bool StringHasPrefixCaseSensitive( const std::string & sString, const std::string & sPrefix );
/** returns if the string has the suffix */
bool StringHasSuffix( const std::string &sString, const std::string &sSuffix );
bool StringHasSuffixCaseSensitive( const std::string &sString, const std::string &sSuffix );
/** converts a UTF-16 string to a UTF-8 string */
std::string UTF16to8(const wchar_t * in);
/** converts a UTF-8 string to a UTF-16 string */
std::wstring UTF8to16(const char * in);
#define Utf16FromUtf8 UTF8to16
/** safely copy a string into a buffer */
void strcpy_safe( char *pchBuffer, size_t unBufferSizeBytes, const char *pchSource );
template< size_t bufferSize >
void strcpy_safe( char (& buffer) [ bufferSize ], const char *pchSource )
{
strcpy_safe( buffer, bufferSize, pchSource );
}
/** converts a string to upper case */
std::string StringToUpper( const std::string & sString );
/** converts a string to lower case */
std::string StringToLower( const std::string & sString );
// we stricmp (from WIN) but it isn't POSIX - OSX/LINUX have strcasecmp so just inline bridge to it
#if defined( OSX ) || defined( LINUX )
#ifndef __THROW // If __THROW is defined, these will clash with throw() versions on gcc
#include <strings.h>
inline int stricmp(const char *pStr1, const char *pStr2) { return strcasecmp(pStr1,pStr2); }
#ifndef _stricmp
#define _stricmp stricmp
#endif
inline int strnicmp( const char *pStr1, const char *pStr2, size_t unBufferLen ) { return strncasecmp( pStr1,pStr2, unBufferLen ); }
#define _strnicmp strnicmp
#endif
#ifndef _vsnprintf_s
#define _vsnprintf_s vsnprintf
#endif
#define _TRUNCATE ((size_t)-1)
#endif // defined( OSX ) || defined( LINUX )
#if defined( OSX )
// behaviors ensure NULL-termination at least as well as _TRUNCATE does, but
// wcsncpy_s/strncpy_s can non-NULL-terminate, wcslcpy/strlcpy can not.
inline errno_t wcsncpy_s(wchar_t *strDest, size_t numberOfElements, const wchar_t *strSource, size_t count)
{
return wcslcpy(strDest, strSource, numberOfElements);
}
inline errno_t strncpy_s(char *strDest, size_t numberOfElements, const char *strSource, size_t count)
{
return strlcpy(strDest, strSource, numberOfElements);
}
#endif
#if defined( LINUX )
// this implementation does not return whether or not the destination was
// truncated, but that is straightforward to fix if anybody actually needs the
// return code.
#include "string.h"
inline void wcsncpy_s(wchar_t *strDest, size_t numberOfElements, const wchar_t *strSource, size_t count)
{
wcsncpy(strDest, strSource, numberOfElements);
strDest[numberOfElements-1] = '\0';
}
inline void strncpy_s(char *strDest, size_t numberOfElements, const char *strSource, size_t count)
{
strncpy(strDest, strSource, numberOfElements);
strDest[numberOfElements-1] = '\0';
}
#endif
#if defined( _WIN32 ) && _MSC_VER < 1800
inline uint64_t strtoull(const char *str, char **endptr, int base) { return _strtoui64( str, endptr, base ); }
#endif
/* Handles copying a std::string into a buffer as would be provided in an API */
uint32_t ReturnStdString( const std::string & sValue, char *pchBuffer, uint32_t unBufferLen );
/* Handles copying a buffer into an std::string and auto adds null terminator */
void BufferToStdString( std::string & sDest, const char *pchBuffer, uint32_t unBufferLen );
/** Returns a std::string from a uint64_t */
std::string Uint64ToString( uint64_t ulValue );
/** returns a uint64_t from a string */
uint64_t StringToUint64( const std::string & sValue );
//-----------------------------------------------------------------------------
// Purpose: Encodes a string (or binary data) from URL encoding format, see rfc1738 section 2.2.
// This version of the call isn't a strict RFC implementation, but uses + for space as is
// the standard in HTML form encoding, despite it not being part of the RFC.
//
// Dest buffer should be at least as large as source buffer to guarantee room for decode.
//-----------------------------------------------------------------------------
void V_URLEncode( char *pchDest, int nDestLen, const char *pchSource, int nSourceLen );
//-----------------------------------------------------------------------------
// Purpose: Decodes a string (or binary data) from URL encoding format, see rfc1738 section 2.2.
// This version of the call isn't a strict RFC implementation, but uses + for space as is
// the standard in HTML form encoding, despite it not being part of the RFC.
//
// Dest buffer should be at least as large as source buffer to guarantee room for decode.
// Dest buffer being the same as the source buffer (decode in-place) is explicitly allowed.
//-----------------------------------------------------------------------------
size_t V_URLDecode( char *pchDecodeDest, int nDecodeDestLen, const char *pchEncodedSource, int nEncodedSourceLen );
//-----------------------------------------------------------------------------
// Purpose: strip extension from a path
//-----------------------------------------------------------------------------
void V_StripExtension( std::string &in );
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