X-Git-Url: https://git.wh0rd.org/?p=fontconfig.git;a=blobdiff_plain;f=src%2Ffcdir.c;h=8a2b97625066eeb05eeffc014cebb8a749056441;hp=6c49591609a12eb7545d6b794f9cfbb42050e69d;hb=HEAD;hpb=f21f40f347afa81d1fcd4ae604bd3f164a3b2e90 diff --git a/src/fcdir.c b/src/fcdir.c index 6c49591..8a2b976 100644 --- a/src/fcdir.c +++ b/src/fcdir.c @@ -1,21 +1,21 @@ /* - * $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.7 2002/07/28 10:50:59 keithp Exp $ + * fontconfig/src/fcdir.c * - * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc. + * Copyright © 2000 Keith Packard * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in + * documentation, and that the name of the author(s) not be used in * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no + * specific, written prior permission. The authors make no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * - * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR @@ -25,198 +25,301 @@ #include "fcint.h" #include -static FcBool +FcBool FcFileIsDir (const FcChar8 *file) { struct stat statb; - if (stat ((const char *) file, &statb) != 0) + if (FcStat (file, &statb) != 0) return FcFalse; return S_ISDIR(statb.st_mode); } -FcBool -FcFileScan (FcFontSet *set, - FcStrSet *dirs, - FcGlobalCache *cache, - FcBlanks *blanks, - const FcChar8 *file, - FcBool force) +static FcBool +FcFileScanFontConfig (FcFontSet *set, + FcBlanks *blanks, + const FcChar8 *file, + FcConfig *config) { - int id; - FcChar8 *name; - FcPattern *font; - FcBool ret = FcTrue; - FcBool isDir; - int count = 0; - FcGlobalCacheFile *cache_file; - FcGlobalCacheDir *cache_dir; - FcBool need_scan; - - if (force) - cache = 0; + FcPattern *font; + FcBool ret = FcTrue; + int id; + int count = 0; + id = 0; do { - need_scan = FcTrue; font = 0; /* - * Check the cache + * Nothing in the cache, scan the file */ - if (cache) + if (FcDebug () & FC_DBG_SCAN) { - if ((cache_file = FcGlobalCacheFileGet (cache, file, id, &count))) - { - /* - * Found a cache entry for the file - */ - if (FcGlobalCacheCheckTime (&cache_file->info)) - { - name = cache_file->name; - need_scan = FcFalse; - FcGlobalCacheReferenced (cache, &cache_file->info); - /* "." means the file doesn't contain a font */ - if (FcStrCmp (name, FC_FONT_FILE_INVALID) != 0) - { - font = FcNameParse (name); - if (font) - if (!FcPatternAddString (font, FC_FILE, file)) - ret = FcFalse; - } - } - } - else if ((cache_dir = FcGlobalCacheDirGet (cache, file, - strlen ((const char *) file), - FcFalse))) - { - if (FcGlobalCacheCheckTime (&cache_dir->info)) - { - font = 0; - need_scan = FcFalse; - FcGlobalCacheReferenced (cache, &cache_dir->info); - if (!FcStrSetAdd (dirs, file)) - ret = FcFalse; - } - } + printf ("\tScanning file %s...", file); + fflush (stdout); } + font = FcFreeTypeQuery (file, id, blanks, &count); + if (FcDebug () & FC_DBG_SCAN) + printf ("done\n"); + /* - * Nothing in the cache, scan the file + * Edit pattern with user-defined rules */ - if (need_scan) + if (font && config && !FcConfigSubstitute (config, font, FcMatchScan)) { - if (FcDebug () & FC_DBG_SCAN) - { - printf ("\tScanning file %s...", file); - fflush (stdout); - } - font = FcFreeTypeQuery (file, id, blanks, &count); - if (FcDebug () & FC_DBG_SCAN) - printf ("done\n"); - isDir = FcFalse; - if (!font && FcFileIsDir (file)) - { - isDir = FcTrue; - ret = FcStrSetAdd (dirs, file); - } - /* - * Update the cache - */ - if (cache && font) - { - FcChar8 *unparse; - - unparse = FcNameUnparse (font); - if (unparse) - { - (void) FcGlobalCacheUpdate (cache, file, id, unparse); - free (unparse); - } - } + FcPatternDestroy (font); + font = NULL; + ret = FcFalse; } + /* * Add the font */ if (font) { + if (FcDebug() & FC_DBG_SCANV) + { + printf ("Final font pattern:\n"); + FcPatternPrint (font); + } if (!FcFontSetAdd (set, font)) { FcPatternDestroy (font); - font = 0; + font = NULL; ret = FcFalse; } } + else if (font) + FcPatternDestroy (font); id++; } while (font && ret && id < count); return ret; } -#define FC_MAX_FILE_LEN 4096 +FcBool +FcFileScanConfig (FcFontSet *set, + FcStrSet *dirs, + FcBlanks *blanks, + const FcChar8 *file, + FcConfig *config) +{ + if (FcFileIsDir (file)) + return FcStrSetAdd (dirs, file); + else + return FcFileScanFontConfig (set, blanks, file, config); +} + +FcBool +FcFileScan (FcFontSet *set, + FcStrSet *dirs, + FcFileCache *cache, /* XXX unused */ + FcBlanks *blanks, + const FcChar8 *file, + FcBool force) +{ + return FcFileScanConfig (set, dirs, blanks, file, FcConfigGetCurrent ()); +} + +/* + * Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage + */ +static int +cmpstringp(const void *p1, const void *p2) +{ + return strcmp(* (char **) p1, * (char **) p2); +} FcBool -FcDirScan (FcFontSet *set, - FcStrSet *dirs, - FcGlobalCache *cache, - FcBlanks *blanks, - const FcChar8 *dir, - FcBool force) +FcDirScanConfig (FcFontSet *set, + FcStrSet *dirs, + FcBlanks *blanks, + const FcChar8 *dir, + FcBool force, /* XXX unused */ + FcConfig *config) { DIR *d; struct dirent *e; + FcStrSet *files; FcChar8 *file; FcChar8 *base; FcBool ret = FcTrue; + int i; if (!force) - { - /* - * Check fonts.cache- file - */ - if (FcDirCacheReadDir (set, dirs, dir)) - return FcTrue; - - /* - * Check ~/.fonts.cache- file - */ - if (cache && FcGlobalCacheScanDir (set, dirs, cache, dir)) - return FcTrue; - } - - file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); - if (!file) return FcFalse; + if (!set && !dirs) + return FcTrue; + + if (!blanks) + blanks = FcConfigGetBlanks (config); + + /* freed below */ + file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); + if (!file) { + ret = FcFalse; + goto bail; + } + strcpy ((char *) file, (char *) dir); strcat ((char *) file, "/"); base = file + strlen ((char *) file); - + + if (FcDebug () & FC_DBG_SCAN) + printf ("\tScanning dir %s\n", dir); + d = opendir ((char *) dir); - if (!d) { - free (file); /* Don't complain about missing directories */ - if (errno == ENOENT) - return FcTrue; - return FcFalse; + if (errno != ENOENT) + ret = FcFalse; + goto bail; + } + + files = FcStrSetCreate (); + if (!files) + { + ret = FcFalse; + goto bail1; } - while (ret && (e = readdir (d))) + while ((e = readdir (d))) { if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) { strcpy ((char *) base, (char *) e->d_name); - ret = FcFileScan (set, dirs, cache, blanks, file, force); + if (!FcStrSetAdd (files, file)) { + ret = FcFalse; + goto bail2; + } } } - free (file); + + /* + * Sort files to make things prettier + */ + qsort(files->strs, files->num, sizeof(FcChar8 *), cmpstringp); + + /* + * Scan file files to build font patterns + */ + for (i = 0; i < files->num; i++) + FcFileScanConfig (set, dirs, blanks, files->strs[i], config); + +bail2: + FcStrSetDestroy (files); +bail1: closedir (d); - if (ret && cache) - FcGlobalCacheUpdate (cache, dir, 0, 0); - +bail: return ret; } FcBool -FcDirSave (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir) +FcDirScan (FcFontSet *set, + FcStrSet *dirs, + FcFileCache *cache, /* XXX unused */ + FcBlanks *blanks, + const FcChar8 *dir, + FcBool force /* XXX unused */) +{ + if (cache || !force) + return FcFalse; + + return FcDirScanConfig (set, dirs, blanks, dir, force, FcConfigGetCurrent ()); +} + +/* + * Scan the specified directory and construct a cache of its contents + */ +FcCache * +FcDirCacheScan (const FcChar8 *dir, FcConfig *config) +{ + FcStrSet *dirs; + FcBool ret = FcTrue; + FcFontSet *set; + FcCache *cache = NULL; + struct stat dir_stat; + + if (FcDebug () & FC_DBG_FONTSET) + printf ("cache scan dir %s\n", dir); + + if (FcStat (dir, &dir_stat) < 0) + { + if (errno != ENOENT) + ret = FcFalse; + goto bail; + } + + set = FcFontSetCreate(); + if (!set) + { + ret = FcFalse; + goto bail; + } + + dirs = FcStrSetCreate (); + if (!dirs) + { + ret = FcFalse; + goto bail1; + } + + /* + * Scan the dir + */ + if (!FcDirScanConfig (set, dirs, NULL, dir, FcTrue, config)) + { + ret = FcFalse; + goto bail2; + } + + /* + * Build the cache object + */ + cache = FcDirCacheBuild (set, dir, &dir_stat, dirs); + if (!cache) + { + ret = FcFalse; + goto bail2; + } + + /* + * Write out the cache file, ignoring any troubles + */ + FcDirCacheWrite (cache, config); + + bail2: + FcStrSetDestroy (dirs); + bail1: + FcFontSetDestroy (set); + bail: + return cache; +} + +/* + * Read (or construct) the cache for a directory + */ +FcCache * +FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config) +{ + FcCache *cache = NULL; + + /* Try to use existing cache file */ + if (!force) + cache = FcDirCacheLoad (dir, config, NULL); + + /* Not using existing cache file, construct new cache */ + if (!cache) + cache = FcDirCacheScan (dir, config); + + return cache; +} + +FcBool +FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir) { - return FcDirCacheWriteDir (set, dirs, dir); + return FcFalse; /* XXX deprecated */ } +#define __fcdir__ +#include "fcaliastail.h" +#undef __fcdir__