fc-match.c revision a32e9e42 
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 <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>
60static const struct option longopts[] = {
61    {"sort", 0, 0, 's'},
62    {"all", 0, 0, 'a'},
63    {"verbose", 0, 0, 'v'},
64    {"brief", 0, 0, 'b'},
65    {"format", 1, 0, 'f'},
66    {"version", 0, 0, 'V'},
67    {"help", 0, 0, 'h'},
68    {NULL,0,0,0},
69};
70#else
71#if HAVE_GETOPT
72extern char *optarg;
73extern int optind, opterr, optopt;
74#endif
75#endif
76
77static void
78usage (char *program, int error)
79{
80    FILE *file = error ? stderr : stdout;
81#if HAVE_GETOPT_LONG
82    fprintf (file, _("usage: %s [-savbVh] [-f FORMAT] [--sort] [--all] [--verbose] [--brief] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n"),
83	     program);
84#else
85    fprintf (file, _("usage: %s [-savVh] [-f FORMAT] [pattern] {element...}\n"),
86	     program);
87#endif
88    fprintf (file, _("List best font matching [pattern]\n"));
89    fprintf (file, "\n");
90#if HAVE_GETOPT_LONG
91    fprintf (file, _("  -s, --sort           display sorted list of matches\n"));
92    fprintf (file, _("  -a, --all            display unpruned sorted list of matches\n"));
93    fprintf (file, _("  -v, --verbose        display entire font pattern verbosely\n"));
94    fprintf (file, _("  -b, --brief          display entire font pattern briefly\n"));
95    fprintf (file, _("  -f, --format=FORMAT  use the given output format\n"));
96    fprintf (file, _("  -V, --version        display font config version and exit\n"));
97    fprintf (file, _("  -h, --help           display this help and exit\n"));
98#else
99    fprintf (file, _("  -s,        (sort)    display sorted list of matches\n"));
100    fprintf (file, _("  -a         (all)     display unpruned sorted list of matches\n"));
101    fprintf (file, _("  -v         (verbose) display entire font pattern verbosely\n"));
102    fprintf (file, _("  -b         (brief)   display entire font pattern briefly\n"));
103    fprintf (file, _("  -f FORMAT  (format)  use the given output format\n"));
104    fprintf (file, _("  -V         (version) display font config version and exit\n"));
105    fprintf (file, _("  -h         (help)    display this help and exit\n"));
106#endif
107    exit (error);
108}
109
110int
111main (int argc, char **argv)
112{
113    int			verbose = 0;
114    int			brief = 0;
115    int			sort = 0, all = 0;
116    const FcChar8	*format = NULL;
117    int			i;
118    FcObjectSet		*os = 0;
119    FcFontSet		*fs;
120    FcPattern		*pat;
121    FcResult		result;
122#if HAVE_GETOPT_LONG || HAVE_GETOPT
123    int			c;
124
125    setlocale (LC_ALL, "");
126#if HAVE_GETOPT_LONG
127    while ((c = getopt_long (argc, argv, "asvbf:Vh", longopts, NULL)) != -1)
128#else
129    while ((c = getopt (argc, argv, "asvbf:Vh")) != -1)
130#endif
131    {
132	switch (c) {
133	case 'a':
134	    all = 1;
135	    break;
136	case 's':
137	    sort = 1;
138	    break;
139	case 'v':
140	    verbose = 1;
141	    break;
142	case 'b':
143	    brief = 1;
144	    break;
145	case 'f':
146	    format = (FcChar8 *) strdup (optarg);
147	    break;
148	case 'V':
149	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
150		     FC_MAJOR, FC_MINOR, FC_REVISION);
151	    exit (0);
152	case 'h':
153	    usage (argv[0], 0);
154	default:
155	    usage (argv[0], 1);
156	}
157    }
158    i = optind;
159#else
160    i = 1;
161#endif
162
163    if (argv[i])
164    {
165	pat = FcNameParse ((FcChar8 *) argv[i]);
166	if (!pat)
167	{
168	    fprintf (stderr, _("Unable to parse the pattern\n"));
169	    return 1;
170	}
171	while (argv[++i])
172	{
173	    if (!os)
174		os = FcObjectSetCreate ();
175	    FcObjectSetAdd (os, argv[i]);
176	}
177    }
178    else
179	pat = FcPatternCreate ();
180
181    if (!pat)
182	return 1;
183
184    FcConfigSubstitute (0, pat, FcMatchPattern);
185    FcDefaultSubstitute (pat);
186
187    fs = FcFontSetCreate ();
188
189    if (sort || all)
190    {
191	FcFontSet	*font_patterns;
192	int	j;
193	font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
194
195	if (!font_patterns || font_patterns->nfont == 0)
196	{
197	    fprintf (stderr, _("No fonts installed on the system\n"));
198	    return 1;
199	}
200	for (j = 0; j < font_patterns->nfont; j++)
201	{
202	    FcPattern  *font_pattern;
203
204	    font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
205	    if (font_pattern)
206		FcFontSetAdd (fs, font_pattern);
207	}
208
209	FcFontSetSortDestroy (font_patterns);
210    }
211    else
212    {
213	FcPattern   *match;
214	match = FcFontMatch (0, pat, &result);
215	if (match)
216	    FcFontSetAdd (fs, match);
217    }
218    FcPatternDestroy (pat);
219
220    if (!format)
221    {
222	if (os)
223	    format = (const FcChar8 *) "%{=unparse}\n";
224	else
225	    format = (const FcChar8 *) "%{=fcmatch}\n";
226    }
227
228    if (fs)
229    {
230	int	j;
231
232	for (j = 0; j < fs->nfont; j++)
233	{
234	    FcPattern *font;
235
236	    font = FcPatternFilter (fs->fonts[j], os);
237
238	    if (verbose || brief)
239	    {
240		if (brief)
241		{
242		    FcPatternDel (font, FC_CHARSET);
243		    FcPatternDel (font, FC_LANG);
244		}
245		FcPatternPrint (font);
246	    }
247	    else
248	    {
249	        FcChar8 *s;
250
251		s = FcPatternFormat (font, format);
252		if (s)
253		{
254		    printf ("%s", s);
255		    FcStrFree (s);
256		}
257	    }
258
259	    FcPatternDestroy (font);
260	}
261	FcFontSetDestroy (fs);
262    }
263
264    if (os)
265	FcObjectSetDestroy (os);
266
267    FcFini ();
268
269    return 0;
270}
271