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     {"version", 0, 0, 'V'},
  55     {"verbose", 0, 0, 'v'},
  56     {"help", 0, 0, 'h'},
  57     {NULL,0,0,0},
  58 };
  59 #else
  60 #if HAVE_GETOPT
  61 extern char *optarg;
  62 extern int optind, opterr, optopt;
  63 #endif
  64 #endif
  65
  66 static void
  67 usage (char *program, int error)
  68 {
  69     FILE *file = error ? stderr : stdout;
  70 #if HAVE_GETOPT_LONG
  71     fprintf (file, "usage: %s [-savVh] [--sort] [--all] [--verbose] [--version] [--help] [pattern]\n",
  72              program);
  73 #else
  74     fprintf (file, "usage: %s [-savVh] [pattern]\n",
  75              program);
  76 #endif
  77     fprintf (file, "List fonts matching [pattern]\n");
  78     fprintf (file, "\n");
  79 #if HAVE_GETOPT_LONG
  80     fprintf (file, "  -s, --sort           display sorted list of matches\n");
  81     fprintf (file, "  -a, --all            display unpruned sorted list of matches\n");
  82     fprintf (file, "  -v, --verbose        display entire font pattern\n");
  83     fprintf (file, "  -V, --version        display font config version and exit\n");
  84     fprintf (file, "  -h, --help           display this help and exit\n");
  85 #else
  86     fprintf (file, "  -s,        (sort)    display sorted list of matches\n");
  87     fprintf (file, "  -a         (all)     display unpruned sorted list of matches\n");
  88     fprintf (file, "  -v         (verbose) display entire font pattern\n");
  89     fprintf (file, "  -V         (version) display font config version and exit\n");
  90     fprintf (file, "  -h         (help)    display this help and exit\n");
  91 #endif
  92     exit (error);
  93 }
  94
  95 int
  96 main (int argc, char **argv)
  97 {
  98     int         verbose = 0;
  99     int         sort = 0, all = 0;
 100     int         i;
 101     FcFontSet   *fs;
 102     FcPattern   *pat;
 103     FcResult    result;
 104 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 105     int         c;
 106
 107 #if HAVE_GETOPT_LONG
 108     while ((c = getopt_long (argc, argv, "asVvh", longopts, NULL)) != -1)
 109 #else
 110     while ((c = getopt (argc, argv, "asVvh")) != -1)
 111 #endif
 112     {
 113         switch (c) {
 114         case 'a':
 115             all = 1;
 116             break;
 117         case 's':
 118             sort = 1;
 119             break;
 120         case 'V':
 121             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 122                      FC_MAJOR, FC_MINOR, FC_REVISION);
 123             exit (0);
 124         case 'v':
 125             verbose = 1;
 126             break;
 127         case 'h':
 128             usage (argv[0], 0);
 129         default:
 130             usage (argv[0], 1);
 131         }
 132     }
 133     i = optind;
 134 #else
 135     i = 1;
 136 #endif
 137
 138     if (!FcInit ())
 139     {
 140         fprintf (stderr, "Can't init font config library\n");
 141         return 1;
 142     }
 143     if (argv[i])
 144         pat = FcNameParse ((FcChar8 *) argv[i]);
 145     else
 146         pat = FcPatternCreate ();
 147
 148     if (!pat)
 149         return 1;
 150
 151     FcConfigSubstitute (0, pat, FcMatchPattern);
 152     FcDefaultSubstitute (pat);
 153
 154     fs = FcFontSetCreate ();
 155
 156     if (sort || all)
 157     {
 158         FcFontSet       *font_patterns;
 159         int     j;
 160         font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
 161
 162         for (j = 0; j < font_patterns->nfont; j++)
 163         {
 164             FcPattern  *font_pattern;
 165
 166             font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
 167             if (font_pattern)
 168                 FcFontSetAdd (fs, font_pattern);
 169         }
 170
 171         FcFontSetSortDestroy (font_patterns);
 172     }
 173     else
 174     {
 175         FcPattern   *match;
 176         match = FcFontMatch (0, pat, &result);
 177         if (match)
 178             FcFontSetAdd (fs, match);
 179     }
 180     FcPatternDestroy (pat);
 181
 182     if (fs)
 183     {
 184         int     j;
 185
 186         for (j = 0; j < fs->nfont; j++)
 187         {
 188             if (verbose)
 189             {
 190                 FcPatternPrint (fs->fonts[j]);
 191             }
 192             else
 193             {
 194                 FcChar8 *family;
 195                 FcChar8 *style;
 196                 FcChar8 *file;
 197
 198                 if (FcPatternGetString (fs->fonts[j], FC_FILE, 0, &file) != FcResultMatch)
 199                     file = (FcChar8 *) "<unknown filename>";
 200                 else
 201                 {
 202                     FcChar8 *slash = (FcChar8 *) strrchr ((char *) file, '/');
 203                     if (slash)
 204                         file = slash+1;
 205                 }
 206                 if (FcPatternGetString (fs->fonts[j], FC_FAMILY, 0, &family) != FcResultMatch)
 207                     family = (FcChar8 *) "<unknown family>";
 208                 if (FcPatternGetString (fs->fonts[j], FC_STYLE, 0, &style) != FcResultMatch)
 209                     style = (FcChar8 *) "<unknown style>";
 210
 211                 printf ("%s: \"%s\" \"%s\"\n", file, family, style);
 212             }
 213         }
 214         FcFontSetDestroy (fs);
 215     }
 216     FcFini ();
 217     return 0;
 218 }