fc-cache/fc-cache.c

   1 /*
   2  * $XFree86: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.2 2002/02/15 07:36:14 keithp Exp $
   3  *
   4  * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
   5  *
   6  * Permission to use, copy, modify, distribute, and sell this software and its
   7  * documentation for any purpose is hereby granted without fee, provided that
   8  * the above copyright notice appear in all copies and that both that
   9  * copyright notice and this permission notice appear in supporting
  10  * documentation, and that the name of Keith Packard not be used in
  11  * advertising or publicity pertaining to distribution of the software without
  12  * specific, written prior permission.  Keith Packard makes no
  13  * representations about the suitability of this software for any purpose.  It
  14  * is provided "as is" without express or implied warranty.
  15  *
  16  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  20  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  21  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  22  * PERFORMANCE OF THIS SOFTWARE.
  23  */
  24
  25 #include <fontconfig/fontconfig.h>
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #ifdef HAVE_CONFIG_H
  29 #include <config.h>
  30 #else
  31 #ifdef linux
  32 #define HAVE_GETOPT_LONG 1
  33 #endif
  34 #define HAVE_GETOPT 1
  35 #endif
  36
  37 #ifndef HAVE_GETOPT
  38 #define HAVE_GETOPT 0
  39 #endif
  40 #ifndef HAVE_GETOPT_LONG
  41 #define HAVE_GETOPT_LONG 0
  42 #endif
  43
  44 #if HAVE_GETOPT_LONG
  45 #undef  _GNU_SOURCE
  46 #define _GNU_SOURCE
  47 #include <getopt.h>
  48 const struct option longopts[] = {
  49     {"force", 0, 0, 'f'},
  50     {"version", 0, 0, 'V'},
  51     {"verbose", 0, 0, 'v'},
  52     {"help", 0, 0, '?'},
  53     {NULL,0,0,0},
  54 };
  55 #else
  56 #if HAVE_GETOPT
  57 extern char *optarg;
  58 extern int optind, opterr, optopt;
  59 #endif
  60 #endif
  61
  62 static void
  63 usage (char *program)
  64 {
  65     fprintf (stderr, "usage: %s [-fvV?] [--force] [--verbose] [--version] [--help] [dirs]\n",
  66              program);
  67     fprintf (stderr, "Build font information caches in [dirs]\n"
  68              "(all directories in font configuration by default).\n");
  69     fprintf (stderr, "\n");
  70     fprintf (stderr, "  -v, --force          scan directories with apparently valid caches\n");
  71     fprintf (stderr, "  -v, --verbose        display status information while busy\n");
  72     fprintf (stderr, "  -V, --version        display font config version and exit\n");
  73     fprintf (stderr, "  -?, --help           display this help and exit\n");
  74     exit (1);
  75 }
  76
  77 static int
  78 nsubdirs (FcStrSet *set)
  79 {
  80     FcStrList   *list;
  81     int         n = 0;
  82
  83     list = FcStrListCreate (set);
  84     if (!list)
  85         return 0;
  86     while (FcStrListNext (list))
  87         n++;
  88     FcStrListDone (list);
  89     return n;
  90 }
  91
  92 static int
  93 scanDirs (FcStrList *list, char *program, FcBool force, FcBool verbose)
  94 {
  95     int         ret = 0;
  96     FcChar8     *dir;
  97     FcFontSet   *set;
  98     FcStrSet    *subdirs;
  99     FcStrList   *sublist;
 100
 101     /*
 102      * Now scan all of the directories into separate databases
 103      * and write out the results
 104      */
 105     while ((dir = FcStrListNext (list)))
 106     {
 107         if (verbose)
 108         {
 109             printf ("%s: \"%s\": ", program, dir);
 110             fflush (stdout);
 111         }
 112         set = FcFontSetCreate ();
 113         if (!set)
 114         {
 115             fprintf (stderr, "Can't create font set\n");
 116             ret++;
 117             continue;
 118         }
 119         subdirs = FcStrSetCreate ();
 120         if (!subdirs)
 121         {
 122             fprintf (stderr, "Can't create directory set\n");
 123             ret++;
 124             continue;
 125         }
 126         if (!FcDirScan (set, subdirs, 0, FcConfigGetBlanks (0), dir, force))
 127         {
 128             fprintf (stderr, "Can't scan \"%s\"\n", dir);
 129             ret++;
 130             continue;
 131         }
 132         if (!force && FcDirCacheValid (dir))
 133         {
 134             if (verbose)
 135                 printf ("skipping, %d fonts, %d dirs\n",
 136                         set->nfont, nsubdirs(subdirs));
 137         }
 138         else
 139         {
 140             if (verbose)
 141                 printf ("caching, %d fonts, %d dirs\n",
 142                         set->nfont, nsubdirs (subdirs));
 143             if (!FcDirSave (set, subdirs, dir))
 144             {
 145                 fprintf (stderr, "Can't save cache in \"%s\"\n", dir);
 146                 ret++;
 147             }
 148         }
 149         FcFontSetDestroy (set);
 150         sublist = FcStrListCreate (subdirs);
 151         if (!sublist)
 152         {
 153             fprintf (stderr, "Can't create subdir list in \"%s\"\n", dir);
 154             ret++;
 155             continue;
 156         }
 157         ret += scanDirs (sublist, program, force, verbose);
 158         FcStrSetDestroy (subdirs);
 159     }
 160     FcStrListDone (list);
 161     return ret;
 162 }
 163
 164 int
 165 main (int argc, char **argv)
 166 {
 167     FcStrSet    *dirs;
 168     FcStrList   *list;
 169     FcBool      verbose = FcFalse;
 170     FcBool      force = FcFalse;
 171     FcConfig    *config;
 172     int         i;
 173     int         ret;
 174 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 175     int         c;
 176
 177 #if HAVE_GETOPT_LONG
 178     while ((c = getopt_long (argc, argv, "fVv?", longopts, NULL)) != -1)
 179 #else
 180     while ((c = getopt (argc, argv, "fVv?")) != -1)
 181 #endif
 182     {
 183         switch (c) {
 184         case 'f':
 185             force = FcTrue;
 186             break;
 187         case 'V':
 188             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 189                      FC_MAJOR, FC_MINOR, FC_REVISION);
 190             exit (0);
 191         case 'v':
 192             verbose = FcTrue;
 193             break;
 194         default:
 195             usage (argv[0]);
 196         }
 197     }
 198     i = optind;
 199 #else
 200     i = 1;
 201 #endif
 202
 203     config = FcInitLoadConfig ();
 204     if (!config)
 205     {
 206         fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
 207         return 1;
 208     }
 209     if (argv[i])
 210     {
 211         dirs = FcStrSetCreate ();
 212         if (!dirs)
 213         {
 214             fprintf (stderr, "%s: Can't create list of directories\n",
 215                      argv[0]);
 216             return 1;
 217         }
 218         while (argv[i])
 219         {
 220             if (!FcStrSetAdd (dirs, (FcChar8 *) argv[i]))
 221             {
 222                 fprintf (stderr, "%s: Can't add directory\n", argv[0]);
 223                 return 1;
 224             }
 225             i++;
 226         }
 227         list = FcStrListCreate (dirs);
 228         FcStrSetDestroy (dirs);
 229     }
 230     else
 231         list = FcConfigGetConfigDirs (config);
 232     ret = scanDirs (list, argv[0], force, verbose);
 233     if (verbose)
 234         printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded");
 235     return ret;
 236 }