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
40 #ifndef HAVE_GETOPT
41 #define HAVE_GETOPT 0
42 #endif
43 #ifndef HAVE_GETOPT_LONG
44 #define HAVE_GETOPT_LONG 0
45 #endif
46
47 #if HAVE_GETOPT_LONG
48 #undef _GNU_SOURCE
49 #define _GNU_SOURCE
50 #include <getopt.h>
51 static const struct option longopts[] = {
52 {"config", 0, 0, 'c'},
53 {"default", 0, 0, 'd'},
54 {"format", 1, 0, 'f'},
55 {"version", 0, 0, 'V'},
56 {"help", 0, 0, 'h'},
57 {NULL,0,0,0},
58 };
59 #else
60 #if HAVE_GETOPT
61 extern char *optarg;
62 extern int optind, opterr, optopt;
63 #endif
64 #endif
65
66 static void
usage(char * program,int error)67 usage (char *program, int error)
68 {
69 FILE *file = error ? stderr : stdout;
70 #if HAVE_GETOPT_LONG
71 fprintf (file, "usage: %s [-cdVh] [-f FORMAT] [--config] [--default] [--verbose] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n",
72 program);
73 #else
74 fprintf (file, "usage: %s [-cdVh] [-f FORMAT] [pattern] {element...}\n",
75 program);
76 #endif
77 fprintf (file, "List best font matching [pattern]\n");
78 fprintf (file, "\n");
79 #if HAVE_GETOPT_LONG
80 fprintf (file, " -c, --config perform config substitution on pattern\n");
81 fprintf (file, " -d, -default perform default substitution on pattern\n");
82 fprintf (file, " -f, --format=FORMAT use the given output format\n");
83 fprintf (file, " -V, --version display font config version and exit\n");
84 fprintf (file, " -h, --help display this help and exit\n");
85 #else
86 fprintf (file, " -c, (config) perform config substitution on pattern\n");
87 fprintf (file, " -d, (default) perform default substitution on pattern\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
main(int argc,char ** argv)96 main (int argc, char **argv)
97 {
98 int do_config = 0, do_default = 0;
99 FcChar8 *format = NULL;
100 int i;
101 FcObjectSet *os = 0;
102 FcPattern *pat;
103 #if HAVE_GETOPT_LONG || HAVE_GETOPT
104 int c;
105
106 #if HAVE_GETOPT_LONG
107 while ((c = getopt_long (argc, argv, "cdf:Vh", longopts, NULL)) != -1)
108 #else
109 while ((c = getopt (argc, argv, "cdf:Vh")) != -1)
110 #endif
111 {
112 switch (c) {
113 case 'c':
114 do_config = 1;
115 break;
116 case 'd':
117 do_default = 1;
118 break;
119 case 'f':
120 format = (FcChar8 *) strdup (optarg);
121 break;
122 case 'V':
123 fprintf (stderr, "fontconfig version %d.%d.%d\n",
124 FC_MAJOR, FC_MINOR, FC_REVISION);
125 exit (0);
126 case 'h':
127 usage (argv[0], 0);
128 default:
129 usage (argv[0], 1);
130 }
131 }
132 i = optind;
133 #else
134 i = 1;
135 #endif
136
137 if (argv[i])
138 {
139 pat = FcNameParse ((FcChar8 *) argv[i]);
140 if (!pat)
141 {
142 fputs ("Unable to parse the pattern\n", stderr);
143 return 1;
144 }
145 while (argv[++i])
146 {
147 if (!os)
148 os = FcObjectSetCreate ();
149 FcObjectSetAdd (os, argv[i]);
150 }
151 }
152 else
153 pat = FcPatternCreate ();
154
155 if (!pat)
156 return 1;
157
158 if (do_config)
159 FcConfigSubstitute (0, pat, FcMatchPattern);
160 if (do_default)
161 FcDefaultSubstitute (pat);
162
163 if (os)
164 {
165 FcPattern *new;
166 new = FcPatternFilter (pat, os);
167 FcPatternDestroy (pat);
168 pat = new;
169 }
170
171 if (format)
172 {
173 FcChar8 *s;
174
175 s = FcPatternFormat (pat, format);
176 if (s)
177 {
178 printf ("%s", s);
179 FcStrFree (s);
180 }
181 }
182 else
183 {
184 FcPatternPrint (pat);
185 }
186
187 FcPatternDestroy (pat);
188
189 if (os)
190 FcObjectSetDestroy (os);
191
192 FcFini ();
193
194 return 0;
195 }
196