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
|
/*
* Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2008 Collabora, Ltd. 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.
*/
#ifndef FileSystem_h
#define FileSystem_h
#include "PlatformString.h"
#include <time.h>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
#if USE(CF)
#include <wtf/RetainPtr.h>
#endif
#if PLATFORM(QT)
#include <QFile>
#include <QLibrary>
#if defined(Q_OS_WIN32)
#include <windows.h>
#endif
#endif
#if PLATFORM(WX)
#include <wx/defs.h>
#include <wx/file.h>
#endif
#if USE(CF) || (PLATFORM(QT) && defined(Q_WS_MAC))
typedef struct __CFBundle* CFBundleRef;
typedef const struct __CFData* CFDataRef;
#endif
#if OS(WINDOWS)
// These are to avoid including <winbase.h> in a header for Chromium
typedef void *HANDLE;
// Assuming STRICT
typedef struct HINSTANCE__* HINSTANCE;
typedef HINSTANCE HMODULE;
#endif
#if PLATFORM(BREWMP)
typedef struct _IFile IFile;
#endif
#if PLATFORM(GTK)
typedef struct _GFileIOStream GFileIOStream;
typedef struct _GModule GModule;
#endif
namespace WebCore {
// PlatformModule
#if PLATFORM(GTK)
typedef GModule* PlatformModule;
#elif OS(WINDOWS)
typedef HMODULE PlatformModule;
#elif PLATFORM(QT)
#if defined(Q_WS_MAC)
typedef CFBundleRef PlatformModule;
#elif !defined(QT_NO_LIBRARY)
typedef QLibrary* PlatformModule;
#else
typedef void* PlatformModule;
#endif
#elif USE(CF)
typedef CFBundleRef PlatformModule;
#else
typedef void* PlatformModule;
#endif
// PlatformModuleVersion
#if OS(WINDOWS)
struct PlatformModuleVersion {
unsigned leastSig;
unsigned mostSig;
PlatformModuleVersion(unsigned)
: leastSig(0)
, mostSig(0)
{
}
PlatformModuleVersion(unsigned lsb, unsigned msb)
: leastSig(lsb)
, mostSig(msb)
{
}
};
#else
typedef unsigned PlatformModuleVersion;
#endif
// PlatformFileHandle
#if PLATFORM(QT)
typedef QFile* PlatformFileHandle;
const PlatformFileHandle invalidPlatformFileHandle = 0;
#elif PLATFORM(GTK)
typedef GFileIOStream* PlatformFileHandle;
const PlatformFileHandle invalidPlatformFileHandle = 0;
#elif OS(WINDOWS)
typedef HANDLE PlatformFileHandle;
// FIXME: -1 is INVALID_HANDLE_VALUE, defined in <winbase.h>. Chromium tries to
// avoid using Windows headers in headers. We'd rather move this into the .cpp.
const PlatformFileHandle invalidPlatformFileHandle = reinterpret_cast<HANDLE>(-1);
#elif PLATFORM(BREWMP)
typedef IFile* PlatformFileHandle;
const PlatformFileHandle invalidPlatformFileHandle = 0;
#elif PLATFORM(WX)
typedef wxFile* PlatformFileHandle;
const PlatformFileHandle invalidPlatformFileHandle = 0;
#else
typedef int PlatformFileHandle;
const PlatformFileHandle invalidPlatformFileHandle = -1;
#endif
enum FileOpenMode {
OpenForRead = 0,
OpenForWrite
};
enum FileSeekOrigin {
SeekFromBeginning = 0,
SeekFromCurrent,
SeekFromEnd
};
#if OS(WINDOWS)
static const char PlatformFilePathSeparator = '\\';
#else
static const char PlatformFilePathSeparator = '/';
#endif
void revealFolderInOS(const String&);
bool fileExists(const String&);
bool deleteFile(const String&);
bool deleteEmptyDirectory(const String&);
bool getFileSize(const String&, long long& result);
bool getFileModificationTime(const String&, time_t& result);
String pathByAppendingComponent(const String& path, const String& component);
bool makeAllDirectories(const String& path);
String homeDirectoryPath();
String pathGetFileName(const String&);
String directoryName(const String&);
bool canExcludeFromBackup(); // Returns true if any file can ever be excluded from backup.
bool excludeFromBackup(const String&); // Returns true if successful.
Vector<String> listDirectory(const String& path, const String& filter = String());
CString fileSystemRepresentation(const String&);
inline bool isHandleValid(const PlatformFileHandle& handle) { return handle != invalidPlatformFileHandle; }
// Prefix is what the filename should be prefixed with, not the full path.
String openTemporaryFile(const String& prefix, PlatformFileHandle&);
PlatformFileHandle openFile(const String& path, FileOpenMode);
void closeFile(PlatformFileHandle&);
// Returns the resulting offset from the beginning of the file if successful, -1 otherwise.
long long seekFile(PlatformFileHandle, long long offset, FileSeekOrigin);
bool truncateFile(PlatformFileHandle, long long offset);
// Returns number of bytes actually read if successful, -1 otherwise.
int writeToFile(PlatformFileHandle, const char* data, int length);
// Returns number of bytes actually written if successful, -1 otherwise.
int readFromFile(PlatformFileHandle, char* data, int length);
// Functions for working with loadable modules.
bool unloadModule(PlatformModule);
// Encode a string for use within a file name.
String encodeForFileName(const String&);
#if USE(CF)
RetainPtr<CFURLRef> pathAsURL(const String&);
#endif
#if PLATFORM(CHROMIUM)
String pathGetDisplayFileName(const String&);
#endif
#if PLATFORM(GTK)
String filenameToString(const char*);
String filenameForDisplay(const String&);
CString applicationDirectoryPath();
#endif
#if PLATFORM(WIN) && !OS(WINCE)
String localUserSpecificStorageDirectory();
String roamingUserSpecificStorageDirectory();
bool safeCreateFile(const String&, CFDataRef);
#endif
} // namespace WebCore
#endif // FileSystem_h
|
