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 the author(s) not be used in
  13  * advertising or publicity pertaining to distribution of the software without
  14  * specific, written prior permission.  The authors make 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  * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  19  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  20  * EVENT SHALL THE AUTHOR(S) 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, "  -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         index_set = 0;
  99     int         set_index = 0;
 100     FcChar8     *format = NULL;
 101     int         err = 0;
 102     int         i;
 103     FcBlanks    *blanks;
 104 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 105     int         c;
 106
 107 #if HAVE_GETOPT_LONG
 108     while ((c = getopt_long (argc, argv, "i:f:Vh", longopts, NULL)) != -1)
 109 #else
 110     while ((c = getopt (argc, argv, "i:f:Vh")) != -1)
 111 #endif
 112     {
 113         switch (c) {
 114         case 'i':
 115             index_set = 1;
 116             set_index = atoi (optarg);
 117             break;
 118         case 'f':
 119             format = (FcChar8 *) strdup (optarg);
 120             break;
 121         case 'V':
 122             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 123                      FC_MAJOR, FC_MINOR, FC_REVISION);
 124             exit (0);
 125         case 'h':
 126             usage (argv[0], 0);
 127         default:
 128             usage (argv[0], 1);
 129         }
 130     }
 131     i = optind;
 132 #else
 133     i = 1;
 134 #endif
 135
 136     if (i == argc)
 137         usage (argv[0], 1);
 138
 139     if (!FcInit ())
 140     {
 141         fprintf (stderr, "Can't init font config library\n");
 142         return 1;
 143     }
 144
 145     blanks = FcConfigGetBlanks (NULL);
 146
 147     for (; i < argc; i++)
 148     {
 149         int index;
 150         int count = 0;
 151
 152         index = set_index;
 153
 154         do {
 155             FcPattern *pat;
 156
 157             pat = FcFreeTypeQuery ((FcChar8 *) argv[i], index, blanks, &count);
 158             if (pat)
 159             {
 160                 if (format)
 161                 {
 162                     FcChar8 *s;
 163
 164                     s = FcPatternFormat (pat, format);
 165                     if (s)
 166                     {
 167                         printf ("%s", s);
 168                         free (s);
 169                     }
 170                 }
 171                 else
 172                 {
 173                     FcPatternPrint (pat);
 174                 }
 175
 176                 FcPatternDestroy (pat);
 177             }
 178             else
 179             {
 180                 fprintf (stderr, "Can't query face %d of font file %s\n",
 181                          index, argv[i]);
 182                 err = 1;
 183             }
 184
 185             index++;
 186         } while (!index_set && index < count);
 187     }
 188
 189     FcFini ();
 190     return err;
 191 }