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, '?'},
  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 usage (char *program)
  68 {
  69 #if HAVE_GETOPT_LONG
  70     fprintf (stderr, "usage: %s [-V?] [-i index] [--index index] [--version] [--help] font-file...\n",
  71              program);
  72 #else
  73     fprintf (stderr, "usage: %s [-V?] [-i index] font-file...\n",
  74              program);
  75 #endif
  76     fprintf (stderr, "Query font files and print resulting pattern(s)\n");
  77     fprintf (stderr, "\n");
  78 #if HAVE_GETOPT_LONG
  79     fprintf (stderr, "  -i, --index INDEX    display the INDEX face of each font file only\n");
  80     fprintf (stderr, "  -V, --version        display font config version and exit\n");
  81     fprintf (stderr, "  -?, --help           display this help and exit\n");
  82 #else
  83     fprintf (stderr, "  -i INDEX   (index)   display the INDEX face of each font file only\n");
  84     fprintf (stderr, "  -a         (all)     display unpruned sorted list of matches\n");
  85     fprintf (stderr, "  -V         (version) display font config version and exit\n");
  86     fprintf (stderr, "  -?         (help)    display this help and exit\n");
  87 #endif
  88     exit (1);
  89 }
  90
  91 int
  92 main (int argc, char **argv)
  93 {
  94     int         index_set = 0;
  95     int         set_index = 0;
  96     int         err = 0;
  97     int         i;
  98     FcBlanks    *blanks;
  99 #if HAVE_GETOPT_LONG || HAVE_GETOPT
 100     int         c;
 101
 102 #if HAVE_GETOPT_LONG
 103     while ((c = getopt_long (argc, argv, "i:sVv?", longopts, NULL)) != -1)
 104 #else
 105     while ((c = getopt (argc, argv, "i:asVv?")) != -1)
 106 #endif
 107     {
 108         switch (c) {
 109         case 'i':
 110             index_set = 1;
 111             set_index = atoi (optarg);
 112             break;
 113         case 'V':
 114             fprintf (stderr, "fontconfig version %d.%d.%d\n",
 115                      FC_MAJOR, FC_MINOR, FC_REVISION);
 116             exit (0);
 117         default:
 118             usage (argv[0]);
 119         }
 120     }
 121     i = optind;
 122 #else
 123     i = 1;
 124 #endif
 125
 126     if (i == argc)
 127         usage (argv[0]);
 128
 129     if (!FcInit ())
 130     {
 131         fprintf (stderr, "Can't init font config library\n");
 132         return 1;
 133     }
 134
 135     blanks = FcConfigGetBlanks (NULL);
 136
 137     for (; i < argc; i++)
 138     {
 139         int index;
 140         int count = 0;
 141
 142         index = set_index;
 143
 144         do {
 145             FcPattern *pat;
 146
 147             pat = FcFreeTypeQuery ((FcChar8 *) argv[i], index, blanks, &count);
 148             if (pat)
 149             {
 150                 FcPatternPrint (pat);
 151                 FcPatternDestroy (pat);
 152             }
 153             else
 154             {
 155                 fprintf (stderr, "Can't query face %d of font file %s\n",
 156                          index, argv[i]);
 157                 err = 1;
 158             }
 159
 160             index++;
 161         } while (!index_set && index < count);
 162     }
 163
 164     FcFini ();
 165     return err;
 166 }