114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
//
|
|
// "$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 $".
|
|
//
|