/*
- * $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.5 2002/05/21 17:06:22 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
* 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
#include "fcint.h"
#include <dirent.h>
-static FcBool
+FcBool
FcFileIsDir (const FcChar8 *file)
{
struct stat statb;
- if (stat ((const char *) file, &statb) != 0)
+ if (FcStat ((const char *) file, &statb) != 0)
return FcFalse;
return S_ISDIR(statb.st_mode);
}
-FcBool
-FcFileScan (FcFontSet *set,
- FcStrSet *dirs,
- FcFileCache *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;
+ 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 (FcStrCmp (name, FC_FONT_FILE_INVALID) == 0)
- font = 0;
- else if (FcStrCmp (name, FC_FONT_FILE_DIR) == 0)
- {
- ret = FcStrSetAdd (dirs, file);
- font = 0;
- }
- else
- {
- font = FcNameParse (name);
- if (font)
- if (!FcPatternAddString (font, FC_FILE, file))
- ret = FcFalse;
- }
+ 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;
}
- else
+
+ /*
+ * Add the font
+ */
+ if (font && (!config || FcConfigAcceptFont (config, font)))
{
- 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);
- }
- if (!force && cache)
+ if (FcDebug() & FC_DBG_SCANV)
{
- if (font)
- {
- FcChar8 *unparse;
-
- unparse = FcNameUnparse (font);
- if (unparse)
- {
- (void) FcFileCacheUpdate (cache, file, id, unparse);
- free (unparse);
- }
- }
- else
- {
- if (isDir)
- {
- FcFileCacheUpdate (cache, file, id, (FcChar8 *)
- FC_FONT_FILE_DIR);
- }
- else
- {
- /* negative cache files not containing fonts */
- FcFileCacheUpdate (cache, file, id, (FcChar8 *)
- FC_FONT_FILE_INVALID);
- }
- }
+ printf ("Final font pattern:\n");
+ FcPatternPrint (font);
}
- }
- if (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;
}
FcBool
-FcDirCacheValid (const FcChar8 *dir)
+FcFileScanConfig (FcFontSet *set,
+ FcStrSet *dirs,
+ FcBlanks *blanks,
+ const FcChar8 *file,
+ FcConfig *config)
{
- FcChar8 *path;
- FcBool ret;
+ if (FcFileIsDir (file))
+ return FcStrSetAdd (dirs, file);
+ else
+ return FcFileScanFontConfig (set, blanks, file, config);
+}
- path = (FcChar8 *) malloc (strlen ((const char *) dir) + 1 +
- strlen ((const char *) FC_DIR_CACHE_FILE) + 1);
- if (!path)
- return FcFalse;
- strcpy ((char *) path, (const char *) dir);
- strcat ((char *) path, (const char *) "/");
- strcat ((char *) path, (const char *) FC_DIR_CACHE_FILE);
- ret = FcFileCacheValid (path);
- free (path);
- return ret;
+FcBool
+FcFileScan (FcFontSet *set,
+ FcStrSet *dirs,
+ FcFileCache *cache, /* XXX unused */
+ FcBlanks *blanks,
+ const FcChar8 *file,
+ FcBool force)
+{
+ return FcFileScanConfig (set, dirs, blanks, file, NULL);
}
-#define FC_MAX_FILE_LEN 4096
+/*
+ * 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,
- FcFileCache *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;
- FcChar8 *file;
- FcChar8 *base;
- FcBool ret = FcTrue;
+ DIR *d;
+ struct dirent *e;
+ FcStrSet *files;
+ FcChar8 *file;
+ FcChar8 *base;
+ FcBool ret = FcTrue;
+ int i;
- file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
- if (!file)
+ 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 (!force)
- {
- strcpy ((char *) base, FC_DIR_CACHE_FILE);
-
- if (FcFileCacheReadDir (set, dirs, 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;
+ 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);
+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 */)
{
- FcChar8 *file;
- FcChar8 *base;
- FcBool ret;
-
- file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + 256 + 1);
- if (!file)
+ if (cache || !force)
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, dirs, file);
- free (file);
- return ret;
+ return FcDirScanConfig (set, dirs, blanks, dir, force, NULL);
+}
+
+/*
+ * 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 ((char *) 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__