Normalize font dirs by using the form, as given in fonts.conf, and recorded

in FcConfig's fontDirs string set, as canonical.
Actually update config.fontDirs as font directories are scanned.

ChangeLog

@@ -1,3 +1,17 @@
+2006-01-09  Patrick Lam  <plam@mit.edu>
+	* fc-cache/fc-cache.c (scanDirs):
+	* fc-cat/fc-cat.c (FcCacheGlobalFileReadAndPrint, FcCacheFileRead):
+	* src/fccache.c (FcGlobalCacheReadDir, FcCacheReadDirs, 
+			 FcDirCacheRead, FcDirCacheConsume, FcDirCacheWrite):
+	* src/fccfg.c (FcConfigNormalizeFontDir):
+	* src/fcdir.c (FcDirScanConfig):
+	* src/fcint.h:
+
+	Normalize font dirs by using the form, as given in fonts.conf, and
+	recorded in FcConfig's fontDirs string set, as canonical.
+	
+	Actually update config.fontDirs as font directories are scanned.
+
 2006-01-08  James Su  <james.su@gmail.com>
 	* src/fcmatch.c (FcFontSetMatch):
 

fc-cache/fc-cache.c

@@ -183,7 +183,7 @@ scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool
 	    FcStrSetDestroy (subdirs);
 	    continue;
 	}
-	if (!FcDirScan (set, subdirs, 0, FcConfigGetBlanks (config), dir, force))
+	if (!FcDirScanConfig (set, subdirs, 0, FcConfigGetBlanks (config), dir, force, config))
 	{
 	    fprintf (stderr, "\"%s\": error scanning\n", dir);
 	    FcFontSetDestroy (set);

fc-cat/fc-cat.c

@@ -202,7 +202,7 @@ FcCacheGlobalFileReadAndPrint (FcFontSet * set, FcStrSet *dirs, char *cache_file
 	printf ("fc-cat: printing global cache contents for dir %s\n", 
 		name_buf);
 
-	if (!FcDirCacheConsume (fd, name_buf, set))
+	if (!FcDirCacheConsume (fd, name_buf, set, 0))
 	    goto bail1;
 
 	dir = strdup(name_buf);
@@ -261,7 +261,7 @@ FcCacheFileRead (FcFontSet * set, FcStrSet *dirs, char *cache_file)
     if (ls)
 	*ls = 0;
 
-    if (!FcDirCacheConsume (fd, dir, set))
+    if (!FcDirCacheConsume (fd, dir, set, 0))
 	goto bail2;
     free (dir);
 

src/fccache.c

@@ -52,10 +52,7 @@ static void *
 FcDirCacheProduce (FcFontSet *set, FcCache * metadata);
 
 static FcBool
-FcDirCacheConsume (int fd, const char * dir, FcFontSet *set);
-
-FcBool
-FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir);
+FcDirCacheConsume (int fd, const char * dir, FcFontSet *set, FcConfig *config);
 
 static int
 FcCacheNextOffset(off_t w);
@@ -312,7 +309,7 @@ FcGlobalCacheReadDir (FcFontSet *set, FcStrSet *dirs, FcGlobalCache * cache, con
 	if (strncmp (d->name, dir, strlen(dir)) == 0)
 	{
 	    lseek (cache->fd, d->offset, SEEK_SET);
-	    if (!FcDirCacheConsume (cache->fd, dir, set))
+	    if (!FcDirCacheConsume (cache->fd, dir, set, config))
 		return FcFalse;
             if (strcmp (d->name, dir) == 0)
 		ret = FcTrue;
@@ -788,7 +785,7 @@ FcCacheReadDirs (FcConfig * config, FcGlobalCache * cache,
 	    free (file);
 	    continue;
 	}
-	if (!FcDirCacheValid (dir) || !FcDirCacheRead (set, subdirs, dir))
+	if (!FcDirCacheValid (dir) || !FcDirCacheRead (set, subdirs, dir, config))
 	{
 	    if (FcDebug () & FC_DBG_FONTSET)
 		printf ("cache scan dir %s\n", dir);
@@ -909,7 +906,7 @@ FcDirCacheOpen (char *cache_file)
 
 /* read serialized state from the cache file */
 FcBool
-FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir)
+FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir, FcConfig *config)
 {
     char 	*cache_file;
     int 	fd;
@@ -940,7 +937,7 @@ FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir)
     while (strlen(FcCacheReadString (fd, subdirName, sizeof (subdirName))) > 0)
         FcStrSetAdd (dirs, (FcChar8 *)subdirName);
 
-    if (!FcDirCacheConsume (fd, (const char *)dir, set))
+    if (!FcDirCacheConsume (fd, (const char *)dir, set, config))
 	goto bail1;
 	
     close(fd);
@@ -955,7 +952,7 @@ FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir)
 }
 
 static FcBool
-FcDirCacheConsume (int fd, const char * dir, FcFontSet *set)
+FcDirCacheConsume (int fd, const char * dir, FcFontSet *set, FcConfig *config)
 {
     FcCache metadata;
     void * current_dir_block;
@@ -980,6 +977,8 @@ FcDirCacheConsume (int fd, const char * dir, FcFontSet *set)
 	return FcFalse;
 
     FcCacheAddBankDir (metadata.bank, dir);
+    if (config)
+	FcConfigAddFontDir (config, (FcChar8 *)dir);
 
     if (!FcFontSetUnserialize (&metadata, set, current_dir_block))
 	return FcFalse;
@@ -1052,6 +1051,10 @@ FcDirCacheWrite (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
     char            *current_arch_machine_name, * header;
     void 	    *current_dir_block = 0;
 
+    dir = FcConfigNormalizeFontDir (FcConfigGetCurrent(), dir);
+    if (!dir)
+	return FcFalse;
+
     cache_file = (char *)FcStrPlus (dir, (FcChar8 *) "/" FC_DIR_CACHE_FILE);
     if (!cache_file)
         goto bail;

src/fccfg.c

@@ -388,6 +388,29 @@ FcConfigAddFontDir (FcConfig	    *config,
     return FcStrSetAddFilename (config->fontDirs, d);
 }
 
+const FcChar8 *
+FcConfigNormalizeFontDir (FcConfig  	*config, 
+			  const FcChar8 *d)
+{
+    /* If this is a bottleneck, we can cache the fontDir inodes. */
+    ino_t	di;
+    int		n;
+    struct stat s;
+
+    if (stat ((char *)d, &s) == -1)
+	return 0;
+    di = s.st_ino;
+
+    for (n = 0; n < config->fontDirs->num; n++)
+    {
+	if (stat ((char *)config->fontDirs->strs[n], &s) == -1)
+	    continue;
+	if (di == s.st_ino)
+	    return config->fontDirs->strs[n];
+    }
+    return 0;
+}
+
 FcBool
 FcConfigAddDir (FcConfig	    *config,
 		const FcChar8	    *d)

src/fcdir.c

@@ -139,7 +139,7 @@ FcDirScanConfig (FcFontSet	*set,
 	if (cache && FcGlobalCacheReadDir (set, dirs, cache, (char *)dir, config))
 	    return FcTrue;
 
-	if (FcDirCacheValid (dir) && FcDirCacheRead (set, dirs, dir))
+	if (FcDirCacheValid (dir) && FcDirCacheRead (set, dirs, dir, config))
 	    return FcTrue;
     }
     
@@ -165,6 +165,7 @@ FcDirScanConfig (FcFontSet	*set,
 	return FcFalse;
     }
 
+    FcConfigAddFontDir (config, dir);
     tmpSet = FcFontSetCreate();
     if (!tmpSet)
     {	

src/fcint.h

@@ -461,7 +461,7 @@ FcBool
 FcDirCacheWrite (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir);
 
 FcBool
-FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir);
+FcDirCacheRead (FcFontSet * set, FcStrSet * dirs, const FcChar8 *dir, FcConfig *config);
 
 extern int *_fcBankId, *_fcBankIdx;
 int
@@ -494,6 +494,10 @@ FcBool
 FcConfigAddConfigFile (FcConfig		*config,
 		       const FcChar8	*f);
 
+const FcChar8 *
+FcConfigNormalizeFontDir (FcConfig  	*config, 
+			  const FcChar8 *d);
+
 FcBool
 FcConfigSetCache (FcConfig	*config,
 		  const FcChar8	*c);