fc-list/fc-list.c

   1 /*
   2  * fontconfig/fc-list/fc-list.c
   3  *
   4  * Copyright © 2002 Keith Packard
   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 #include <stdlib.h>
  29 #ifdef HAVE_CONFIG_H
  30 #include <config.h>
  31 #else
  32 #ifdef linux
  33 #define HAVE_GETOPT_LONG 1
  34 #endif
  35 #define HAVE_GETOPT 1
  36 #endif
  37
  38 #ifndef HAVE_GETOPT
  39 #define HAVE_GETOPT 0
  40 #endif
  41 #ifndef HAVE_GETOPT_LONG
  42 #define HAVE_GETOPT_LONG 0
  43 #endif
  44
  45 #if HAVE_GETOPT_LONG
  46 #undef  _GNU_SOURCE
  47 #define _GNU_SOURCE
  48 #include <getopt.h>
  49 const struct option longopts[] = {
  50     {"version", 0, 0, 'V'},
  51     {"verbose", 0, 0, 'v'},
  52     {"help", 0, 0, 'h'},
  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, int error)
  64 {
  65     FILE *file = error ? stderr : stdout;
  66 #if HAVE_GETOPT_LONG
  67     fprintf (file, "usage: %s [-vVh] [--verbose] [--version] [--help] [pattern] {element ...} \n",
  68              program);
  69 #else
  70     fprintf (file, "usage: %s [-vVh] [pattern] {element ...} \n",
  71              program);
  72 #endif
  73     fprintf (file, "List fonts matching [pattern]\n");
  74     fprintf (file, "\n");
  75 #if HAVE_GETOPT_LONG
  76     fprintf (file, "  -v, --verbose        display entire font pattern\n");
  77     fprintf (file, "  -V, --version        display font config version and exit\n");
  78     fprintf (file, "  -h, --help           display this help and exit\n");
  79 #else
  80     fprintf (file, "  -v         (verbose) display entire font pattern\n");
  81     fprintf (file, "  -V         (version) display font config version and exit\n");
  82     fprintf (file, "  -h         (help)    display this help and exit\n");
  83 #endif
  84     exit (error);
  85 }
  86
  87 int
  88 main (int argc, char **argv)
  89 {
  90     int         verbose = 0;
  91     int         i;
  92     FcObjectSet *os = 0;
  93     FcFontSet   *fs;
  94     FcPattern   *pat;
  95 #if HAVE_GETOPT_LONG || HAVE_GETOPT
  96     int         c;
  97
  98 #if HAVE_GETOPT_LONG
  99     while ((c = getopt_long (argc, argv, "Vvh", longopts, NULL)) != -1)
 100 #else
 101     while ((c = getopt (argc, argv, "Vvh")) != -1)
 102 #endif
 103     {
 104         switch (c) {
 105         case 'V':
 106             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 107                      FC_MAJOR, FC_MINOR, FC_REVISION);
 108             exit (0);
 109         case 'v':
 110             verbose = 1;
 111             break;
 112         case 'h':
 113             usage (argv[0], 0);
 114         default:
 115             usage (argv[0], 1);
 116         }
 117     }
 118     i = optind;
 119 #else
 120     i = 1;
 121 #endif
 122
 123     if (!FcInit ())
 124     {
 125         fprintf (stderr, "Can't init font config library\n");
 126         return 1;
 127     }
 128     if (argv[i])
 129     {
 130         pat = FcNameParse ((FcChar8 *) argv[i]);
 131         if (!verbose)
 132             while (argv[++i])
 133             {
 134                 if (!os)
 135                     os = FcObjectSetCreate ();
 136                 FcObjectSetAdd (os, argv[i]);
 137             }
 138     }
 139     else
 140         pat = FcPatternCreate ();
 141
 142     if (!verbose && !os)
 143         os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, (char *) 0);
 144     fs = FcFontList (0, pat, os);
 145     if (os)
 146         FcObjectSetDestroy (os);
 147     if (pat)
 148         FcPatternDestroy (pat);
 149
 150     if (fs)
 151     {
 152         int     j;
 153
 154         for (j = 0; j < fs->nfont; j++)
 155         {
 156             FcChar8 *font;
 157             FcChar8 *file;
 158
 159             if (verbose)
 160                 FcPatternPrint (fs->fonts[j]);
 161             else
 162             {
 163                 font = FcNameUnparse (fs->fonts[j]);
 164                 if (FcPatternGetString (fs->fonts[j], FC_FILE, 0, &file) == FcResultMatch)
 165                     printf ("%s: ", file);
 166                 printf ("%s\n", font);
 167                 free (font);
 168             }
 169         }
 170         FcFontSetDestroy (fs);
 171     }
 172
 173     FcFini ();
 174
 175     return 0;
 176 }