summaryrefslogtreecommitdiff
path: root/util/hb-fc-list.c
blob: 573d11e7c5fc2679388593ab05e9738004c47ecd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/*
 * Copyright © 2002 Keith Packard
 * Copyright © 2014  Google, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the author(s) not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  The authors make no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 * Google Author(s): Behdad Esfahbod
 */

#define HAVE_GETOPT_LONG 1 /* XXX */

#include "hb-fc.h"

#include <fontconfig/fontconfig.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#else
#ifdef linux
#define HAVE_GETOPT_LONG 1
#endif
#define HAVE_GETOPT 1
#endif

#ifndef HAVE_GETOPT
#define HAVE_GETOPT 0
#endif
#ifndef HAVE_GETOPT_LONG
#define HAVE_GETOPT_LONG 0
#endif

#if HAVE_GETOPT_LONG
#undef  _GNU_SOURCE
#define _GNU_SOURCE
#include <getopt.h>
const struct option longopts[] = {
    {"verbose", 0, 0, 'v'},
    {"format", 1, 0, 'f'},
    {"quiet", 0, 0, 'q'},
    {"version", 0, 0, 'V'},
    {"help", 0, 0, 'h'},
    {NULL,0,0,0},
};
#else
#if HAVE_GETOPT
extern char *optarg;
extern int optind, opterr, optopt;
#endif
#endif

static void
usage (char *program, int error)
{
    FILE *file = error ? stderr : stdout;
#if HAVE_GETOPT_LONG
    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [--verbose] [--format=FORMAT] [--quiet] [--version] [--help] text [pattern] {element ...} \n",
	     program);
#else
    fprintf (file, "usage: %s [-vqVh] [-f FORMAT] text [pattern] {element ...} \n",
	     program);
#endif
    fprintf (file, "List fonts matching [pattern] that can render [text]\n");
    fprintf (file, "\n");
#if HAVE_GETOPT_LONG
    fprintf (file, "  -v, --verbose        display entire font pattern verbosely\n");
    fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
    fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
    fprintf (file, "  -V, --version        display font config version and exit\n");
    fprintf (file, "  -h, --help           display this help and exit\n");
#else
    fprintf (file, "  -v         (verbose) display entire font pattern verbosely\n");
    fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
    fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
    fprintf (file, "  -V         (version) display HarfBuzz version and exit\n");
    fprintf (file, "  -h         (help)    display this help and exit\n");
#endif
    exit (error);
}

int
main (int argc, char **argv)
{
    int			verbose = 0;
    int			quiet = 0;
    const FcChar8	*format = NULL;
    int			nfont = 0;
    int			i;
    FcObjectSet		*os = 0;
    FcFontSet		*fs;
    FcPattern		*pat;
    const char		*text;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
    int			c;

#if HAVE_GETOPT_LONG
    while ((c = getopt_long (argc, argv, "vf:qVh", longopts, NULL)) != -1)
#else
    while ((c = getopt (argc, argv, "vf:qVh")) != -1)
#endif
    {
	switch (c) {
	case 'v':
	    verbose = 1;
	    break;
	case 'f':
	    format = (FcChar8 *) strdup (optarg);
	    break;
	case 'q':
	    quiet = 1;
	    break;
	case 'V':
	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
		     FC_MAJOR, FC_MINOR, FC_REVISION);
	    exit (0);
	case 'h':
	    usage (argv[0], 0);
	default:
	    usage (argv[0], 1);
	}
    }
    i = optind;
#else
    i = 1;
#endif

    if (!argv[i])
	usage (argv[0], 1);

    text = argv[i];
    i++;

    if (argv[i])
    {
	pat = FcNameParse ((FcChar8 *) argv[i]);
	if (!pat)
	{
	    fputs ("Unable to parse the pattern\n", stderr);
	    return 1;
	}
	while (argv[++i])
	{
	    if (!os)
		os = FcObjectSetCreate ();
	    FcObjectSetAdd (os, argv[i]);
	}
    }
    else
	pat = FcPatternCreate ();
    if (quiet && !os)
	os = FcObjectSetCreate ();
    if (!verbose && !format && !os)
	os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_FILE, (char *) 0);
    FcObjectSetAdd (os, FC_CHARSET);
    if (!format)
        format = (const FcChar8 *) "%{=fclist}\n";
    fs = FcFontList (0, pat, os);
    if (os)
	FcObjectSetDestroy (os);
    if (pat)
	FcPatternDestroy (pat);

    if (!quiet && fs)
    {
	int	j;

	for (j = 0; j < fs->nfont; j++)
	{
	    hb_font_t *font = hb_fc_font_create (fs->fonts[j]);
	    hb_bool_t can_render = hb_fc_can_render (font, text);
	    hb_font_destroy (font);

	    if (!can_render)
		continue;

	    FcPatternDel (fs->fonts[j], FC_CHARSET);

	    if (verbose)
	    {
		FcPatternPrint (fs->fonts[j]);
	    }
	    else
	    {
	        FcChar8 *s;

		s = FcPatternFormat (fs->fonts[j], format);
		if (s)
		{
		    printf ("%s", s);
		    FcStrFree (s);
		}
	    }
	}
    }

    if (fs) {
	nfont = fs->nfont;
	FcFontSetDestroy (fs);
    }

    FcFini ();

    return quiet ? (nfont == 0 ? 1 : 0) : 0;
}