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 the author(s) not be used in
  11  * advertising or publicity pertaining to distribution of the software without
  12  * specific, written prior permission.  The authors make 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  * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  18  * EVENT SHALL THE AUTHOR(S) 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 #include <string.h>
  30 #ifdef HAVE_CONFIG_H
  31 #include <config.h>
  32 #else
  33 #ifdef linux
  34 #define HAVE_GETOPT_LONG 1
  35 #endif
  36 #define HAVE_GETOPT 1
  37 #endif
  38
  39 #ifndef HAVE_GETOPT
  40 #define HAVE_GETOPT 0
  41 #endif
  42 #ifndef HAVE_GETOPT_LONG
  43 #define HAVE_GETOPT_LONG 0
  44 #endif
  45
  46 #if HAVE_GETOPT_LONG
  47 #undef  _GNU_SOURCE
  48 #define _GNU_SOURCE
  49 #include <getopt.h>
  50 const struct option longopts[] = {
  51     {"verbose", 0, 0, 'v'},
  52     {"format", 1, 0, 'f'},
  53     {"quiet", 0, 0, 'q'},
  54     {"version", 0, 0, 'V'},
  55     {"help", 0, 0, 'h'},
  56     {NULL,0,0,0},
  57 };
  58 #else
  59 #if HAVE_GETOPT
  60 extern char *optarg;
  61 extern int optind, opterr, optopt;
  62 #endif
  63 #endif
  64
  65 static void
  66 usage (char *program, int error)
  67 {
  68     FILE *file = error ? stderr : stdout;
  69 #if HAVE_GETOPT_LONG
  70     fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [--verbose] [--format=FORMAT] [--quiet] [--version] [--help] [pattern] {element ...} \n",
  71              program);
  72 #else
  73     fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [pattern] {element ...} \n",
  74              program);
  75 #endif
  76     fprintf (file, "List fonts matching [pattern]\n");
  77     fprintf (file, "\n");
  78 #if HAVE_GETOPT_LONG
  79     fprintf (file, "  -v, --verbose        display entire font pattern verbosely\n");
  80     fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
  81     fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
  82     fprintf (file, "  -V, --version        display font config version and exit\n");
  83     fprintf (file, "  -h, --help           display this help and exit\n");
  84 #else
  85     fprintf (file, "  -v         (verbose) display entire font pattern verbosely\n");
  86     fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
  87     fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
  88     fprintf (file, "  -V         (version) display font config version and exit\n");
  89     fprintf (file, "  -h         (help)    display this help and exit\n");
  90 #endif
  91     exit (error);
  92 }
  93
  94 int
  95 main (int argc, char **argv)
  96 {
  97     int         verbose = 0;
  98     int         quiet = 0;
  99     FcChar8     *format = NULL;
 100     int         nfont = 0;
 101     int         i;
 102     FcObjectSet *os = 0;
 103     FcFontSet   *fs;
 104     FcPattern   *pat;
 105 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 106     int         c;
 107
 108 #if HAVE_GETOPT_LONG
 109     while ((c = getopt_long (argc, argv, "vf:qVh", longopts, NULL)) != -1)
 110 #else
 111     while ((c = getopt (argc, argv, "vf:qVh")) != -1)
 112 #endif
 113     {
 114         switch (c) {
 115         case 'v':
 116             verbose = 1;
 117             break;
 118         case 'f':
 119             format = (FcChar8 *) strdup (optarg);
 120             break;
 121         case 'q':
 122             quiet = 1;
 123             break;
 124         case 'V':
 125             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 126                      FC_MAJOR, FC_MINOR, FC_REVISION);
 127             exit (0);
 128         case 'h':
 129             usage (argv[0], 0);
 130         default:
 131             usage (argv[0], 1);
 132         }
 133     }
 134     i = optind;
 135 #else
 136     i = 1;
 137 #endif
 138
 139     if (!FcInit ())
 140     {
 141         fprintf (stderr, "Can't init font config library\n");
 142         return 1;
 143     }
 144     if (argv[i])
 145     {
 146         pat = FcNameParse ((FcChar8 *) argv[i]);
 147         while (argv[++i])
 148         {
 149             if (!os)
 150                 os = FcObjectSetCreate ();
 151             FcObjectSetAdd (os, argv[i]);
 152         }
 153     }
 154     else
 155         pat = FcPatternCreate ();
 156     if (quiet && !os)
 157         os = FcObjectSetCreate ();
 158     if (!verbose && !format && !os)
 159         os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_FILE, (char *) 0);
 160     if (!format)
 161         format = "%{=fclist}\n";
 162     fs = FcFontList (0, pat, os);
 163     if (os)
 164         FcObjectSetDestroy (os);
 165     if (pat)
 166         FcPatternDestroy (pat);
 167
 168     if (!quiet && fs)
 169     {
 170         int     j;
 171
 172         for (j = 0; j < fs->nfont; j++)
 173         {
 174             if (verbose)
 175             {
 176                 FcPatternPrint (fs->fonts[j]);
 177             }
 178             else
 179             {
 180                 FcChar8 *s;
 181
 182                 s = FcPatternFormat (fs->fonts[j], format);
 183                 if (s)
 184                 {
 185                     printf ("%s", s);
 186                     free (s);
 187                 }
 188             }
 189         }
 190     }
 191
 192     if (fs) {
 193         nfont = fs->nfont;
 194         FcFontSetDestroy (fs);
 195     }
 196
 197     FcFini ();
 198
 199     return quiet ? (nfont == 0 ? 1 : 0) : 0;
 200 }