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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 /** | 7 /** |
8 * The [Platform] class exposes details of the machine and operating | 8 * The [Platform] class exposes details of the machine and operating |
9 * system. | 9 * system. |
10 */ | 10 */ |
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56 static bool get isWindows => _operatingSystem == "windows"; | 56 static bool get isWindows => _operatingSystem == "windows"; |
57 | 57 |
58 /** | 58 /** |
59 * Returns true if the operating system is Android. | 59 * Returns true if the operating system is Android. |
60 */ | 60 */ |
61 static bool get isAndroid => _operatingSystem == "android"; | 61 static bool get isAndroid => _operatingSystem == "android"; |
62 | 62 |
63 /** | 63 /** |
64 * Get the environment for this process. | 64 * Get the environment for this process. |
65 * | 65 * |
| 66 * The returned environment is a unmodifiable map which content is |
| 67 * retrieved from the operating system on its first use. |
| 68 * |
66 * Environment variables on Windows are case-insensitive. The map | 69 * Environment variables on Windows are case-insensitive. The map |
67 * returned on Windows is therefore case-insensitive and will convert | 70 * returned on Windows is therefore case-insensitive and will convert |
68 * all keys to upper case. On other platforms the returned map is | 71 * all keys to upper case. On other platforms the returned map is |
69 * a standard case-sensitive map. | 72 * a standard case-sensitive map. |
70 */ | 73 */ |
71 static Map<String, String> get environment => _Platform.environment; | 74 static Map<String, String> get environment => _Platform.environment; |
72 | 75 |
73 /** | 76 /** |
74 * Returns the path of the executable used to run the script in this | 77 * Returns the path of the executable used to run the script in this |
75 * isolate. | 78 * isolate. |
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112 * | 115 * |
113 * If there is no --package-root flag, then the empty string is returned. | 116 * If there is no --package-root flag, then the empty string is returned. |
114 */ | 117 */ |
115 static String get packageRoot => _Platform.packageRoot; | 118 static String get packageRoot => _Platform.packageRoot; |
116 | 119 |
117 /** | 120 /** |
118 * Returns the version of the current Dart runtime. | 121 * Returns the version of the current Dart runtime. |
119 */ | 122 */ |
120 static String get version => _version; | 123 static String get version => _version; |
121 } | 124 } |
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