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Commit | Line | Data |
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24330d27 | 1 | /* |
4bd4418a | 2 | * $RCSId: xc/lib/fontconfig/src/fcdir.c,v 1.9 2002/08/31 22:17:32 keithp Exp $ |
24330d27 | 3 | * |
46b51147 | 4 | * Copyright © 2000 Keith Packard |
24330d27 KP |
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 | ||
24330d27 | 25 | #include "fcint.h" |
179c3995 KP |
26 | #include <dirent.h> |
27 | ||
2d9c79c0 | 28 | FcBool |
179c3995 KP |
29 | FcFileIsDir (const FcChar8 *file) |
30 | { | |
31 | struct stat statb; | |
24330d27 | 32 | |
179c3995 KP |
33 | if (stat ((const char *) file, &statb) != 0) |
34 | return FcFalse; | |
35 | return S_ISDIR(statb.st_mode); | |
36 | } | |
24330d27 | 37 | |
00f059e9 KP |
38 | static FcBool |
39 | FcFileScanFontConfig (FcFontSet *set, | |
40 | FcBlanks *blanks, | |
41 | const FcChar8 *file, | |
42 | FcConfig *config) | |
24330d27 | 43 | { |
00f059e9 KP |
44 | FcPattern *font; |
45 | FcBool ret = FcTrue; | |
46 | int id; | |
47 | int count = 0; | |
24330d27 KP |
48 | |
49 | id = 0; | |
50 | do | |
51 | { | |
327a7fd4 KP |
52 | font = 0; |
53 | /* | |
eb0cf671 | 54 | * Nothing in the cache, scan the file |
327a7fd4 | 55 | */ |
eb0cf671 | 56 | if (FcDebug () & FC_DBG_SCAN) |
24330d27 | 57 | { |
eb0cf671 PL |
58 | printf ("\tScanning file %s...", file); |
59 | fflush (stdout); | |
24330d27 | 60 | } |
eb0cf671 PL |
61 | font = FcFreeTypeQuery (file, id, blanks, &count); |
62 | if (FcDebug () & FC_DBG_SCAN) | |
63 | printf ("done\n"); | |
327a7fd4 KP |
64 | /* |
65 | * Add the font | |
66 | */ | |
4f27c1c0 | 67 | if (font && (!config || FcConfigAcceptFont (config, font))) |
24330d27 KP |
68 | { |
69 | if (!FcFontSetAdd (set, font)) | |
70 | { | |
71 | FcPatternDestroy (font); | |
72 | font = 0; | |
73 | ret = FcFalse; | |
74 | } | |
75 | } | |
47b49bf1 KP |
76 | else if (font) |
77 | FcPatternDestroy (font); | |
24330d27 KP |
78 | id++; |
79 | } while (font && ret && id < count); | |
80 | return ret; | |
81 | } | |
82 | ||
00f059e9 KP |
83 | FcBool |
84 | FcFileScanConfig (FcFontSet *set, | |
85 | FcStrSet *dirs, | |
86 | FcBlanks *blanks, | |
87 | const FcChar8 *file, | |
88 | FcBool force, | |
89 | FcConfig *config) | |
90 | { | |
91 | if (config && !FcConfigAcceptFilename (config, file)) | |
92 | return FcTrue; | |
93 | ||
94 | if (FcFileIsDir (file)) | |
95 | return FcStrSetAdd (dirs, file); | |
96 | else | |
97 | return FcFileScanFontConfig (set, blanks, file, config); | |
98 | } | |
99 | ||
d47c9d6e KP |
100 | FcBool |
101 | FcFileScan (FcFontSet *set, | |
102 | FcStrSet *dirs, | |
00f059e9 | 103 | FcFileCache *cache, /* XXX unused */ |
d47c9d6e KP |
104 | FcBlanks *blanks, |
105 | const FcChar8 *file, | |
106 | FcBool force) | |
107 | { | |
00f059e9 | 108 | return FcFileScanConfig (set, dirs, blanks, file, force, 0); |
d47c9d6e KP |
109 | } |
110 | ||
e3c6d336 PL |
111 | /* |
112 | * Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage | |
113 | */ | |
114 | ||
115 | static int | |
116 | cmpstringp(const void *p1, const void *p2) | |
117 | { | |
118 | return strcmp(* (char **) p1, * (char **) p2); | |
119 | } | |
120 | ||
c8d5753c KP |
121 | /* |
122 | * Scan 'dir', adding font files to 'set' and | |
123 | * subdirectories to 'dirs' | |
124 | */ | |
125 | ||
24330d27 | 126 | FcBool |
d47c9d6e KP |
127 | FcDirScanConfig (FcFontSet *set, |
128 | FcStrSet *dirs, | |
d47c9d6e KP |
129 | FcBlanks *blanks, |
130 | const FcChar8 *dir, | |
131 | FcBool force, | |
132 | FcConfig *config) | |
24330d27 | 133 | { |
327a7fd4 | 134 | DIR *d; |
0d9e31c8 | 135 | FcChar8 *canon_dir; |
327a7fd4 | 136 | struct dirent *e; |
00f059e9 | 137 | FcStrSet *dirlist, *filelist; |
327a7fd4 KP |
138 | FcChar8 *file; |
139 | FcChar8 *base; | |
140 | FcBool ret = FcTrue; | |
eb0cf671 PL |
141 | FcFontSet *tmpSet; |
142 | int i; | |
24330d27 | 143 | |
0d9e31c8 KP |
144 | canon_dir = FcStrCanonFilename (dir); |
145 | if (!canon_dir) canon_dir = (FcChar8 *) dir; | |
0d9e31c8 KP |
146 | |
147 | if (config && !FcConfigAcceptFilename (config, canon_dir)) { | |
148 | ret = FcTrue; | |
149 | goto bail; | |
150 | } | |
d47c9d6e | 151 | |
327a7fd4 KP |
152 | if (!force) |
153 | { | |
0d9e31c8 KP |
154 | if (FcDirCacheRead (set, dirs, canon_dir, config)) { |
155 | ret = FcTrue; | |
156 | goto bail; | |
157 | } | |
327a7fd4 KP |
158 | } |
159 | ||
00f059e9 | 160 | if (FcDebug () & FC_DBG_FONTSET) |
0d9e31c8 | 161 | printf ("cache scan dir %s\n", canon_dir); |
00f059e9 | 162 | |
9dac3c59 | 163 | /* freed below */ |
0d9e31c8 KP |
164 | file = (FcChar8 *) malloc (strlen ((char *) canon_dir) + 1 + FC_MAX_FILE_LEN + 1); |
165 | if (!file) { | |
166 | ret = FcFalse; | |
167 | goto bail; | |
168 | } | |
24330d27 | 169 | |
0d9e31c8 | 170 | strcpy ((char *) file, (char *) canon_dir); |
ccb3e93b KP |
171 | strcat ((char *) file, "/"); |
172 | base = file + strlen ((char *) file); | |
24330d27 | 173 | |
a8386abc | 174 | if (FcDebug () & FC_DBG_SCAN) |
0d9e31c8 | 175 | printf ("\tScanning dir %s\n", canon_dir); |
a8386abc | 176 | |
0d9e31c8 | 177 | d = opendir ((char *) canon_dir); |
24330d27 KP |
178 | if (!d) |
179 | { | |
179c3995 KP |
180 | /* Don't complain about missing directories */ |
181 | if (errno == ENOENT) | |
0d9e31c8 KP |
182 | ret = FcTrue; |
183 | else | |
184 | ret = FcFalse; | |
185 | goto bail_1; | |
24330d27 | 186 | } |
eb0cf671 PL |
187 | |
188 | tmpSet = FcFontSetCreate(); | |
65448e8b PL |
189 | if (!tmpSet) |
190 | { | |
191 | ret = FcFalse; | |
192 | goto bail0; | |
eb0cf671 PL |
193 | } |
194 | ||
00f059e9 | 195 | dirlist = FcStrSetCreate (); |
65448e8b PL |
196 | if (!dirlist) |
197 | { | |
198 | ret = FcFalse; | |
199 | goto bail1; | |
200 | } | |
00f059e9 KP |
201 | filelist = FcStrSetCreate (); |
202 | if (!filelist) | |
203 | { | |
204 | ret = FcFalse; | |
205 | goto bail2; | |
206 | } | |
e3c6d336 | 207 | while ((e = readdir (d))) |
24330d27 | 208 | { |
179c3995 | 209 | if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) |
24330d27 | 210 | { |
00f059e9 KP |
211 | strcpy ((char *) base, (char *) e->d_name); |
212 | if (FcFileIsDir (file)) { | |
213 | if (!FcStrSetAdd (dirlist, file)) { | |
65448e8b | 214 | ret = FcFalse; |
00f059e9 KP |
215 | goto bail3; |
216 | } | |
217 | } else { | |
218 | if (!FcStrSetAdd (filelist, file)) { | |
219 | ret = FcFalse; | |
220 | goto bail3; | |
65448e8b | 221 | } |
65448e8b | 222 | } |
24330d27 KP |
223 | } |
224 | } | |
00f059e9 KP |
225 | /* |
226 | * Sort files and dirs to make things prettier | |
227 | */ | |
228 | qsort(dirlist->strs, dirlist->num, sizeof(FcChar8 *), cmpstringp); | |
229 | qsort(filelist->strs, filelist->num, sizeof(FcChar8 *), cmpstringp); | |
230 | ||
231 | for (i = 0; i < filelist->num; i++) | |
232 | FcFileScanFontConfig (tmpSet, blanks, filelist->strs[i], config); | |
233 | ||
af180c40 KP |
234 | /* |
235 | * Now that the directory has been scanned, | |
236 | * write out the cache file | |
237 | */ | |
0d9e31c8 | 238 | FcDirCacheWrite (tmpSet, dirlist, canon_dir, config); |
00f059e9 | 239 | |
c8d5753c | 240 | /* |
00f059e9 | 241 | * Add the discovered fonts to our internal non-cache list |
c8d5753c | 242 | */ |
eb0cf671 PL |
243 | for (i = 0; i < tmpSet->nfont; i++) |
244 | FcFontSetAdd (set, tmpSet->fonts[i]); | |
245 | ||
00f059e9 KP |
246 | /* |
247 | * the patterns in tmpset now belong to set; don't free them | |
248 | */ | |
249 | tmpSet->nfont = 0; | |
65448e8b | 250 | |
00f059e9 KP |
251 | /* |
252 | * Add the discovered directories to the list to be scanned | |
253 | */ | |
254 | for (i = 0; i < dirlist->num; i++) | |
255 | if (!FcStrSetAdd (dirs, dirlist->strs[i])) { | |
256 | ret = FcFalse; | |
257 | goto bail3; | |
258 | } | |
259 | ||
260 | bail3: | |
261 | FcStrSetDestroy (filelist); | |
65448e8b | 262 | bail2: |
00f059e9 | 263 | FcStrSetDestroy (dirlist); |
65448e8b | 264 | bail1: |
00f059e9 | 265 | FcFontSetDestroy (tmpSet); |
65448e8b PL |
266 | |
267 | bail0: | |
268 | closedir (d); | |
269 | ||
0d9e31c8 | 270 | bail_1: |
65448e8b | 271 | free (file); |
0d9e31c8 KP |
272 | bail: |
273 | if (canon_dir != dir) free (canon_dir); | |
24330d27 KP |
274 | return ret; |
275 | } | |
276 | ||
d47c9d6e KP |
277 | FcBool |
278 | FcDirScan (FcFontSet *set, | |
279 | FcStrSet *dirs, | |
00f059e9 | 280 | FcFileCache *cache, /* XXX unused */ |
d47c9d6e KP |
281 | FcBlanks *blanks, |
282 | const FcChar8 *dir, | |
283 | FcBool force) | |
284 | { | |
00f059e9 | 285 | return FcDirScanConfig (set, dirs, blanks, dir, force, 0); |
d47c9d6e KP |
286 | } |
287 | ||
24330d27 | 288 | FcBool |
2304e38f | 289 | FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir) |
24330d27 | 290 | { |
2d3387fd | 291 | return FcFalse; |
24330d27 | 292 | } |