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