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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 part of dart.io; | 5 part of dart.io; |
6 | 6 |
7 // Constants used when working with native ports. | 7 // Constants used when working with native ports. |
8 // These must match the constants in runtime/bin/dartutils.h class CObject. | 8 // These must match the constants in runtime/bin/dartutils.h class CObject. |
9 const int _SUCCESS_RESPONSE = 0; | 9 const int _SUCCESS_RESPONSE = 0; |
10 const int _ILLEGAL_ARGUMENT_RESPONSE = 1; | 10 const int _ILLEGAL_ARGUMENT_RESPONSE = 1; |
11 const int _OSERROR_RESPONSE = 2; | 11 const int _OSERROR_RESPONSE = 2; |
12 const int _FILE_CLOSED_RESPONSE = 3; | 12 const int _FILE_CLOSED_RESPONSE = 3; |
13 | 13 |
14 const int _ERROR_RESPONSE_ERROR_TYPE = 0; | 14 const int _ERROR_RESPONSE_ERROR_TYPE = 0; |
15 const int _OSERROR_RESPONSE_ERROR_CODE = 1; | 15 const int _OSERROR_RESPONSE_ERROR_CODE = 1; |
16 const int _OSERROR_RESPONSE_MESSAGE = 2; | 16 const int _OSERROR_RESPONSE_MESSAGE = 2; |
17 | 17 |
18 // Functions used to receive exceptions from native ports. | 18 // Functions used to receive exceptions from native ports. |
19 bool _isErrorResponse(response) => | 19 bool _isErrorResponse(response) => |
20 response is List && response[0] != _SUCCESS_RESPONSE; | 20 response is List && response[0] != _SUCCESS_RESPONSE; |
21 | 21 |
22 /** | 22 /** |
23 * Returns an Exception or an Error | 23 * Returns an Exception or an Error |
24 */ | 24 */ |
25 _exceptionFromResponse(response, String message, String path) { | 25 _exceptionFromResponse(response, String message, String path) { |
26 assert(_isErrorResponse(response)); | 26 assert(_isErrorResponse(response)); |
27 switch (response[_ERROR_RESPONSE_ERROR_TYPE]) { | 27 switch (response[_ERROR_RESPONSE_ERROR_TYPE]) { |
28 case _ILLEGAL_ARGUMENT_RESPONSE: | 28 case _ILLEGAL_ARGUMENT_RESPONSE: |
29 return new ArgumentError(); | 29 return new ArgumentError("$message: $path"); |
30 case _OSERROR_RESPONSE: | 30 case _OSERROR_RESPONSE: |
31 var err = new OSError(response[_OSERROR_RESPONSE_MESSAGE], | 31 var err = new OSError(response[_OSERROR_RESPONSE_MESSAGE], |
32 response[_OSERROR_RESPONSE_ERROR_CODE]); | 32 response[_OSERROR_RESPONSE_ERROR_CODE]); |
33 return new FileSystemException(message, path, err); | 33 return new FileSystemException(message, path, err); |
34 case _FILE_CLOSED_RESPONSE: | 34 case _FILE_CLOSED_RESPONSE: |
35 return new FileSystemException("File closed", path); | 35 return new FileSystemException("File closed", path); |
36 default: | 36 default: |
37 return new Exception("Unknown error"); | 37 return new Exception("Unknown error"); |
38 } | 38 } |
39 } | 39 } |
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115 newBuffer[i] = value; | 115 newBuffer[i] = value; |
116 j++; | 116 j++; |
117 } | 117 } |
118 return new _BufferAndStart(newBuffer, 0); | 118 return new _BufferAndStart(newBuffer, 0); |
119 } | 119 } |
120 | 120 |
121 | 121 |
122 class _IOCrypto { | 122 class _IOCrypto { |
123 external static Uint8List getRandomBytes(int count); | 123 external static Uint8List getRandomBytes(int count); |
124 } | 124 } |
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