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- //
- // "$Id: filename_match.cxx,v 1.5 1999/01/07 21:22:28 mike Exp $"
- //
- // Pattern matching routines for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 by Bill Spitzak and others.
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Library General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // Library General Public License for more details.
- //
- // You should have received a copy of the GNU Library General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- // USA.
- //
- // Please report all bugs and problems to "fltk-bugs@easysw.com".
- //
-
- /* Adapted from Rich Salz. */
- #include <FL/filename.H>
- #include <ctype.h>
-
- int filename_match(const char *s, const char *p) {
- int matched;
-
- for (;;) {
- switch(*p++) {
-
- case '?' : // match any single character
- if (!*s++) return 0;
- break;
-
- case '*' : // match 0-n of any characters
- if (!*p) return 1; // do trailing * quickly
- while (!filename_match(s, p)) if (!*s++) return 0;
- return 1;
-
- case '[': { // match one character in set of form [abc-d] or [^a-b]
- if (!*s) return 0;
- int reverse = (*p=='^' || *p=='!'); if (reverse) p++;
- matched = 0;
- char last = 0;
- while (*p) {
- if (*p=='-' && last) {
- if (*s <= *++p && *s >= last ) matched = 1;
- last = 0;
- } else {
- if (*s == *p) matched = 1;
- }
- last = *p++;
- if (*p==']') break;
- }
- if (matched == reverse) return 0;
- s++; p++;}
- break;
-
- case '{' : // {pattern1|pattern2|pattern3}
- NEXTCASE:
- if (filename_match(s,p)) return 1;
- for (matched = 0;;) {
- switch (*p++) {
- case '\\': if (*p) p++; break;
- case '{': matched++; break;
- case '}': if (!matched--) return 0; break;
- case '|': case ',': if (matched==0) goto NEXTCASE;
- case 0: return 0;
- }
- }
- case '|': // skip rest of |pattern|pattern} when called recursively
- case ',':
- for (matched = 0; *p && matched >= 0;) {
- switch (*p++) {
- case '\\': if (*p) p++; break;
- case '{': matched++; break;
- case '}': matched--; break;
- }
- }
- break;
- case '}':
- break;
-
- case 0: // end of pattern
- return !*s;
-
- #ifdef WIN32
- case '\\': // quote next character
- if (*p) p++;
- if (*s++ != *(p-1)) return 0;
- break;
- default:
- if (tolower(*s) != tolower(*(p-1))) return 0;
- s++;
- #else
- case '\\': // quote next character
- if (*p) p++;
- default :
- if (*s++ != *(p-1)) return 0;
- break;
- #endif
- }
- }
- }
-
- //
- // End of "$Id: filename_match.cxx,v 1.5 1999/01/07 21:22:28 mike Exp $".
- //
-