2 * $RCSId: xc/lib/fontconfig/src/fcdir.c,v 1.9 2002/08/31 22:17:32 keithp Exp $
4 * Copyright © 2000 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
29 FcFileIsDir (const FcChar8 *file)
33 if (stat ((const char *) file, &statb) != 0)
35 return S_ISDIR(statb.st_mode);
39 FcFileScanFontConfig (FcFontSet *set,
54 * Nothing in the cache, scan the file
56 if (FcDebug () & FC_DBG_SCAN)
58 printf ("\tScanning file %s...", file);
61 font = FcFreeTypeQuery (file, id, blanks, &count);
62 if (FcDebug () & FC_DBG_SCAN)
67 if (font && (!config || FcConfigAcceptFont (config, font)))
69 if (!FcFontSetAdd (set, font))
71 FcPatternDestroy (font);
77 FcPatternDestroy (font);
79 } while (font && ret && id < count);
84 FcFileScanConfig (FcFontSet *set,
90 if (FcFileIsDir (file))
91 return FcStrSetAdd (dirs, file);
93 return FcFileScanFontConfig (set, blanks, file, config);
97 FcFileScan (FcFontSet *set,
99 FcFileCache *cache, /* XXX unused */
104 return FcFileScanConfig (set, dirs, blanks, file, NULL);
108 * Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage
111 cmpstringp(const void *p1, const void *p2)
113 return strcmp(* (char **) p1, * (char **) p2);
117 * Scan the specified directory and construct a cache of its contents
120 FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
131 FcBlanks *blanks = FcConfigGetBlanks (config);
132 FcCache *cache = NULL;
134 if (FcDebug () & FC_DBG_FONTSET)
135 printf ("cache scan dir %s\n", dir);
138 file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
144 strcpy ((char *) file, (char *) dir);
145 strcat ((char *) file, "/");
146 base = file + strlen ((char *) file);
148 if (FcDebug () & FC_DBG_SCAN)
149 printf ("\tScanning dir %s\n", dir);
151 d = opendir ((char *) dir);
154 /* Don't complain about missing directories */
162 set = FcFontSetCreate();
169 files = FcStrSetCreate ();
175 while ((e = readdir (d)))
177 if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN)
179 strcpy ((char *) base, (char *) e->d_name);
180 if (!FcStrSetAdd (files, file)) {
188 * Sort files to make things prettier
190 qsort(files->strs, files->num, sizeof(FcChar8 *), cmpstringp);
192 dirs = FcStrSetCreate ();
197 * Scan file files to build font patterns
199 for (i = 0; i < files->num; i++)
200 FcFileScanConfig (set, dirs, blanks, files->strs[i], config);
203 * Build the cache object
205 cache = FcDirCacheBuild (set, dir, dirs);
210 * Write out the cache file, ignoring any troubles
212 FcDirCacheWrite (cache, config);
215 FcStrSetDestroy (dirs);
217 FcStrSetDestroy (files);
219 FcFontSetDestroy (set);
231 * Read (or construct) the cache for a directory
234 FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config)
236 FcCache *cache = NULL;
239 canon_dir = FcStrCanonFilename (dir);
240 if (!canon_dir) canon_dir = (FcChar8 *) dir;
242 if (config && !FcConfigAcceptFilename (config, canon_dir)) {
246 /* Try to use existing cache file */
248 cache = FcDirCacheLoad (canon_dir, config, NULL);
250 /* Not using existing cache file, construct new cache */
252 cache = FcDirCacheScan (canon_dir, config);
255 if (canon_dir != dir)
262 FcDirScanConfig (FcFontSet *set,
269 return FcFalse; /* XXX fixme */
273 FcDirScan (FcFontSet *set,
275 FcFileCache *cache, /* XXX unused */
280 return FcDirScanConfig (set, dirs, blanks, dir, force, NULL);
284 FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir)
286 return FcFalse; /* XXX deprecated */