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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/external/vpc/tier1/strtools.cpp

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//===== Copyright 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose: String Tools
//
//===========================================================================//
// These are redefined in the project settings to prevent anyone from using them.
// We in this module are of a higher caste and thus are privileged in their use.
#ifdef strncpy
#undef strncpy
#endif
#ifdef _snprintf
#undef _snprintf
#endif
#if defined( sprintf )
#undef sprintf
#endif
#if defined( vsprintf )
#undef vsprintf
#endif
#ifdef _vsnprintf
#ifdef _WIN32
#undef _vsnprintf
#endif
#endif
#ifdef vsnprintf
#ifndef _WIN32
#undef vsnprintf
#endif
#endif
#if defined( strcat )
#undef strcat
#endif
#ifdef strncat
#undef strncat
#endif
// NOTE: I have to include stdio + stdarg first so vsnprintf gets compiled in
#include <stdio.h>
#include <stdarg.h>
#include "tier0/basetypes.h"
#include "tier0/platform.h"
#ifdef stricmp
#undef stricmp
#endif
#ifdef POSIX
#ifndef _PS3
#include <iconv.h>
#endif // _PS3
#include <ctype.h>
#include <unistd.h>
#include <stdlib.h>
#define stricmp strcasecmp
#elif _WIN32
#include <direct.h>
#if !defined( _X360 )
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#endif
#ifdef _WIN32
#ifndef CP_UTF8
#define CP_UTF8 65001
#endif
#endif
#include "tier0/dbg.h"
#include "tier1/strtools.h"
#include <string.h>
#include <stdlib.h>
#include "tier1/utldict.h"
#if defined( _X360 )
#include "xbox/xbox_win32stubs.h"
#elif defined( _PS3 )
#include "ps3_pathinfo.h"
#include <cell/l10n.h> // for UCS-2 to UTF-8 conversion
#endif
#include "tier0/vprof.h"
#include "tier0/memdbgon.h"
#ifndef NDEBUG
static volatile char const *pDebugString;
#define DEBUG_LINK_CHECK pDebugString = "tier1.lib built debug!"
#else
#define DEBUG_LINK_CHECK
#endif
void _V_memset (void *dest, int fill, int count)
{
DEBUG_LINK_CHECK;
Assert( count >= 0 );
AssertValidWritePtr( dest, count );
memset(dest,fill,count);
}
void _V_memcpy (void *dest, const void *src, int count)
{
Assert( count >= 0 );
AssertValidReadPtr( src, count );
AssertValidWritePtr( dest, count );
memcpy( dest, src, count );
}
void _V_memmove(void *dest, const void *src, int count)
{
Assert( count >= 0 );
AssertValidReadPtr( src, count );
AssertValidWritePtr( dest, count );
memmove( dest, src, count );
}
int _V_memcmp (const void *m1, const void *m2, int count)
{
DEBUG_LINK_CHECK;
Assert( count >= 0 );
AssertValidReadPtr( m1, count );
AssertValidReadPtr( m2, count );
return memcmp( m1, m2, count );
}
int _V_strlen(const char *str)
{
AssertValidStringPtr(str);
#ifdef POSIX
if ( !str )
return 0;
#endif
return strlen( str );
}
void _V_strcpy (char *dest, const char *src)
{
DEBUG_LINK_CHECK;
AssertValidWritePtr(dest);
AssertValidStringPtr(src);
strcpy( dest, src );
}
int _V_wcslen(const wchar_t *pwch)
{
return wcslen( pwch );
}
char *_V_strrchr(const char *s, char c)
{
AssertValidStringPtr( s );
int len = V_strlen(s);
s += len;
while (len--)
if (*--s == c) return (char *)s;
return 0;
}
int _V_strcmp (const char *s1, const char *s2)
{
AssertValidStringPtr( s1 );
AssertValidStringPtr( s2 );
VPROF_2( "V_strcmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
return strcmp( s1, s2 );
}
int _V_wcscmp (const wchar_t *s1, const wchar_t *s2)
{
while (1)
{
if (*s1 != *s2)
return -1; // strings not equal
if (!*s1)
return 0; // strings are equal
s1++;
s2++;
}
return -1;
}
#define TOLOWERC( x ) (( ( x >= 'A' ) && ( x <= 'Z' ) )?( x + 32 ) : x )
int _V_stricmp( const char *s1, const char *s2 )
{
VPROF_2( "V_stricmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
#ifdef POSIX
if ( s1 == NULL && s2 == NULL )
return 0;
if ( s1 == NULL )
return -1;
if ( s2 == NULL )
return 1;
return stricmp( s1, s2 );
#else
uint8 const *pS1 = ( uint8 const * ) s1;
uint8 const *pS2 = ( uint8 const * ) s2;
for(;;)
{
int c1 = *( pS1++ );
int c2 = *( pS2++ );
if ( c1 == c2 )
{
if ( !c1 ) return 0;
}
else
{
if ( ! c2 )
{
return c1 - c2;
}
c1 = TOLOWERC( c1 );
c2 = TOLOWERC( c2 );
if ( c1 != c2 )
{
return c1 - c2;
}
}
c1 = *( pS1++ );
c2 = *( pS2++ );
if ( c1 == c2 )
{
if ( !c1 ) return 0;
}
else
{
if ( ! c2 )
{
return c1 - c2;
}
c1 = TOLOWERC( c1 );
c2 = TOLOWERC( c2 );
if ( c1 != c2 )
{
return c1 - c2;
}
}
}
#endif
}
// A special high-performance case-insensitive compare function
// returns 0 if strings match exactly
// returns >0 if strings match in a case-insensitive way, but do not match exactly
// returns <0 if strings do not match even in a case-insensitive way
int _V_stricmp_NegativeForUnequal( const char *s1, const char *s2 )
{
VPROF_2( "V_stricmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
uint8 const *pS1 = ( uint8 const * ) s1;
uint8 const *pS2 = ( uint8 const * ) s2;
int iExactMatchResult = 1;
for(;;)
{
int c1 = *( pS1++ );
int c2 = *( pS2++ );
if ( c1 == c2 )
{
// strings are case-insensitive equal, coerce accumulated
// case-difference to 0/1 and return it
if ( !c1 ) return !iExactMatchResult;
}
else
{
if ( ! c2 )
{
// c2=0 and != c1 => not equal
return -1;
}
iExactMatchResult = 0;
c1 = TOLOWERC( c1 );
c2 = TOLOWERC( c2 );
if ( c1 != c2 )
{
// strings are not equal
return -1;
}
}
c1 = *( pS1++ );
c2 = *( pS2++ );
if ( c1 == c2 )
{
// strings are case-insensitive equal, coerce accumulated
// case-difference to 0/1 and return it
if ( !c1 ) return !iExactMatchResult;
}
else
{
if ( ! c2 )
{
// c2=0 and != c1 => not equal
return -1;
}
iExactMatchResult = 0;
c1 = TOLOWERC( c1 );
c2 = TOLOWERC( c2 );
if ( c1 != c2 )
{
// strings are not equal
return -1;
}
}
}
}
char *_V_strstr( const char *s1, const char *search )
{
AssertValidStringPtr( s1 );
AssertValidStringPtr( search );
#if defined( _X360 )
return (char *)strstr( (char *)s1, search );
#else
return (char *)strstr( s1, search );
#endif
}
char *_V_strupr (char *start)
{
AssertValidStringPtr( start );
return strupr( start );
}
char *_V_strlower (char *start)
{
AssertValidStringPtr( start );
return strlwr(start);
}
wchar_t *_V_wcsupr (const char* file, int line, wchar_t *start)
{
return _wcsupr( start );
}
wchar_t *_V_wcslower (const char* file, int line, wchar_t *start)
{
return _wcslwr(start);
}
int V_strncmp (const char *s1, const char *s2, int count)
{
Assert( count >= 0 );
AssertValidStringPtr( s1, count );
AssertValidStringPtr( s2, count );
VPROF_2( "V_strcmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
while ( count-- > 0 )
{
if ( *s1 != *s2 )
return *s1 < *s2 ? -1 : 1; // string different
if ( *s1 == '\0' )
return 0; // null terminator hit - strings the same
s1++;
s2++;
}
return 0; // count characters compared the same
}
char *V_strnlwr(char *s, size_t count)
{
Assert( count >= 0 );
AssertValidStringPtr( s, count );
char* pRet = s;
if ( !s || !count )
return s;
while ( -- count > 0 )
{
if ( !*s )
return pRet; // reached end of string
*s = tolower( *s );
++s;
}
*s = 0; // null-terminate original string at "count-1"
return pRet;
}
int V_strncasecmp (const char *s1, const char *s2, int n)
{
Assert( n >= 0 );
AssertValidStringPtr( s1 );
AssertValidStringPtr( s2 );
VPROF_2( "V_strcmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
while ( n-- > 0 )
{
int c1 = *s1++;
int c2 = *s2++;
if (c1 != c2)
{
if (c1 >= 'a' && c1 <= 'z')
c1 -= ('a' - 'A');
if (c2 >= 'a' && c2 <= 'z')
c2 -= ('a' - 'A');
if (c1 != c2)
return c1 < c2 ? -1 : 1;
}
if ( c1 == '\0' )
return 0; // null terminator hit - strings the same
}
return 0; // n characters compared the same
}
int V_strcasecmp( const char *s1, const char *s2 )
{
AssertValidStringPtr( s1 );
AssertValidStringPtr( s2 );
VPROF_2( "V_strcmp", VPROF_BUDGETGROUP_OTHER_UNACCOUNTED, false, BUDGETFLAG_ALL );
return V_stricmp( s1, s2 );
}
int V_strnicmp (const char *s1, const char *s2, int n)
{
DEBUG_LINK_CHECK;
Assert( n >= 0 );
AssertValidStringPtr(s1);
AssertValidStringPtr(s2);
return V_strncasecmp( s1, s2, n );
}
const char *StringAfterPrefix( const char *str, const char *prefix )
{
AssertValidStringPtr( str );
AssertValidStringPtr( prefix );
do
{
if ( !*prefix )
return str;
}
while ( tolower( *str++ ) == tolower( *prefix++ ) );
return NULL;
}
const char *StringAfterPrefixCaseSensitive( const char *str, const char *prefix )
{
AssertValidStringPtr( str );
AssertValidStringPtr( prefix );
do
{
if ( !*prefix )
return str;
}
while ( *str++ == *prefix++ );
return NULL;
}
uint64 V_atoui64( const char *str )
{
AssertValidStringPtr( str );
uint64 val;
uint64 c;
Assert( str );
val = 0;
//
// check for hex
//
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X') )
{
str += 2;
while (1)
{
c = *str++;
if (c >= '0' && c <= '9')
val = (val<<4) + c - '0';
else if (c >= 'a' && c <= 'f')
val = (val<<4) + c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
val = (val<<4) + c - 'A' + 10;
else
return val;
}
}
//
// check for character
//
if (str[0] == '\'')
{
return str[1];
}
//
// assume decimal
//
while (1)
{
c = *str++;
if (c <'0' || c > '9')
return val;
val = val*10 + c - '0';
}
return 0;
}
int64 V_atoi64( const char *str )
{
AssertValidStringPtr( str );
int64 val;
int64 sign;
int64 c;
Assert( str );
if (*str == '-')
{
sign = -1;
str++;
}
else
sign = 1;
val = 0;
//
// check for hex
//
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X') )
{
str += 2;
while (1)
{
c = *str++;
if (c >= '0' && c <= '9')
val = (val<<4) + c - '0';
else if (c >= 'a' && c <= 'f')
val = (val<<4) + c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
val = (val<<4) + c - 'A' + 10;
else
return val*sign;
}
}
//
// check for character
//
if (str[0] == '\'')
{
return sign * str[1];
}
//
// assume decimal
//
while (1)
{
c = *str++;
if (c <'0' || c > '9')
return val*sign;
val = val*10 + c - '0';
}
return 0;
}
int V_atoi( const char *str )
{
return (int)V_atoi64( str );
}
float V_atof (const char *str)
{
DEBUG_LINK_CHECK;
AssertValidStringPtr( str );
double val;
int sign;
int c;
int decimal, total;
if (*str == '-')
{
sign = -1;
str++;
}
else
sign = 1;
val = 0;
//
// check for hex
//
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X') )
{
str += 2;
while (1)
{
c = *str++;
if (c >= '0' && c <= '9')
val = (val*16) + c - '0';
else if (c >= 'a' && c <= 'f')
val = (val*16) + c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
val = (val*16) + c - 'A' + 10;
else
return val*sign;
}
}
//
// check for character
//
if (str[0] == '\'')
{
return sign * str[1];
}
//
// assume decimal
//
decimal = -1;
total = 0;
int exponent = 0;
while (1)
{
c = *str++;
if (c == '.')
{
decimal = total;
continue;
}
if (c <'0' || c > '9')
{
if ( c == 'e' )
{
exponent = V_atoi(str);
}
break;
}
val = val*10 + c - '0';
total++;
}
if ( exponent != 0 )
{
val *= pow( 10.0, exponent );
}
if (decimal == -1)
return val*sign;
while (total > decimal)
{
val /= 10;
total--;
}
return val*sign;
}
//-----------------------------------------------------------------------------
// Normalizes a float string in place.
//
// (removes leading zeros, trailing zeros after the decimal point, and the decimal point itself where possible)
//-----------------------------------------------------------------------------
void V_normalizeFloatString( char* pFloat )
{
// If we have a decimal point, remove trailing zeroes:
if( strchr( pFloat,'.' ) )
{
int len = V_strlen(pFloat);
while( len > 1 && pFloat[len - 1] == '0' )
{
pFloat[len - 1] = '\0';
len--;
}
if( len > 1 && pFloat[ len - 1 ] == '.' )
{
pFloat[len - 1] = '\0';
len--;
}
}
// TODO: Strip leading zeros
}
FORCEINLINE unsigned char tolower_fast(unsigned char c)
{
if ( (c >= 'A') && (c <= 'Z') )
return c + ('a' - 'A');
return c;
}
//-----------------------------------------------------------------------------
// Finds a string in another string with a case insensitive test
//-----------------------------------------------------------------------------
char const* V_stristr( char const* pStr, char const* pSearch )
{
AssertValidStringPtr(pStr);
AssertValidStringPtr(pSearch);
if (!pStr || !pSearch)
return 0;
char const* pLetter = pStr;
// Check the entire string
while (*pLetter != 0)
{
// Skip over non-matches
if (tolower_fast((unsigned char)*pLetter) == tolower_fast((unsigned char)*pSearch))
{
// Check for match
char const* pMatch = pLetter + 1;
char const* pTest = pSearch + 1;
while (*pTest != 0)
{
// We've run off the end; don't bother.
if (*pMatch == 0)
return 0;
if (tolower_fast((unsigned char)*pMatch) != tolower_fast((unsigned char)*pTest))
break;
++pMatch;
++pTest;
}
// Found a match!
if (*pTest == 0)
return pLetter;
}
++pLetter;
}
return 0;
}
char* V_stristr( char* pStr, char const* pSearch )
{
AssertValidStringPtr( pStr );
AssertValidStringPtr( pSearch );
return (char*)V_stristr( (char const*)pStr, pSearch );
}
//-----------------------------------------------------------------------------
// Finds a string in another string with a case insensitive test w/ length validation
//-----------------------------------------------------------------------------
char const* V_strnistr( char const* pStr, char const* pSearch, int n )
{
AssertValidStringPtr(pStr);
AssertValidStringPtr(pSearch);
if (!pStr || !pSearch)
return 0;
char const* pLetter = pStr;
// Check the entire string
while (*pLetter != 0)
{
if ( n <= 0 )
return 0;
// Skip over non-matches
if (tolower_fast(*pLetter) == tolower_fast(*pSearch))
{
int n1 = n - 1;
// Check for match
char const* pMatch = pLetter + 1;
char const* pTest = pSearch + 1;
while (*pTest != 0)
{
if ( n1 <= 0 )
return 0;
// We've run off the end; don't bother.
if (*pMatch == 0)
return 0;
if (tolower_fast(*pMatch) != tolower_fast(*pTest))
break;
++pMatch;
++pTest;
--n1;
}
// Found a match!
if (*pTest == 0)
return pLetter;
}
++pLetter;
--n;
}
return 0;
}
const char* V_strnchr( const char* pStr, char c, int n )
{
char const* pLetter = pStr;
char const* pLast = pStr + n;
// Check the entire string
while ( (pLetter < pLast) && (*pLetter != 0) )
{
if (*pLetter == c)
return pLetter;
++pLetter;
}
return NULL;
}
void V_strncpy( char *pDest, char const *pSrc, int maxLen )
{
Assert( maxLen >= 0 );
AssertValidWritePtr( pDest, maxLen );
AssertValidStringPtr( pSrc );
DEBUG_LINK_CHECK;
strncpy( pDest, pSrc, maxLen );
if ( maxLen > 0 )
{
pDest[maxLen-1] = 0;
}
}
void V_wcsncpy( wchar_t *pDest, wchar_t const *pSrc, int maxLenInBytes )
{
Assert( maxLenInBytes >= 0 );
AssertValidWritePtr( pDest, maxLenInBytes );
AssertValidReadPtr( pSrc );
int maxLen = maxLenInBytes / sizeof(wchar_t);
wcsncpy( pDest, pSrc, maxLen );
if( maxLen )
{
pDest[maxLen-1] = 0;
}
}
int V_snwprintf( wchar_t *pDest, int maxLenInNumWideCharacters, const wchar_t *pFormat, ... )
{
Assert( maxLenInNumWideCharacters >= 0 );
AssertValidWritePtr( pDest, maxLenInNumWideCharacters );
AssertValidReadPtr( pFormat );
va_list marker;
va_start( marker, pFormat );
#ifdef _WIN32
int len = _vsnwprintf( pDest, maxLenInNumWideCharacters, pFormat, marker );
#elif POSIX
int len = vswprintf( pDest, maxLenInNumWideCharacters, pFormat, marker );
#else
#error "define vsnwprintf type."
#endif
va_end( marker );
// Len < 0 represents an overflow
if ( ( len < 0 ) ||
( maxLenInNumWideCharacters > 0 && len >= maxLenInNumWideCharacters ) )
{
len = maxLenInNumWideCharacters;
pDest[maxLenInNumWideCharacters-1] = 0;
}
return len;
}
int V_snprintf( char *pDest, int maxLen, char const *pFormat, ... )
{
Assert( maxLen >= 0 );
AssertValidWritePtr( pDest, maxLen );
AssertValidStringPtr( pFormat );
va_list marker;
va_start( marker, pFormat );
#ifdef _WIN32
int len = _vsnprintf( pDest, maxLen, pFormat, marker );
#elif POSIX
int len = vsnprintf( pDest, maxLen, pFormat, marker );
#else
#error "define vsnprintf type."
#endif
va_end( marker );
// Len < 0 represents an overflow
if( len < 0 )
{
len = maxLen;
pDest[maxLen-1] = 0;
}
return len;
}
int V_vsnprintf( char *pDest, int maxLen, char const *pFormat, va_list params )
{
Assert( maxLen > 0 );
AssertValidWritePtr( pDest, maxLen );
AssertValidStringPtr( pFormat );
int len = _vsnprintf( pDest, maxLen, pFormat, params );
if( len < 0 )
{
len = maxLen;
pDest[maxLen-1] = 0;
}
return len;
}
int V_vsnprintfRet( char *pDest, int maxLen, const char *pFormat, va_list params, bool *pbTruncated )
{
Assert( maxLen > 0 );
AssertValidWritePtr( pDest, maxLen );
AssertValidStringPtr( pFormat );
int len = _vsnprintf( pDest, maxLen, pFormat, params );
if ( pbTruncated )
{
*pbTruncated = len < 0;
}
if( len < 0 )
{
len = maxLen;
pDest[maxLen-1] = 0;
}
return len;
}
//-----------------------------------------------------------------------------
// Purpose: If COPY_ALL_CHARACTERS == max_chars_to_copy then we try to add the whole pSrc to the end of pDest, otherwise
// we copy only as many characters as are specified in max_chars_to_copy (or the # of characters in pSrc if thats's less).
// Input : *pDest - destination buffer
// *pSrc - string to append
// destBufferSize - sizeof the buffer pointed to by pDest
// max_chars_to_copy - COPY_ALL_CHARACTERS in pSrc or max # to copy
// Output : char * the copied buffer
//-----------------------------------------------------------------------------
char *V_strncat(char *pDest, const char *pSrc, size_t maxLenInBytes, int max_chars_to_copy )
{
DEBUG_LINK_CHECK;
size_t charstocopy = (size_t)0;
Assert( maxLenInBytes >= 0 );
AssertValidStringPtr( pDest);
AssertValidStringPtr( pSrc );
size_t len = strlen(pDest);
size_t srclen = strlen( pSrc );
if ( max_chars_to_copy <= COPY_ALL_CHARACTERS )
{
charstocopy = srclen;
}
else
{
charstocopy = (size_t)MIN( max_chars_to_copy, (int)srclen );
}
if ( len + charstocopy >= maxLenInBytes )
{
charstocopy = maxLenInBytes - len - 1;
}
if ( !charstocopy )
{
return pDest;
}
char *pOut = strncat( pDest, pSrc, charstocopy );
pOut[maxLenInBytes-1] = 0;
return pOut;
}
//-----------------------------------------------------------------------------
// Purpose: If COPY_ALL_CHARACTERS == max_chars_to_copy then we try to add the whole pSrc to the end of pDest, otherwise
// we copy only as many characters as are specified in max_chars_to_copy (or the # of characters in pSrc if thats's less).
// Input : *pDest - destination buffer
// *pSrc - string to append
// maxLenInCharacters - sizeof the buffer in characters pointed to by pDest
// max_chars_to_copy - COPY_ALL_CHARACTERS in pSrc or max # to copy
// Output : char * the copied buffer
//-----------------------------------------------------------------------------
wchar_t *V_wcsncat( wchar_t *pDest, const wchar_t *pSrc, int maxLenInBytes, int max_chars_to_copy )
{
DEBUG_LINK_CHECK;
size_t charstocopy = (size_t)0;
Assert( maxLenInBytes >= 0 );
int maxLenInCharacters = maxLenInBytes / sizeof( wchar_t );
size_t len = wcslen(pDest);
size_t srclen = wcslen( pSrc );
if ( max_chars_to_copy <= COPY_ALL_CHARACTERS )
{
charstocopy = srclen;
}
else
{
charstocopy = (size_t)MIN( max_chars_to_copy, (int)srclen );
}
if ( len + charstocopy >= (size_t)maxLenInCharacters )
{
charstocopy = maxLenInCharacters - len - 1;
}
if ( !charstocopy )
{
return pDest;
}
wchar_t *pOut = wcsncat( pDest, pSrc, charstocopy );
pOut[maxLenInCharacters-1] = 0;
return pOut;
}
//-----------------------------------------------------------------------------
// Purpose: Converts value into x.xx MB/ x.xx KB, x.xx bytes format, including commas
// Input : value -
// 2 -
// false -
// Output : char
//-----------------------------------------------------------------------------
#define NUM_PRETIFYMEM_BUFFERS 8
char *V_pretifymem( float value, int digitsafterdecimal /*= 2*/, bool usebinaryonek /*= false*/ )
{
static char output[ NUM_PRETIFYMEM_BUFFERS ][ 32 ];
static int current;
float onekb = usebinaryonek ? 1024.0f : 1000.0f;
float onemb = onekb * onekb;
char *out = output[ current ];
current = ( current + 1 ) & ( NUM_PRETIFYMEM_BUFFERS -1 );
char suffix[ 8 ];
// First figure out which bin to use
if ( value > onemb )
{
value /= onemb;
V_snprintf( suffix, sizeof( suffix ), " MB" );
}
else if ( value > onekb )
{
value /= onekb;
V_snprintf( suffix, sizeof( suffix ), " KB" );
}
else
{
V_snprintf( suffix, sizeof( suffix ), " bytes" );
}
char val[ 32 ];
// Clamp to >= 0
digitsafterdecimal = MAX( digitsafterdecimal, 0 );
// If it's basically integral, don't do any decimals
if ( FloatMakePositive( value - (int)value ) < 0.00001 )
{
V_snprintf( val, sizeof( val ), "%i%s", (int)value, suffix );
}
else
{
char fmt[ 32 ];
// Otherwise, create a format string for the decimals
V_snprintf( fmt, sizeof( fmt ), "%%.%if%s", digitsafterdecimal, suffix );
V_snprintf( val, sizeof( val ), fmt, value );
}
// Copy from in to out
char *i = val;
char *o = out;
// Search for decimal or if it was integral, find the space after the raw number
char *dot = strstr( i, "." );
if ( !dot )
{
dot = strstr( i, " " );
}
// Compute position of dot
int pos = dot - i;
// Don't put a comma if it's <= 3 long
pos -= 3;
while ( *i )
{
// If pos is still valid then insert a comma every third digit, except if we would be
// putting one in the first spot
if ( pos >= 0 && !( pos % 3 ) )
{
// Never in first spot
if ( o != out )
{
*o++ = ',';
}
}
// Count down comma position
pos--;
// Copy rest of data as normal
*o++ = *i++;
}
// Terminate
*o = 0;
return out;
}
//-----------------------------------------------------------------------------
// Purpose: Returns a string representation of an integer with commas
// separating the 1000s (ie, 37,426,421)
// Input : value - Value to convert
// Output : Pointer to a static buffer containing the output
//-----------------------------------------------------------------------------
#define NUM_PRETIFYNUM_BUFFERS 8
char *V_pretifynum( int64 value )
{
static char output[ NUM_PRETIFYMEM_BUFFERS ][ 32 ];
static int current;
char *out = output[ current ];
current = ( current + 1 ) & ( NUM_PRETIFYMEM_BUFFERS -1 );
*out = 0;
// Render the leading -, if necessary
if ( value < 0 )
{
char *pchRender = out + V_strlen( out );
V_snprintf( pchRender, 32, "-" );
value = -value;
}
// Render quadrillions
if ( value >= 1000000000000ll )
{
char *pchRender = out + V_strlen( out );
V_snprintf( pchRender, 32, "%d,", ( int ) ( value / 1000000000000ll ) );
}
// Render trillions
if ( value >= 1000000000000ll )
{
char *pchRender = out + V_strlen( out );
V_snprintf( pchRender, 32, "%d,", ( int ) ( value / 1000000000000ll ) );
}
// Render billions
if ( value >= 1000000000 )
{
char *pchRender = out + V_strlen( out );
V_snprintf( pchRender, 32, "%d,", ( int ) ( value / 1000000000 ) );
}
// Render millions
if ( value >= 1000000 )
{
char *pchRender = out + V_strlen( out );
if ( value >= 1000000000 )
V_snprintf( pchRender, 32, "%03d,", ( int ) ( value / 1000000 ) % 1000 );
else
V_snprintf( pchRender, 32, "%d,", ( int ) ( value / 1000000 ) % 1000 );
}
// Render thousands
if ( value >= 1000 )
{
char *pchRender = out + V_strlen( out );
if ( value >= 1000000 )
V_snprintf( pchRender, 32, "%03d,", ( int ) ( value / 1000 ) % 1000 );
else
V_snprintf( pchRender, 32, "%d,", ( int ) ( value / 1000 ) % 1000 );
}
// Render units
char *pchRender = out + V_strlen( out );
if ( value > 1000 )
V_snprintf( pchRender, 32, "%03d", ( int ) ( value % 1000 ) );
else
V_snprintf( pchRender, 32, "%d", ( int ) ( value % 1000 ) );
return out;
}
//-----------------------------------------------------------------------------
// Purpose: Returns the 4 bit nibble for a hex character
// Input : c -
// Output : unsigned char
//-----------------------------------------------------------------------------
static unsigned char V_nibble( char c )
{
if ( ( c >= '0' ) &&
( c <= '9' ) )
{
return (unsigned char)(c - '0');
}
if ( ( c >= 'A' ) &&
( c <= 'F' ) )
{
return (unsigned char)(c - 'A' + 0x0a);
}
if ( ( c >= 'a' ) &&
( c <= 'f' ) )
{
return (unsigned char)(c - 'a' + 0x0a);
}
return '0';
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *in -
// numchars -
// *out -
// maxoutputbytes -
//-----------------------------------------------------------------------------
void V_hextobinary( char const *in, int numchars, byte *out, int maxoutputbytes )
{
int len = V_strlen( in );
numchars = MIN( len, numchars );
// Make sure it's even
numchars = ( numchars ) & ~0x1;
// Must be an even # of input characters (two chars per output byte)
Assert( numchars >= 2 );
memset( out, 0x00, maxoutputbytes );
byte *p;
int i;
p = out;
for ( i = 0;
( i < numchars ) && ( ( p - out ) < maxoutputbytes );
i+=2, p++ )
{
*p = ( V_nibble( in[i] ) << 4 ) | V_nibble( in[i+1] );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *in -
// inputbytes -
// *out -
// outsize -
//-----------------------------------------------------------------------------
void V_binarytohex( const byte *in, int inputbytes, char *out, int outsize )
{
Assert( outsize >= 1 );
char doublet[10];
int i;
out[0]=0;
for ( i = 0; i < inputbytes; i++ )
{
unsigned char c = in[i];
V_snprintf( doublet, sizeof( doublet ), "%02x", c );
V_strncat( out, doublet, outsize, COPY_ALL_CHARACTERS );
}
}
#define PATHSEPARATOR(c) ((c) == '\\' || (c) == '/')
//-----------------------------------------------------------------------------
// Purpose: Extracts the base name of a file (no path, no extension, assumes '/' or '\' as path separator)
// Input : *in -
// *out -
// maxlen -
//-----------------------------------------------------------------------------
void V_FileBase( const char *in, char *out, int maxlen )
{
Assert( maxlen >= 1 );
Assert( in );
Assert( out );
if ( !in || !in[ 0 ] )
{
*out = 0;
return;
}
int len, start, end;
len = V_strlen( in );
// scan backward for '.'
end = len - 1;
while ( end&& in[end] != '.' && !PATHSEPARATOR( in[end] ) )
{
end--;
}
if ( in[end] != '.' ) // no '.', copy to end
{
end = len-1;
}
else
{
end--; // Found ',', copy to left of '.'
}
// Scan backward for '/'
start = len-1;
while ( start >= 0 && !PATHSEPARATOR( in[start] ) )
{
start--;
}
if ( start < 0 || !PATHSEPARATOR( in[start] ) )
{
start = 0;
}
else
{
start++;
}
// Length of new sting
len = end - start + 1;
int maxcopy = MIN( len + 1, maxlen );
// Copy partial string
V_strncpy( out, &in[start], maxcopy );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *ppath -
//-----------------------------------------------------------------------------
void V_StripTrailingSlash( char *ppath )
{
Assert( ppath );
int len = V_strlen( ppath );
if ( len > 0 )
{
if ( PATHSEPARATOR( ppath[ len - 1 ] ) )
{
ppath[ len - 1 ] = 0;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *in -
// *out -
// outSize -
//-----------------------------------------------------------------------------
void V_StripExtension( const char *in, char *out, int outSize )
{
// Find the last dot. If it's followed by a dot or a slash, then it's part of a
// directory specifier like ../../somedir/./blah.
// scan backward for '.'
int end = V_strlen( in ) - 1;
while ( end > 0 && in[end] != '.' && !PATHSEPARATOR( in[end] ) )
{
--end;
}
if (end > 0 && !PATHSEPARATOR( in[end] ) && end < outSize)
{
int nChars = MIN( end, outSize-1 );
if ( out != in )
{
memcpy( out, in, nChars );
}
out[nChars] = 0;
}
else
{
// nothing found
if ( out != in )
{
V_strncpy( out, in, outSize );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *path -
// *extension -
// pathStringLength -
//-----------------------------------------------------------------------------
void V_DefaultExtension( char *path, const char *extension, int pathStringLength )
{
Assert( path );
Assert( pathStringLength >= 1 );
Assert( extension );
char *src;
// if path doesn't have a .EXT, append extension
// (extension should include the .)
src = path + V_strlen(path) - 1;
while ( !PATHSEPARATOR( *src ) && ( src > path ) )
{
if (*src == '.')
{
// it has an extension
return;
}
src--;
}
// Concatenate the desired extension
char pTemp[MAX_PATH];
if ( extension[0] != '.' )
{
pTemp[0] = '.';
V_strncpy( &pTemp[1], extension, sizeof(pTemp) - 1 );
extension = pTemp;
}
V_strncat( path, extension, pathStringLength, COPY_ALL_CHARACTERS );
}
//-----------------------------------------------------------------------------
// Purpose: Force extension...
// Input : *path -
// *extension -
// pathStringLength -
//-----------------------------------------------------------------------------
void V_SetExtension( char *path, const char *extension, int pathStringLength )
{
V_StripExtension( path, path, pathStringLength );
V_DefaultExtension( path, extension, pathStringLength );
}
//-----------------------------------------------------------------------------
// Purpose: Remove final filename from string
// Input : *path -
// Output : void V_StripFilename
//-----------------------------------------------------------------------------
void V_StripFilename (char *path)
{
int length;
length = V_strlen( path )-1;
if ( length <= 0 )
return;
while ( length > 0 &&
!PATHSEPARATOR( path[length] ) )
{
length--;
}
path[ length ] = 0;
}
#ifdef _WIN32
#define CORRECT_PATH_SEPARATOR '\\'
#define INCORRECT_PATH_SEPARATOR '/'
#elif POSIX
#define CORRECT_PATH_SEPARATOR '/'
#define INCORRECT_PATH_SEPARATOR '\\'
#endif
//-----------------------------------------------------------------------------
// Purpose: Changes all '/' or '\' characters into separator
// Input : *pname -
// separator -
//-----------------------------------------------------------------------------
void V_FixSlashes( char *pname, char separator /* = CORRECT_PATH_SEPARATOR */ )
{
while ( *pname )
{
if ( *pname == INCORRECT_PATH_SEPARATOR || *pname == CORRECT_PATH_SEPARATOR )
{
*pname = separator;
}
pname++;
}
}
//-----------------------------------------------------------------------------
// Purpose: This function fixes cases of filenames like materials\\blah.vmt or somepath\otherpath\\ and removes the extra double slash.
//-----------------------------------------------------------------------------
void V_FixDoubleSlashes( char *pStr )
{
int len = V_strlen( pStr );
for ( int i=1; i < len-1; i++ )
{
if ( (pStr[i] == '/' || pStr[i] == '\\') && (pStr[i+1] == '/' || pStr[i+1] == '\\') )
{
// This means there's a double slash somewhere past the start of the filename. That
// can happen in Hammer if they use a material in the root directory. You'll get a filename
// that looks like 'materials\\blah.vmt'
V_memmove( &pStr[i], &pStr[i+1], len - i );
--len;
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Strip off the last directory from dirName
// Input : *dirName -
// maxlen -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool V_StripLastDir( char *dirName, int maxlen )
{
if( dirName[0] == 0 ||
!V_stricmp( dirName, "./" ) ||
!V_stricmp( dirName, ".\\" ) )
return false;
int len = V_strlen( dirName );
Assert( len < maxlen );
// skip trailing slash
if ( PATHSEPARATOR( dirName[len-1] ) )
{
len--;
}
bool bHitColon = false;
while ( len > 0 )
{
if ( PATHSEPARATOR( dirName[len-1] ) )
{
dirName[len] = 0;
V_FixSlashes( dirName, CORRECT_PATH_SEPARATOR );
return true;
}
else if ( dirName[len-1] == ':' )
{
bHitColon = true;
}
len--;
}
// If we hit a drive letter, then we're done.
// Ex: If they passed in c:\, then V_StripLastDir should return "" and false.
if ( bHitColon )
{
dirName[0] = 0;
return false;
}
// Allow it to return an empty string and true. This can happen if something like "tf2/" is passed in.
// The correct behavior is to strip off the last directory ("tf2") and return true.
if ( len == 0 && !bHitColon )
{
V_snprintf( dirName, maxlen, ".%c", CORRECT_PATH_SEPARATOR );
return true;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Returns a pointer to the beginning of the unqualified file name
// (no path information)
// Input: in - file name (may be unqualified, relative or absolute path)
// Output: pointer to unqualified file name
//-----------------------------------------------------------------------------
const char * V_UnqualifiedFileName( const char * in )
{
if ( !in || !in[0] )
return in;
// back up until the character after the first path separator we find,
// or the beginning of the string
const char * out = in + strlen( in ) - 1;
while ( ( out > in ) && ( !PATHSEPARATOR( *( out-1 ) ) ) )
out--;
return out;
}
char *V_UnqualifiedFileName( char *in )
{
return const_cast<char *>( V_UnqualifiedFileName( const_cast<const char *>(in) ) );
}
//-----------------------------------------------------------------------------
// Purpose: Composes a path and filename together, inserting a path separator
// if need be
// Input: path - path to use
// filename - filename to use
// dest - buffer to compose result in
// destSize - size of destination buffer
//-----------------------------------------------------------------------------
void V_ComposeFileName( const char *path, const char *filename, char *dest, int destSize )
{
V_strncpy( dest, path, destSize );
V_FixSlashes( dest );
V_AppendSlash( dest, destSize );
V_strncat( dest, filename, destSize, COPY_ALL_CHARACTERS );
V_FixSlashes( dest );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *path -
// *dest -
// destSize -
// Output : void V_ExtractFilePath
//-----------------------------------------------------------------------------
bool V_ExtractFilePath (const char *path, char *dest, int destSize )
{
Assert( destSize >= 1 );
if ( destSize < 1 )
{
return false;
}
// Last char
int len = V_strlen(path);
const char *src = path + (len ? len-1 : 0);
// back up until a \ or the start
while ( src != path && !PATHSEPARATOR( *(src-1) ) )
{
src--;
}
int copysize = MIN( src - path, destSize - 1 );
memcpy( dest, path, copysize );
dest[copysize] = 0;
return copysize != 0 ? true : false;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *path -
// *dest -
// destSize -
// Output : void V_ExtractFileExtension
//-----------------------------------------------------------------------------
void V_ExtractFileExtension( const char *path, char *dest, int destSize )
{
*dest = 0;
const char * extension = V_GetFileExtension( path );
if ( NULL != extension )
V_strncpy( dest, extension, destSize );
}
//-----------------------------------------------------------------------------
// Purpose: Returns a pointer to the file extension within a file name string
// Input: in - file name
// Output: pointer to beginning of extension (after the "."), or NULL
// if there is no extension
//-----------------------------------------------------------------------------
const char * V_GetFileExtension( const char * path )
{
const char *src;
src = path + strlen(path) - 1;
//
// back up until a . or the start
//
while (src != path && !PATHSEPARATOR( *src ) && *(src-1) != '.' )
src--;
// check to see if the '.' is part of a pathname
if (src == path || PATHSEPARATOR( *src ) )
{
return NULL; // no extension
}
return src;
}
//-----------------------------------------------------------------------------
// Purpose: Returns a pointer to the filename part of a path string
// Input: in - file name
// Output: pointer to beginning of filename (after the "/"). If there were no /,
// output is identical to input
//-----------------------------------------------------------------------------
const char *V_GetFileName( const char *pPath )
{
if ( !pPath || !pPath[0] )
return pPath;
const char *pSrc;
pSrc = pPath + strlen( pPath ) - 1;
// back up until a / or the start
while ( pSrc > pPath && !PATHSEPARATOR( *( pSrc-1 ) ) )
--pSrc;
return pSrc;
}
bool V_RemoveDotSlashes( char *pFilename, char separator )
{
// Remove '//' or '\\'
char *pIn = pFilename;
char *pOut = pFilename;
bool bPrevPathSep = false;
while ( *pIn )
{
bool bIsPathSep = PATHSEPARATOR( *pIn );
if ( !bIsPathSep || !bPrevPathSep )
{
*pOut++ = *pIn;
}
bPrevPathSep = bIsPathSep;
++pIn;
}
*pOut = 0;
// Get rid of "./"'s
pIn = pFilename;
pOut = pFilename;
while ( *pIn )
{
// The logic on the second line is preventing it from screwing up "../"
if ( pIn[0] == '.' && PATHSEPARATOR( pIn[1] ) &&
(pIn == pFilename || pIn[-1] != '.') )
{
pIn += 2;
}
else
{
*pOut = *pIn;
++pIn;
++pOut;
}
}
*pOut = 0;
// Get rid of a trailing "/." (needless).
int len = strlen( pFilename );
if ( len > 2 && pFilename[len-1] == '.' && PATHSEPARATOR( pFilename[len-2] ) )
{
pFilename[len-2] = 0;
}
// Each time we encounter a "..", back up until we've read the previous directory name,
// then get rid of it.
pIn = pFilename;
while ( *pIn )
{
if ( pIn[0] == '.' &&
pIn[1] == '.' &&
(pIn == pFilename || PATHSEPARATOR(pIn[-1])) && // Preceding character must be a slash.
(pIn[2] == 0 || PATHSEPARATOR(pIn[2])) ) // Following character must be a slash or the end of the string.
{
char *pEndOfDots = pIn + 2;
char *pStart = pIn - 2;
// Ok, now scan back for the path separator that starts the preceding directory.
while ( 1 )
{
if ( pStart < pFilename )
return false;
if ( PATHSEPARATOR( *pStart ) )
break;
--pStart;
}
// Now slide the string down to get rid of the previous directory and the ".."
memmove( pStart, pEndOfDots, strlen( pEndOfDots ) + 1 );
// Start over.
pIn = pFilename;
}
else
{
++pIn;
}
}
V_FixSlashes( pFilename, separator );
return true;
}
void V_AppendSlash( char *pStr, int strSize )
{
int len = V_strlen( pStr );
if ( len > 0 && !PATHSEPARATOR(pStr[len-1]) )
{
if ( len+1 >= strSize )
Error( "V_AppendSlash: ran out of space on %s.", pStr );
pStr[len] = CORRECT_PATH_SEPARATOR;
pStr[len+1] = 0;
}
}
void V_MakeAbsolutePath( char *pOut, int outLen, const char *pPath, const char *pStartingDir )
{
if ( V_IsAbsolutePath( pPath ) )
{
// pPath is not relative.. just copy it.
V_strncpy( pOut, pPath, outLen );
}
else
{
// Make sure the starting directory is absolute..
if ( pStartingDir && V_IsAbsolutePath( pStartingDir ) )
{
V_strncpy( pOut, pStartingDir, outLen );
}
else
{
#ifdef _PS3
{
V_strncpy( pOut, g_pPS3PathInfo->GameImagePath(), outLen );
}
#else
{
if ( !_getcwd( pOut, outLen ) )
Error( "V_MakeAbsolutePath: _getcwd failed." );
}
#endif
if ( pStartingDir )
{
V_AppendSlash( pOut, outLen );
V_strncat( pOut, pStartingDir, outLen, COPY_ALL_CHARACTERS );
}
}
// Concatenate the paths.
V_AppendSlash( pOut, outLen );
V_strncat( pOut, pPath, outLen, COPY_ALL_CHARACTERS );
}
if ( !V_RemoveDotSlashes( pOut ) )
Error( "V_MakeAbsolutePath: tried to \"..\" past the root." );
V_FixSlashes( pOut );
}
//-----------------------------------------------------------------------------
// Makes a relative path
//-----------------------------------------------------------------------------
bool V_MakeRelativePath( const char *pFullPath, const char *pDirectory, char *pRelativePath, int nBufLen )
{
pRelativePath[0] = 0;
const char *pPath = pFullPath;
const char *pDir = pDirectory;
// Strip out common parts of the path
const char *pLastCommonPath = NULL;
const char *pLastCommonDir = NULL;
while ( *pPath && ( tolower( *pPath ) == tolower( *pDir ) ||
( PATHSEPARATOR( *pPath ) && ( PATHSEPARATOR( *pDir ) || (*pDir == 0) ) ) ) )
{
if ( PATHSEPARATOR( *pPath ) )
{
pLastCommonPath = pPath + 1;
pLastCommonDir = pDir + 1;
}
if ( *pDir == 0 )
{
--pLastCommonDir;
break;
}
++pDir; ++pPath;
}
// Nothing in common
if ( !pLastCommonPath )
return false;
// For each path separator remaining in the dir, need a ../
int nOutLen = 0;
bool bLastCharWasSeparator = true;
for ( ; *pLastCommonDir; ++pLastCommonDir )
{
if ( PATHSEPARATOR( *pLastCommonDir ) )
{
pRelativePath[nOutLen++] = '.';
pRelativePath[nOutLen++] = '.';
pRelativePath[nOutLen++] = CORRECT_PATH_SEPARATOR;
bLastCharWasSeparator = true;
}
else
{
bLastCharWasSeparator = false;
}
}
// Deal with relative paths not specified with a trailing slash
if ( !bLastCharWasSeparator )
{
pRelativePath[nOutLen++] = '.';
pRelativePath[nOutLen++] = '.';
pRelativePath[nOutLen++] = CORRECT_PATH_SEPARATOR;
}
// Copy the remaining part of the relative path over, fixing the path separators
for ( ; *pLastCommonPath; ++pLastCommonPath )
{
if ( PATHSEPARATOR( *pLastCommonPath ) )
{
pRelativePath[nOutLen++] = CORRECT_PATH_SEPARATOR;
}
else
{
pRelativePath[nOutLen++] = *pLastCommonPath;
}
// Check for overflow
if ( nOutLen == nBufLen - 1 )
break;
}
pRelativePath[nOutLen] = 0;
return true;
}
//-----------------------------------------------------------------------------
// small helper function shared by lots of modules
//-----------------------------------------------------------------------------
bool V_IsAbsolutePath( const char *pStr )
{
bool bIsAbsolute = ( pStr[0] && pStr[1] == ':' ) || pStr[0] == '/' || pStr[0] == '\\';
if ( IsX360() && !bIsAbsolute )
{
bIsAbsolute = ( V_stristr( pStr, ":" ) != NULL );
}
return bIsAbsolute;
}
//-----------------------------------------------------------------------------
// Fixes up a file name, removing dot slashes, fixing slashes, converting to lowercase, etc.
//-----------------------------------------------------------------------------
void V_FixupPathName( char *pOut, size_t nOutLen, const char *pPath )
{
V_strncpy( pOut, pPath, nOutLen );
V_FixSlashes( pOut );
V_RemoveDotSlashes( pOut );
V_FixDoubleSlashes( pOut );
V_strlower( pOut );
}
// Copies at most nCharsToCopy bytes from pIn into pOut.
// Returns false if it would have overflowed pOut's buffer.
static bool CopyToMaxChars( char *pOut, int outSize, const char *pIn, int nCharsToCopy )
{
if ( outSize == 0 )
return false;
int iOut = 0;
while ( *pIn && nCharsToCopy > 0 )
{
if ( iOut == (outSize-1) )
{
pOut[iOut] = 0;
return false;
}
pOut[iOut] = *pIn;
++iOut;
++pIn;
--nCharsToCopy;
}
pOut[iOut] = 0;
return true;
}
// Returns true if it completed successfully.
// If it would overflow pOut, it fills as much as it can and returns false.
bool V_StrSubst(
const char *pIn,
const char *pMatch,
const char *pReplaceWith,
char *pOut,
int outLen,
bool bCaseSensitive
)
{
int replaceFromLen = strlen( pMatch );
int replaceToLen = strlen( pReplaceWith );
const char *pInStart = pIn;
char *pOutPos = pOut;
pOutPos[0] = 0;
while ( 1 )
{
int nRemainingOut = outLen - (pOutPos - pOut);
const char *pTestPos = ( bCaseSensitive ? strstr( pInStart, pMatch ) : V_stristr( pInStart, pMatch ) );
if ( pTestPos )
{
// Found an occurence of pMatch. First, copy whatever leads up to the string.
int copyLen = pTestPos - pInStart;
if ( !CopyToMaxChars( pOutPos, nRemainingOut, pInStart, copyLen ) )
return false;
// Did we hit the end of the output string?
if ( copyLen > nRemainingOut-1 )
return false;
pOutPos += strlen( pOutPos );
nRemainingOut = outLen - (pOutPos - pOut);
// Now add the replacement string.
if ( !CopyToMaxChars( pOutPos, nRemainingOut, pReplaceWith, replaceToLen ) )
return false;
pInStart += copyLen + replaceFromLen;
pOutPos += replaceToLen;
}
else
{
// We're at the end of pIn. Copy whatever remains and get out.
int copyLen = strlen( pInStart );
V_strncpy( pOutPos, pInStart, nRemainingOut );
return ( copyLen <= nRemainingOut-1 );
}
}
}
char* AllocString( const char *pStr, int nMaxChars )
{
int allocLen;
if ( nMaxChars == -1 )
allocLen = strlen( pStr ) + 1;
else
allocLen = MIN( (int)strlen(pStr), nMaxChars ) + 1;
char *pOut = new char[allocLen];
V_strncpy( pOut, pStr, allocLen );
return pOut;
}
void V_SplitString2( const char *pString, const char **pSeparators, int nSeparators, CUtlVector<char*> &outStrings )
{
outStrings.Purge();
const char *pCurPos = pString;
while ( 1 )
{
int iFirstSeparator = -1;
const char *pFirstSeparator = 0;
for ( int i=0; i < nSeparators; i++ )
{
const char *pTest = V_stristr( pCurPos, pSeparators[i] );
if ( pTest && (!pFirstSeparator || pTest < pFirstSeparator) )
{
iFirstSeparator = i;
pFirstSeparator = pTest;
}
}
if ( pFirstSeparator )
{
// Split on this separator and continue on.
int separatorLen = strlen( pSeparators[iFirstSeparator] );
if ( pFirstSeparator > pCurPos )
{
outStrings.AddToTail( AllocString( pCurPos, pFirstSeparator-pCurPos ) );
}
pCurPos = pFirstSeparator + separatorLen;
}
else
{
// Copy the rest of the string
if ( strlen( pCurPos ) )
{
outStrings.AddToTail( AllocString( pCurPos, -1 ) );
}
return;
}
}
}
void V_SplitString( const char *pString, const char *pSeparator, CUtlVector<char*> &outStrings )
{
V_SplitString2( pString, &pSeparator, 1, outStrings );
}
bool V_GetCurrentDirectory( char *pOut, int maxLen )
{
#if defined( _PS3 )
Assert( 0 );
return false; // not supported
#else // !_PS3
return _getcwd( pOut, maxLen ) == pOut;
#endif // _PS3
}
bool V_SetCurrentDirectory( const char *pDirName )
{
#if defined( _PS3 )
Assert( 0 );
return false; // not supported
#else // !_PS3
return _chdir( pDirName ) == 0;
#endif // _PS3
}
// This function takes a slice out of pStr and stores it in pOut.
// It follows the Python slice convention:
// Negative numbers wrap around the string (-1 references the last character).
// Numbers are clamped to the end of the string.
void V_StrSlice( const char *pStr, int firstChar, int lastCharNonInclusive, char *pOut, int outSize )
{
if ( outSize == 0 )
return;
int length = strlen( pStr );
// Fixup the string indices.
if ( firstChar < 0 )
{
firstChar = length - (-firstChar % length);
}
else if ( firstChar >= length )
{
pOut[0] = 0;
return;
}
if ( lastCharNonInclusive < 0 )
{
lastCharNonInclusive = length - (-lastCharNonInclusive % length);
}
else if ( lastCharNonInclusive > length )
{
lastCharNonInclusive %= length;
}
if ( lastCharNonInclusive <= firstChar )
{
pOut[0] = 0;
return;
}
int copyLen = lastCharNonInclusive - firstChar;
if ( copyLen <= (outSize-1) )
{
memcpy( pOut, &pStr[firstChar], copyLen );
pOut[copyLen] = 0;
}
else
{
memcpy( pOut, &pStr[firstChar], outSize-1 );
pOut[outSize-1] = 0;
}
}
void V_StrLeft( const char *pStr, int nChars, char *pOut, int outSize )
{
if ( nChars == 0 )
{
if ( outSize != 0 )
pOut[0] = 0;
return;
}
V_StrSlice( pStr, 0, nChars, pOut, outSize );
}
void V_StrRight( const char *pStr, int nChars, char *pOut, int outSize )
{
int len = strlen( pStr );
if ( nChars >= len )
{
V_strncpy( pOut, pStr, outSize );
}
else
{
V_StrSlice( pStr, -nChars, strlen( pStr ), pOut, outSize );
}
}
//-----------------------------------------------------------------------------
// Convert multibyte to wchar + back
//-----------------------------------------------------------------------------
void V_strtowcs( const char *pString, int nInSize, wchar_t *pWString, int nOutSize )
{
#ifdef _WIN32
if ( !MultiByteToWideChar( CP_UTF8, 0, pString, nInSize, pWString, nOutSize ) )
{
*pWString = L'\0';
}
#elif POSIX
if ( mbstowcs( pWString, pString, nOutSize / sizeof(wchar_t) ) <= 0 )
{
*pWString = 0;
}
#endif
}
void V_wcstostr( const wchar_t *pWString, int nInSize, char *pString, int nOutSize )
{
#ifdef _WIN32
if ( !WideCharToMultiByte( CP_UTF8, 0, pWString, nInSize, pString, nOutSize, NULL, NULL ) )
{
*pString = '\0';
}
#elif POSIX
if ( wcstombs( pString, pWString, nOutSize ) <= 0 )
{
*pString = '\0';
}
#endif
}
//--------------------------------------------------------------------------------
// backslashification
//--------------------------------------------------------------------------------
static char s_BackSlashMap[]="\tt\nn\rr\"\"\\\\";
char *V_AddBackSlashesToSpecialChars( char const *pSrc )
{
// first, count how much space we are going to need
int nSpaceNeeded = 0;
for( char const *pScan = pSrc; *pScan; pScan++ )
{
nSpaceNeeded++;
for(char const *pCharSet=s_BackSlashMap; *pCharSet; pCharSet += 2 )
{
if ( *pCharSet == *pScan )
nSpaceNeeded++; // we need to store a bakslash
}
}
char *pRet = new char[ nSpaceNeeded + 1 ]; // +1 for null
char *pOut = pRet;
for( char const *pScan = pSrc; *pScan; pScan++ )
{
bool bIsSpecial = false;
for(char const *pCharSet=s_BackSlashMap; *pCharSet; pCharSet += 2 )
{
if ( *pCharSet == *pScan )
{
*( pOut++ ) = '\\';
*( pOut++ ) = pCharSet[1];
bIsSpecial = true;
break;
}
}
if (! bIsSpecial )
{
*( pOut++ ) = *pScan;
}
}
*( pOut++ ) = 0;
return pRet;
}
void V_StringToIntArray( int *pVector, int count, const char *pString )
{
char *pstr, *pfront, tempString[128];
int j;
V_strncpy( tempString, pString, sizeof(tempString) );
pstr = pfront = tempString;
for ( j = 0; j < count; j++ ) // lifted from pr_edict.c
{
pVector[j] = atoi( pfront );
while ( *pstr && *pstr != ' ' )
pstr++;
if (!*pstr)
break;
pstr++;
pfront = pstr;
}
for ( j++; j < count; j++ )
{
pVector[j] = 0;
}
}
void V_StringToColor32( color32 *color, const char *pString )
{
int tmp[4];
V_StringToIntArray( tmp, 4, pString );
color->r = tmp[0];
color->g = tmp[1];
color->b = tmp[2];
color->a = tmp[3];
}
// 3d memory copy
void CopyMemory3D( void *pDest, void const *pSrc,
int nNumCols, int nNumRows, int nNumSlices, // dimensions of copy
int nSrcBytesPerRow, int nSrcBytesPerSlice, // strides for source.
int nDestBytesPerRow, int nDestBytesPerSlice // strides for dest
)
{
if ( nNumSlices && nNumRows && nNumCols )
{
uint8 *pDestAdr = reinterpret_cast<uint8 *>( pDest );
uint8 const *pSrcAdr = reinterpret_cast<uint8 const *>( pSrc );
// first check for optimized cases
if ( ( nNumCols == nSrcBytesPerRow ) && ( nNumCols == nDestBytesPerRow ) ) // no row-to-row stride?
{
int n2DSize = nNumCols * nNumRows;
if ( nSrcBytesPerSlice == nDestBytesPerSlice ) // can we do one memcpy?
{
memcpy( pDestAdr, pSrcAdr, n2DSize * nNumSlices );
}
else
{
// there might be some slice-to-slice stride
do
{
memcpy( pDestAdr, pSrcAdr, n2DSize );
pDestAdr += nDestBytesPerSlice;
pSrcAdr += nSrcBytesPerSlice;
} while( nNumSlices-- );
}
}
else
{
// there is row-by-row stride - we have to do the full nested loop
do
{
int nRowCtr = nNumRows;
uint8 const *pSrcRow = pSrcAdr;
uint8 *pDestRow = pDestAdr;
do
{
memcpy( pDestRow, pSrcRow, nNumCols );
pDestRow += nDestBytesPerRow;
pSrcRow += nSrcBytesPerRow;
} while( --nRowCtr );
pSrcAdr += nSrcBytesPerSlice;
pDestAdr += nDestBytesPerSlice;
} while( nNumSlices-- );
}
}
}
void V_TranslateLineFeedsToUnix( char *pStr )
{
char *pIn = pStr;
char *pOut = pStr;
while ( *pIn )
{
if ( pIn[0] == '\r' && pIn[1] == '\n' )
{
++pIn;
}
*pOut++ = *pIn++;
}
*pOut = 0;
}
static char s_hex[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
int HexToValue( char hex )
{
if( hex >= '0' && hex <= '9' )
{
return hex - '0';
}
if( hex >= 'A' && hex <= 'F' )
{
return hex - 'A' + 10;
}
if( hex >= 'a' && hex <= 'f' )
{
return hex - 'a' + 10;
}
// report error here
return -1;
}
bool V_StringToBin( const char*pString, void *pBin, uint nBinSize )
{
if ( (uint)V_strlen( pString ) != nBinSize * 2 )
{
return false;
}
for ( uint i = 0; i < nBinSize; ++i )
{
int high = HexToValue( pString[i*2+0] );
int low = HexToValue( pString[i*2+1] ) ;
if( high < 0 || low < 0 )
{
return false;
}
( ( uint8* )pBin )[i] = uint8( ( high << 4 ) | low );
}
return true;
}
bool V_BinToString( char*pString, void *pBin, uint nBinSize )
{
for ( uint i = 0; i < nBinSize; ++i )
{
pString[i*2+0] = s_hex[( ( uint8* )pBin )[i] >> 4 ];
pString[i*2+1] = s_hex[( ( uint8* )pBin )[i] & 0xF];
}
pString[nBinSize*2] = '\0';
return true;
}
// The following characters are not allowed to begin a line for Asian language line-breaking
// purposes. They include the right parenthesis/bracket, space character, period, exclamation,
// question mark, and a number of language-specific characters for Chinese, Japanese, and Korean
static const wchar_t wszCantBeginLine[] =
{
0x0020, 0x0021, 0x0025, 0x0029, 0x002c, 0x002e, 0x003a, 0x003b,
0x003e, 0x003f, 0x005d, 0x007d, 0x00a2, 0x00a8, 0x00b0, 0x00b7,
0x00bb, 0x02c7, 0x02c9, 0x2010, 0x2013, 0x2014, 0x2015, 0x2016,
0x2019, 0x201d, 0x201e, 0x201f, 0x2020, 0x2021, 0x2022, 0x2025,
0x2026, 0x2027, 0x203a, 0x203c, 0x2047, 0x2048, 0x2049, 0x2103,
0x2236, 0x2574, 0x3001, 0x3002, 0x3003, 0x3005, 0x3006, 0x3009,
0x300b, 0x300d, 0x300f, 0x3011, 0x3015, 0x3017, 0x3019, 0x301b,
0x301c, 0x301e, 0x301f, 0x303b, 0x3041, 0x3043, 0x3045, 0x3047,
0x3049, 0x3063, 0x3083, 0x3085, 0x3087, 0x308e, 0x3095, 0x3096,
0x30a0, 0x30a1, 0x30a3, 0x30a5, 0x30a7, 0x30a9, 0x30c3, 0x30e3,
0x30e5, 0x30e7, 0x30ee, 0x30f5, 0x30f6, 0x30fb, 0x30fd, 0x30fe,
0x30fc, 0x31f0, 0x31f1, 0x31f2, 0x31f3, 0x31f4, 0x31f5, 0x31f6,
0x31f7, 0x31f8, 0x31f9, 0x31fa, 0x31fb, 0x31fc, 0x31fd, 0x31fe,
0x31ff, 0xfe30, 0xfe31, 0xfe32, 0xfe33, 0xfe36, 0xfe38, 0xfe3a,
0xfe3c, 0xfe3e, 0xfe40, 0xfe42, 0xfe44, 0xfe4f, 0xfe50, 0xfe51,
0xfe52, 0xfe53, 0xfe54, 0xfe55, 0xfe56, 0xfe57, 0xfe58, 0xfe5a,
0xfe5c, 0xfe5e, 0xff01, 0xff02, 0xff05, 0xff07, 0xff09, 0xff0c,
0xff0e, 0xff1a, 0xff1b, 0xff1f, 0xff3d, 0xff40, 0xff5c, 0xff5d,
0xff5e, 0xff60, 0xff64
};
// The following characters are not allowed to end a line for Asian Language line-breaking
// purposes. They include left parenthesis/bracket, currency symbols, and an number
// of language-specific characters for Chinese, Japanese, and Korean
static const wchar_t wszCantEndLine[] =
{
0x0024, 0x0028, 0x002a, 0x003c, 0x005b, 0x005c, 0x007b, 0x00a3,
0x00a5, 0x00ab, 0x00ac, 0x00b7, 0x02c6, 0x2018, 0x201c, 0x201f,
0x2035, 0x2039, 0x3005, 0x3007, 0x3008, 0x300a, 0x300c, 0x300e,
0x3010, 0x3014, 0x3016, 0x3018, 0x301a, 0x301d, 0xfe34, 0xfe35,
0xfe37, 0xfe39, 0xfe3b, 0xfe3d, 0xfe3f, 0xfe41, 0xfe43, 0xfe59,
0xfe5b, 0xfe5d, 0xff04, 0xff08, 0xff0e, 0xff3b, 0xff5b, 0xff5f,
0xffe1, 0xffe5, 0xffe6
};
// Can't break between some repeated punctuation patterns ("--", "...", "<asian period repeated>")
static const wchar_t wszCantBreakRepeated[] =
{
0x002d, 0x002e, 0x3002
};
bool AsianWordWrap::CanEndLine( wchar_t wcCandidate )
{
for( int i = 0; i < SIZE_OF_ARRAY( wszCantEndLine ); ++i )
{
if( wcCandidate == wszCantEndLine[i] )
return false;
}
return true;
}
bool AsianWordWrap::CanBeginLine( wchar_t wcCandidate )
{
for( int i = 0; i < SIZE_OF_ARRAY( wszCantBeginLine ); ++i )
{
if( wcCandidate == wszCantBeginLine[i] )
return false;
}
return true;
}
bool AsianWordWrap::CanBreakRepeated( wchar_t wcCandidate )
{
for( int i = 0; i < SIZE_OF_ARRAY( wszCantBreakRepeated ); ++i )
{
if( wcCandidate == wszCantBreakRepeated[i] )
return false;
}
return true;
}
#if defined( _PS3 ) || defined( LINUX )
inline int __cdecl iswascii(wchar_t c) { return ((unsigned)(c) < 0x80); } // not defined in wctype.h on the PS3
#endif
// Used to determine if we can break a line between the first two characters passed
bool AsianWordWrap::CanBreakAfter( const wchar_t* wsz )
{
if( wsz == NULL || wsz[0] == '\0' || wsz[1] == '\0' )
{
return false;
}
wchar_t first_char = wsz[0];
wchar_t second_char = wsz[1];
if( ( iswascii( first_char ) && iswascii( second_char ) ) // If not both CJK, return early
|| ( iswalnum( first_char ) && iswalnum( second_char ) ) ) // both characters are alphanumeric - Don't split a number or a word!
{
return false;
}
if( !CanEndLine( first_char ) )
{
return false;
}
if( !CanBeginLine( second_char) )
{
return false;
}
// don't allow line wrapping in the middle of "--" or "..."
if( ( first_char == second_char ) && ( !CanBreakRepeated( first_char ) ) )
{
return false;
}
// If no rules would prevent us from breaking, assume it's safe to break here
return true;
}
// We use this function to determine where it is permissible to break lines
// of text while wrapping them. On some platforms, the native iswspace() function
// returns FALSE for the "non-breaking space" characters 0x00a0 and 0x202f, and so we don't
// break on them. On others (including the X360 and PC), iswspace returns TRUE for them.
// We get rid of the platform dependency by defining this wrapper which returns false
// for &nbsp; and calls through to the library function for everything else.
int isbreakablewspace( wchar_t ch )
{
// 0x00a0 and 0x202f are the wide and narrow non-breaking space UTF-16 values, respectively
return ch != 0x00a0 && ch != 0x202f && iswspace(ch);
}