fc-scan.c revision 953daeba 
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
43#ifndef HAVE_GETOPT
44#define HAVE_GETOPT 0
45#endif
46#ifndef HAVE_GETOPT_LONG
47#define HAVE_GETOPT_LONG 0
48#endif
49
50#if HAVE_GETOPT_LONG
51#undef  _GNU_SOURCE
52#define _GNU_SOURCE
53#include <getopt.h>
54static const struct option longopts[] = {
55    {"ignore-blanks", 0, 0, 'b'},
56    {"format", 1, 0, 'f'},
57    {"version", 0, 0, 'V'},
58    {"help", 0, 0, 'h'},
59    {NULL,0,0,0},
60};
61#else
62#if HAVE_GETOPT
63extern char *optarg;
64extern int optind, opterr, optopt;
65#endif
66#endif
67
68static void
69usage (char *program, int error)
70{
71    FILE *file = error ? stderr : stdout;
72#if HAVE_GETOPT_LONG
73    fprintf (file, "usage: %s [-Vbh] [-f FORMAT] [--ignore-blanks] [--format FORMAT] [--version] [--help] font-file...\n",
74	     program);
75#else
76    fprintf (file, "usage: %s [-Vbh] [-f FORMAT] font-file...\n",
77	     program);
78#endif
79    fprintf (file, "Scan font files and directories, and print resulting pattern(s)\n");
80    fprintf (file, "\n");
81#if HAVE_GETOPT_LONG
82    fprintf (file, "  -b, --ignore-blanks  ignore blanks to compute languages\n");
83    fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
84    fprintf (file, "  -V, --version        display font config version and exit\n");
85    fprintf (file, "  -h, --help           display this help and exit\n");
86#else
87    fprintf (file, "  -b         (ignore-blanks) ignore blanks to compute languages\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
95int
96main (int argc, char **argv)
97{
98    FcChar8     *format = NULL;
99    int		i;
100    int		ignore_blanks = 0;
101    FcFontSet   *fs;
102    FcBlanks    *blanks = NULL;
103#if HAVE_GETOPT_LONG || HAVE_GETOPT
104    int		c;
105
106#if HAVE_GETOPT_LONG
107    while ((c = getopt_long (argc, argv, "bf:Vh", longopts, NULL)) != -1)
108#else
109    while ((c = getopt (argc, argv, "bf:Vh")) != -1)
110#endif
111    {
112	switch (c) {
113	case 'b':
114	    ignore_blanks = 1;
115	    break;
116	case 'f':
117	    format = (FcChar8 *) strdup (optarg);
118	    break;
119	case 'V':
120	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
121		     FC_MAJOR, FC_MINOR, FC_REVISION);
122	    exit (0);
123	case 'h':
124	    usage (argv[0], 0);
125	default:
126	    usage (argv[0], 1);
127	}
128    }
129    i = optind;
130#else
131    i = 1;
132#endif
133
134    if (i == argc)
135	usage (argv[0], 1);
136
137    fs = FcFontSetCreate ();
138    if (!ignore_blanks)
139	blanks = FcConfigGetBlanks (NULL);
140
141    for (; i < argc; i++)
142    {
143	const FcChar8 *file = (FcChar8*) argv[i];
144
145	if (!FcFileIsDir (file))
146	    FcFileScan (fs, NULL, NULL, blanks, file, FcTrue);
147	else
148	{
149	    FcStrSet *dirs = FcStrSetCreate ();
150	    FcStrList *strlist = FcStrListCreate (dirs);
151	    do
152	    {
153		FcDirScan (fs, dirs, NULL, blanks, file, FcTrue);
154	    }
155	    while ((file = FcStrListNext (strlist)));
156	    FcStrListDone (strlist);
157	    FcStrSetDestroy (dirs);
158	}
159    }
160
161    for (i = 0; i < fs->nfont; i++)
162    {
163	FcPattern *pat;
164
165	pat = fs->fonts[i];
166
167	if (format)
168	{
169	    FcChar8 *s;
170
171	    s = FcPatternFormat (pat, format);
172	    if (s)
173	    {
174		printf ("%s", s);
175		FcStrFree (s);
176	    }
177	}
178	else
179	{
180	    FcPatternPrint (pat);
181	}
182    }
183
184    FcFontSetDestroy (fs);
185
186    FcFini ();
187    return i > 0 ? 0 : 1;
188}
189