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f28f090d PL |
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 | ||
f28f090d PL |
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 | ||
d8ab9e6c | 34 | #include "../src/fccache.c" |
0a87ce71 | 35 | #include "../fc-arch/fcarch.h" |
f045376c PL |
36 | #include <stdio.h> |
37 | #include <stdlib.h> | |
38 | #include <unistd.h> | |
39 | #include <sys/types.h> | |
40 | #include <sys/stat.h> | |
41 | #include <errno.h> | |
42 | ||
f28f090d PL |
43 | #ifndef HAVE_GETOPT |
44 | #define HAVE_GETOPT 0 | |
45 | #endif | |
46 | #ifndef HAVE_GETOPT_LONG | |
47 | #define HAVE_GETOPT_LONG 0 | |
48 | #endif | |
49 | ||
50 | #if HAVE_GETOPT_LONG | |
51 | #undef _GNU_SOURCE | |
52 | #define _GNU_SOURCE | |
53 | #include <getopt.h> | |
54 | const struct option longopts[] = { | |
55 | {"version", 0, 0, 'V'}, | |
c0288648 | 56 | {"verbose", 0, 0, 'v'}, |
0a87ce71 | 57 | {"recurse", 0, 0, 'r'}, |
f28f090d PL |
58 | {"help", 0, 0, '?'}, |
59 | {NULL,0,0,0}, | |
60 | }; | |
61 | #else | |
62 | #if HAVE_GETOPT | |
63 | extern char *optarg; | |
64 | extern int optind, opterr, optopt; | |
65 | #endif | |
66 | #endif | |
67 | ||
68 | /* | |
69 | * POSIX has broken stdio so that getc must do thread-safe locking, | |
70 | * this is a serious performance problem for applications doing large | |
71 | * amounts of IO with getc (as is done here). If available, use | |
72 | * the getc_unlocked varient instead. | |
73 | */ | |
74 | ||
75 | #if defined(getc_unlocked) || defined(_IO_getc_unlocked) | |
76 | #define GETC(f) getc_unlocked(f) | |
77 | #define PUTC(c,f) putc_unlocked(c,f) | |
78 | #else | |
79 | #define GETC(f) getc(f) | |
80 | #define PUTC(c,f) putc(c,f) | |
81 | #endif | |
82 | ||
83 | static FcBool | |
84 | FcCacheWriteChars (FILE *f, const FcChar8 *chars) | |
85 | { | |
86 | FcChar8 c; | |
87 | while ((c = *chars++)) | |
88 | { | |
89 | switch (c) { | |
90 | case '"': | |
91 | case '\\': | |
92 | if (PUTC ('\\', f) == EOF) | |
93 | return FcFalse; | |
94 | /* fall through */ | |
95 | default: | |
96 | if (PUTC (c, f) == EOF) | |
97 | return FcFalse; | |
98 | } | |
99 | } | |
100 | return FcTrue; | |
101 | } | |
102 | ||
103 | static FcBool | |
104 | FcCacheWriteUlong (FILE *f, unsigned long t) | |
105 | { | |
106 | int pow; | |
107 | unsigned long temp, digit; | |
108 | ||
109 | temp = t; | |
110 | pow = 1; | |
111 | while (temp >= 10) | |
112 | { | |
113 | temp /= 10; | |
114 | pow *= 10; | |
115 | } | |
116 | temp = t; | |
117 | while (pow) | |
118 | { | |
119 | digit = temp / pow; | |
120 | if (PUTC ((char) digit + '0', f) == EOF) | |
121 | return FcFalse; | |
122 | temp = temp - pow * digit; | |
123 | pow = pow / 10; | |
124 | } | |
125 | return FcTrue; | |
126 | } | |
127 | ||
128 | static FcBool | |
129 | FcCacheWriteInt (FILE *f, int i) | |
130 | { | |
131 | return FcCacheWriteUlong (f, (unsigned long) i); | |
132 | } | |
133 | ||
134 | static FcBool | |
135 | FcCacheWriteStringOld (FILE *f, const FcChar8 *string) | |
136 | { | |
137 | ||
138 | if (PUTC ('"', f) == EOF) | |
139 | return FcFalse; | |
140 | if (!FcCacheWriteChars (f, string)) | |
141 | return FcFalse; | |
142 | if (PUTC ('"', f) == EOF) | |
143 | return FcFalse; | |
144 | return FcTrue; | |
145 | } | |
146 | ||
147 | static void | |
148 | usage (char *program) | |
149 | { | |
150 | #if HAVE_GETOPT_LONG | |
0a87ce71 KP |
151 | fprintf (stderr, "usage: %s [-V?] [--version] [--help] {*-%s.cache-2|directory}...\n", |
152 | program, FC_ARCHITECTURE); | |
f28f090d | 153 | #else |
0a87ce71 KP |
154 | fprintf (stderr, "usage: %s [-fsvV?] {*-%s.cache-2|directory}...\n", |
155 | program, FC_ARCHITECTURE); | |
f28f090d | 156 | #endif |
0a87ce71 KP |
157 | fprintf (stderr, "Reads font information cache from:\n"); |
158 | fprintf (stderr, " 1) specified fontconfig cache file\n"); | |
159 | fprintf (stderr, " 2) related to a particular font directory\n"); | |
f28f090d PL |
160 | fprintf (stderr, "\n"); |
161 | #if HAVE_GETOPT_LONG | |
162 | fprintf (stderr, " -V, --version display font config version and exit\n"); | |
163 | fprintf (stderr, " -?, --help display this help and exit\n"); | |
164 | #else | |
165 | fprintf (stderr, " -V (version) display font config version and exit\n"); | |
166 | fprintf (stderr, " -? (help) display this help and exit\n"); | |
167 | #endif | |
168 | exit (1); | |
169 | } | |
170 | ||
c0288648 KP |
171 | static int |
172 | FcCacheFileOpen (char *cache_file, off_t *size) | |
f28f090d PL |
173 | { |
174 | int fd; | |
c0288648 | 175 | struct stat file_stat; |
f28f090d | 176 | |
c0288648 KP |
177 | fd = open(cache_file, O_RDONLY | O_BINARY); |
178 | if (fd < 0) | |
179 | return -1; | |
f28f090d | 180 | |
c0288648 KP |
181 | if (fstat (fd, &file_stat) < 0) { |
182 | close (fd); | |
183 | return -1; | |
184 | } | |
185 | *size = file_stat.st_size; | |
186 | return fd; | |
f28f090d PL |
187 | } |
188 | ||
189 | /* | |
190 | * return the path from the directory containing 'cache' to 'file' | |
191 | */ | |
192 | ||
193 | static const FcChar8 * | |
194 | FcFileBaseName (const char *cache, const FcChar8 *file) | |
195 | { | |
196 | const FcChar8 *cache_slash; | |
c0288648 | 197 | int cache_len = strlen (cache); |
f28f090d | 198 | |
c0288648 KP |
199 | if (!strncmp (cache, file, cache_len) && file[cache_len] == '/') |
200 | return file + cache_len + 1; | |
f28f090d PL |
201 | return file; |
202 | } | |
203 | ||
204 | FcBool | |
0a87ce71 | 205 | FcCachePrintSet (FcFontSet *set, FcStrSet *dirs, char *base_name, FcBool verbose) |
f28f090d PL |
206 | { |
207 | FcPattern *font; | |
208 | FcChar8 *name, *dir; | |
209 | const FcChar8 *file, *base; | |
d2f45978 | 210 | int ret; |
f28f090d PL |
211 | int n; |
212 | int id; | |
0a87ce71 | 213 | int ndir = 0; |
f28f090d PL |
214 | FcStrList *list; |
215 | ||
216 | list = FcStrListCreate (dirs); | |
217 | if (!list) | |
218 | goto bail2; | |
219 | ||
220 | while ((dir = FcStrListNext (list))) | |
221 | { | |
c60ec7cc | 222 | base = FcFileBaseName (base_name, dir); |
f28f090d PL |
223 | if (!FcCacheWriteStringOld (stdout, base)) |
224 | goto bail3; | |
225 | if (PUTC (' ', stdout) == EOF) | |
226 | goto bail3; | |
227 | if (!FcCacheWriteInt (stdout, 0)) | |
228 | goto bail3; | |
229 | if (PUTC (' ', stdout) == EOF) | |
230 | goto bail3; | |
231 | if (!FcCacheWriteStringOld (stdout, FC_FONT_FILE_DIR)) | |
232 | goto bail3; | |
233 | if (PUTC ('\n', stdout) == EOF) | |
234 | goto bail3; | |
0a87ce71 | 235 | ndir++; |
f28f090d PL |
236 | } |
237 | ||
238 | for (n = 0; n < set->nfont; n++) | |
239 | { | |
c0288648 KP |
240 | FcPattern **fonts = FcFontSetFonts (set); |
241 | FcPattern *encoded_font = fonts[n]; | |
242 | FcPattern *font = FcEncodedOffsetToPtr (set, encoded_font, FcPattern); | |
243 | ||
f28f090d PL |
244 | if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch) |
245 | goto bail3; | |
c60ec7cc | 246 | base = FcFileBaseName (base_name, file); |
f28f090d PL |
247 | if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch) |
248 | goto bail3; | |
f28f090d PL |
249 | if (!FcCacheWriteStringOld (stdout, base)) |
250 | goto bail3; | |
251 | if (PUTC (' ', stdout) == EOF) | |
252 | goto bail3; | |
253 | if (!FcCacheWriteInt (stdout, id)) | |
254 | goto bail3; | |
255 | if (PUTC (' ', stdout) == EOF) | |
256 | goto bail3; | |
257 | name = FcNameUnparse (font); | |
258 | if (!name) | |
259 | goto bail3; | |
260 | ret = FcCacheWriteStringOld (stdout, name); | |
261 | FcStrFree (name); | |
262 | if (!ret) | |
263 | goto bail3; | |
264 | if (PUTC ('\n', stdout) == EOF) | |
265 | goto bail3; | |
266 | } | |
0a87ce71 KP |
267 | if (verbose && !set->nfont && !ndir) |
268 | printf ("<empty>\n"); | |
f28f090d PL |
269 | |
270 | FcStrListDone (list); | |
271 | ||
272 | return FcTrue; | |
273 | ||
274 | bail3: | |
275 | FcStrListDone (list); | |
276 | bail2: | |
f28f090d PL |
277 | return FcFalse; |
278 | } | |
279 | ||
76abb77f KP |
280 | FcCache * |
281 | FcCacheFileMap (const FcChar8 *file) | |
282 | { | |
283 | FcCache *cache; | |
284 | int fd; | |
285 | struct stat file_stat; | |
286 | ||
287 | fd = open (file, O_RDONLY | O_BINARY); | |
288 | if (fd < 0) | |
289 | return NULL; | |
290 | if (fstat (fd, &file_stat) < 0) { | |
291 | close (fd); | |
292 | return NULL; | |
293 | } | |
0a87ce71 | 294 | if (!FcDirCacheLoad (fd, file_stat.st_size, &cache)) { |
76abb77f | 295 | close (fd); |
0a87ce71 | 296 | return NULL; |
76abb77f KP |
297 | } |
298 | close (fd); | |
0a87ce71 | 299 | return cache; |
76abb77f KP |
300 | } |
301 | ||
f28f090d PL |
302 | int |
303 | main (int argc, char **argv) | |
304 | { | |
305 | int i; | |
c0288648 KP |
306 | int ret = 0; |
307 | FcFontSet *fs; | |
308 | FcStrSet *dirs; | |
0a87ce71 KP |
309 | FcStrSet *args = NULL; |
310 | FcStrList *arglist; | |
c0288648 KP |
311 | FcCache *cache; |
312 | FcConfig *config; | |
0a87ce71 | 313 | FcChar8 *arg; |
c0288648 | 314 | int verbose = 0; |
0a87ce71 KP |
315 | int recurse = 0; |
316 | FcBool first = FcTrue; | |
f28f090d PL |
317 | #if HAVE_GETOPT_LONG || HAVE_GETOPT |
318 | int c; | |
f28f090d PL |
319 | |
320 | #if HAVE_GETOPT_LONG | |
0a87ce71 | 321 | while ((c = getopt_long (argc, argv, "Vvr?", longopts, NULL)) != -1) |
f28f090d | 322 | #else |
0a87ce71 | 323 | while ((c = getopt (argc, argv, "Vvr?")) != -1) |
f28f090d PL |
324 | #endif |
325 | { | |
326 | switch (c) { | |
327 | case 'V': | |
328 | fprintf (stderr, "fontconfig version %d.%d.%d\n", | |
329 | FC_MAJOR, FC_MINOR, FC_REVISION); | |
330 | exit (0); | |
c0288648 KP |
331 | case 'v': |
332 | verbose++; | |
333 | break; | |
0a87ce71 KP |
334 | case 'r': |
335 | recurse++; | |
336 | break; | |
f28f090d PL |
337 | default: |
338 | usage (argv[0]); | |
339 | } | |
340 | } | |
341 | i = optind; | |
342 | #else | |
343 | i = 1; | |
344 | #endif | |
345 | ||
9769b43d PL |
346 | config = FcInitLoadConfig (); |
347 | if (!config) | |
348 | { | |
349 | fprintf (stderr, "%s: Can't init font config library\n", argv[0]); | |
350 | return 1; | |
351 | } | |
352 | FcConfigSetCurrent (config); | |
353 | ||
0a87ce71 KP |
354 | args = FcStrSetCreate (); |
355 | if (!args) | |
356 | { | |
357 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
358 | return 1; | |
359 | } | |
360 | if (i < argc) | |
361 | { | |
362 | for (; i < argc; i++) | |
363 | { | |
364 | if (!FcStrSetAdd (args, argv[i])) | |
365 | { | |
366 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
367 | return 1; | |
368 | } | |
369 | } | |
370 | arglist = FcStrListCreate (args); | |
371 | if (!arglist) | |
372 | { | |
373 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
374 | return 1; | |
375 | } | |
376 | } | |
377 | else | |
378 | { | |
379 | recurse++; | |
380 | arglist = FcConfigGetFontDirs (config); | |
381 | while ((arg = FcStrListNext (arglist))) | |
382 | if (!FcStrSetAdd (args, arg)) | |
383 | { | |
384 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
385 | return 1; | |
386 | } | |
387 | FcStrListDone (arglist); | |
388 | } | |
389 | arglist = FcStrListCreate (args); | |
390 | if (!arglist) | |
391 | { | |
392 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
393 | return 1; | |
394 | } | |
8f2a8078 | 395 | |
0a87ce71 | 396 | while ((arg = FcStrListNext (arglist))) |
6059daed | 397 | { |
0a87ce71 KP |
398 | int j; |
399 | off_t size; | |
400 | intptr_t *cache_dirs; | |
401 | FcChar8 *cache_file = NULL; | |
c0288648 | 402 | |
0a87ce71 KP |
403 | if (FcFileIsDir (arg)) |
404 | cache = FcDirCacheMap (arg, config, &cache_file); | |
c0288648 | 405 | else |
0a87ce71 | 406 | cache = FcCacheFileMap (arg); |
76abb77f | 407 | if (!cache) |
c0288648 | 408 | { |
0a87ce71 | 409 | perror ((char *) arg); |
c0288648 KP |
410 | ret++; |
411 | continue; | |
412 | } | |
413 | ||
c0288648 KP |
414 | dirs = FcStrSetCreate (); |
415 | fs = FcCacheSet (cache); | |
416 | cache_dirs = FcCacheDirs (cache); | |
417 | for (j = 0; j < cache->dirs_count; j++) | |
0a87ce71 | 418 | { |
c0288648 KP |
419 | FcStrSetAdd (dirs, FcOffsetToPtr (cache_dirs, |
420 | cache_dirs[j], | |
421 | FcChar8)); | |
0a87ce71 KP |
422 | if (recurse) |
423 | FcStrSetAdd (args, FcOffsetToPtr (cache_dirs, | |
424 | cache_dirs[j], | |
425 | FcChar8)); | |
426 | } | |
c0288648 KP |
427 | |
428 | if (verbose) | |
0a87ce71 KP |
429 | { |
430 | if (!first) | |
431 | printf ("\n"); | |
432 | printf ("Directory: %s\nCache: %s\n--------\n", | |
433 | FcCacheDir(cache), cache_file ? cache_file : arg); | |
434 | first = FcFalse; | |
435 | } | |
436 | FcCachePrintSet (fs, dirs, FcCacheDir (cache), verbose); | |
f28f090d | 437 | |
c0288648 KP |
438 | FcStrSetDestroy (dirs); |
439 | ||
440 | FcDirCacheUnmap (cache); | |
0a87ce71 KP |
441 | if (cache_file) |
442 | FcStrFree (cache_file); | |
c0288648 | 443 | } |
f28f090d PL |
444 | |
445 | return 0; | |
446 | } |