1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/files/file.h"
6
7 // TODO(rvargas): remove this (needed for kInvalidPlatformFileValue).
8 #include "base/platform_file.h"
9
10 namespace base {
11
Info()12 File::Info::Info()
13 : size(0),
14 is_directory(false),
15 is_symbolic_link(false) {
16 }
17
~Info()18 File::Info::~Info() {
19 }
20
File()21 File::File()
22 : file_(kInvalidPlatformFileValue),
23 error_details_(FILE_ERROR_FAILED),
24 created_(false),
25 async_(false) {
26 }
27
28 #if !defined(OS_NACL)
File(const FilePath & name,uint32 flags)29 File::File(const FilePath& name, uint32 flags)
30 : file_(kInvalidPlatformFileValue),
31 error_details_(FILE_OK),
32 created_(false),
33 async_(false) {
34 Initialize(name, flags);
35 }
36 #endif
37
File(PlatformFile platform_file)38 File::File(PlatformFile platform_file)
39 : file_(platform_file),
40 error_details_(FILE_OK),
41 created_(false),
42 async_(false) {
43 #if defined(OS_POSIX)
44 DCHECK_GE(platform_file, -1);
45 #endif
46 }
47
File(Error error_details)48 File::File(Error error_details)
49 : file_(kInvalidPlatformFileValue),
50 error_details_(error_details),
51 created_(false),
52 async_(false) {
53 }
54
File(RValue other)55 File::File(RValue other)
56 : file_(other.object->TakePlatformFile()),
57 error_details_(other.object->error_details()),
58 created_(other.object->created()),
59 async_(other.object->async_) {
60 }
61
~File()62 File::~File() {
63 // Go through the AssertIOAllowed logic.
64 Close();
65 }
66
operator =(RValue other)67 File& File::operator=(RValue other) {
68 if (this != other.object) {
69 Close();
70 SetPlatformFile(other.object->TakePlatformFile());
71 error_details_ = other.object->error_details();
72 created_ = other.object->created();
73 async_ = other.object->async_;
74 }
75 return *this;
76 }
77
78 #if !defined(OS_NACL)
Initialize(const FilePath & name,uint32 flags)79 void File::Initialize(const FilePath& name, uint32 flags) {
80 if (name.ReferencesParent()) {
81 error_details_ = FILE_ERROR_ACCESS_DENIED;
82 return;
83 }
84 InitializeUnsafe(name, flags);
85 }
86 #endif
87
ErrorToString(Error error)88 std::string File::ErrorToString(Error error) {
89 switch (error) {
90 case FILE_OK:
91 return "FILE_OK";
92 case FILE_ERROR_FAILED:
93 return "FILE_ERROR_FAILED";
94 case FILE_ERROR_IN_USE:
95 return "FILE_ERROR_IN_USE";
96 case FILE_ERROR_EXISTS:
97 return "FILE_ERROR_EXISTS";
98 case FILE_ERROR_NOT_FOUND:
99 return "FILE_ERROR_NOT_FOUND";
100 case FILE_ERROR_ACCESS_DENIED:
101 return "FILE_ERROR_ACCESS_DENIED";
102 case FILE_ERROR_TOO_MANY_OPENED:
103 return "FILE_ERROR_TOO_MANY_OPENED";
104 case FILE_ERROR_NO_MEMORY:
105 return "FILE_ERROR_NO_MEMORY";
106 case FILE_ERROR_NO_SPACE:
107 return "FILE_ERROR_NO_SPACE";
108 case FILE_ERROR_NOT_A_DIRECTORY:
109 return "FILE_ERROR_NOT_A_DIRECTORY";
110 case FILE_ERROR_INVALID_OPERATION:
111 return "FILE_ERROR_INVALID_OPERATION";
112 case FILE_ERROR_SECURITY:
113 return "FILE_ERROR_SECURITY";
114 case FILE_ERROR_ABORT:
115 return "FILE_ERROR_ABORT";
116 case FILE_ERROR_NOT_A_FILE:
117 return "FILE_ERROR_NOT_A_FILE";
118 case FILE_ERROR_NOT_EMPTY:
119 return "FILE_ERROR_NOT_EMPTY";
120 case FILE_ERROR_INVALID_URL:
121 return "FILE_ERROR_INVALID_URL";
122 case FILE_ERROR_IO:
123 return "FILE_ERROR_IO";
124 case FILE_ERROR_MAX:
125 break;
126 }
127
128 NOTREACHED();
129 return "";
130 }
131
132 } // namespace base
133