DictionaryExtensions.cs revision 324c4644fee44b9898524c09511bd33c3f12e2df
1324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver/* 2324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * [The "BSD licence"] 3324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2005-2008 Terence Parr 4324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * All rights reserved. 5324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 6324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Conversion to C#: 7324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Copyright (c) 2008 Sam Harwell, Pixel Mine, Inc. 8324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * All rights reserved. 9324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 10324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * Redistribution and use in source and binary forms, with or without 11324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * modification, are permitted provided that the following conditions 12324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * are met: 13324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 1. Redistributions of source code must retain the above copyright 14324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * notice, this list of conditions and the following disclaimer. 15324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 2. Redistributions in binary form must reproduce the above copyright 16324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * notice, this list of conditions and the following disclaimer in the 17324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * documentation and/or other materials provided with the distribution. 18324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 3. The name of the author may not be used to endorse or promote products 19324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * derived from this software without specific prior written permission. 20324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * 21324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver */ 32324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 33324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverusing System; 34324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverusing System.Collections.Generic; 35324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver//#if DEBUG 36324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver//using System.Linq; 37324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver//#endif 38324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 39324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruverusing IDictionary = System.Collections.IDictionary; 40324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 41324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruvernamespace Antlr.Runtime.JavaExtensions { 42324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static class DictionaryExtensions { 43324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#if DEBUG 44324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 45324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static bool containsKey(IDictionary map, object key) { 46324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return map.Contains(key); 47324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 48324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 49324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 50324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static object get(IDictionary map, object key) { 51324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return map[key]; 52324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 53324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#endif 54324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 55324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static TValue get<TKey, TValue>(IDictionary<TKey, TValue> map, TKey key) { 56324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver TValue value; 57324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (map.TryGetValue(key, out value)) 58324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return value; 59324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 60324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (typeof(TValue).IsValueType) 61324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver throw new KeyNotFoundException(); 62324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 63324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return default(TValue); 64324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 65324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 66324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver // disambiguates 67324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static TValue get<TKey, TValue>(Dictionary<TKey, TValue> map, TKey key) { 68324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver TValue value; 69324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (map.TryGetValue(key, out value)) 70324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return value; 71324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 72324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (typeof(TValue).IsValueType) 73324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver throw new KeyNotFoundException(); 74324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 75324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return default(TValue); 76324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 77324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 78324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static TValue get<TKey, TValue>(SortedList<TKey, TValue> map, TKey key) { 79324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver TValue value; 80324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (map.TryGetValue(key, out value)) 81324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return value; 82324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 83324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver if (typeof(TValue).IsValueType) 84324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver throw new KeyNotFoundException(); 85324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 86324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return default(TValue); 87324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 88324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 89324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#if DEBUG 90324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 91324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static void put(IDictionary map, object key, object value) { 92324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver map[key] = value; 93324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 94324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 95324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 96324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static void put<TKey, TValue>(IDictionary<TKey, TValue> map, TKey key, TValue value) { 97324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver map[key] = value; 98324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 99324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 100324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 101324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static void put<TKey, TValue>(Dictionary<TKey, TValue> map, TKey key, TValue value) { 102324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver map[key] = value; 103324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 104324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#if FALSE 105324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 106324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static HashSet<object> keySet(IDictionary map) { 107324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return new HashSet<object>(map.Keys.Cast<object>()); 108324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 109324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 110324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 111324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static HashSet<TKey> keySet<TKey, TValue>(IDictionary<TKey, TValue> map) { 112324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return new HashSet<TKey>(map.Keys); 113324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 114324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 115324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver // disambiguates for Dictionary, which implements both IDictionary<T,K> and IDictionary 116324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 117324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static HashSet<TKey> keySet<TKey, TValue>(Dictionary<TKey, TValue> map) { 118324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return new HashSet<TKey>(map.Keys); 119324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 120324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver 121324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver [Obsolete] 122324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver public static HashSet<object> keySet<TKey, TValue>(SortedList<TKey, TValue> map) { 123324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver return new HashSet<object>(map.Keys.Cast<object>()); 124324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 125324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#endif 126324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver#endif 127324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver } 128324c4644fee44b9898524c09511bd33c3f12e2dfBen Gruver} 129