/*
- * $XFree86: $
+ * $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
* PERFORMANCE OF THIS SOFTWARE.
*/
-#include <sys/types.h>
-#include <dirent.h>
-#include <stdlib.h>
-#include <string.h>
#include "fcint.h"
-
-#define FC_INVALID_FONT_FILE "."
+#include <dirent.h>
FcBool
-FcFileScan (FcFontSet *set,
- FcFileCache *cache,
- FcBlanks *blanks,
- const FcChar8 *file,
- FcBool force)
+FcFileIsDir (const FcChar8 *file)
{
- int id;
- FcChar8 *name;
- FcPattern *font;
- FcBool ret = FcTrue;
- int count;
+ struct stat statb;
+
+ if (stat ((const char *) 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
{
- if (!force && cache)
- name = FcFileCacheFind (cache, file, id, &count);
- else
- name = 0;
- if (name)
+ font = 0;
+ /*
+ * Nothing in the cache, scan the file
+ */
+ if (FcDebug () & FC_DBG_SCAN)
{
- /* "." means the file doesn't contain a font */
- if (strcmp (name, FC_INVALID_FONT_FILE) != 0)
- {
- font = FcNameParse (name);
- if (font)
- FcPatternAddString (font, FC_FILE, file);
- }
- else
- font = 0;
+ printf ("\tScanning file %s...", file);
+ fflush (stdout);
}
- else
- {
- 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");
- if (!force && cache)
- {
- if (font)
- {
- FcChar8 *unparse;
-
- unparse = FcNameUnparse (font);
- if (unparse)
- {
- (void) FcFileCacheUpdate (cache, file, id, unparse);
- free (unparse);
- }
- }
- else
- {
- /* negative cache files not containing fonts */
- FcFileCacheUpdate (cache, file, id, (FcChar8 *) FC_INVALID_FONT_FILE);
- }
- }
- }
- if (font)
+ font = FcFreeTypeQuery (file, id, blanks, &count);
+ if (FcDebug () & FC_DBG_SCAN)
+ printf ("done\n");
+ /*
+ * Add the font
+ */
+ if (font && (!config || FcConfigAcceptFont (config, font)))
{
if (!FcFontSetAdd (set, font))
{
ret = FcFalse;
}
}
+ else if (font)
+ FcPatternDestroy (font);
id++;
} while (font && ret && id < count);
return ret;
}
FcBool
-FcDirScan (FcFontSet *set,
- FcFileCache *cache,
- FcBlanks *blanks,
- const FcChar8 *dir,
- FcBool force)
+FcFileScanConfig (FcFontSet *set,
+ FcStrSet *dirs,
+ FcBlanks *blanks,
+ const FcChar8 *file,
+ FcBool force,
+ FcConfig *config)
{
- DIR *d;
- struct dirent *e;
- FcChar8 *file;
- FcChar8 *base;
- FcBool ret = FcTrue;
+ if (config && !FcConfigAcceptFilename (config, file))
+ return FcTrue;
- file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + 256 + 1);
+ 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, force, 0);
+}
+
+/*
+ * 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 'dir', adding font files to 'set' and
+ * subdirectories to 'dirs'
+ */
+
+FcBool
+FcDirScanConfig (FcFontSet *set,
+ FcStrSet *dirs,
+ FcBlanks *blanks,
+ const FcChar8 *dir,
+ FcBool force,
+ FcConfig *config)
+{
+ DIR *d;
+ struct dirent *e;
+ FcStrSet *dirlist, *filelist;
+ FcChar8 *file;
+ FcChar8 *base;
+ FcBool ret = FcTrue;
+ FcFontSet *tmpSet;
+ int i;
+
+ if (config && !FcConfigAcceptFilename (config, dir))
+ return FcTrue;
+
+ if (!force)
+ {
+ if (FcDirCacheRead (set, dirs, dir, config))
+ return FcTrue;
+ }
+
+ if (FcDebug () & FC_DBG_FONTSET)
+ printf ("cache scan dir %s\n", dir);
+
+ /* freed below */
+ file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
if (!file)
return FcFalse;
strcpy ((char *) file, (char *) dir);
strcat ((char *) file, "/");
base = file + strlen ((char *) file);
- if (!force)
- {
- strcpy ((char *) base, FC_DIR_CACHE_FILE);
-
- if (FcFileCacheReadDir (set, file))
- {
- free (file);
- return FcTrue;
- }
- }
+ 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;
}
- while (ret && (e = readdir (d)))
+
+ tmpSet = FcFontSetCreate();
+ if (!tmpSet)
+ {
+ ret = FcFalse;
+ goto bail0;
+ }
+
+ dirlist = FcStrSetCreate ();
+ if (!dirlist)
+ {
+ ret = FcFalse;
+ goto bail1;
+ }
+ filelist = FcStrSetCreate ();
+ if (!filelist)
+ {
+ ret = FcFalse;
+ goto bail2;
+ }
+ while ((e = readdir (d)))
{
- if (e->d_name[0] != '.')
+ if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN)
{
strcpy ((char *) base, (char *) e->d_name);
- FcFileScan (set, cache, blanks, file, force);
+ if (FcFileIsDir (file)) {
+ if (!FcStrSetAdd (dirlist, file)) {
+ ret = FcFalse;
+ goto bail3;
+ }
+ } else {
+ if (!FcStrSetAdd (filelist, file)) {
+ ret = FcFalse;
+ goto bail3;
+ }
+ }
}
}
- free (file);
+ /*
+ * Sort files and dirs to make things prettier
+ */
+ qsort(dirlist->strs, dirlist->num, sizeof(FcChar8 *), cmpstringp);
+ qsort(filelist->strs, filelist->num, sizeof(FcChar8 *), cmpstringp);
+
+ for (i = 0; i < filelist->num; i++)
+ FcFileScanFontConfig (tmpSet, blanks, filelist->strs[i], config);
+
+ if (FcShouldWriteFiles ())
+ {
+ /*
+ * Now that the directory has been scanned,
+ * write out the cache file
+ */
+ FcDirCacheWrite (tmpSet, dirlist, dir, config);
+ }
+
+ /*
+ * Add the discovered fonts to our internal non-cache list
+ */
+ for (i = 0; i < tmpSet->nfont; i++)
+ FcFontSetAdd (set, tmpSet->fonts[i]);
+
+ /*
+ * the patterns in tmpset now belong to set; don't free them
+ */
+ tmpSet->nfont = 0;
+
+ /*
+ * Add the discovered directories to the list to be scanned
+ */
+ for (i = 0; i < dirlist->num; i++)
+ if (!FcStrSetAdd (dirs, dirlist->strs[i])) {
+ ret = FcFalse;
+ goto bail3;
+ }
+
+ bail3:
+ FcStrSetDestroy (filelist);
+ bail2:
+ FcStrSetDestroy (dirlist);
+ bail1:
+ FcFontSetDestroy (tmpSet);
+
+ bail0:
closedir (d);
+
+ free (file);
return ret;
}
FcBool
-FcDirSave (FcFontSet *set, const FcChar8 *dir)
+FcDirScan (FcFontSet *set,
+ FcStrSet *dirs,
+ FcFileCache *cache, /* XXX unused */
+ FcBlanks *blanks,
+ const FcChar8 *dir,
+ FcBool force)
{
- FcChar8 *file;
- FcChar8 *base;
- FcBool ret;
-
- file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + 256 + 1);
- if (!file)
- return FcFalse;
-
- strcpy ((char *) file, (char *) dir);
- strcat ((char *) file, "/");
- base = file + strlen ((char *) file);
- strcpy ((char *) base, FC_DIR_CACHE_FILE);
- ret = FcFileCacheWriteDir (set, file);
- free (file);
- return ret;
+ return FcDirScanConfig (set, dirs, blanks, dir, force, 0);
}
+FcBool
+FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir)
+{
+ return FcDirCacheWrite (set, dirs, dir, FcConfigGetCurrent ());
+}