/*
- * $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.7 2002/07/28 10:50:59 keithp Exp $
+ * $RCSId: xc/lib/fontconfig/src/fcdir.c,v 1.9 2002/08/31 22:17:32 keithp Exp $
*
- * 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
#include "fcint.h"
#include <dirent.h>
-static FcBool
+FcBool
FcFileIsDir (const FcChar8 *file)
{
struct stat statb;
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;
+ FcPattern *font;
+ FcBool ret = FcTrue;
+ int id;
+ int count = 0;
- if (force)
- cache = 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 (config && !FcConfigSubstituteWithPat (config, font, NULL, 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);
- FcStrFree (unparse);
- }
- }
+ FcPatternDestroy (font);
+ font = NULL;
+ ret = FcFalse;
}
+
/*
* Add the font
*/
- if (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 = 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
-FcDirScan (FcFontSet *set,
- FcStrSet *dirs,
- FcGlobalCache *cache,
- FcBlanks *blanks,
- const FcChar8 *dir,
- FcBool force)
+FcFileScan (FcFontSet *set,
+ FcStrSet *dirs,
+ FcFileCache *cache, /* XXX unused */
+ FcBlanks *blanks,
+ const FcChar8 *file,
+ FcBool force)
+{
+ return FcFileScanConfig (set, dirs, blanks, file, NULL);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * Scan the specified directory and construct a cache of its contents
+ */
+FcCache *
+FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
{
DIR *d;
struct dirent *e;
+ FcStrSet *files;
+ FcStrSet *dirs;
FcChar8 *file;
FcChar8 *base;
FcBool ret = FcTrue;
+ FcFontSet *set;
+ int i;
+ FcBlanks *blanks = FcConfigGetBlanks (config);
+ FcCache *cache = NULL;
+
+ if (FcDebug () & FC_DBG_FONTSET)
+ printf ("cache scan dir %s\n", dir);
- if (!force)
- {
- /*
- * Check fonts.cache-<version> file
- */
- if (FcDirCacheReadDir (set, dirs, dir))
- return FcTrue;
-
- /*
- * Check ~/.fonts.cache-<version> file
- */
- if (cache && FcGlobalCacheScanDir (set, dirs, cache, dir))
- return FcTrue;
- }
-
/* freed below */
file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
- if (!file)
- return FcFalse;
+ 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;
+ ret = FcTrue;
+ else
+ ret = FcFalse;
+ goto bail_1;
}
- while (ret && (e = readdir (d)))
+
+ set = FcFontSetCreate();
+ if (!set)
+ {
+ ret = FcFalse;
+ goto bail0;
+ }
+
+ 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);
- 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);
+
+ dirs = FcStrSetCreate ();
+ if (!dirs)
+ goto bail2;
+
+ /*
+ * Scan file files to build font patterns
+ */
+ for (i = 0; i < files->num; i++)
+ FcFileScanConfig (set, dirs, blanks, files->strs[i], config);
+
+ /*
+ * Build the cache object
+ */
+ cache = FcDirCacheBuild (set, dir, dirs);
+ if (!cache)
+ goto bail3;
+
+ /*
+ * Write out the cache file, ignoring any troubles
+ */
+ FcDirCacheWrite (cache, config);
+
+ bail3:
+ FcStrSetDestroy (dirs);
+ bail2:
+ FcStrSetDestroy (files);
+ bail1:
+ FcFontSetDestroy (set);
+
+ bail0:
closedir (d);
- if (ret && cache)
- FcGlobalCacheUpdate (cache, dir, 0, 0);
-
- return ret;
+
+ bail_1:
+ free (file);
+ 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
+FcDirScanConfig (FcFontSet *set,
+ FcStrSet *dirs,
+ FcBlanks *blanks,
+ const FcChar8 *dir,
+ FcBool force,
+ FcConfig *config)
+{
+ return FcFalse; /* XXX fixme */
+}
+
+FcBool
+FcDirScan (FcFontSet *set,
+ FcStrSet *dirs,
+ FcFileCache *cache, /* XXX unused */
+ FcBlanks *blanks,
+ const FcChar8 *dir,
+ FcBool force)
+{
+ return FcDirScanConfig (set, dirs, blanks, dir, force, NULL);
}
FcBool
-FcDirSave (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
+FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir)
{
- return FcDirCacheWriteDir (set, dirs, dir);
+ return FcFalse; /* XXX deprecated */
}