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