fc-scan.c revision a32e9e42 
1/*
2 * fontconfig/fc-scan/fc-scan.c
3 *
4 * Copyright © 2003 Keith Packard
5 * Copyright © 2008 Red Hat, Inc.
6 * Red Hat Author(s): Behdad Esfahbod
7 *
8 * Permission to use, copy, modify, distribute, and sell this software and its
9 * documentation for any purpose is hereby granted without fee, provided that
10 * the above copyright notice appear in all copies and that both that
11 * copyright notice and this permission notice appear in supporting
12 * documentation, and that the name of the author(s) not be used in
13 * advertising or publicity pertaining to distribution of the software without
14 * specific, written prior permission.  The authors make no
15 * representations about the suitability of this software for any purpose.  It
16 * is provided "as is" without express or implied warranty.
17 *
18 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
19 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
20 * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
21 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
22 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
23 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
24 * PERFORMANCE OF THIS SOFTWARE.
25 */
26
27#ifdef HAVE_CONFIG_H
28#include <config.h>
29#else
30#ifdef linux
31#define HAVE_GETOPT_LONG 1
32#endif
33#define HAVE_GETOPT 1
34#endif
35
36#include <fontconfig/fontconfig.h>
37#include <fontconfig/fcfreetype.h>
38#include <stdio.h>
39#include <unistd.h>
40#include <stdlib.h>
41#include <string.h>
42#include <locale.h>
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>
63static const struct option longopts[] = {
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 [-bVh] [-f FORMAT] [--brief] [--format FORMAT] [--version] [--help] font-file...\n"),
83	     program);
84#else
85    fprintf (file, _("usage: %s [-bVh] [-f FORMAT] font-file...\n"),
86	     program);
87#endif
88    fprintf (file, _("Scan font files and directories, and print resulting pattern(s)\n"));
89    fprintf (file, "\n");
90#if HAVE_GETOPT_LONG
91    fprintf (file, _("  -b, --brief          display font pattern briefly\n"));
92    fprintf (file, _("  -f, --format=FORMAT  use the given output format\n"));
93    fprintf (file, _("  -V, --version        display font config version and exit\n"));
94    fprintf (file, _("  -h, --help           display this help and exit\n"));
95#else
96    fprintf (file, _("  -b         (brief)         display font pattern briefly\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
104int
105main (int argc, char **argv)
106{
107    int         brief = 0;
108    FcChar8     *format = NULL;
109    int		i;
110    FcFontSet   *fs;
111#if HAVE_GETOPT_LONG || HAVE_GETOPT
112    int		c;
113
114    setlocale (LC_ALL, "");
115#if HAVE_GETOPT_LONG
116    while ((c = getopt_long (argc, argv, "bf:Vh", longopts, NULL)) != -1)
117#else
118    while ((c = getopt (argc, argv, "bf:Vh")) != -1)
119#endif
120    {
121	switch (c) {
122	case 'b':
123	    brief = 1;
124	    break;
125	case 'f':
126	    format = (FcChar8 *) strdup (optarg);
127	    break;
128	case 'V':
129	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
130		     FC_MAJOR, FC_MINOR, FC_REVISION);
131	    exit (0);
132	case 'h':
133	    usage (argv[0], 0);
134	default:
135	    usage (argv[0], 1);
136	}
137    }
138    i = optind;
139#else
140    i = 1;
141#endif
142
143    if (i == argc)
144	usage (argv[0], 1);
145
146    fs = FcFontSetCreate ();
147
148    for (; i < argc; i++)
149    {
150	const FcChar8 *file = (FcChar8*) argv[i];
151
152	if (!FcFileIsDir (file))
153	    FcFileScan (fs, NULL, NULL, NULL, file, FcTrue);
154	else
155	{
156	    FcStrSet *dirs = FcStrSetCreate ();
157	    FcStrList *strlist = FcStrListCreate (dirs);
158	    do
159	    {
160		FcDirScan (fs, dirs, NULL, NULL, file, FcTrue);
161	    }
162	    while ((file = FcStrListNext (strlist)));
163	    FcStrListDone (strlist);
164	    FcStrSetDestroy (dirs);
165	}
166    }
167
168    for (i = 0; i < fs->nfont; i++)
169    {
170	FcPattern *pat = fs->fonts[i];
171
172	if (brief)
173	{
174	    FcPatternDel (pat, FC_CHARSET);
175	    FcPatternDel (pat, FC_LANG);
176	}
177
178	if (format)
179	{
180	    FcChar8 *s;
181
182	    s = FcPatternFormat (pat, format);
183	    if (s)
184	    {
185		printf ("%s", s);
186		FcStrFree (s);
187	    }
188	}
189	else
190	{
191	    FcPatternPrint (pat);
192	}
193    }
194
195    FcFontSetDestroy (fs);
196
197    FcFini ();
198    return i > 0 ? 0 : 1;
199}
200