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     {"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 [-Vh] [-i index] [--index index] [--version] [--help] font-file...\n",
  73              program);
  74 #else
  75     fprintf (file, "usage: %s [-Vh] [-i index] font-file...\n",
  76              program);
  77 #endif
  78     fprintf (file, "Query font files and print resulting pattern(s)\n");
  79     fprintf (file, "\n");
  80 #if HAVE_GETOPT_LONG
  81     fprintf (file, "  -i, --index INDEX    display the INDEX face of each font file only\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, "  -i INDEX   (index)   display the INDEX face of each font file only\n");
  86     fprintf (file, "  -a         (all)     display unpruned sorted list of matches\n");
  87     fprintf (file, "  -V         (version) display font config version and exit\n");
  88     fprintf (file, "  -h         (help)    display this help and exit\n");
  89 #endif
  90     exit (error);
  91 }
  92
  93 int
  94 main (int argc, char **argv)
  95 {
  96     int         index_set = 0;
  97     int         set_index = 0;
  98     int         err = 0;
  99     int         i;
 100     FcBlanks    *blanks;
 101 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 102     int         c;
 103
 104 #if HAVE_GETOPT_LONG
 105     while ((c = getopt_long (argc, argv, "i:sVvh", longopts, NULL)) != -1)
 106 #else
 107     while ((c = getopt (argc, argv, "i:asVvh")) != -1)
 108 #endif
 109     {
 110         switch (c) {
 111         case 'i':
 112             index_set = 1;
 113             set_index = atoi (optarg);
 114             break;
 115         case 'V':
 116             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 117                      FC_MAJOR, FC_MINOR, FC_REVISION);
 118             exit (0);
 119         case 'h':
 120             usage (argv[0], 0);
 121         default:
 122             usage (argv[0], 1);
 123         }
 124     }
 125     i = optind;
 126 #else
 127     i = 1;
 128 #endif
 129
 130     if (i == argc)
 131         usage (argv[0], 1);
 132
 133     if (!FcInit ())
 134     {
 135         fprintf (stderr, "Can't init font config library\n");
 136         return 1;
 137     }
 138
 139     blanks = FcConfigGetBlanks (NULL);
 140
 141     for (; i < argc; i++)
 142     {
 143         int index;
 144         int count = 0;
 145
 146         index = set_index;
 147
 148         do {
 149             FcPattern *pat;
 150
 151             pat = FcFreeTypeQuery ((FcChar8 *) argv[i], index, blanks, &count);
 152             if (pat)
 153             {
 154                 FcPatternPrint (pat);
 155                 FcPatternDestroy (pat);
 156             }
 157             else
 158             {
 159                 fprintf (stderr, "Can't query face %d of font file %s\n",
 160                          index, argv[i]);
 161                 err = 1;
 162             }
 163
 164             index++;
 165         } while (!index_set && index < count);
 166     }
 167
 168     FcFini ();
 169     return err;
 170 }