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
|
/*
* Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import <WebKit/WebNSFileManagerExtras.h>
#import "WebKitNSStringExtras.h"
#import "WebNSURLExtras.h"
#import <JavaScriptCore/Assertions.h>
#import <WebCore/FoundationExtras.h>
#import <WebKitSystemInterface.h>
#import <sys/stat.h>
@implementation NSFileManager (WebNSFileManagerExtras)
- (NSString *)_webkit_carbonPathForPath:(NSString *)posixPath
{
OSStatus error;
FSRef ref, rootRef, parentRef;
FSCatalogInfo info;
NSMutableArray *carbonPathPieces;
HFSUniStr255 nameString;
// Make an FSRef.
error = FSPathMakeRef((const UInt8 *)[posixPath fileSystemRepresentation], &ref, NULL);
if (error != noErr) {
return nil;
}
// Get volume refNum.
error = FSGetCatalogInfo(&ref, kFSCatInfoVolume, &info, NULL, NULL, NULL);
if (error != noErr) {
return nil;
}
// Get root directory FSRef.
error = FSGetVolumeInfo(info.volume, 0, NULL, kFSVolInfoNone, NULL, NULL, &rootRef);
if (error != noErr) {
return nil;
}
// Get the pieces of the path.
carbonPathPieces = [NSMutableArray array];
for (;;) {
error = FSGetCatalogInfo(&ref, kFSCatInfoNone, NULL, &nameString, NULL, &parentRef);
if (error != noErr) {
return nil;
}
[carbonPathPieces insertObject:[NSString stringWithCharacters:nameString.unicode length:nameString.length] atIndex:0];
if (FSCompareFSRefs(&ref, &rootRef) == noErr) {
break;
}
ref = parentRef;
}
// Volume names need trailing : character.
if ([carbonPathPieces count] == 1) {
[carbonPathPieces addObject:@""];
}
return [carbonPathPieces componentsJoinedByString:@":"];
}
typedef struct MetaDataInfo
{
NSString *URLString;
NSString *referrer;
NSString *path;
} MetaDataInfo;
static void *setMetaData(void* context)
{
MetaDataInfo *info = (MetaDataInfo *)context;
WKSetMetadataURL(info->URLString, info->referrer, info->path);
HardRelease(info->URLString);
HardRelease(info->referrer);
HardRelease(info->path);
free(info);
return 0;
}
- (void)_webkit_setMetadataURL:(NSString *)URLString referrer:(NSString *)referrer atPath:(NSString *)path
{
ASSERT(URLString);
ASSERT(path);
NSURL *URL = [NSURL _web_URLWithUserTypedString:URLString];
if (URL)
URLString = [[URL _web_URLByRemovingUserInfo] _web_userVisibleString];
// Spawn a background thread for WKSetMetadataURL because this function will not return until mds has
// journaled the data we're're trying to set. Depending on what other I/O is going on, it can take some
// time.
pthread_t tid;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
MetaDataInfo *info = malloc(sizeof(MetaDataInfo));
info->URLString = HardRetainWithNSRelease([URLString copy]);
info->referrer = HardRetainWithNSRelease([referrer copy]);
info->path = HardRetainWithNSRelease([path copy]);
pthread_create(&tid, &attr, setMetaData, info);
pthread_attr_destroy(&attr);
}
- (NSString *)_webkit_startupVolumeName
{
NSString *path = [self _webkit_carbonPathForPath:@"/"];
return [path substringToIndex:[path length]-1];
}
// -[NSFileManager fileExistsAtPath:] returns NO if there is a broken symlink at the path.
// So we use this function instead, which returns YES if there is anything there, including
// a broken symlink.
static BOOL fileExists(NSString *path)
{
struct stat statBuffer;
return !lstat([path fileSystemRepresentation], &statBuffer);
}
- (NSString *)_webkit_pathWithUniqueFilenameForPath:(NSString *)path
{
// "Fix" the filename of the path.
NSString *filename = [[path lastPathComponent] _webkit_filenameByFixingIllegalCharacters];
path = [[path stringByDeletingLastPathComponent] stringByAppendingPathComponent:filename];
if (fileExists(path)) {
// Don't overwrite existing file by appending "-n", "-n.ext" or "-n.ext.ext" to the filename.
NSString *extensions = nil;
NSString *pathWithoutExtensions;
NSString *lastPathComponent = [path lastPathComponent];
NSRange periodRange = [lastPathComponent rangeOfString:@"."];
if (periodRange.location == NSNotFound) {
pathWithoutExtensions = path;
} else {
extensions = [lastPathComponent substringFromIndex:periodRange.location + 1];
lastPathComponent = [lastPathComponent substringToIndex:periodRange.location];
pathWithoutExtensions = [[path stringByDeletingLastPathComponent] stringByAppendingPathComponent:lastPathComponent];
}
for (unsigned i = 1; ; i++) {
NSString *pathWithAppendedNumber = [NSString stringWithFormat:@"%@-%d", pathWithoutExtensions, i];
path = [extensions length] ? [pathWithAppendedNumber stringByAppendingPathExtension:extensions] : pathWithAppendedNumber;
if (!fileExists(path))
break;
}
}
return path;
}
@end
#ifdef BUILDING_ON_TIGER
@implementation NSFileManager (WebNSFileManagerTigerForwardCompatibility)
- (NSArray *)contentsOfDirectoryAtPath:(NSString *)path error:(NSError **)error
{
// We don't report errors via the NSError* output parameter, so ensure that the caller does not expect us to do so.
ASSERT_ARG(error, !error);
return [self directoryContentsAtPath:path];
}
- (NSString *)destinationOfSymbolicLinkAtPath:(NSString *)path error:(NSError **)error
{
// We don't report errors via the NSError* output parameter, so ensure that the caller does not expect us to do so.
ASSERT_ARG(error, !error);
return [self pathContentOfSymbolicLinkAtPath:path];
}
- (NSDictionary *)attributesOfFileSystemForPath:(NSString *)path error:(NSError **)error
{
// We don't report errors via the NSError* output parameter, so ensure that the caller does not expect us to do so.
ASSERT_ARG(error, !error);
return [self fileSystemAttributesAtPath:path];
}
- (NSDictionary *)attributesOfItemAtPath:(NSString *)path error:(NSError **)error
{
// We don't report errors via the NSError* output parameter, so ensure that the caller does not expect us to do so.
ASSERT_ARG(error, !error);
return [self fileAttributesAtPath:path traverseLink:NO];
}
- (BOOL)moveItemAtPath:(NSString *)srcPath toPath:(NSString *)dstPath error:(NSError **)error
{
// The implementation of moveItemAtPath:toPath:error: interacts with the NSFileManager's delegate.
// We are not matching that behaviour at the moment, but it should not be a problem as any client
// expecting that would need to call setDelegate: first which will generate a compile-time warning,
// as that method is not available on Tiger.
return [self movePath:srcPath toPath:dstPath handler:nil];
}
- (BOOL)removeItemAtPath:(NSString *)path error:(NSError **)error
{
// The implementation of removeItemAtPath:error: interacts with the NSFileManager's delegate.
// We are not matching that behaviour at the moment, but it should not be a problem as any client
// expecting that would need to call setDelegate: first which will generate a compile-time warning,
// as that method is not available on Tiger.
return [self removeFileAtPath:path handler:nil];
}
@end
#endif
|
