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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.core; | 5 part of dart.core; |
6 | 6 |
7 /** | 7 /** |
8 * A parsed URI, such as a URL. | 8 * A parsed URI, such as a URL. |
9 * | 9 * |
10 * **See also:** | 10 * **See also:** |
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719 * has been decoded. If there is no query the empty map is returned. | 719 * has been decoded. If there is no query the empty map is returned. |
720 * | 720 * |
721 * Keys in the query string that have no value are mapped to the | 721 * Keys in the query string that have no value are mapped to the |
722 * empty string. | 722 * empty string. |
723 * | 723 * |
724 * The returned map is unmodifiable and will throw [UnsupportedError] on any | 724 * The returned map is unmodifiable and will throw [UnsupportedError] on any |
725 * calls that would mutate it. | 725 * calls that would mutate it. |
726 */ | 726 */ |
727 Map<String, String> get queryParameters { | 727 Map<String, String> get queryParameters { |
728 if (_queryParameters == null) { | 728 if (_queryParameters == null) { |
729 _queryParameters = new _UnmodifiableMap(splitQueryString(query)); | 729 _queryParameters = new UnmodifiableMapView(splitQueryString(query)); |
730 } | 730 } |
731 return _queryParameters; | 731 return _queryParameters; |
732 } | 732 } |
733 | 733 |
734 static String _makeHost(String host) { | 734 static String _makeHost(String host) { |
735 if (host == null || host.isEmpty) return host; | 735 if (host == null || host.isEmpty) return host; |
736 if (host.codeUnitAt(0) == _LEFT_BRACKET) { | 736 if (host.codeUnitAt(0) == _LEFT_BRACKET) { |
737 if (host.codeUnitAt(host.length - 1) != _RIGHT_BRACKET) { | 737 if (host.codeUnitAt(host.length - 1) != _RIGHT_BRACKET) { |
738 throw new FormatException('Missing end `]` to match `[` in host'); | 738 throw new FormatException('Missing end `]` to match `[` in host'); |
739 } | 739 } |
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1842 0xafff, // 0x30 - 0x3f 1111111111110101 | 1842 0xafff, // 0x30 - 0x3f 1111111111110101 |
1843 // @ABCDEFGHIJKLMNO | 1843 // @ABCDEFGHIJKLMNO |
1844 0xffff, // 0x40 - 0x4f 1111111111111111 | 1844 0xffff, // 0x40 - 0x4f 1111111111111111 |
1845 // PQRSTUVWXYZ _ | 1845 // PQRSTUVWXYZ _ |
1846 0x87ff, // 0x50 - 0x5f 1111111111100001 | 1846 0x87ff, // 0x50 - 0x5f 1111111111100001 |
1847 // abcdefghijklmno | 1847 // abcdefghijklmno |
1848 0xfffe, // 0x60 - 0x6f 0111111111111111 | 1848 0xfffe, // 0x60 - 0x6f 0111111111111111 |
1849 // pqrstuvwxyz ~ | 1849 // pqrstuvwxyz ~ |
1850 0x47ff]; // 0x70 - 0x7f 1111111111100010 | 1850 0x47ff]; // 0x70 - 0x7f 1111111111100010 |
1851 } | 1851 } |
1852 | |
1853 class _UnmodifiableMap<K, V> implements Map<K, V> { | |
1854 final Map _map; | |
1855 const _UnmodifiableMap(this._map); | |
1856 | |
1857 bool containsValue(Object value) => _map.containsValue(value); | |
1858 bool containsKey(Object key) => _map.containsKey(key); | |
1859 V operator [](Object key) => _map[key]; | |
1860 void operator []=(K key, V value) { | |
1861 throw new UnsupportedError("Cannot modify an unmodifiable map"); | |
1862 } | |
1863 V putIfAbsent(K key, V ifAbsent()) { | |
1864 throw new UnsupportedError("Cannot modify an unmodifiable map"); | |
1865 } | |
1866 addAll(Map other) { | |
1867 throw new UnsupportedError("Cannot modify an unmodifiable map"); | |
1868 } | |
1869 V remove(Object key) { | |
1870 throw new UnsupportedError("Cannot modify an unmodifiable map"); | |
1871 } | |
1872 void clear() { | |
1873 throw new UnsupportedError("Cannot modify an unmodifiable map"); | |
1874 } | |
1875 void forEach(void f(K key, V value)) => _map.forEach(f); | |
1876 Iterable<K> get keys => _map.keys; | |
1877 Iterable<V> get values => _map.values; | |
1878 int get length => _map.length; | |
1879 bool get isEmpty => _map.isEmpty; | |
1880 bool get isNotEmpty => _map.isNotEmpty; | |
1881 } | |
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