fc-match/fc-match.c

   1 /*
   2  * fontconfig/fc-match/fc-match.c
   3  *
   4  * Copyright © 2003 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 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #else
  28 #ifdef linux
  29 #define HAVE_GETOPT_LONG 1
  30 #endif
  31 #define HAVE_GETOPT 1
  32 #endif
  33
  34 #include <fontconfig/fontconfig.h>
  35 #include <stdio.h>
  36 #include <unistd.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 #ifndef HAVE_GETOPT
  41 #define HAVE_GETOPT 0
  42 #endif
  43 #ifndef HAVE_GETOPT_LONG
  44 #define HAVE_GETOPT_LONG 0
  45 #endif
  46
  47 #if HAVE_GETOPT_LONG
  48 #undef  _GNU_SOURCE
  49 #define _GNU_SOURCE
  50 #include <getopt.h>
  51 static const struct option longopts[] = {
  52     {"sort", 0, 0, 's'},
  53     {"all", 0, 0, 'a'},
  54     {"verbose", 0, 0, 'v'},
  55     {"format", 1, 0, 'f'},
  56     {"version", 0, 0, 'V'},
  57     {"help", 0, 0, 'h'},
  58     {NULL,0,0,0},
  59 };
  60 #else
  61 #if HAVE_GETOPT
  62 extern char *optarg;
  63 extern int optind, opterr, optopt;
  64 #endif
  65 #endif
  66
  67 static void
  68 usage (char *program, int error)
  69 {
  70     FILE *file = error ? stderr : stdout;
  71 #if HAVE_GETOPT_LONG
  72     fprintf (file, "usage: %s [-savVh] [-f FORMAT] [--sort] [--all] [--verbose] [--format=FORMAT] [--version] [--help] [pattern]\n",
  73              program);
  74 #else
  75     fprintf (file, "usage: %s [-savVh] [-f FORMAT] [pattern]\n",
  76              program);
  77 #endif
  78     fprintf (file, "List fonts matching [pattern]\n");
  79     fprintf (file, "\n");
  80 #if HAVE_GETOPT_LONG
  81     fprintf (file, "  -s, --sort           display sorted list of matches\n");
  82     fprintf (file, "  -a, --all            display unpruned sorted list of matches\n");
  83     fprintf (file, "  -v, --verbose        display entire font pattern\n");
  84     fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
  85     fprintf (file, "  -V, --version        display font config version and exit\n");
  86     fprintf (file, "  -h, --help           display this help and exit\n");
  87 #else
  88     fprintf (file, "  -s,        (sort)    display sorted list of matches\n");
  89     fprintf (file, "  -a         (all)     display unpruned sorted list of matches\n");
  90     fprintf (file, "  -v         (verbose) display entire font pattern\n");
  91     fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
  92     fprintf (file, "  -V         (version) display font config version and exit\n");
  93     fprintf (file, "  -h         (help)    display this help and exit\n");
  94 #endif
  95     exit (error);
  96 }
  97
  98 int
  99 main (int argc, char **argv)
 100 {
 101     int         verbose = 0;
 102     int         sort = 0, all = 0;
 103     FcChar8     *format = NULL;
 104     int         i;
 105     FcFontSet   *fs;
 106     FcPattern   *pat;
 107     FcResult    result;
 108 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 109     int         c;
 110
 111 #if HAVE_GETOPT_LONG
 112     while ((c = getopt_long (argc, argv, "asvf:Vh", longopts, NULL)) != -1)
 113 #else
 114     while ((c = getopt (argc, argv, "asvf:Vh")) != -1)
 115 #endif
 116     {
 117         switch (c) {
 118         case 'a':
 119             all = 1;
 120             break;
 121         case 's':
 122             sort = 1;
 123             break;
 124         case 'v':
 125             verbose = 1;
 126             break;
 127         case 'f':
 128             format = (FcChar8 *) strdup (optarg);
 129             break;
 130         case 'V':
 131             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 132                      FC_MAJOR, FC_MINOR, FC_REVISION);
 133             exit (0);
 134         case 'h':
 135             usage (argv[0], 0);
 136         default:
 137             usage (argv[0], 1);
 138         }
 139     }
 140     i = optind;
 141 #else
 142     i = 1;
 143 #endif
 144
 145     if (!FcInit ())
 146     {
 147         fprintf (stderr, "Can't init font config library\n");
 148         return 1;
 149     }
 150     if (argv[i])
 151         pat = FcNameParse ((FcChar8 *) argv[i]);
 152     else
 153         pat = FcPatternCreate ();
 154
 155     if (!pat)
 156         return 1;
 157
 158     FcConfigSubstitute (0, pat, FcMatchPattern);
 159     FcDefaultSubstitute (pat);
 160
 161     fs = FcFontSetCreate ();
 162
 163     if (sort || all)
 164     {
 165         FcFontSet       *font_patterns;
 166         int     j;
 167         font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
 168
 169         for (j = 0; j < font_patterns->nfont; j++)
 170         {
 171             FcPattern  *font_pattern;
 172
 173             font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
 174             if (font_pattern)
 175                 FcFontSetAdd (fs, font_pattern);
 176         }
 177
 178         FcFontSetSortDestroy (font_patterns);
 179     }
 180     else
 181     {
 182         FcPattern   *match;
 183         match = FcFontMatch (0, pat, &result);
 184         if (match)
 185             FcFontSetAdd (fs, match);
 186     }
 187     FcPatternDestroy (pat);
 188
 189     if (fs)
 190     {
 191         int     j;
 192
 193         for (j = 0; j < fs->nfont; j++)
 194         {
 195             if (verbose)
 196             {
 197                 FcPatternPrint (fs->fonts[j]);
 198             }
 199             else if (format)
 200             {
 201                 FcChar8 *s;
 202
 203                 s = FcPatternFormat (fs->fonts[j], format);
 204                 printf ("%s", s);
 205                 free (s);
 206             }
 207             else
 208             {
 209                 FcChar8 *family;
 210                 FcChar8 *style;
 211                 FcChar8 *file;
 212
 213                 if (FcPatternGetString (fs->fonts[j], FC_FILE, 0, &file) != FcResultMatch)
 214                     file = (FcChar8 *) "<unknown filename>";
 215                 else
 216                 {
 217                     FcChar8 *slash = (FcChar8 *) strrchr ((char *) file, '/');
 218                     if (slash)
 219                         file = slash+1;
 220                 }
 221                 if (FcPatternGetString (fs->fonts[j], FC_FAMILY, 0, &family) != FcResultMatch)
 222                     family = (FcChar8 *) "<unknown family>";
 223                 if (FcPatternGetString (fs->fonts[j], FC_STYLE, 0, &style) != FcResultMatch)
 224                     style = (FcChar8 *) "<unknown style>";
 225
 226                 printf ("%s: \"%s\" \"%s\"\n", file, family, style);
 227             }
 228         }
 229         FcFontSetDestroy (fs);
 230     }
 231     FcFini ();
 232     return 0;
 233 }