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     {"quiet", 0, 0, 'q'},
  53     {"help", 0, 0, 'h'},
  54     {NULL,0,0,0},
  55 };
  56 #else
  57 #if HAVE_GETOPT
  58 extern char *optarg;
  59 extern int optind, opterr, optopt;
  60 #endif
  61 #endif
  62
  63 static void
  64 usage (char *program, int error)
  65 {
  66     FILE *file = error ? stderr : stdout;
  67 #if HAVE_GETOPT_LONG
  68     fprintf (file, "usage: %s [-vqVh] [--verbose] [--quiet] [--version] [--help] [pattern] {element ...} \n",
  69              program);
  70 #else
  71     fprintf (file, "usage: %s [-vqVh] [pattern] {element ...} \n",
  72              program);
  73 #endif
  74     fprintf (file, "List fonts matching [pattern]\n");
  75     fprintf (file, "\n");
  76 #if HAVE_GETOPT_LONG
  77     fprintf (file, "  -v, --verbose        display entire font pattern\n");
  78     fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
  79     fprintf (file, "  -V, --version        display font config version and exit\n");
  80     fprintf (file, "  -h, --help           display this help and exit\n");
  81 #else
  82     fprintf (file, "  -v         (verbose) display entire font pattern\n");
  83     fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
  84     fprintf (file, "  -V         (version) display font config version and exit\n");
  85     fprintf (file, "  -h         (help)    display this help and exit\n");
  86 #endif
  87     exit (error);
  88 }
  89
  90 int
  91 main (int argc, char **argv)
  92 {
  93     int         verbose = 0;
  94     int         quiet = 0;
  95     int         nfont = 0;
  96     int         i;
  97     FcObjectSet *os = 0;
  98     FcFontSet   *fs;
  99     FcPattern   *pat;
 100 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 101     int         c;
 102
 103 #if HAVE_GETOPT_LONG
 104     while ((c = getopt_long (argc, argv, "Vqvh", longopts, NULL)) != -1)
 105 #else
 106     while ((c = getopt (argc, argv, "Vqvh")) != -1)
 107 #endif
 108     {
 109         switch (c) {
 110         case 'V':
 111             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 112                      FC_MAJOR, FC_MINOR, FC_REVISION);
 113             exit (0);
 114         case 'v':
 115             verbose = 1;
 116             break;
 117         case 'q':
 118             quiet = 1;
 119             break;
 120         case 'h':
 121             usage (argv[0], 0);
 122         default:
 123             usage (argv[0], 1);
 124         }
 125     }
 126     i = optind;
 127 #else
 128     i = 1;
 129 #endif
 130
 131     if (!FcInit ())
 132     {
 133         fprintf (stderr, "Can't init font config library\n");
 134         return 1;
 135     }
 136     if (argv[i])
 137     {
 138         pat = FcNameParse ((FcChar8 *) argv[i]);
 139         if (!verbose)
 140             while (argv[++i])
 141             {
 142                 if (!os)
 143                     os = FcObjectSetCreate ();
 144                 FcObjectSetAdd (os, argv[i]);
 145             }
 146     }
 147     else
 148         pat = FcPatternCreate ();
 149     if (quiet && !os)
 150         os = FcObjectSetCreate ();
 151     if (!verbose && !os)
 152         os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, (char *) 0);
 153     fs = FcFontList (0, pat, os);
 154     if (os)
 155         FcObjectSetDestroy (os);
 156     if (pat)
 157         FcPatternDestroy (pat);
 158
 159     if (!quiet && fs)
 160     {
 161         int     j;
 162
 163         for (j = 0; j < fs->nfont; j++)
 164         {
 165             FcChar8 *font;
 166             FcChar8 *file;
 167
 168             if (verbose)
 169                 FcPatternPrint (fs->fonts[j]);
 170             else
 171             {
 172                 font = FcNameUnparse (fs->fonts[j]);
 173                 if (FcPatternGetString (fs->fonts[j], FC_FILE, 0, &file) == FcResultMatch)
 174                     printf ("%s: ", file);
 175                 printf ("%s\n", font);
 176                 free (font);
 177             }
 178         }
 179     }
 180
 181     if (fs) {
 182         nfont = fs->nfont;
 183         FcFontSetDestroy (fs);
 184     }
 185
 186     FcFini ();
 187
 188     return quiet ? (nfont == 0 ? 1 : 0) : 0;
 189 }