engine: move matchpattern from old engine
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6f27d05361
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e700a7498e
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@ -168,55 +168,6 @@ FILEMATCH COMMON SYSTEM
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=============================================================================
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*/
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static int matchpattern( const char *str, const char *cmp, qboolean caseinsensitive )
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{
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int c1, c2;
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while( *cmp )
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{
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switch( *cmp )
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{
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case 0: return 1; // end of pattern
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case '?': // match any single character
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if( *str == 0 || *str == '/' || *str == '\\' || *str == ':' )
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return 0; // no match
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str++;
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cmp++;
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break;
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case '*': // match anything until following string
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if( !*str ) return 1; // match
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cmp++;
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while( *str )
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{
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if( *str == '/' || *str == '\\' || *str == ':' )
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break;
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// see if pattern matches at this offset
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if( matchpattern( str, cmp, caseinsensitive ))
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return 1;
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// nope, advance to next offset
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str++;
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}
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break;
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default:
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if( *str != *cmp )
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{
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if( !caseinsensitive )
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return 0; // no match
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c1 = Q_tolower( *str );
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c2 = Q_tolower( *cmp );
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if( c1 != c2 ) return 0; // no match
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}
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str++;
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cmp++;
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break;
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}
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}
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// reached end of pattern but not end of input?
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return (*str) ? 0 : 1;
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}
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static void stringlistinit( stringlist_t *list )
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{
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memset( list, 0, sizeof( *list ));
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@ -885,3 +885,69 @@ void COM_ReplaceExtension( char *path, const char *extension )
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COM_StripExtension( path );
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COM_DefaultExtension( path, extension );
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}
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int matchpattern( const char *in, const char *pattern, qboolean caseinsensitive )
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{
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return matchpattern_with_separator( in, pattern, caseinsensitive, "/\\:", false );
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}
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// wildcard_least_one: if true * matches 1 or more characters
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// if false * matches 0 or more characters
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int matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one )
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{
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int c1, c2;
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while( *pattern )
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{
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switch( *pattern )
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{
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case 0:
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return 1; // end of pattern
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case '?': // match any single character
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if( *in == 0 || Q_strchr( separators, *in ))
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return 0; // no match
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in++;
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pattern++;
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break;
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case '*': // match anything until following string
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if( wildcard_least_one )
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{
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if( *in == 0 || Q_strchr( separators, *in ))
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return 0; // no match
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in++;
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}
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pattern++;
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while( *in )
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{
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if( Q_strchr(separators, *in ))
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break;
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// see if pattern matches at this offset
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if( matchpattern_with_separator(in, pattern, caseinsensitive, separators, wildcard_least_one ))
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return 1;
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// nope, advance to next offset
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in++;
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}
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break;
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default:
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if( *in != *pattern )
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{
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if( !caseinsensitive )
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return 0; // no match
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c1 = *in;
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if( c1 >= 'A' && c1 <= 'Z' )
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c1 += 'a' - 'A';
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c2 = *pattern;
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if( c2 >= 'A' && c2 <= 'Z' )
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c2 += 'a' - 'A';
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if( c1 != c2 )
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return 0; // no match
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}
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in++;
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pattern++;
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break;
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}
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}
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if( *in )
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return 0; // reached end of pattern but not end of input
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return 1; // success
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}
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@ -81,5 +81,7 @@ void COM_ExtractFilePath( const char *path, char *dest );
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const char *COM_FileWithoutPath( const char *in );
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void COM_StripExtension( char *path );
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#define COM_CheckString( string ) ( ( !string || !*string ) ? 0 : 1 )
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int matchpattern( const char *in, const char *pattern, qboolean caseinsensitive );
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int matchpattern_with_separator( const char *in, const char *pattern, qboolean caseinsensitive, const char *separators, qboolean wildcard_least_one );
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#endif//STDLIB_H
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