hondacrx
130 lines
3.5 KiB
C#
130 lines
3.5 KiB
C#
/*
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* Copyright (C) 2012-2018 CypherCore <http://github.com/CypherCore>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace System.Collections.Generic
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{
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public class MultiMapEnumerator<TKey, TValue> : IEnumerator<KeyValuePair<TKey, TValue>>
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{
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MultiMap<TKey, TValue> _map;
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IEnumerator<TKey> _keyEnumerator;
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IEnumerator<TValue> _valueEnumerator;
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public MultiMapEnumerator(MultiMap<TKey, TValue> map)
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{
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_map = map;
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Reset();
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}
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object IEnumerator.Current
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{
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get
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{
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return Current;
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}
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}
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public KeyValuePair<TKey, TValue> Current
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{
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get
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{
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return new KeyValuePair<TKey, TValue>(_keyEnumerator.Current, _valueEnumerator.Current);
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}
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}
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public void Dispose()
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{
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_keyEnumerator = null;
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_valueEnumerator = null;
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_map = null;
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}
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public bool MoveNext()
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{
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if (!_valueEnumerator.MoveNext())
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{
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if (!_keyEnumerator.MoveNext())
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return false;
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_valueEnumerator = _map[_keyEnumerator.Current].GetEnumerator();
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_valueEnumerator.MoveNext();
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return true;
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}
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return true;
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}
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public void Reset()
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{
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_keyEnumerator = _map.Keys.GetEnumerator();
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_valueEnumerator = new List<TValue>().GetEnumerator();
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}
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}
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public class SortedMultiMapEnumerator<TKey, TValue> : IEnumerator<KeyValuePair<TKey, TValue>>
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{
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SortedMultiMap<TKey, TValue> _map;
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IEnumerator<TKey> _keyEnumerator;
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IEnumerator<TValue> _valueEnumerator;
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public SortedMultiMapEnumerator(SortedMultiMap<TKey, TValue> map)
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{
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_map = map;
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Reset();
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}
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object IEnumerator.Current
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{
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get
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{
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return Current;
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}
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}
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public KeyValuePair<TKey, TValue> Current
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{
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get
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{
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return new KeyValuePair<TKey, TValue>(_keyEnumerator.Current, _valueEnumerator.Current);
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}
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}
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public void Dispose()
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{
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_keyEnumerator = null;
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_valueEnumerator = null;
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_map = null;
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}
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public bool MoveNext()
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{
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if (!_valueEnumerator.MoveNext())
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{
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if (!_keyEnumerator.MoveNext())
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return false;
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_valueEnumerator = _map[_keyEnumerator.Current].GetEnumerator();
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_valueEnumerator.MoveNext();
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return true;
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}
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return true;
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}
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public void Reset()
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{
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_keyEnumerator = _map.Keys.GetEnumerator();
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_valueEnumerator = new List<TValue>().GetEnumerator();
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}
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}
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}
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