/* * fontconfig/src/fcdir.c * * 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 the author(s) not be used in * advertising or publicity pertaining to distribution of the software without * 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. * * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * 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 * PERFORMANCE OF THIS SOFTWARE. */ #include "fcint.h" #include <dirent.h> FcBool FcFileIsDir (const FcChar8 *file) { struct stat statb; if (FcStat (file, &statb) != 0) return FcFalse; return S_ISDIR(statb.st_mode); } static FcBool FcFileScanFontConfig (FcFontSet *set, FcBlanks *blanks, const FcChar8 *file, FcConfig *config) { FcPattern *font; FcBool ret = FcTrue; int id; int count = 0; id = 0; do { font = 0; /* * Nothing in the cache, scan the file */ 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"); /* * Edit pattern with user-defined rules */ if (font && config && !FcConfigSubstituteWithPat (config, font, NULL, FcMatchScan)) { FcPatternDestroy (font); font = NULL; ret = FcFalse; } /* * Add the font */ if (font && (!config || FcConfigAcceptFont (config, font))) { if (FcDebug() & FC_DBG_SCANV) { printf ("Final font pattern:\n"); FcPatternPrint (font); } if (!FcFontSetAdd (set, font)) { FcPatternDestroy (font); font = NULL; ret = FcFalse; } } else if (font) FcPatternDestroy (font); id++; } while (font && ret && id < count); return ret; } 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 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) 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) { /* Don't complain about missing directories */ if (errno != ENOENT) ret = FcFalse; goto bail; } files = FcStrSetCreate (); if (!files) { ret = FcFalse; goto bail1; } while ((e = readdir (d))) { if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) { strcpy ((char *) base, (char *) e->d_name); if (!FcStrSetAdd (files, file)) { ret = FcFalse; goto bail2; } } } /* * 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); bail: return ret; } FcBool 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; if (config && !FcConfigAcceptFilename (config, dir)) return 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 FcFalse; /* XXX deprecated */ } #define __fcdir__ #include "fcaliastail.h" #undef __fcdir__