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>
66 static 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
76 extern char *optarg;
77 extern int optind, opterr, optopt;
78 #endif
79 #endif
80
81 static void
82 usage (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
110 int
111 main (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 }