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1 | /* | |
2 | * $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $ | |
3 | * | |
4 | * Copyright © 2002 Keith Packard | |
5 | * | |
6 | * Permission to use, copy, modify, distribute, and sell this software and its | |
7 | * documentation for any purpose is hereby granted without fee, provided that | |
8 | * the above copyright notice appear in all copies and that both that | |
9 | * copyright notice and this permission notice appear in supporting | |
10 | * documentation, and that the name of Keith Packard not be used in | |
11 | * advertising or publicity pertaining to distribution of the software without | |
12 | * specific, written prior permission. Keith Packard makes no | |
13 | * representations about the suitability of this software for any purpose. It | |
14 | * is provided "as is" without express or implied warranty. | |
15 | * | |
16 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
18 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
22 | * PERFORMANCE OF THIS SOFTWARE. | |
23 | */ | |
24 | ||
25 | #ifdef HAVE_CONFIG_H | |
26 | #include <config.h> | |
27 | #else | |
28 | #ifdef linux | |
29 | #define HAVE_GETOPT_LONG 1 | |
30 | #endif | |
31 | #define HAVE_GETOPT 1 | |
32 | #endif | |
33 | ||
34 | #include <fontconfig/fontconfig.h> | |
35 | #include "../fc-arch/fcarch.h" | |
36 | #include <stdio.h> | |
37 | #include <stdlib.h> | |
38 | #include <string.h> | |
39 | #include <unistd.h> | |
40 | #include <sys/types.h> | |
41 | #include <sys/stat.h> | |
42 | #include <errno.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 | const struct option longopts[] = { | |
56 | {"version", 0, 0, 'V'}, | |
57 | {"verbose", 0, 0, 'v'}, | |
58 | {"recurse", 0, 0, 'r'}, | |
59 | {"help", 0, 0, '?'}, | |
60 | {NULL,0,0,0}, | |
61 | }; | |
62 | #else | |
63 | #if HAVE_GETOPT | |
64 | extern char *optarg; | |
65 | extern int optind, opterr, optopt; | |
66 | #endif | |
67 | #endif | |
68 | ||
69 | /* | |
70 | * POSIX has broken stdio so that getc must do thread-safe locking, | |
71 | * this is a serious performance problem for applications doing large | |
72 | * amounts of IO with getc (as is done here). If available, use | |
73 | * the getc_unlocked varient instead. | |
74 | */ | |
75 | ||
76 | #if defined(getc_unlocked) || defined(_IO_getc_unlocked) | |
77 | #define GETC(f) getc_unlocked(f) | |
78 | #define PUTC(c,f) putc_unlocked(c,f) | |
79 | #else | |
80 | #define GETC(f) getc(f) | |
81 | #define PUTC(c,f) putc(c,f) | |
82 | #endif | |
83 | ||
84 | static FcBool | |
85 | write_chars (FILE *f, const FcChar8 *chars) | |
86 | { | |
87 | FcChar8 c; | |
88 | while ((c = *chars++)) | |
89 | { | |
90 | switch (c) { | |
91 | case '"': | |
92 | case '\\': | |
93 | if (PUTC ('\\', f) == EOF) | |
94 | return FcFalse; | |
95 | /* fall through */ | |
96 | default: | |
97 | if (PUTC (c, f) == EOF) | |
98 | return FcFalse; | |
99 | } | |
100 | } | |
101 | return FcTrue; | |
102 | } | |
103 | ||
104 | static FcBool | |
105 | write_ulong (FILE *f, unsigned long t) | |
106 | { | |
107 | int pow; | |
108 | unsigned long temp, digit; | |
109 | ||
110 | temp = t; | |
111 | pow = 1; | |
112 | while (temp >= 10) | |
113 | { | |
114 | temp /= 10; | |
115 | pow *= 10; | |
116 | } | |
117 | temp = t; | |
118 | while (pow) | |
119 | { | |
120 | digit = temp / pow; | |
121 | if (PUTC ((char) digit + '0', f) == EOF) | |
122 | return FcFalse; | |
123 | temp = temp - pow * digit; | |
124 | pow = pow / 10; | |
125 | } | |
126 | return FcTrue; | |
127 | } | |
128 | ||
129 | static FcBool | |
130 | write_int (FILE *f, int i) | |
131 | { | |
132 | return write_ulong (f, (unsigned long) i); | |
133 | } | |
134 | ||
135 | static FcBool | |
136 | write_string (FILE *f, const FcChar8 *string) | |
137 | { | |
138 | ||
139 | if (PUTC ('"', f) == EOF) | |
140 | return FcFalse; | |
141 | if (!write_chars (f, string)) | |
142 | return FcFalse; | |
143 | if (PUTC ('"', f) == EOF) | |
144 | return FcFalse; | |
145 | return FcTrue; | |
146 | } | |
147 | ||
148 | static void | |
149 | usage (char *program) | |
150 | { | |
151 | #if HAVE_GETOPT_LONG | |
152 | fprintf (stderr, "usage: %s [-V?] [--version] [--help] {*-%s.cache-2|directory}...\n", | |
153 | program, FC_ARCHITECTURE); | |
154 | #else | |
155 | fprintf (stderr, "usage: %s [-fsvV?] {*-%s.cache-2|directory}...\n", | |
156 | program, FC_ARCHITECTURE); | |
157 | #endif | |
158 | fprintf (stderr, "Reads font information cache from:\n"); | |
159 | fprintf (stderr, " 1) specified fontconfig cache file\n"); | |
160 | fprintf (stderr, " 2) related to a particular font directory\n"); | |
161 | fprintf (stderr, "\n"); | |
162 | #if HAVE_GETOPT_LONG | |
163 | fprintf (stderr, " -V, --version display font config version and exit\n"); | |
164 | fprintf (stderr, " -?, --help display this help and exit\n"); | |
165 | #else | |
166 | fprintf (stderr, " -V (version) display font config version and exit\n"); | |
167 | fprintf (stderr, " -? (help) display this help and exit\n"); | |
168 | #endif | |
169 | exit (1); | |
170 | } | |
171 | ||
172 | /* | |
173 | * return the path from the directory containing 'cache' to 'file' | |
174 | */ | |
175 | ||
176 | static const FcChar8 * | |
177 | file_base_name (const FcChar8 *cache, const FcChar8 *file) | |
178 | { | |
179 | int cache_len = strlen ((char *) cache); | |
180 | ||
181 | if (!strncmp ((char *) cache, (char *) file, cache_len) && file[cache_len] == '/') | |
182 | return file + cache_len + 1; | |
183 | return file; | |
184 | } | |
185 | ||
186 | #define FC_FONT_FILE_DIR ((FcChar8 *) ".dir") | |
187 | ||
188 | static FcBool | |
189 | cache_print_set (FcFontSet *set, FcStrSet *dirs, const FcChar8 *base_name, FcBool verbose) | |
190 | { | |
191 | FcChar8 *name, *dir; | |
192 | const FcChar8 *file, *base; | |
193 | int ret; | |
194 | int n; | |
195 | int id; | |
196 | int ndir = 0; | |
197 | FcStrList *list; | |
198 | ||
199 | list = FcStrListCreate (dirs); | |
200 | if (!list) | |
201 | goto bail2; | |
202 | ||
203 | while ((dir = FcStrListNext (list))) | |
204 | { | |
205 | base = file_base_name (base_name, dir); | |
206 | if (!write_string (stdout, base)) | |
207 | goto bail3; | |
208 | if (PUTC (' ', stdout) == EOF) | |
209 | goto bail3; | |
210 | if (!write_int (stdout, 0)) | |
211 | goto bail3; | |
212 | if (PUTC (' ', stdout) == EOF) | |
213 | goto bail3; | |
214 | if (!write_string (stdout, FC_FONT_FILE_DIR)) | |
215 | goto bail3; | |
216 | if (PUTC ('\n', stdout) == EOF) | |
217 | goto bail3; | |
218 | ndir++; | |
219 | } | |
220 | ||
221 | for (n = 0; n < set->nfont; n++) | |
222 | { | |
223 | FcPattern *font = set->fonts[n]; | |
224 | ||
225 | if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch) | |
226 | goto bail3; | |
227 | base = file_base_name (base_name, file); | |
228 | if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch) | |
229 | goto bail3; | |
230 | if (!write_string (stdout, base)) | |
231 | goto bail3; | |
232 | if (PUTC (' ', stdout) == EOF) | |
233 | goto bail3; | |
234 | if (!write_int (stdout, id)) | |
235 | goto bail3; | |
236 | if (PUTC (' ', stdout) == EOF) | |
237 | goto bail3; | |
238 | name = FcNameUnparse (font); | |
239 | if (!name) | |
240 | goto bail3; | |
241 | ret = write_string (stdout, name); | |
242 | FcStrFree (name); | |
243 | if (!ret) | |
244 | goto bail3; | |
245 | if (PUTC ('\n', stdout) == EOF) | |
246 | goto bail3; | |
247 | } | |
248 | if (verbose && !set->nfont && !ndir) | |
249 | printf ("<empty>\n"); | |
250 | ||
251 | FcStrListDone (list); | |
252 | ||
253 | return FcTrue; | |
254 | ||
255 | bail3: | |
256 | FcStrListDone (list); | |
257 | bail2: | |
258 | return FcFalse; | |
259 | } | |
260 | ||
261 | int | |
262 | main (int argc, char **argv) | |
263 | { | |
264 | int i; | |
265 | int ret = 0; | |
266 | FcFontSet *fs; | |
267 | FcStrSet *dirs; | |
268 | FcStrSet *args = NULL; | |
269 | FcStrList *arglist; | |
270 | FcCache *cache; | |
271 | FcConfig *config; | |
272 | FcChar8 *arg; | |
273 | int verbose = 0; | |
274 | int recurse = 0; | |
275 | FcBool first = FcTrue; | |
276 | #if HAVE_GETOPT_LONG || HAVE_GETOPT | |
277 | int c; | |
278 | ||
279 | #if HAVE_GETOPT_LONG | |
280 | while ((c = getopt_long (argc, argv, "Vvr?", longopts, NULL)) != -1) | |
281 | #else | |
282 | while ((c = getopt (argc, argv, "Vvr?")) != -1) | |
283 | #endif | |
284 | { | |
285 | switch (c) { | |
286 | case 'V': | |
287 | fprintf (stderr, "fontconfig version %d.%d.%d\n", | |
288 | FC_MAJOR, FC_MINOR, FC_REVISION); | |
289 | exit (0); | |
290 | case 'v': | |
291 | verbose++; | |
292 | break; | |
293 | case 'r': | |
294 | recurse++; | |
295 | break; | |
296 | default: | |
297 | usage (argv[0]); | |
298 | } | |
299 | } | |
300 | i = optind; | |
301 | #else | |
302 | i = 1; | |
303 | #endif | |
304 | ||
305 | config = FcInitLoadConfig (); | |
306 | if (!config) | |
307 | { | |
308 | fprintf (stderr, "%s: Can't init font config library\n", argv[0]); | |
309 | return 1; | |
310 | } | |
311 | FcConfigSetCurrent (config); | |
312 | ||
313 | args = FcStrSetCreate (); | |
314 | if (!args) | |
315 | { | |
316 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
317 | return 1; | |
318 | } | |
319 | if (i < argc) | |
320 | { | |
321 | for (; i < argc; i++) | |
322 | { | |
323 | if (!FcStrSetAddFilename (args, (const FcChar8 *) argv[i])) | |
324 | { | |
325 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
326 | return 1; | |
327 | } | |
328 | } | |
329 | arglist = FcStrListCreate (args); | |
330 | if (!arglist) | |
331 | { | |
332 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
333 | return 1; | |
334 | } | |
335 | } | |
336 | else | |
337 | { | |
338 | recurse++; | |
339 | arglist = FcConfigGetFontDirs (config); | |
340 | while ((arg = FcStrListNext (arglist))) | |
341 | if (!FcStrSetAdd (args, arg)) | |
342 | { | |
343 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
344 | return 1; | |
345 | } | |
346 | FcStrListDone (arglist); | |
347 | } | |
348 | arglist = FcStrListCreate (args); | |
349 | if (!arglist) | |
350 | { | |
351 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
352 | return 1; | |
353 | } | |
354 | ||
355 | while ((arg = FcStrListNext (arglist))) | |
356 | { | |
357 | int j; | |
358 | FcChar8 *cache_file = NULL; | |
359 | struct stat file_stat; | |
360 | ||
361 | if (FcFileIsDir (arg)) | |
362 | cache = FcDirCacheLoad (arg, config, &cache_file); | |
363 | else | |
364 | cache = FcDirCacheLoadFile (arg, &file_stat); | |
365 | if (!cache) | |
366 | { | |
367 | perror ((char *) arg); | |
368 | ret++; | |
369 | continue; | |
370 | } | |
371 | ||
372 | dirs = FcStrSetCreate (); | |
373 | fs = FcCacheCopySet (cache); | |
374 | for (j = 0; j < FcCacheNumSubdir (cache); j++) | |
375 | { | |
376 | FcStrSetAdd (dirs, FcCacheSubdir (cache, j)); | |
377 | if (recurse) | |
378 | FcStrSetAdd (args, FcCacheSubdir (cache, j)); | |
379 | } | |
380 | ||
381 | if (verbose) | |
382 | { | |
383 | if (!first) | |
384 | printf ("\n"); | |
385 | printf ("Directory: %s\nCache: %s\n--------\n", | |
386 | FcCacheDir(cache), cache_file ? cache_file : arg); | |
387 | first = FcFalse; | |
388 | } | |
389 | cache_print_set (fs, dirs, FcCacheDir (cache), verbose); | |
390 | ||
391 | FcStrSetDestroy (dirs); | |
392 | ||
393 | FcFontSetDestroy (fs); | |
394 | FcDirCacheUnload (cache); | |
395 | if (cache_file) | |
396 | FcStrFree (cache_file); | |
397 | } | |
398 | ||
399 | return 0; | |
400 | } |