1 /*
2  * fontconfig/fc-pattern/fc-pattern.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 the author(s) not be used in
11  * advertising or publicity pertaining to distribution of the software without
12  * specific, written prior permission.  The authors make 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  * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18  * EVENT SHALL THE AUTHOR(S) 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 #include <locale.h>
40 
41 #ifdef ENABLE_NLS
42 #include <libintl.h>
43 #define _(x)		(dgettext(GETTEXT_PACKAGE, x))
44 #else
45 #define dgettext(d, s)	(s)
46 #define _(x)		(x)
47 #endif
48 
49 #ifndef HAVE_GETOPT
50 #define HAVE_GETOPT 0
51 #endif
52 #ifndef HAVE_GETOPT_LONG
53 #define HAVE_GETOPT_LONG 0
54 #endif
55 
56 #if HAVE_GETOPT_LONG
57 #undef  _GNU_SOURCE
58 #define _GNU_SOURCE
59 #include <getopt.h>
60 static const struct option longopts[] = {
61     {"config", 0, 0, 'c'},
62     {"default", 0, 0, 'd'},
63     {"format", 1, 0, 'f'},
64     {"version", 0, 0, 'V'},
65     {"help", 0, 0, 'h'},
66     {NULL,0,0,0},
67 };
68 #else
69 #if HAVE_GETOPT
70 extern char *optarg;
71 extern int optind, opterr, optopt;
72 #endif
73 #endif
74 
75 static void
usage(char * program,int error)76 usage (char *program, int error)
77 {
78     FILE *file = error ? stderr : stdout;
79 #if HAVE_GETOPT_LONG
80     fprintf (file, _("usage: %s [-cdVh] [-f FORMAT] [--config] [--default] [--verbose] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n"),
81 	     program);
82 #else
83     fprintf (file, _("usage: %s [-cdVh] [-f FORMAT] [pattern] {element...}\n"),
84 	     program);
85 #endif
86     fprintf (file, _("List best font matching [pattern]\n"));
87     fprintf (file, "\n");
88 #if HAVE_GETOPT_LONG
89     fprintf (file, _("  -c, --config         perform config substitution on pattern\n"));
90     fprintf (file, _("  -d, --default        perform default substitution on pattern\n"));
91     fprintf (file, _("  -f, --format=FORMAT  use the given output format\n"));
92     fprintf (file, _("  -V, --version        display font config version and exit\n"));
93     fprintf (file, _("  -h, --help           display this help and exit\n"));
94 #else
95     fprintf (file, _("  -c,        (config)  perform config substitution on pattern\n"));
96     fprintf (file, _("  -d,        (default) perform default substitution on pattern\n"));
97     fprintf (file, _("  -f FORMAT  (format)  use the given output format\n"));
98     fprintf (file, _("  -V         (version) display font config version and exit\n"));
99     fprintf (file, _("  -h         (help)    display this help and exit\n"));
100 #endif
101     exit (error);
102 }
103 
104 int
main(int argc,char ** argv)105 main (int argc, char **argv)
106 {
107     int		do_config = 0, do_default = 0;
108     FcChar8     *format = NULL;
109     int		i;
110     FcObjectSet *os = 0;
111     FcPattern   *pat;
112 #if HAVE_GETOPT_LONG || HAVE_GETOPT
113     int		c;
114 
115     setlocale (LC_ALL, "");
116 #if HAVE_GETOPT_LONG
117     while ((c = getopt_long (argc, argv, "cdf:Vh", longopts, NULL)) != -1)
118 #else
119     while ((c = getopt (argc, argv, "cdf:Vh")) != -1)
120 #endif
121     {
122 	switch (c) {
123 	case 'c':
124 	    do_config = 1;
125 	    break;
126 	case 'd':
127 	    do_default = 1;
128 	    break;
129 	case 'f':
130 	    format = (FcChar8 *) strdup (optarg);
131 	    break;
132 	case 'V':
133 	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
134 		     FC_MAJOR, FC_MINOR, FC_REVISION);
135 	    exit (0);
136 	case 'h':
137 	    usage (argv[0], 0);
138 	default:
139 	    usage (argv[0], 1);
140 	}
141     }
142     i = optind;
143 #else
144     i = 1;
145 #endif
146 
147     if (argv[i])
148     {
149 	pat = FcNameParse ((FcChar8 *) argv[i]);
150 	if (!pat)
151 	{
152 	    fprintf (stderr, _("Unable to parse the pattern\n"));
153 	    return 1;
154 	}
155 	while (argv[++i])
156 	{
157 	    if (!os)
158 		os = FcObjectSetCreate ();
159 	    FcObjectSetAdd (os, argv[i]);
160 	}
161     }
162     else
163 	pat = FcPatternCreate ();
164 
165     if (!pat)
166 	return 1;
167 
168     if (do_config)
169       FcConfigSubstitute (0, pat, FcMatchPattern);
170     if (do_default)
171       FcDefaultSubstitute (pat);
172 
173     if (os)
174     {
175       FcPattern *new;
176       new = FcPatternFilter (pat, os);
177       FcPatternDestroy (pat);
178       pat = new;
179     }
180 
181     if (format)
182     {
183 	FcChar8 *s;
184 
185 	s = FcPatternFormat (pat, format);
186 	if (s)
187 	{
188 	    printf ("%s", s);
189 	    FcStrFree (s);
190 	}
191     }
192     else
193     {
194 	FcPatternPrint (pat);
195     }
196 
197     FcPatternDestroy (pat);
198 
199     if (os)
200 	FcObjectSetDestroy (os);
201 
202     FcFini ();
203 
204     return 0;
205 }
206