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/*
* $XFree86: xc/lib/fontconfig/src/fcdir.c,v 1.5 2002/05/21 17:06:22 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* 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,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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>
static FcBool
FcFileIsDir (const FcChar8 *file)
{
struct stat statb;
if (stat ((const char *) file, &statb) != 0)
return FcFalse;
return S_ISDIR(statb.st_mode);
}
FcBool
FcFileScan (FcFontSet *set,
FcStrSet *dirs,
FcGlobalCache *cache,
FcBlanks *blanks,
const FcChar8 *file,
FcBool force)
{
int id;
FcChar8 *name;
FcPattern *font;
FcBool ret = FcTrue;
FcBool isDir;
int count = 0;
FcGlobalCacheFile *cache_file;
FcGlobalCacheDir *cache_dir;
FcBool need_scan;
if (force)
cache = 0;
id = 0;
do
{
need_scan = FcTrue;
font = 0;
/*
* Check the cache
*/
if (cache)
{
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;
}
}
}
/*
* Nothing in the cache, scan the file
*/
if (need_scan)
{
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);
free (unparse);
}
}
}
/*
* Add the font
*/
if (font)
{
if (!FcFontSetAdd (set, font))
{
FcPatternDestroy (font);
font = 0;
ret = FcFalse;
}
}
id++;
} while (font && ret && id < count);
return ret;
}
#define FC_MAX_FILE_LEN 4096
FcBool
FcDirScan (FcFontSet *set,
FcStrSet *dirs,
FcGlobalCache *cache,
FcBlanks *blanks,
const FcChar8 *dir,
FcBool force)
{
DIR *d;
struct dirent *e;
FcChar8 *file;
FcChar8 *base;
FcBool ret = FcTrue;
if (!force)
{
/*
* Check fonts.cache file
*/
if (FcDirCacheReadDir (set, dirs, dir))
return FcTrue;
/*
* Check ~/.fonts.cache file
*/
if (cache && FcGlobalCacheScanDir (set, dirs, cache, dir))
return FcTrue;
}
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);
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)))
{
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);
}
}
free (file);
closedir (d);
if (ret && cache)
FcGlobalCacheUpdate (cache, dir, 0, 0);
return ret;
}
FcBool
FcDirSave (FcFontSet *set, FcStrSet *dirs, const FcChar8 *dir)
{
return FcDirCacheWriteDir (set, dirs, dir);
}
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