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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 /** | 5 /** |
6 * Message/plural format library with locale support. This can have different | 6 * Message/plural format library with locale support. This can have different |
7 * implementations based on the mechanism for finding the localized versions | 7 * implementations based on the mechanism for finding the localized versions |
8 * of messages. This version expects them to be in a library named e.g. | 8 * of messages. This version expects them to be in a library named e.g. |
9 * 'messages_en_US'. The prefix is set in the "initializeMessages" call, which | 9 * 'messages_en_US'. The prefix is set in the "initializeMessages" call, which |
10 * must be made for a locale before any lookups can be done. | 10 * must be made for a locale before any lookups can be done. |
11 * | 11 * |
12 * See Intl class comment or `tests/message_format_test.dart` for more examples. | 12 * See Intl class comment or `tests/message_format_test.dart` for more examples. |
13 */ | 13 */ |
14 library message_lookup_by_library; | 14 library message_lookup_by_library; |
15 | 15 |
16 import 'dart:async'; | |
17 import 'intl.dart'; | 16 import 'intl.dart'; |
18 import 'src/intl_helpers.dart'; | |
19 | 17 |
20 /** | 18 /** |
21 * This is a message lookup mechanism that delegates to one of a collection | 19 * This is a message lookup mechanism that delegates to one of a collection |
22 * of individual [MessageLookupByLibrary] instances. | 20 * of individual [MessageLookupByLibrary] instances. |
23 */ | 21 */ |
24 class CompositeMessageLookup { | 22 class CompositeMessageLookup { |
25 /** A map from locale names to the corresponding lookups. */ | 23 /** A map from locale names to the corresponding lookups. */ |
26 Map<String, MessageLookupByLibrary> availableMessages = new Map(); | 24 Map<String, MessageLookupByLibrary> availableMessages = new Map(); |
27 | 25 |
28 /** Return true if we have a message lookup for [localeName]. */ | 26 /** Return true if we have a message lookup for [localeName]. */ |
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125 * Subclasses should override this to return a list of their message | 123 * Subclasses should override this to return a list of their message |
126 * functions. | 124 * functions. |
127 */ | 125 */ |
128 Map<String, Function> get messages; | 126 Map<String, Function> get messages; |
129 | 127 |
130 /** Subclasses should override this to return their locale, e.g. 'en_US' */ | 128 /** Subclasses should override this to return their locale, e.g. 'en_US' */ |
131 String get localeName; | 129 String get localeName; |
132 | 130 |
133 toString() => localeName; | 131 toString() => localeName; |
134 } | 132 } |
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