fc-query/fc-query.c

   1 /*
   2  * fontconfig/fc-query/fc-query.c
   3  *
   4  * Copyright © 2003 Keith Packard
   5  * Copyright © 2008 Red Hat, Inc.
   6  * Red Hat Author(s): Behdad Esfahbod
   7  *
   8  * Permission to use, copy, modify, distribute, and sell this software and its
   9  * documentation for any purpose is hereby granted without fee, provided that
  10  * the above copyright notice appear in all copies and that both that
  11  * copyright notice and this permission notice appear in supporting
  12  * documentation, and that the name of Keith Packard not be used in
  13  * advertising or publicity pertaining to distribution of the software without
  14  * specific, written prior permission.  Keith Packard makes no
  15  * representations about the suitability of this software for any purpose.  It
  16  * is provided "as is" without express or implied warranty.
  17  *
  18  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  19  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  20  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  21  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  22  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  23  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  24  * PERFORMANCE OF THIS SOFTWARE.
  25  */
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include <config.h>
  29 #else
  30 #ifdef linux
  31 #define HAVE_GETOPT_LONG 1
  32 #endif
  33 #define HAVE_GETOPT 1
  34 #endif
  35
  36 #include <fontconfig/fontconfig.h>
  37 #include <fontconfig/fcfreetype.h>
  38 #include <stdio.h>
  39 #include <unistd.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42
  43 #ifndef HAVE_GETOPT
  44 #define HAVE_GETOPT 0
  45 #endif
  46 #ifndef HAVE_GETOPT_LONG
  47 #define HAVE_GETOPT_LONG 0
  48 #endif
  49
  50 #if HAVE_GETOPT_LONG
  51 #undef  _GNU_SOURCE
  52 #define _GNU_SOURCE
  53 #include <getopt.h>
  54 static const struct option longopts[] = {
  55     {"index", 1, 0, 'i'},
  56     {"format", 1, 0, 'f'},
  57     {"version", 0, 0, 'V'},
  58     {"help", 0, 0, 'h'},
  59     {NULL,0,0,0},
  60 };
  61 #else
  62 #if HAVE_GETOPT
  63 extern char *optarg;
  64 extern int optind, opterr, optopt;
  65 #endif
  66 #endif
  67
  68 static void
  69 usage (char *program, int error)
  70 {
  71     FILE *file = error ? stderr : stdout;
  72 #if HAVE_GETOPT_LONG
  73     fprintf (file, "usage: %s [-Vh] [-i index] [-f FORMAT] [--index index] [--format FORMAT] [--version] [--help] font-file...\n",
  74              program);
  75 #else
  76     fprintf (file, "usage: %s [-Vh] [-i index] [-f FORMAT] font-file...\n",
  77              program);
  78 #endif
  79     fprintf (file, "Query font files and print resulting pattern(s)\n");
  80     fprintf (file, "\n");
  81 #if HAVE_GETOPT_LONG
  82     fprintf (file, "  -i, --index INDEX    display the INDEX face of each font file only\n");
  83     fprintf (file, "  -f, --format=FORMAT  use the given output format\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 #else
  87     fprintf (file, "  -i INDEX   (index)   display the INDEX face of each font file only\n");
  88     fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
  89     fprintf (file, "  -a         (all)     display unpruned sorted list of matches\n");
  90     fprintf (file, "  -V         (version) display font config version and exit\n");
  91     fprintf (file, "  -h         (help)    display this help and exit\n");
  92 #endif
  93     exit (error);
  94 }
  95
  96 int
  97 main (int argc, char **argv)
  98 {
  99     int         index_set = 0;
 100     int         set_index = 0;
 101     FcChar8     *format = NULL;
 102     int         err = 0;
 103     int         i;
 104     FcBlanks    *blanks;
 105 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 106     int         c;
 107
 108 #if HAVE_GETOPT_LONG
 109     while ((c = getopt_long (argc, argv, "i:sVvh", longopts, NULL)) != -1)
 110 #else
 111     while ((c = getopt (argc, argv, "i:asVvh")) != -1)
 112 #endif
 113     {
 114         switch (c) {
 115         case 'i':
 116             index_set = 1;
 117             set_index = atoi (optarg);
 118             break;
 119         case 'f':
 120             format = (FcChar8 *) strdup (optarg);
 121             break;
 122         case 'V':
 123             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 124                      FC_MAJOR, FC_MINOR, FC_REVISION);
 125             exit (0);
 126         case 'h':
 127             usage (argv[0], 0);
 128         default:
 129             usage (argv[0], 1);
 130         }
 131     }
 132     i = optind;
 133 #else
 134     i = 1;
 135 #endif
 136
 137     if (i == argc)
 138         usage (argv[0], 1);
 139
 140     if (!FcInit ())
 141     {
 142         fprintf (stderr, "Can't init font config library\n");
 143         return 1;
 144     }
 145
 146     blanks = FcConfigGetBlanks (NULL);
 147
 148     for (; i < argc; i++)
 149     {
 150         int index;
 151         int count = 0;
 152
 153         index = set_index;
 154
 155         do {
 156             FcPattern *pat;
 157
 158             pat = FcFreeTypeQuery ((FcChar8 *) argv[i], index, blanks, &count);
 159             if (pat)
 160             {
 161                 if (format)
 162                 {
 163                     FcChar8 *s;
 164
 165                     s = FcPatternFormat (pat, format);
 166                     printf ("%s", s);
 167                     free (s);
 168                 }
 169                 else
 170                 {
 171                     FcPatternPrint (pat);
 172                 }
 173
 174                 FcPatternDestroy (pat);
 175             }
 176             else
 177             {
 178                 fprintf (stderr, "Can't query face %d of font file %s\n",
 179                          index, argv[i]);
 180                 err = 1;
 181             }
 182
 183             index++;
 184         } while (!index_set && index < count);
 185     }
 186
 187     FcFini ();
 188     return err;
 189 }