1 /*
2 * fontconfig/fc-match/fc-match.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 <stdlib.h>
37 #include <string.h>
38 #include <locale.h>
39
40 #ifdef HAVE_UNISTD_H
41 #include <unistd.h>
42 #endif
43
44 #ifdef ENABLE_NLS
45 #include <libintl.h>
46 #define _(x) (dgettext(GETTEXT_PACKAGE, x))
47 #else
48 #define dgettext(d, s) (s)
49 #define _(x) (x)
50 #endif
51
52 #ifndef HAVE_GETOPT
53 #define HAVE_GETOPT 0
54 #endif
55 #ifndef HAVE_GETOPT_LONG
56 #define HAVE_GETOPT_LONG 0
57 #endif
58
59 #if HAVE_GETOPT_LONG
60 #undef _GNU_SOURCE
61 #define _GNU_SOURCE
62 #include <getopt.h>
63 static const struct option longopts[] = {
64 {"sort", 0, 0, 's'},
65 {"all", 0, 0, 'a'},
66 {"verbose", 0, 0, 'v'},
67 {"brief", 0, 0, 'b'},
68 {"format", 1, 0, 'f'},
69 {"version", 0, 0, 'V'},
70 {"help", 0, 0, 'h'},
71 {NULL,0,0,0},
72 };
73 #else
74 #if HAVE_GETOPT
75 extern char *optarg;
76 extern int optind, opterr, optopt;
77 #endif
78 #endif
79
80 static void
81 usage (char *program, int error)
82 {
83 FILE *file = error ? stderr : stdout;
84 #if HAVE_GETOPT_LONG
85 fprintf (file, _("usage: %s [-savbVh] [-f FORMAT] [--sort] [--all] [--verbose] [--brief] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n"),
86 program);
87 #else
88 fprintf (file, _("usage: %s [-savVh] [-f FORMAT] [pattern] {element...}\n"),
89 program);
90 #endif
91 fprintf (file, _("List best font matching [pattern]\n"));
92 fprintf (file, "\n");
93 #if HAVE_GETOPT_LONG
94 fprintf (file, _(" -s, --sort display sorted list of matches\n"));
95 fprintf (file, _(" -a, --all display unpruned sorted list of matches\n"));
96 fprintf (file, _(" -v, --verbose display entire font pattern verbosely\n"));
97 fprintf (file, _(" -b, --brief display entire font pattern briefly\n"));
98 fprintf (file, _(" -f, --format=FORMAT use the given output format\n"));
99 fprintf (file, _(" -V, --version display font config version and exit\n"));
100 fprintf (file, _(" -h, --help display this help and exit\n"));
101 #else
102 fprintf (file, _(" -s, (sort) display sorted list of matches\n"));
103 fprintf (file, _(" -a (all) display unpruned sorted list of matches\n"));
104 fprintf (file, _(" -v (verbose) display entire font pattern verbosely\n"));
105 fprintf (file, _(" -b (brief) display entire font pattern briefly\n"));
106 fprintf (file, _(" -f FORMAT (format) use the given output format\n"));
107 fprintf (file, _(" -V (version) display font config version and exit\n"));
108 fprintf (file, _(" -h (help) display this help and exit\n"));
109 #endif
110 exit (error);
111 }
112
113 int
114 main (int argc, char **argv)
115 {
116 int verbose = 0;
117 int brief = 0;
118 int sort = 0, all = 0;
119 const FcChar8 *format = NULL;
120 const FcChar8 *format_optarg = NULL;
121 int i;
122 FcObjectSet *os = 0;
123 FcFontSet *fs;
124 FcPattern *pat;
125 FcResult result;
126 #if HAVE_GETOPT_LONG || HAVE_GETOPT
127 int c;
128
129 setlocale (LC_ALL, "");
130 #if HAVE_GETOPT_LONG
131 while ((c = getopt_long (argc, argv, "asvbf:Vh", longopts, NULL)) != -1)
132 #else
133 while ((c = getopt (argc, argv, "asvbf:Vh")) != -1)
134 #endif
135 {
136 switch (c) {
137 case 'a':
138 all = 1;
139 break;
140 case 's':
141 sort = 1;
142 break;
143 case 'v':
144 verbose = 1;
145 break;
146 case 'b':
147 brief = 1;
148 break;
149 case 'f':
150 format = format_optarg = (FcChar8 *) strdup (optarg);
151 break;
152 case 'V':
153 fprintf (stderr, "fontconfig version %d.%d.%d\n",
154 FC_MAJOR, FC_MINOR, FC_REVISION);
155 exit (0);
156 case 'h':
157 usage (argv[0], 0);
158 default:
159 usage (argv[0], 1);
160 }
161 }
162 i = optind;
163 #else
164 i = 1;
165 #endif
166
167 if (argv[i])
168 {
169 pat = FcNameParse ((FcChar8 *) argv[i]);
170 if (!pat)
171 {
172 fprintf (stderr, _("Unable to parse the pattern\n"));
173 return 1;
174 }
175 while (argv[++i])
176 {
177 if (!os)
178 os = FcObjectSetCreate ();
179 FcObjectSetAdd (os, argv[i]);
180 }
181 }
182 else
183 pat = FcPatternCreate ();
184
185 if (!pat)
186 return 1;
187
188 FcConfigSubstitute (0, pat, FcMatchPattern);
189 FcDefaultSubstitute (pat);
190
191 fs = FcFontSetCreate ();
192
193 if (sort || all)
194 {
195 FcFontSet *font_patterns;
196 int j;
197 font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
198
199 if (!font_patterns || font_patterns->nfont == 0)
200 {
201 fprintf (stderr, _("No fonts installed on the system\n"));
202 return 1;
203 }
204 for (j = 0; j < font_patterns->nfont; j++)
205 {
206 FcPattern *font_pattern;
207
208 font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
209 if (font_pattern)
210 FcFontSetAdd (fs, font_pattern);
211 }
212
213 FcFontSetSortDestroy (font_patterns);
214 }
215 else
216 {
217 FcPattern *match;
218 match = FcFontMatch (0, pat, &result);
219 if (match)
220 FcFontSetAdd (fs, match);
221 }
222 FcPatternDestroy (pat);
223
224 if (!format)
225 {
226 if (os)
227 format = (const FcChar8 *) "%{=unparse}\n";
228 else
229 format = (const FcChar8 *) "%{=fcmatch}\n";
230 }
231
232 if (fs)
233 {
234 int j;
235
236 for (j = 0; j < fs->nfont; j++)
237 {
238 FcPattern *font;
239
240 font = FcPatternFilter (fs->fonts[j], os);
241
242 if (verbose || brief)
243 {
244 if (brief)
245 {
246 FcPatternDel (font, FC_CHARSET);
247 FcPatternDel (font, FC_LANG);
248 }
249 FcPatternPrint (font);
250 }
251 else
252 {
253 FcChar8 *s;
254
255 s = FcPatternFormat (font, format);
256 if (s)
257 {
258 printf ("%s", s);
259 FcStrFree (s);
260 }
261 }
262
263 FcPatternDestroy (font);
264 }
265 FcFontSetDestroy (fs);
266 }
267
268 if (os)
269 FcObjectSetDestroy (os);
270
271 FcFini ();
272
273 if (format_optarg) {
274 free ((void*)format_optarg);
275 format_optarg = NULL;
276 }
277
278 return 0;
279 }