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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 | FcBool | |
39 | FcFileScanConfig (FcFontSet *set, | |
40 | FcStrSet *dirs, | |
41 | FcGlobalCache *cache, | |
42 | FcBlanks *blanks, | |
43 | const FcChar8 *file, | |
44 | FcBool force, | |
45 | FcConfig *config) | |
46 | { | |
47 | int id; | |
48 | FcPattern *font; | |
49 | FcBool ret = FcTrue; | |
50 | FcBool isDir; | |
51 | int count = 0; | |
52 | ||
53 | if (config && !FcConfigAcceptFilename (config, file)) | |
54 | return FcTrue; | |
55 | ||
56 | if (force) | |
57 | cache = 0; | |
58 | id = 0; | |
59 | do | |
60 | { | |
61 | font = 0; | |
62 | /* | |
63 | * Nothing in the cache, scan the file | |
64 | */ | |
65 | if (FcDebug () & FC_DBG_SCAN) | |
66 | { | |
67 | printf ("\tScanning file %s...", file); | |
68 | fflush (stdout); | |
69 | } | |
70 | font = FcFreeTypeQuery (file, id, blanks, &count); | |
71 | if (FcDebug () & FC_DBG_SCAN) | |
72 | printf ("done\n"); | |
73 | isDir = FcFalse; | |
74 | if (!font && FcFileIsDir (file)) | |
75 | { | |
76 | isDir = FcTrue; | |
77 | ret = FcStrSetAdd (dirs, file); | |
78 | } | |
79 | /* | |
80 | * Add the font | |
81 | */ | |
82 | if (font && (!config || FcConfigAcceptFont (config, font))) | |
83 | { | |
84 | if (!FcFontSetAdd (set, font)) | |
85 | { | |
86 | FcPatternDestroy (font); | |
87 | font = 0; | |
88 | ret = FcFalse; | |
89 | } | |
90 | } | |
91 | else if (font) | |
92 | FcPatternDestroy (font); | |
93 | id++; | |
94 | } while (font && ret && id < count); | |
95 | return ret; | |
96 | } | |
97 | ||
98 | FcBool | |
99 | FcFileScan (FcFontSet *set, | |
100 | FcStrSet *dirs, | |
101 | FcGlobalCache *cache, | |
102 | FcBlanks *blanks, | |
103 | const FcChar8 *file, | |
104 | FcBool force) | |
105 | { | |
106 | return FcFileScanConfig (set, dirs, cache, blanks, file, force, 0); | |
107 | } | |
108 | ||
109 | /* | |
110 | * Scan 'dir', adding font files to 'set' and | |
111 | * subdirectories to 'dirs' | |
112 | */ | |
113 | ||
114 | FcBool | |
115 | FcDirScanConfig (FcFontSet *set, | |
116 | FcStrSet *dirs, | |
117 | FcGlobalCache *cache, | |
118 | FcBlanks *blanks, | |
119 | const FcChar8 *dir, | |
120 | FcBool force, | |
121 | FcConfig *config) | |
122 | { | |
123 | DIR *d; | |
124 | struct dirent *e; | |
125 | FcChar8 *file; | |
126 | FcChar8 *base; | |
127 | FcBool ret = FcTrue; | |
128 | FcFontSet *tmpSet; | |
129 | int i; | |
130 | ||
131 | if (config && !FcConfigAcceptFilename (config, dir)) | |
132 | return FcTrue; | |
133 | ||
134 | if (!force) | |
135 | { | |
136 | /* | |
137 | * Check ~/.fonts.cache-<version> file | |
138 | */ | |
139 | if (cache && FcGlobalCacheReadDir (set, dirs, cache, (char *)dir, config)) | |
140 | return FcTrue; | |
141 | ||
142 | if (FcDirCacheValid (dir) && FcDirCacheRead (set, dirs, dir, config)) | |
143 | return FcTrue; | |
144 | } | |
145 | ||
146 | /* freed below */ | |
147 | file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); | |
148 | if (!file) | |
149 | return FcFalse; | |
150 | ||
151 | strcpy ((char *) file, (char *) dir); | |
152 | strcat ((char *) file, "/"); | |
153 | base = file + strlen ((char *) file); | |
154 | ||
155 | if (FcDebug () & FC_DBG_SCAN) | |
156 | printf ("\tScanning dir %s\n", dir); | |
157 | ||
158 | d = opendir ((char *) dir); | |
159 | if (!d) | |
160 | { | |
161 | free (file); | |
162 | /* Don't complain about missing directories */ | |
163 | if (errno == ENOENT) | |
164 | return FcTrue; | |
165 | return FcFalse; | |
166 | } | |
167 | ||
168 | FcConfigAddFontDir (config, dir); | |
169 | tmpSet = FcFontSetCreate(); | |
170 | if (!tmpSet) | |
171 | { | |
172 | free (file); | |
173 | return FcFalse; | |
174 | } | |
175 | ||
176 | while (ret && (e = readdir (d))) | |
177 | { | |
178 | if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) | |
179 | { | |
180 | strcpy ((char *) base, (char *) e->d_name); | |
181 | ret = FcFileScanConfig (tmpSet, dirs, cache, blanks, file, force, config); | |
182 | } | |
183 | } | |
184 | free (file); | |
185 | closedir (d); | |
186 | /* | |
187 | * Now that the directory has been scanned, | |
188 | * add the cache entry | |
189 | */ | |
190 | if (ret && cache) | |
191 | FcGlobalCacheUpdate (cache, (char *)dir, tmpSet); | |
192 | ||
193 | for (i = 0; i < tmpSet->nfont; i++) | |
194 | FcFontSetAdd (set, tmpSet->fonts[i]); | |
195 | ||
196 | if (tmpSet->fonts) | |
197 | { | |
198 | FcMemFree (FC_MEM_FONTPTR, tmpSet->sfont * sizeof (FcPattern *)); | |
199 | free (tmpSet->fonts); | |
200 | } | |
201 | FcMemFree (FC_MEM_FONTSET, sizeof (FcFontSet)); | |
202 | free (tmpSet); | |
203 | ||
204 | return ret; | |
205 | } | |
206 | ||
207 | FcBool | |
208 | FcDirScan (FcFontSet *set, | |
209 | FcStrSet *dirs, | |
210 | FcGlobalCache *cache, | |
211 | FcBlanks *blanks, | |
212 | const FcChar8 *dir, | |
213 | FcBool force) | |
214 | { | |
215 | return FcDirScanConfig (set, dirs, cache, blanks, dir, force, 0); | |
216 | } | |
217 | ||
218 | FcBool | |
219 | FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir) | |
220 | { | |
221 | return FcDirCacheWrite (set, dirs, dir); | |
222 | } |