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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 | ||
4984242e | 34 | #include <fontconfig/fontconfig.h> |
0a87ce71 | 35 | #include "../fc-arch/fcarch.h" |
f045376c PL |
36 | #include <stdio.h> |
37 | #include <stdlib.h> | |
4984242e | 38 | #include <string.h> |
f045376c PL |
39 | #include <unistd.h> |
40 | #include <sys/types.h> | |
41 | #include <sys/stat.h> | |
42 | #include <errno.h> | |
43 | ||
f28f090d PL |
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'}, | |
c0288648 | 57 | {"verbose", 0, 0, 'v'}, |
0a87ce71 | 58 | {"recurse", 0, 0, 'r'}, |
f28f090d PL |
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 | |
bc5e487f | 85 | write_chars (FILE *f, const FcChar8 *chars) |
f28f090d PL |
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 | |
bc5e487f | 105 | write_ulong (FILE *f, unsigned long t) |
f28f090d PL |
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 | |
bc5e487f | 130 | write_int (FILE *f, int i) |
f28f090d | 131 | { |
bc5e487f | 132 | return write_ulong (f, (unsigned long) i); |
f28f090d PL |
133 | } |
134 | ||
135 | static FcBool | |
bc5e487f | 136 | write_string (FILE *f, const FcChar8 *string) |
f28f090d PL |
137 | { |
138 | ||
139 | if (PUTC ('"', f) == EOF) | |
140 | return FcFalse; | |
bc5e487f | 141 | if (!write_chars (f, string)) |
f28f090d PL |
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 | |
e3b65ee0 | 152 | fprintf (stderr, "usage: %s [-rv] [--recurse] [--verbose] [*-%s.cache-2|directory]...\n", |
0a87ce71 | 153 | program, FC_ARCHITECTURE); |
e3b65ee0 | 154 | fprintf (stderr, " %s [-V?] [--version] [--help]\n", program); |
f28f090d | 155 | #else |
e3b65ee0 | 156 | fprintf (stderr, "usage: %s [-rvV?] [*-%s.cache-2|directory]...\n", |
0a87ce71 | 157 | program, FC_ARCHITECTURE); |
f28f090d | 158 | #endif |
0a87ce71 KP |
159 | fprintf (stderr, "Reads font information cache from:\n"); |
160 | fprintf (stderr, " 1) specified fontconfig cache file\n"); | |
161 | fprintf (stderr, " 2) related to a particular font directory\n"); | |
f28f090d PL |
162 | fprintf (stderr, "\n"); |
163 | #if HAVE_GETOPT_LONG | |
e3b65ee0 PB |
164 | fprintf (stderr, " -r, --recurse recurse into subdirectories\n"); |
165 | fprintf (stderr, " -v, --verbose be verbose\n"); | |
f28f090d PL |
166 | fprintf (stderr, " -V, --version display font config version and exit\n"); |
167 | fprintf (stderr, " -?, --help display this help and exit\n"); | |
168 | #else | |
e3b65ee0 PB |
169 | fprintf (stderr, " -r (recurse) recurse into subdirectories\n"); |
170 | fprintf (stderr, " -v (verbose) be verbose\n"); | |
f28f090d PL |
171 | fprintf (stderr, " -V (version) display font config version and exit\n"); |
172 | fprintf (stderr, " -? (help) display this help and exit\n"); | |
173 | #endif | |
174 | exit (1); | |
175 | } | |
176 | ||
f28f090d PL |
177 | /* |
178 | * return the path from the directory containing 'cache' to 'file' | |
179 | */ | |
180 | ||
181 | static const FcChar8 * | |
4984242e | 182 | file_base_name (const FcChar8 *cache, const FcChar8 *file) |
f28f090d | 183 | { |
4984242e | 184 | int cache_len = strlen ((char *) cache); |
f28f090d | 185 | |
4984242e | 186 | if (!strncmp ((char *) cache, (char *) file, cache_len) && file[cache_len] == '/') |
c0288648 | 187 | return file + cache_len + 1; |
f28f090d PL |
188 | return file; |
189 | } | |
190 | ||
4984242e KP |
191 | #define FC_FONT_FILE_DIR ((FcChar8 *) ".dir") |
192 | ||
bc5e487f | 193 | static FcBool |
4984242e | 194 | cache_print_set (FcFontSet *set, FcStrSet *dirs, const FcChar8 *base_name, FcBool verbose) |
f28f090d | 195 | { |
f28f090d PL |
196 | FcChar8 *name, *dir; |
197 | const FcChar8 *file, *base; | |
d2f45978 | 198 | int ret; |
f28f090d PL |
199 | int n; |
200 | int id; | |
0a87ce71 | 201 | int ndir = 0; |
f28f090d PL |
202 | FcStrList *list; |
203 | ||
204 | list = FcStrListCreate (dirs); | |
205 | if (!list) | |
206 | goto bail2; | |
207 | ||
208 | while ((dir = FcStrListNext (list))) | |
209 | { | |
bc5e487f KP |
210 | base = file_base_name (base_name, dir); |
211 | if (!write_string (stdout, base)) | |
f28f090d PL |
212 | goto bail3; |
213 | if (PUTC (' ', stdout) == EOF) | |
214 | goto bail3; | |
bc5e487f | 215 | if (!write_int (stdout, 0)) |
f28f090d PL |
216 | goto bail3; |
217 | if (PUTC (' ', stdout) == EOF) | |
218 | goto bail3; | |
bc5e487f | 219 | if (!write_string (stdout, FC_FONT_FILE_DIR)) |
f28f090d PL |
220 | goto bail3; |
221 | if (PUTC ('\n', stdout) == EOF) | |
222 | goto bail3; | |
0a87ce71 | 223 | ndir++; |
f28f090d PL |
224 | } |
225 | ||
226 | for (n = 0; n < set->nfont; n++) | |
227 | { | |
4984242e | 228 | FcPattern *font = set->fonts[n]; |
c0288648 | 229 | |
f28f090d PL |
230 | if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch) |
231 | goto bail3; | |
bc5e487f | 232 | base = file_base_name (base_name, file); |
f28f090d PL |
233 | if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch) |
234 | goto bail3; | |
bc5e487f | 235 | if (!write_string (stdout, base)) |
f28f090d PL |
236 | goto bail3; |
237 | if (PUTC (' ', stdout) == EOF) | |
238 | goto bail3; | |
bc5e487f | 239 | if (!write_int (stdout, id)) |
f28f090d PL |
240 | goto bail3; |
241 | if (PUTC (' ', stdout) == EOF) | |
242 | goto bail3; | |
243 | name = FcNameUnparse (font); | |
244 | if (!name) | |
245 | goto bail3; | |
bc5e487f | 246 | ret = write_string (stdout, name); |
f28f090d PL |
247 | FcStrFree (name); |
248 | if (!ret) | |
249 | goto bail3; | |
250 | if (PUTC ('\n', stdout) == EOF) | |
251 | goto bail3; | |
252 | } | |
0a87ce71 KP |
253 | if (verbose && !set->nfont && !ndir) |
254 | printf ("<empty>\n"); | |
f28f090d PL |
255 | |
256 | FcStrListDone (list); | |
257 | ||
258 | return FcTrue; | |
259 | ||
260 | bail3: | |
261 | FcStrListDone (list); | |
262 | bail2: | |
f28f090d PL |
263 | return FcFalse; |
264 | } | |
265 | ||
266 | int | |
267 | main (int argc, char **argv) | |
268 | { | |
269 | int i; | |
c0288648 KP |
270 | int ret = 0; |
271 | FcFontSet *fs; | |
272 | FcStrSet *dirs; | |
0a87ce71 KP |
273 | FcStrSet *args = NULL; |
274 | FcStrList *arglist; | |
c0288648 KP |
275 | FcCache *cache; |
276 | FcConfig *config; | |
0a87ce71 | 277 | FcChar8 *arg; |
c0288648 | 278 | int verbose = 0; |
0a87ce71 KP |
279 | int recurse = 0; |
280 | FcBool first = FcTrue; | |
f28f090d PL |
281 | #if HAVE_GETOPT_LONG || HAVE_GETOPT |
282 | int c; | |
f28f090d PL |
283 | |
284 | #if HAVE_GETOPT_LONG | |
0a87ce71 | 285 | while ((c = getopt_long (argc, argv, "Vvr?", longopts, NULL)) != -1) |
f28f090d | 286 | #else |
0a87ce71 | 287 | while ((c = getopt (argc, argv, "Vvr?")) != -1) |
f28f090d PL |
288 | #endif |
289 | { | |
290 | switch (c) { | |
291 | case 'V': | |
292 | fprintf (stderr, "fontconfig version %d.%d.%d\n", | |
293 | FC_MAJOR, FC_MINOR, FC_REVISION); | |
294 | exit (0); | |
c0288648 KP |
295 | case 'v': |
296 | verbose++; | |
297 | break; | |
0a87ce71 KP |
298 | case 'r': |
299 | recurse++; | |
300 | break; | |
f28f090d PL |
301 | default: |
302 | usage (argv[0]); | |
303 | } | |
304 | } | |
305 | i = optind; | |
306 | #else | |
307 | i = 1; | |
308 | #endif | |
309 | ||
9769b43d PL |
310 | config = FcInitLoadConfig (); |
311 | if (!config) | |
312 | { | |
313 | fprintf (stderr, "%s: Can't init font config library\n", argv[0]); | |
314 | return 1; | |
315 | } | |
316 | FcConfigSetCurrent (config); | |
317 | ||
0a87ce71 KP |
318 | args = FcStrSetCreate (); |
319 | if (!args) | |
320 | { | |
321 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
322 | return 1; | |
323 | } | |
324 | if (i < argc) | |
325 | { | |
326 | for (; i < argc; i++) | |
327 | { | |
4984242e | 328 | if (!FcStrSetAddFilename (args, (const FcChar8 *) argv[i])) |
0a87ce71 KP |
329 | { |
330 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
331 | return 1; | |
332 | } | |
333 | } | |
334 | arglist = FcStrListCreate (args); | |
335 | if (!arglist) | |
336 | { | |
337 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
338 | return 1; | |
339 | } | |
340 | } | |
341 | else | |
342 | { | |
343 | recurse++; | |
344 | arglist = FcConfigGetFontDirs (config); | |
345 | while ((arg = FcStrListNext (arglist))) | |
346 | if (!FcStrSetAdd (args, arg)) | |
347 | { | |
348 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
349 | return 1; | |
350 | } | |
351 | FcStrListDone (arglist); | |
352 | } | |
353 | arglist = FcStrListCreate (args); | |
354 | if (!arglist) | |
355 | { | |
356 | fprintf (stderr, "%s: malloc failure\n", argv[0]); | |
357 | return 1; | |
358 | } | |
8f2a8078 | 359 | |
0a87ce71 | 360 | while ((arg = FcStrListNext (arglist))) |
6059daed | 361 | { |
0a87ce71 | 362 | int j; |
0a87ce71 | 363 | FcChar8 *cache_file = NULL; |
bc5e487f | 364 | struct stat file_stat; |
c0288648 | 365 | |
0a87ce71 | 366 | if (FcFileIsDir (arg)) |
bc5e487f | 367 | cache = FcDirCacheLoad (arg, config, &cache_file); |
c0288648 | 368 | else |
bc5e487f | 369 | cache = FcDirCacheLoadFile (arg, &file_stat); |
76abb77f | 370 | if (!cache) |
c0288648 | 371 | { |
0a87ce71 | 372 | perror ((char *) arg); |
c0288648 KP |
373 | ret++; |
374 | continue; | |
375 | } | |
376 | ||
c0288648 | 377 | dirs = FcStrSetCreate (); |
4984242e KP |
378 | fs = FcCacheCopySet (cache); |
379 | for (j = 0; j < FcCacheNumSubdir (cache); j++) | |
0a87ce71 | 380 | { |
4984242e | 381 | FcStrSetAdd (dirs, FcCacheSubdir (cache, j)); |
0a87ce71 | 382 | if (recurse) |
4984242e | 383 | FcStrSetAdd (args, FcCacheSubdir (cache, j)); |
0a87ce71 | 384 | } |
c0288648 KP |
385 | |
386 | if (verbose) | |
0a87ce71 KP |
387 | { |
388 | if (!first) | |
389 | printf ("\n"); | |
390 | printf ("Directory: %s\nCache: %s\n--------\n", | |
391 | FcCacheDir(cache), cache_file ? cache_file : arg); | |
392 | first = FcFalse; | |
393 | } | |
bc5e487f | 394 | cache_print_set (fs, dirs, FcCacheDir (cache), verbose); |
f28f090d | 395 | |
c0288648 KP |
396 | FcStrSetDestroy (dirs); |
397 | ||
4984242e | 398 | FcFontSetDestroy (fs); |
bc5e487f | 399 | FcDirCacheUnload (cache); |
0a87ce71 KP |
400 | if (cache_file) |
401 | FcStrFree (cache_file); | |
c0288648 | 402 | } |
f28f090d PL |
403 | |
404 | return 0; | |
405 | } |