fc-validate.c revision a4e54154 
1/*
2 * fontconfig/fc-validate/fc-validate.c
3 *
4 * Copyright © 2003 Keith Packard
5 * Copyright © 2012 Red Hat, Inc.
6 * Red Hat Author(s): Akira TAGOH
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    {"index", 1, 0, 'i'},
68    {"lang", 1, 0, 'l'},
69    {"verbose", 0, 0, 'v'},
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 [-Vhv] [-i index] [-l LANG] [--index index] [--lang LANG] [--verbose] [--version] [--help] font-file...\n"),
87	     program);
88#else
89    fprintf (file, _("usage: %s [-Vhv] [-i index] [-l LANG] font-file...\n"),
90	     program);
91#endif
92    fprintf (file, _("Validate font files and print result\n"));
93    fprintf (file, "\n");
94#if HAVE_GETOPT_LONG
95    fprintf (file, _("  -i, --index INDEX    display the INDEX face of each font file only\n"));
96    fprintf (file, _("  -l, --lang=LANG      set LANG instead of current locale\n"));
97    fprintf (file, _("  -v, --verbose        show more detailed information\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, _("  -i INDEX   (index)        display the INDEX face of each font file only\n"));
102    fprintf (file, _("  -l LANG    (lang)         set LANG instead of current locale\n"));
103    fprintf (file, _("  -v         (verbose)      show more detailed information\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		index_set = 0;
114    int		set_index = 0;
115    FcChar8     *lang = NULL;
116    const FcCharSet *fcs_lang = NULL;
117    int		err = 0;
118    int		i;
119    FT_Library  ftlib;
120    FcBool      verbose = FcFalse;
121#if HAVE_GETOPT_LONG || HAVE_GETOPT
122    int		c;
123
124    setlocale (LC_ALL, "");
125
126#if HAVE_GETOPT_LONG
127    while ((c = getopt_long (argc, argv, "i:l:mVhv", longopts, NULL)) != -1)
128#else
129    while ((c = getopt (argc, argv, "i:l:mVhv")) != -1)
130#endif
131    {
132	switch (c) {
133	case 'i':
134	    index_set = 1;
135	    set_index = atoi (optarg);
136	    break;
137	case 'l':
138	    lang = (FcChar8 *) FcLangNormalize ((const FcChar8 *) optarg);
139	    break;
140	case 'v':
141	    verbose = FcTrue;
142	    break;
143	case 'V':
144	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
145		     FC_MAJOR, FC_MINOR, FC_REVISION);
146	    exit (0);
147	case 'h':
148	    usage (argv[0], 0);
149	default:
150	    usage (argv[0], 1);
151	}
152    }
153    i = optind;
154#else
155    i = 1;
156    verbose = FcTrue;
157#endif
158
159    if (i == argc)
160	usage (argv[0], 1);
161
162    if (!lang)
163	lang = FcLangNormalize ((const FcChar8 *) setlocale (LC_CTYPE, NULL));
164
165    if (lang)
166	fcs_lang = FcLangGetCharSet (lang);
167
168    if (FT_Init_FreeType (&ftlib))
169    {
170	fprintf (stderr, _("Can't initialize FreeType library\n"));
171	return 1;
172    }
173
174    for (; i < argc; i++)
175    {
176	int index;
177
178	index = set_index;
179
180	do {
181	    FT_Face face;
182	    FcCharSet *fcs, *fcs_sub;
183
184	    if (FT_New_Face (ftlib, argv[i], index, &face))
185	    {
186		if (!index_set && index > 0)
187		    break;
188		fprintf (stderr, _("Unable to open %s\n"), argv[i]);
189		err = 1;
190	    }
191	    else
192	    {
193		FcChar32 count;
194
195		fcs = FcFreeTypeCharSet (face, NULL);
196		fcs_sub = FcCharSetSubtract (fcs_lang, fcs);
197
198		count = FcCharSetCount (fcs_sub);
199		if (count > 0)
200		{
201		    FcChar32 ucs4, pos, map[FC_CHARSET_MAP_SIZE];
202
203		    err = 1;
204		    printf (_("%s:%d Missing %d glyph(s) to satisfy the coverage for %s language\n"),
205			    argv[i], index, count, lang);
206
207		    if (verbose)
208		    {
209			for (ucs4 = FcCharSetFirstPage (fcs_sub, map, &pos);
210			     ucs4 != FC_CHARSET_DONE;
211			     ucs4 = FcCharSetNextPage (fcs_sub, map, &pos))
212			{
213			    int j;
214
215			    for (j = 0; j < FC_CHARSET_MAP_SIZE; j++)
216			    {
217				FcChar32 bits = map[j];
218				FcChar32 base = ucs4 + j * 32;
219				int b = 0;
220
221				while (bits)
222				{
223				    if (bits & 1)
224					printf ("  0x%04x\n", base + b);
225				    bits >>= 1;
226				    b++;
227				}
228			    }
229			}
230		    }
231		}
232		else
233		{
234		    printf (_("%s:%d Satisfy the coverage for %s language\n"), argv[i], index, lang);
235		}
236
237		FcCharSetDestroy (fcs);
238		FcCharSetDestroy (fcs_sub);
239
240		FT_Done_Face (face);
241	    }
242
243	    index++;
244	} while (index_set == 0);
245    }
246
247    FT_Done_FreeType (ftlib);
248
249    if (lang)
250	FcStrFree (lang);
251
252    FcFini ();
253    return err;
254}
255