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engine: move matchpattern from old engine

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This commit is contained in:
Alibek Omarov 2019-07-09 16:36:15 +03:00
parent 6f27d05361
commit e700a7498e
3 changed files with 68 additions and 49 deletions
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49
engine/common/filesystem.c
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@ -168,55 +168,6 @@ FILEMATCH COMMON SYSTEM
=============================================================================
*/
static int matchpattern( const char *str, const char *cmp, qboolean caseinsensitive )
{
int c1, c2;
while( *cmp )
{
switch( *cmp )
{
case 0: return 1; // end of pattern
case '?': // match any single character
if( *str == 0 || *str == '/' || *str == '\\' || *str == ':' )
return 0; // no match
str++;
cmp++;
break;
case '*': // match anything until following string
if( !*str ) return 1; // match
cmp++;
while( *str )
{
if( *str == '/' || *str == '\\' || *str == ':' )
break;
// see if pattern matches at this offset
if( matchpattern( str, cmp, caseinsensitive ))
return 1;
// nope, advance to next offset
str++;
}
break;
default:
if( *str != *cmp )
{
if( !caseinsensitive )
return 0; // no match
c1 = Q_tolower( *str );
c2 = Q_tolower( *cmp );
if( c1 != c2 ) return 0; // no match
}
str++;
cmp++;
break;
}
}
// reached end of pattern but not end of input?
return (*str) ? 0 : 1;
}
static void stringlistinit( stringlist_t *list )
{
memset( list, 0, sizeof( *list ));

66
public/crtlib.c
View File

@ -885,3 +885,69 @@ void COM_ReplaceExtension( char *path, const char *extension )
COM_StripExtension( path );
COM_DefaultExtension( path, extension );
}
int matchpattern( const char *in, const char *pattern, qboolean caseinsensitive )
{
return matchpattern_with_separator( in, pattern, caseinsensitive, "/\\:", false );
}
// wildcard_least_one: if true * matches 1 or more characters
// if false * matches 0 or more characters
int matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one )
{
int c1, c2;
while( *pattern )
{
switch( *pattern )
{
case 0:
return 1; // end of pattern
case '?': // match any single character
if( *in == 0 || Q_strchr( separators, *in ))
return 0; // no match
in++;
pattern++;
break;
case '*': // match anything until following string
if( wildcard_least_one )
{
if( *in == 0 || Q_strchr( separators, *in ))
return 0; // no match
in++;
}
pattern++;
while( *in )
{
if( Q_strchr(separators, *in ))
break;
// see if pattern matches at this offset
if( matchpattern_with_separator(in, pattern, caseinsensitive, separators, wildcard_least_one ))
return 1;
// nope, advance to next offset
in++;
}
break;
default:
if( *in != *pattern )
{
if( !caseinsensitive )
return 0; // no match
c1 = *in;
if( c1 >= 'A' && c1 <= 'Z' )
c1 += 'a' - 'A';
c2 = *pattern;
if( c2 >= 'A' && c2 <= 'Z' )
c2 += 'a' - 'A';
if( c1 != c2 )
return 0; // no match
}
in++;
pattern++;
break;
}
}
if( *in )
return 0; // reached end of pattern but not end of input
return 1; // success
}

2
public/crtlib.h
View File

@ -81,5 +81,7 @@ void COM_ExtractFilePath( const char *path, char *dest );
const char *COM_FileWithoutPath( const char *in );
void COM_StripExtension( char *path );
#define COM_CheckString( string ) ( ( !string || !*string ) ? 0 : 1 )
int matchpattern( const char *in, const char *pattern, qboolean caseinsensitive );
int matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one );
#endif//STDLIB_H