fc-scan.c revision a4e54154 
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 <stdlib.h>
40#include <string.h>
41#include <locale.h>
42
43#ifdef HAVE_UNISTD_H
44#include <unistd.h>
45#endif
46
47#ifdef ENABLE_NLS
48#include <libintl.h>
49#define _(x)		(dgettext(GETTEXT_PACKAGE, x))
50#else
51#define dgettext(d, s)	(s)
52#define _(x)		(x)
53#endif
54
55#ifndef HAVE_GETOPT
56#define HAVE_GETOPT 0
57#endif
58#ifndef HAVE_GETOPT_LONG
59#define HAVE_GETOPT_LONG 0
60#endif
61
62#if HAVE_GETOPT_LONG
63#undef  _GNU_SOURCE
64#define _GNU_SOURCE
65#include <getopt.h>
66static const struct option longopts[] = {
67    {"brief", 0, 0, 'b'},
68    {"format", 1, 0, 'f'},
69    {"sysroot", required_argument, 0, 'y'},
70    {"version", 0, 0, 'V'},
71    {"help", 0, 0, 'h'},
72    {NULL,0,0,0},
73};
74#else
75#if HAVE_GETOPT
76extern char *optarg;
77extern int optind, opterr, optopt;
78#endif
79#endif
80
81static void
82usage (char *program, int error)
83{
84    FILE *file = error ? stderr : stdout;
85#if HAVE_GETOPT_LONG
86    fprintf (file, _("usage: %s [-bcVh] [-f FORMAT] [-y SYSROOT] [--brief] [--format FORMAT] [--version] [--help] font-file...\n"),
87	     program);
88#else
89    fprintf (file, _("usage: %s [-bcVh] [-f FORMAT] [-y SYSROOT] font-file...\n"),
90	     program);
91#endif
92    fprintf (file, _("Scan font files and directories, and print resulting pattern(s)\n"));
93    fprintf (file, "\n");
94#if HAVE_GETOPT_LONG
95    fprintf (file, _("  -b, --brief            display font pattern briefly\n"));
96    fprintf (file, _("  -f, --format=FORMAT    use the given output format\n"));
97    fprintf (file, _("  -y, --sysroot=SYSROOT  prepend SYSROOT to all paths for scanning\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#else
101    fprintf (file, _("  -b         (brief)         display font pattern briefly\n"));
102    fprintf (file, _("  -f FORMAT  (format)        use the given output format\n"));
103    fprintf (file, _("  -y SYSROOT (sysroot)       prepend SYSROOT to all paths for scanning\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         brief = 0;
114    FcChar8     *format = NULL, *sysroot = NULL;
115    int		i;
116    FcFontSet   *fs;
117#if HAVE_GETOPT_LONG || HAVE_GETOPT
118    int		c;
119
120    setlocale (LC_ALL, "");
121#if HAVE_GETOPT_LONG
122    while ((c = getopt_long (argc, argv, "bf:y:Vh", longopts, NULL)) != -1)
123#else
124    while ((c = getopt (argc, argv, "bf:y:Vh")) != -1)
125#endif
126    {
127	switch (c) {
128	case 'b':
129	    brief = 1;
130	    break;
131	case 'f':
132	    format = (FcChar8 *) strdup (optarg);
133	    break;
134	case 'y':
135	    sysroot = FcStrCopy ((const FcChar8 *) optarg);
136	    break;
137	case 'V':
138	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
139		     FC_MAJOR, FC_MINOR, FC_REVISION);
140	    exit (0);
141	case 'h':
142	    usage (argv[0], 0);
143	default:
144	    usage (argv[0], 1);
145	}
146    }
147    i = optind;
148#else
149    i = 1;
150#endif
151
152    if (i == argc)
153	usage (argv[0], 1);
154
155    if (sysroot)
156    {
157	FcConfigSetSysRoot (NULL, sysroot);
158	FcStrFree (sysroot);
159    }
160    fs = FcFontSetCreate ();
161
162    for (; i < argc; i++)
163    {
164	const FcChar8 *file = (FcChar8*) argv[i];
165
166	if (!FcFileIsDir (file))
167	    FcFileScan (fs, NULL, NULL, NULL, file, FcTrue);
168	else
169	{
170	    FcStrSet *dirs = FcStrSetCreate ();
171	    FcStrList *strlist = FcStrListCreate (dirs);
172	    do
173	    {
174		FcDirScan (fs, dirs, NULL, NULL, file, FcTrue);
175	    }
176	    while ((file = FcStrListNext (strlist)));
177	    FcStrListDone (strlist);
178	    FcStrSetDestroy (dirs);
179	}
180    }
181
182    for (i = 0; i < fs->nfont; i++)
183    {
184	FcPattern *pat = fs->fonts[i];
185
186	if (brief)
187	{
188	    FcPatternDel (pat, FC_CHARSET);
189	    FcPatternDel (pat, FC_LANG);
190	}
191
192	if (format)
193	{
194	    FcChar8 *s;
195
196	    s = FcPatternFormat (pat, format);
197	    if (s)
198	    {
199		printf ("%s", s);
200		FcStrFree (s);
201	    }
202	}
203	else
204	{
205	    FcPatternPrint (pat);
206	}
207    }
208
209    FcFontSetDestroy (fs);
210
211    FcFini ();
212    return i > 0 ? 0 : 1;
213}
214