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 <unistd.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <locale.h>
43
44 #ifndef HAVE_GETOPT
45 #define HAVE_GETOPT 0
46 #endif
47 #ifndef HAVE_GETOPT_LONG
48 #define HAVE_GETOPT_LONG 0
49 #endif
50
51 #if HAVE_GETOPT_LONG
52 #undef _GNU_SOURCE
53 #define _GNU_SOURCE
54 #include <getopt.h>
55 static const struct option longopts[] = {
56 {"index", 1, 0, 'i'},
57 {"lang", 1, 0, 'l'},
58 {"verbose", 0, 0, 'v'},
59 {"version", 0, 0, 'V'},
60 {"help", 0, 0, 'h'},
61 {NULL,0,0,0},
62 };
63 #else
64 #if HAVE_GETOPT
65 extern char *optarg;
66 extern int optind, opterr, optopt;
67 #endif
68 #endif
69
70 static void
usage(char * program,int error)71 usage (char *program, int error)
72 {
73 FILE *file = error ? stderr : stdout;
74 #if HAVE_GETOPT_LONG
75 fprintf (file, "usage: %s [-Vhv] [-i index] [-l LANG] [--index index] [--lang LANG] [--verbose] [--version] [--help] font-file...\n",
76 program);
77 #else
78 fprintf (file, "usage: %s [-Vhv] [-i index] [-l LANG] font-file...\n",
79 program);
80 #endif
81 fprintf (file, "Validate font files and print result\n");
82 fprintf (file, "\n");
83 #if HAVE_GETOPT_LONG
84 fprintf (file, " -i, --index INDEX display the INDEX face of each font file only\n");
85 fprintf (file, " -l, --lang=LANG set LANG instead of current locale\n");
86 fprintf (file, " -v, --verbose show more detailed information\n");
87 fprintf (file, " -V, --version display font config version and exit\n");
88 fprintf (file, " -h, --help display this help and exit\n");
89 #else
90 fprintf (file, " -i INDEX (index) display the INDEX face of each font file only\n");
91 fprintf (file, " -l LANG (lang) set LANG instead of current locale\n");
92 fprintf (file, " -v (verbose) show more detailed information\n");
93 fprintf (file, " -V (version) display font config version and exit\n");
94 fprintf (file, " -h (help) display this help and exit\n");
95 #endif
96 exit (error);
97 }
98
99 int
main(int argc,char ** argv)100 main (int argc, char **argv)
101 {
102 int index_set = 0;
103 int set_index = 0;
104 FcChar8 *lang = NULL;
105 const FcCharSet *fcs_lang = NULL;
106 int err = 0;
107 int i;
108 FT_Library ftlib;
109 FcBool verbose = FcFalse;
110 #if HAVE_GETOPT_LONG || HAVE_GETOPT
111 int c;
112
113 setlocale (LC_ALL, "");
114
115 #if HAVE_GETOPT_LONG
116 while ((c = getopt_long (argc, argv, "i:l:mVhv", longopts, NULL)) != -1)
117 #else
118 while ((c = getopt (argc, argv, "i:l:mVhv")) != -1)
119 #endif
120 {
121 switch (c) {
122 case 'i':
123 index_set = 1;
124 set_index = atoi (optarg);
125 break;
126 case 'l':
127 lang = (FcChar8 *) FcLangNormalize ((const FcChar8 *) optarg);
128 break;
129 case 'v':
130 verbose = FcTrue;
131 break;
132 case 'V':
133 fprintf (stderr, "fontconfig version %d.%d.%d\n",
134 FC_MAJOR, FC_MINOR, FC_REVISION);
135 exit (0);
136 case 'h':
137 usage (argv[0], 0);
138 default:
139 usage (argv[0], 1);
140 }
141 }
142 i = optind;
143 #else
144 i = 1;
145 verbose = FcTrue;
146 #endif
147
148 if (i == argc)
149 usage (argv[0], 1);
150
151 if (!lang)
152 lang = FcLangNormalize ((const FcChar8 *) setlocale (LC_CTYPE, NULL));
153
154 if (lang)
155 fcs_lang = FcLangGetCharSet (lang);
156
157 if (FT_Init_FreeType (&ftlib))
158 {
159 fprintf (stderr, "Can't initalize FreeType library\n");
160 return 1;
161 }
162
163 for (; i < argc; i++)
164 {
165 int index;
166
167 index = set_index;
168
169 do {
170 FT_Face face;
171 FcCharSet *fcs, *fcs_sub;
172
173 if (FT_New_Face (ftlib, argv[i], index, &face))
174 {
175 if (!index_set && index > 0)
176 break;
177 fprintf (stderr, "Unable to open %s\n", argv[i]);
178 err = 1;
179 }
180 else
181 {
182 FcChar32 count;
183
184 fcs = FcFreeTypeCharSet (face, NULL);
185 fcs_sub = FcCharSetSubtract (fcs_lang, fcs);
186
187 count = FcCharSetCount (fcs_sub);
188 if (count > 0)
189 {
190 FcChar32 ucs4, pos, map[FC_CHARSET_MAP_SIZE];
191
192 printf ("%s:%d Missing %d glyph(s) to satisfy the coverage for %s language\n",
193 argv[i], index, count, lang);
194
195 if (verbose)
196 {
197 for (ucs4 = FcCharSetFirstPage (fcs_sub, map, &pos);
198 ucs4 != FC_CHARSET_DONE;
199 ucs4 = FcCharSetNextPage (fcs_sub, map, &pos))
200 {
201 int j;
202
203 for (j = 0; j < FC_CHARSET_MAP_SIZE; j++)
204 {
205 FcChar32 bits = map[j];
206 FcChar32 base = ucs4 + j * 32;
207 int b = 0;
208
209 while (bits)
210 {
211 if (bits & 1)
212 printf (" 0x%04x\n", base + b);
213 bits >>= 1;
214 b++;
215 }
216 }
217 }
218 }
219 }
220 else
221 {
222 printf ("%s:%d Satisfy the coverage for %s language\n", argv[i], index, lang);
223 }
224
225 FcCharSetDestroy (fcs);
226 FcCharSetDestroy (fcs_sub);
227
228 FT_Done_Face (face);
229 }
230
231 index++;
232 } while (index_set == 0);
233 }
234
235 FT_Done_FreeType (ftlib);
236
237 if (lang)
238 FcStrFree (lang);
239
240 FcFini ();
241 return err;
242 }
243