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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 | int count = 0; | |
51 | ||
52 | if (config && !FcConfigAcceptFilename (config, file)) | |
53 | return FcTrue; | |
54 | ||
55 | if (FcFileIsDir (file)) | |
56 | return FcStrSetAdd (dirs, file); | |
57 | ||
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 | /* | |
74 | * Add the font | |
75 | */ | |
76 | if (font && (!config || FcConfigAcceptFont (config, font))) | |
77 | { | |
78 | if (!FcFontSetAdd (set, font)) | |
79 | { | |
80 | FcPatternDestroy (font); | |
81 | font = 0; | |
82 | ret = FcFalse; | |
83 | } | |
84 | } | |
85 | else if (font) | |
86 | FcPatternDestroy (font); | |
87 | id++; | |
88 | } while (font && ret && id < count); | |
89 | return ret; | |
90 | } | |
91 | ||
92 | FcBool | |
93 | FcFileScan (FcFontSet *set, | |
94 | FcStrSet *dirs, | |
95 | FcGlobalCache *cache, | |
96 | FcBlanks *blanks, | |
97 | const FcChar8 *file, | |
98 | FcBool force) | |
99 | { | |
100 | return FcFileScanConfig (set, dirs, cache, blanks, file, force, 0); | |
101 | } | |
102 | ||
103 | /* | |
104 | * Scan 'dir', adding font files to 'set' and | |
105 | * subdirectories to 'dirs' | |
106 | */ | |
107 | ||
108 | FcBool | |
109 | FcDirScanConfig (FcFontSet *set, | |
110 | FcStrSet *dirs, | |
111 | FcGlobalCache *cache, | |
112 | FcBlanks *blanks, | |
113 | const FcChar8 *dir, | |
114 | FcBool force, | |
115 | FcConfig *config) | |
116 | { | |
117 | DIR *d; | |
118 | struct dirent *e; | |
119 | FcChar8 *file; | |
120 | const FcChar8 *d_can = 0; | |
121 | FcChar8 *base; | |
122 | FcBool ret = FcTrue; | |
123 | FcFontSet *tmpSet; | |
124 | int i; | |
125 | ||
126 | if (config && !FcConfigAcceptFilename (config, dir)) | |
127 | return FcTrue; | |
128 | ||
129 | if (config) | |
130 | d_can = FcConfigNormalizeFontDir (config, dir); | |
131 | if (d_can) | |
132 | dir = d_can; | |
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) && | |
143 | FcDirCacheHasCurrentArch (dir) && | |
144 | FcDirCacheRead (set, dirs, dir, config)) | |
145 | return FcTrue; | |
146 | } | |
147 | ||
148 | /* freed below */ | |
149 | file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); | |
150 | if (!file) | |
151 | return FcFalse; | |
152 | ||
153 | strcpy ((char *) file, (char *) dir); | |
154 | strcat ((char *) file, "/"); | |
155 | base = file + strlen ((char *) file); | |
156 | ||
157 | if (FcDebug () & FC_DBG_SCAN) | |
158 | printf ("\tScanning dir %s\n", dir); | |
159 | ||
160 | d = opendir ((char *) dir); | |
161 | if (!d) | |
162 | { | |
163 | free (file); | |
164 | /* Don't complain about missing directories */ | |
165 | if (errno == ENOENT) | |
166 | return FcTrue; | |
167 | return FcFalse; | |
168 | } | |
169 | ||
170 | tmpSet = FcFontSetCreate(); | |
171 | if (!tmpSet) | |
172 | { | |
173 | free (file); | |
174 | return FcFalse; | |
175 | } | |
176 | ||
177 | while (ret && (e = readdir (d))) | |
178 | { | |
179 | if (e->d_name[0] != '.' && strlen (e->d_name) < FC_MAX_FILE_LEN) | |
180 | { | |
181 | strcpy ((char *) base, (char *) e->d_name); | |
182 | ret = FcFileScanConfig (tmpSet, dirs, cache, blanks, file, force, config); | |
183 | } | |
184 | } | |
185 | free (file); | |
186 | closedir (d); | |
187 | /* | |
188 | * Now that the directory has been scanned, | |
189 | * add the cache entry | |
190 | */ | |
191 | if (ret && cache) | |
192 | FcGlobalCacheUpdate (cache, dirs, (char *)dir, tmpSet, config); | |
193 | ||
194 | for (i = 0; i < tmpSet->nfont; i++) | |
195 | FcFontSetAdd (set, tmpSet->fonts[i]); | |
196 | ||
197 | if (tmpSet->fonts) | |
198 | { | |
199 | FcMemFree (FC_MEM_FONTPTR, tmpSet->sfont * sizeof (FcPattern *)); | |
200 | free (tmpSet->fonts); | |
201 | } | |
202 | FcMemFree (FC_MEM_FONTSET, sizeof (FcFontSet)); | |
203 | free (tmpSet); | |
204 | ||
205 | return ret; | |
206 | } | |
207 | ||
208 | FcBool | |
209 | FcDirScan (FcFontSet *set, | |
210 | FcStrSet *dirs, | |
211 | FcGlobalCache *cache, | |
212 | FcBlanks *blanks, | |
213 | const FcChar8 *dir, | |
214 | FcBool force) | |
215 | { | |
216 | return FcDirScanConfig (set, dirs, cache, blanks, dir, force, 0); | |
217 | } | |
218 | ||
219 | FcBool | |
220 | FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir) | |
221 | { | |
222 | return FcDirCacheWrite (set, dirs, dir); | |
223 | } |