1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
/*
BundleExtensionLoader.m
Implementation of the BundleExtensionLoader class for the
ProjectManager application.
Copyright (C) 2005 Saso Kiselkov
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#import "BundleExtensionLoader.h"
#import <Foundation/Foundation.h>
@interface BundleExtensionLoader (Private)
- (NSSearchPathDomainMask) determineDomainsMaskWithDefaultsKey: (NSString *)
defaultsKey;
- (void) loadBundlesOfType: (NSString *) fileType
protocols: (NSArray *) protocols
inDirectory: (NSString *) dir
intoArray: (NSMutableArray *) array;
- (NSBundle *) validateBundleAtPath: (NSString *) bundlePath
againstProtocols: (NSArray *) protocols;
@end
@implementation BundleExtensionLoader (Private)
- (NSSearchPathDomainMask) determineDomainsMaskWithDefaultsKey: (NSString *)
defaultsKey
{
NSUserDefaults * df = [NSUserDefaults standardUserDefaults];
NSSearchPathDomainMask mask = NSAllDomainsMask;
if (defaultsKey == nil)
{
defaultsKey = @"BundleExtensionLoader";
}
if ([df boolForKey: [defaultsKey stringByAppendingString:
@"-ExcludeLoadingFromSystem"]])
{
mask ^= NSSystemDomainMask;
}
if ([df boolForKey: [defaultsKey stringByAppendingString:
@"-ExcludeLoadingFromLocal"]])
{
mask ^= NSLocalDomainMask;
}
if ([df boolForKey: [defaultsKey stringByAppendingString:
@"-ExcludeLoadingFromNetwork"]])
{
mask ^= NSNetworkDomainMask;
}
if ([df boolForKey: [defaultsKey stringByAppendingString:
@"-ExcludeLoadingFromUser"]])
{
mask ^= NSUserDomainMask;
}
if ([df boolForKey: [defaultsKey stringByAppendingString:
@"-ExcludeLoadingFromMainBundle"]])
{
mask ^= MainBundleDomainMask;
}
return mask;
}
- (void) loadBundlesOfType: (NSString *) fileType
protocols: (NSArray *) protocols
inDirectory: (NSString *) dir
intoArray: (NSMutableArray *) array
{
NSEnumerator * e = [[[NSFileManager defaultManager]
directoryContentsAtPath: dir] objectEnumerator];
NSString * filename;
while ((filename = [e nextObject]) != nil)
{
NSBundle * bundle;
if (fileType != nil && ![[[filename pathExtension]
lowercaseString] isEqualToString: fileType])
{
continue;
}
filename = [dir stringByAppendingPathComponent: filename];
if ((bundle = [self validateBundleAtPath: filename
againstProtocols: protocols]) != nil)
{
[array addObject: bundle];
}
}
}
- (NSBundle *) validateBundleAtPath: (NSString *) bundlePath
againstProtocols: (NSArray *) protocols
{
NSBundle * bundle = [NSBundle bundleWithPath: bundlePath];
if (bundle != nil && protocols != nil)
{
Protocol * proto;
NSEnumerator * e;
Class principalClass;
principalClass = [bundle principalClass];
if (principalClass == Nil)
{
return nil;
}
e = [protocols objectEnumerator];
while ((proto = [e nextObject]) != nil)
{
if (![principalClass conformsToProtocol: proto])
{
return nil;
}
}
}
return bundle;
}
@end
@implementation BundleExtensionLoader
static BundleExtensionLoader * shared = nil;
+ shared
{
if (shared == nil)
{
shared = [self new];
}
return shared;
}
- (NSArray *) extensionsForBundleType: (NSString *) bundleFileExt
principalClassProtocol: (Protocol *) protocol
bundleSubdirectory: (NSString *) subDirName
inDomains: (NSSearchPathDomainMask) domainMask
domainDetectionByKey: (NSString *) defaultsKey
{
NSArray * protocolArray = nil;
if (protocol != nil)
{
protocolArray = [NSArray arrayWithObject: protocol];
}
return [self extensionsForBundleType: bundleFileExt
principalClassProtocols: protocolArray
bundleSubdirectory: subDirName
inDomains: domainMask
domainDetectionByKey: defaultsKey];
}
- (NSArray *) extensionsForBundleType: (NSString *) bundleFileExt
principalClassProtocols: (NSArray *) protocols
bundleSubdirectory: (NSString *) subDirName
inDomains: (NSSearchPathDomainMask) domainMask
domainDetectionByKey: (NSString *) defaultsKey
{
NSEnumerator * e;
NSString * libDir;
NSMutableArray * bundles;
if (domainMask == 0)
{
domainMask = [self determineDomainsMaskWithDefaultsKey: defaultsKey];
}
bundles = [NSMutableArray array];
bundleFileExt = [bundleFileExt lowercaseString];
e = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory,
domainMask, YES) objectEnumerator];
while ((libDir = [e nextObject]) != nil)
{
NSString * bundleSubdirectoryPath;
if (subDirName)
{
bundleSubdirectoryPath = [libDir
stringByAppendingPathComponent: [@"Bundles"
stringByAppendingPathComponent: subDirName]];
libDir = [libDir stringByAppendingPathComponent: subDirName];
}
else
{
bundleSubdirectoryPath = nil;
libDir = [libDir stringByAppendingPathComponent: @"Bundles"];
}
if (bundleSubdirectoryPath != nil)
{
[self loadBundlesOfType: bundleFileExt
protocols: protocols
inDirectory: bundleSubdirectoryPath
intoArray: bundles];
}
[self loadBundlesOfType: bundleFileExt
protocols: protocols
inDirectory: libDir
intoArray: bundles];
}
#ifdef GNUSTEP
e = [NSSearchPathForDirectoriesInDomains(GSApplicationSupportDirectory,
domainMask, YES) objectEnumerator];
while ((libDir = [e nextObject]) != nil)
{
if (subDirName)
{
libDir = [libDir stringByAppendingPathComponent: subDirName];
}
[self loadBundlesOfType: bundleFileExt
protocols: protocols
inDirectory: libDir
intoArray: bundles];
}
#endif
if (domainMask & MainBundleDomainMask)
{
NSString * resource;
e = [[[NSBundle mainBundle]
pathsForResourcesOfType: bundleFileExt inDirectory: nil]
objectEnumerator];
while ((resource = [e nextObject]) != nil)
{
NSBundle * bundle;
if (bundleFileExt != nil &&
![[[resource pathExtension] lowercaseString]
isEqualToString: bundleFileExt])
{
continue;
}
bundle = [self validateBundleAtPath: resource
againstProtocols: protocols];
if (bundle != nil)
{
[bundles addObject: bundle];
}
}
}
return [[bundles copy] autorelease];
}
@end
|
