]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * $RCSId: xc/lib/fontconfig/src/fcdir.c,v 1.9 2002/08/31 22:17:32 keithp Exp $ | |
3 | * | |
4 | * Copyright © 2000 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 | #include "fcint.h" | |
26 | #include <dirent.h> | |
27 | ||
28 | FcBool | |
29 | FcFileIsDir (const FcChar8 *file) | |
30 | { | |
31 | struct stat statb; | |
32 | ||
33 | if (stat ((const char *) file, &statb) != 0) | |
34 | return FcFalse; | |
35 | return S_ISDIR(statb.st_mode); | |
36 | } | |
37 | ||
38 | static FcBool | |
39 | FcFileScanFontConfig (FcFontSet *set, | |
40 | FcBlanks *blanks, | |
41 | const FcChar8 *file, | |
42 | FcConfig *config) | |
43 | { | |
44 | FcPattern *font; | |
45 | FcBool ret = FcTrue; | |
46 | int id; | |
47 | int count = 0; | |
48 | ||
49 | id = 0; | |
50 | do | |
51 | { | |
52 | font = 0; | |
53 | /* | |
54 | * Nothing in the cache, scan the file | |
55 | */ | |
56 | if (FcDebug () & FC_DBG_SCAN) | |
57 | { | |
58 | printf ("\tScanning file %s...", file); | |
59 | fflush (stdout); | |
60 | } | |
61 | font = FcFreeTypeQuery (file, id, blanks, &count); | |
62 | if (FcDebug () & FC_DBG_SCAN) | |
63 | printf ("done\n"); | |
64 | /* | |
65 | * Add the font | |
66 | */ | |
67 | if (font && (!config || FcConfigAcceptFont (config, font))) | |
68 | { | |
69 | if (!FcFontSetAdd (set, font)) | |
70 | { | |
71 | FcPatternDestroy (font); | |
72 | font = 0; | |
73 | ret = FcFalse; | |
74 | } | |
75 | } | |
76 | else if (font) | |
77 | FcPatternDestroy (font); | |
78 | id++; | |
79 | } while (font && ret && id < count); | |
80 | return ret; | |
81 | } | |
82 | ||
83 | FcBool | |
84 | FcFileScanConfig (FcFontSet *set, | |
85 | FcStrSet *dirs, | |
86 | FcBlanks *blanks, | |
87 | const FcChar8 *file, | |
88 | FcConfig *config) | |
89 | { | |
90 | if (FcFileIsDir (file)) | |
91 | return FcStrSetAdd (dirs, file); | |
92 | else | |
93 | return FcFileScanFontConfig (set, blanks, file, config); | |
94 | } | |
95 | ||
96 | FcBool | |
97 | FcFileScan (FcFontSet *set, | |
98 | FcStrSet *dirs, | |
99 | FcFileCache *cache, /* XXX unused */ | |
100 | FcBlanks *blanks, | |
101 | const FcChar8 *file, | |
102 | FcBool force) | |
103 | { | |
104 | return FcFileScanConfig (set, dirs, blanks, file, NULL); | |
105 | } | |
106 | ||
107 | /* | |
108 | * Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage | |
109 | */ | |
110 | static int | |
111 | cmpstringp(const void *p1, const void *p2) | |
112 | { | |
113 | return strcmp(* (char **) p1, * (char **) p2); | |
114 | } | |
115 | ||
116 | /* | |
117 | * Scan the specified directory and construct a cache of its contents | |
118 | */ | |
119 | FcCache * | |
120 | FcDirCacheScan (const FcChar8 *dir, FcConfig *config) | |
121 | { | |
122 | DIR *d; | |
123 | struct dirent *e; | |
124 | FcStrSet *files; | |
125 | FcStrSet *dirs; | |
126 | FcChar8 *file; | |
127 | FcChar8 *base; | |
128 | FcBool ret = FcTrue; | |
129 | FcFontSet *set; | |
130 | int i; | |
131 | FcBlanks *blanks = FcConfigGetBlanks (config); | |
132 | FcCache *cache = NULL; | |
133 | ||
134 | if (FcDebug () & FC_DBG_FONTSET) | |
135 | printf ("cache scan dir %s\n", dir); | |
136 | ||
137 | /* freed below */ | |
138 | file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); | |
139 | if (!file) { | |
140 | ret = FcFalse; | |
141 | goto bail; | |
142 | } | |
143 | ||
144 | strcpy ((char *) file, (char *) dir); | |
145 | strcat ((char *) file, "/"); | |
146 | base = file + strlen ((char *) file); | |
147 | ||
148 | if (FcDebug () & FC_DBG_SCAN) | |
149 | printf ("\tScanning dir %s\n", dir); | |
150 | ||
151 | d = opendir ((char *) dir); | |
152 | if (!d) | |
153 | { | |
154 | /* Don't complain about missing directories */ | |
155 | if (errno == ENOENT) | |
156 | ret = FcTrue; | |
157 | else | |
158 | ret = FcFalse; | |
159 | goto bail_1; | |
160 | } | |
161 | ||
162 | set = FcFontSetCreate(); | |
163 | if (!set) | |
164 | { | |
165 | ret = FcFalse; | |
166 | goto bail0; | |
167 | } | |
168 | ||
169 | files = FcStrSetCreate (); | |
170 | if (!files) | |
171 | { | |
172 | ret = FcFalse; | |
173 | goto bail1; | |
174 | } | |
175 | while ((e = readdir (d))) | |
176 | { | |
177 | if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) | |
178 | { | |
179 | strcpy ((char *) base, (char *) e->d_name); | |
180 | if (!FcStrSetAdd (files, file)) { | |
181 | ret = FcFalse; | |
182 | goto bail2; | |
183 | } | |
184 | } | |
185 | } | |
186 | ||
187 | /* | |
188 | * Sort files to make things prettier | |
189 | */ | |
190 | qsort(files->strs, files->num, sizeof(FcChar8 *), cmpstringp); | |
191 | ||
192 | dirs = FcStrSetCreate (); | |
193 | if (!dirs) | |
194 | goto bail2; | |
195 | ||
196 | /* | |
197 | * Scan file files to build font patterns | |
198 | */ | |
199 | for (i = 0; i < files->num; i++) | |
200 | FcFileScanConfig (set, dirs, blanks, files->strs[i], config); | |
201 | ||
202 | /* | |
203 | * Build the cache object | |
204 | */ | |
205 | cache = FcDirCacheBuild (set, dir, dirs); | |
206 | if (!cache) | |
207 | goto bail3; | |
208 | ||
209 | /* | |
210 | * Write out the cache file, ignoring any troubles | |
211 | */ | |
212 | FcDirCacheWrite (cache, config); | |
213 | ||
214 | bail3: | |
215 | FcStrSetDestroy (dirs); | |
216 | bail2: | |
217 | FcStrSetDestroy (files); | |
218 | bail1: | |
219 | FcFontSetDestroy (set); | |
220 | ||
221 | bail0: | |
222 | closedir (d); | |
223 | ||
224 | bail_1: | |
225 | free (file); | |
226 | bail: | |
227 | return cache; | |
228 | } | |
229 | ||
230 | /* | |
231 | * Read (or construct) the cache for a directory | |
232 | */ | |
233 | FcCache * | |
234 | FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config) | |
235 | { | |
236 | FcCache *cache = NULL; | |
237 | FcChar8 *canon_dir; | |
238 | ||
239 | canon_dir = FcStrCanonFilename (dir); | |
240 | if (!canon_dir) canon_dir = (FcChar8 *) dir; | |
241 | ||
242 | if (config && !FcConfigAcceptFilename (config, canon_dir)) { | |
243 | goto bail; | |
244 | } | |
245 | ||
246 | /* Try to use existing cache file */ | |
247 | if (!force) | |
248 | cache = FcDirCacheLoad (canon_dir, config, NULL); | |
249 | ||
250 | /* Not using existing cache file, construct new cache */ | |
251 | if (!cache) | |
252 | cache = FcDirCacheScan (canon_dir, config); | |
253 | ||
254 | bail: | |
255 | if (canon_dir != dir) | |
256 | free (canon_dir); | |
257 | ||
258 | return cache; | |
259 | } | |
260 | ||
261 | FcBool | |
262 | FcDirScanConfig (FcFontSet *set, | |
263 | FcStrSet *dirs, | |
264 | FcBlanks *blanks, | |
265 | const FcChar8 *dir, | |
266 | FcBool force, | |
267 | FcConfig *config) | |
268 | { | |
269 | return FcFalse; /* XXX fixme */ | |
270 | } | |
271 | ||
272 | FcBool | |
273 | FcDirScan (FcFontSet *set, | |
274 | FcStrSet *dirs, | |
275 | FcFileCache *cache, /* XXX unused */ | |
276 | FcBlanks *blanks, | |
277 | const FcChar8 *dir, | |
278 | FcBool force) | |
279 | { | |
280 | return FcDirScanConfig (set, dirs, blanks, dir, force, NULL); | |
281 | } | |
282 | ||
283 | FcBool | |
284 | FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir) | |
285 | { | |
286 | return FcFalse; /* XXX deprecated */ | |
287 | } |