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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef BIN_FILE_H_ | 5 #ifndef BIN_FILE_H_ |
6 #define BIN_FILE_H_ | 6 #define BIN_FILE_H_ |
7 | 7 |
8 #include <stdlib.h> | 8 #include <stdlib.h> |
9 #include <string.h> | 9 #include <string.h> |
10 #include <stdio.h> | 10 #include <stdio.h> |
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49 kCreateRequest = 1, | 49 kCreateRequest = 1, |
50 kDeleteRequest = 2, | 50 kDeleteRequest = 2, |
51 kOpenRequest = 3, | 51 kOpenRequest = 3, |
52 kFullPathRequest = 4, | 52 kFullPathRequest = 4, |
53 kDirectoryRequest = 5, | 53 kDirectoryRequest = 5, |
54 kCloseRequest = 6, | 54 kCloseRequest = 6, |
55 kPositionRequest = 7, | 55 kPositionRequest = 7, |
56 kSetPositionRequest = 8, | 56 kSetPositionRequest = 8, |
57 kTruncateRequest = 9, | 57 kTruncateRequest = 9, |
58 kLengthRequest = 10, | 58 kLengthRequest = 10, |
59 kLengthFromNameRequest = 11, | 59 kLengthFromPathRequest = 11, |
60 kLastModifiedRequest = 12, | 60 kLastModifiedRequest = 12, |
61 kFlushRequest = 13, | 61 kFlushRequest = 13, |
62 kReadByteRequest = 14, | 62 kReadByteRequest = 14, |
63 kWriteByteRequest = 15, | 63 kWriteByteRequest = 15, |
64 kReadRequest = 16, | 64 kReadRequest = 16, |
65 kReadListRequest = 17, | 65 kReadListRequest = 17, |
66 kWriteListRequest = 18 | 66 kWriteListRequest = 18 |
67 }; | 67 }; |
68 | 68 |
69 ~File(); | 69 ~File(); |
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96 | 96 |
97 // Truncate (or extend) the file to the given length in bytes. | 97 // Truncate (or extend) the file to the given length in bytes. |
98 bool Truncate(int64_t length); | 98 bool Truncate(int64_t length); |
99 | 99 |
100 // Flush contents of file. | 100 // Flush contents of file. |
101 bool Flush(); | 101 bool Flush(); |
102 | 102 |
103 // Returns whether the file has been closed. | 103 // Returns whether the file has been closed. |
104 bool IsClosed(); | 104 bool IsClosed(); |
105 | 105 |
106 // Open the file with the given name. The file is always opened for | 106 // Open the file with the given path. The file is always opened for |
107 // reading. If mode contains kWrite the file is opened for both | 107 // reading. If mode contains kWrite the file is opened for both |
108 // reading and writing. If mode contains kWrite and the file does | 108 // reading and writing. If mode contains kWrite and the file does |
109 // not exist the file is created. The file is truncated to length 0 if | 109 // not exist the file is created. The file is truncated to length 0 if |
110 // mode contains kTruncate. | 110 // mode contains kTruncate. |
111 static File* Open(const char* name, FileOpenMode mode); | 111 static File* Open(const char* path, FileOpenMode mode); |
112 | 112 |
113 // Create a file object for the specified stdio file descriptor | 113 // Create a file object for the specified stdio file descriptor |
114 // (stdin, stout or stderr). | 114 // (stdin, stout or stderr). |
115 static File* OpenStdio(int fd); | 115 static File* OpenStdio(int fd); |
116 | 116 |
117 static bool Exists(const char* name); | 117 static bool Exists(const char* path); |
118 static bool Create(const char* name); | 118 static bool Create(const char* path); |
119 static bool Delete(const char* name); | 119 static bool Delete(const char* path); |
120 static off_t LengthFromName(const char* name); | 120 static off_t LengthFromPath(const char* path); |
121 static time_t LastModified(const char* name); | 121 static time_t LastModified(const char* path); |
122 static bool IsAbsolutePath(const char* pathname); | 122 static bool IsAbsolutePath(const char* path); |
123 static char* GetCanonicalPath(const char* name); | 123 static char* GetCanonicalPath(const char* path); |
124 static char* GetContainingDirectory(char* name); | 124 static char* GetContainingDirectory(char* path); |
125 static const char* PathSeparator(); | 125 static const char* PathSeparator(); |
126 static const char* StringEscapedPathSeparator(); | 126 static const char* StringEscapedPathSeparator(); |
127 static StdioHandleType GetStdioHandleType(int fd); | 127 static StdioHandleType GetStdioHandleType(int fd); |
128 | 128 |
129 static FileOpenMode DartModeToFileMode(DartFileOpenMode mode); | 129 static FileOpenMode DartModeToFileMode(DartFileOpenMode mode); |
130 | 130 |
131 static Dart_Port GetServicePort(); | 131 static Dart_Port GetServicePort(); |
132 | 132 |
133 private: | 133 private: |
134 explicit File(FileHandle* handle) : handle_(handle) { } | 134 explicit File(FileHandle* handle) : handle_(handle) { } |
135 void Close(); | 135 void Close(); |
136 | 136 |
137 static const int kClosedFd = -1; | 137 static const int kClosedFd = -1; |
138 | 138 |
139 // FileHandle is an OS specific class which stores data about the file. | 139 // FileHandle is an OS specific class which stores data about the file. |
140 FileHandle* handle_; // OS specific handle for the file. | 140 FileHandle* handle_; // OS specific handle for the file. |
141 | 141 |
142 static NativeService file_service_; | 142 static NativeService file_service_; |
143 | 143 |
144 DISALLOW_COPY_AND_ASSIGN(File); | 144 DISALLOW_COPY_AND_ASSIGN(File); |
145 }; | 145 }; |
146 | 146 |
147 #endif // BIN_FILE_H_ | 147 #endif // BIN_FILE_H_ |
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