Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / Collections / Generic / SortedDictionary.cs / 1305376 / SortedDictionary.cs
namespace System.Collections.Generic { using System; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.Runtime.Serialization; [Serializable] [DebuggerTypeProxy(typeof(System_DictionaryDebugView<,>))] [DebuggerDisplay("Count = {Count}")] public class SortedDictionary: IDictionary , IDictionary { [NonSerialized] private KeyCollection keys; [NonSerialized] private ValueCollection values; private TreeSet > _set; public SortedDictionary() : this((IComparer )null) { } public SortedDictionary(IDictionary dictionary) : this( dictionary, null) { } public SortedDictionary(IDictionary dictionary, IComparer comparer) { if( dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } _set = new TreeSet >(new KeyValuePairComparer(comparer)); foreach(KeyValuePair pair in dictionary) { _set.Add(pair); } } public SortedDictionary(IComparer comparer) { _set = new TreeSet >(new KeyValuePairComparer(comparer)); } void ICollection >.Add(KeyValuePair keyValuePair) { _set.Add(keyValuePair); } bool ICollection >.Contains(KeyValuePair keyValuePair) { TreeSet >.Node node = _set.FindNode(keyValuePair); if ( node == null) { return false; } if( keyValuePair.Value == null) { return node.Item.Value == null; } else { return EqualityComparer .Default.Equals(node.Item.Value, keyValuePair.Value); } } bool ICollection >.Remove(KeyValuePair keyValuePair) { TreeSet >.Node node = _set.FindNode(keyValuePair); if ( node == null) { return false; } if( EqualityComparer .Default.Equals(node.Item.Value, keyValuePair.Value)) { _set.Remove(keyValuePair); return true; } return false; } bool ICollection >.IsReadOnly { get { return false; } } public TValue this[TKey key] { get { if ( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { ThrowHelper.ThrowKeyNotFoundException(); } return node.Item.Value; } set { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { _set.Add(new KeyValuePair (key, value)); } else { node.Item = new KeyValuePair ( node.Item.Key, value); _set.UpdateVersion(); } } } public int Count { get { return _set.Count; } } public IComparer Comparer { get { return ((KeyValuePairComparer)_set.Comparer).keyComparer; } } public KeyCollection Keys { get { if (keys == null) keys = new KeyCollection(this); return keys; } } ICollection IDictionary .Keys { get { return Keys; } } public ValueCollection Values { get { if (values == null) values = new ValueCollection(this); return values; } } ICollection IDictionary .Values { get { return Values; } } public void Add(TKey key, TValue value) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } _set.Add(new KeyValuePair (key, value)); } public void Clear() { _set.Clear(); } public bool ContainsKey(TKey key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return _set.Contains(new KeyValuePair (key, default(TValue))); } public bool ContainsValue(TValue value) { bool found = false; if( value == null) { _set.InOrderTreeWalk( delegate(TreeSet >.Node node) { if(node.Item.Value == null) { found = true; return false; // stop the walk } return true; }); } else { EqualityComparer valueComparer = EqualityComparer .Default; _set.InOrderTreeWalk( delegate(TreeSet >.Node node) { if(valueComparer.Equals(node.Item.Value, value)) { found = true; return false; // stop the walk } return true; }); } return found; } public void CopyTo(KeyValuePair [] array, int index) { _set.CopyTo(array, index); } public Enumerator GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } IEnumerator > IEnumerable >.GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } public bool Remove(TKey key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return _set.Remove(new KeyValuePair (key, default(TValue))); } public bool TryGetValue( TKey key, out TValue value) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { value = default(TValue); return false; } value = node.Item.Value; return true; } void ICollection.CopyTo(Array array, int index) { ((ICollection)_set).CopyTo(array, index); } bool IDictionary.IsFixedSize { get { return false; } } bool IDictionary.IsReadOnly { get { return false; } } ICollection IDictionary.Keys { get { return (ICollection)Keys; } } ICollection IDictionary.Values { get { return (ICollection)Values; } } object IDictionary.this[object key] { get { if( IsCompatibleKey(key)) { TValue value; if( TryGetValue((TKey)key, out value)) { return value; } } return null; } set { if (key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } ThrowHelper.IfNullAndNullsAreIllegalThenThrow (value, ExceptionArgument.value); try { TKey tempKey = (TKey)key; try { this[tempKey] = (TValue)value; } catch (InvalidCastException) { ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue)); } } catch (InvalidCastException) { ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey)); } } } void IDictionary.Add(object key, object value) { if (key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } ThrowHelper.IfNullAndNullsAreIllegalThenThrow (value, ExceptionArgument.value); try { TKey tempKey = (TKey)key; try { Add(tempKey, (TValue)value); } catch (InvalidCastException) { ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue)); } } catch (InvalidCastException) { ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey)); } } bool IDictionary.Contains(object key) { if(IsCompatibleKey(key)) { return ContainsKey((TKey)key); } return false; } private static bool IsCompatibleKey(object key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return (key is TKey); } IDictionaryEnumerator IDictionary.GetEnumerator() { return new Enumerator(this, Enumerator.DictEntry); } void IDictionary.Remove(object key) { if(IsCompatibleKey(key)) { Remove((TKey)key); } } bool ICollection.IsSynchronized { get { return false; } } object ICollection.SyncRoot { get { return ((ICollection)_set).SyncRoot; } } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator >, IDictionaryEnumerator { private TreeSet >.Enumerator treeEnum; private int getEnumeratorRetType; // What should Enumerator.Current return? internal const int KeyValuePair = 1; internal const int DictEntry = 2; internal Enumerator(SortedDictionary dictionary, int getEnumeratorRetType) { treeEnum = dictionary._set.GetEnumerator(); this.getEnumeratorRetType = getEnumeratorRetType; } public bool MoveNext() { return treeEnum.MoveNext(); } public void Dispose() { treeEnum.Dispose(); } public KeyValuePair Current { get { return treeEnum.Current; } } internal bool NotStartedOrEnded { get { return treeEnum.NotStartedOrEnded; } } internal void Reset() { treeEnum.Reset(); } void IEnumerator.Reset() { treeEnum.Reset(); } object IEnumerator.Current { get { if( NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } if (getEnumeratorRetType == DictEntry) { return new DictionaryEntry(Current.Key, Current.Value); } else { return new KeyValuePair (Current.Key, Current.Value); } } } object IDictionaryEnumerator.Key { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current.Key; } } object IDictionaryEnumerator.Value { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current.Value; } } DictionaryEntry IDictionaryEnumerator.Entry { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return new DictionaryEntry(Current.Key, Current.Value); } } } [DebuggerTypeProxy(typeof(System_DictionaryKeyCollectionDebugView<,>))] [DebuggerDisplay("Count = {Count}")] [Serializable] public sealed class KeyCollection: ICollection , ICollection { private SortedDictionary dictionary; public KeyCollection(SortedDictionary dictionary) { if (dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } this.dictionary = dictionary; } public Enumerator GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable .GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(dictionary); } public void CopyTo(TKey[] array, int index) { if (array == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (index < 0) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index); } if (array.Length - index < Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ array[index++] = node.Item.Key; return true;}); } void ICollection.CopyTo(Array array, int index) { if (array==null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (array.Rank != 1) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported); } if( array.GetLowerBound(0) != 0 ) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound); } if (index < 0 ) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum); } if (array.Length - index < dictionary.Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } TKey[] keys = array as TKey[]; if (keys != null) { CopyTo(keys, index); } else { object[] objects = (object[])array; if (objects == null) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } try { dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ objects[index++] = node.Item.Key; return true;}); } catch(ArrayTypeMismatchException) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } } } public int Count { get { return dictionary.Count;} } bool ICollection .IsReadOnly { get { return true;} } void ICollection .Add(TKey item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); } void ICollection .Clear(){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); } bool ICollection .Contains(TKey item){ return dictionary.ContainsKey(item); } bool ICollection .Remove(TKey item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); return false; } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return ((ICollection)dictionary).SyncRoot; } } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator , IEnumerator { private SortedDictionary .Enumerator dictEnum; internal Enumerator(SortedDictionary dictionary) { dictEnum = dictionary.GetEnumerator(); } public void Dispose() { dictEnum.Dispose(); } public bool MoveNext() { return dictEnum.MoveNext(); } public TKey Current { get { return dictEnum.Current.Key; } } object IEnumerator.Current { get { if( dictEnum.NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current; } } void IEnumerator.Reset() { dictEnum.Reset(); } } } [DebuggerTypeProxy(typeof(System_DictionaryValueCollectionDebugView<,>))] [DebuggerDisplay("Count = {Count}")] [Serializable] public sealed class ValueCollection: ICollection , ICollection { private SortedDictionary dictionary; public ValueCollection(SortedDictionary dictionary) { if (dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } this.dictionary = dictionary; } public Enumerator GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable .GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(dictionary); } public void CopyTo(TValue[] array, int index) { if (array == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (index < 0 ) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index); } if (array.Length - index < Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ array[index++] = node.Item.Value; return true;}); } void ICollection.CopyTo(Array array, int index) { if (array==null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (array.Rank != 1) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported); } if( array.GetLowerBound(0) != 0 ) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound); } if (index < 0) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum); } if (array.Length - index < dictionary.Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } TValue[] values = array as TValue[]; if (values != null) { CopyTo(values, index); } else { object[] objects = (object[])array; if (objects == null) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } try { dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ objects[index++] = node.Item.Value; return true;}); } catch(ArrayTypeMismatchException) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } } } public int Count { get { return dictionary.Count;} } bool ICollection .IsReadOnly { get { return true;} } void ICollection .Add(TValue item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); } void ICollection .Clear(){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); } bool ICollection .Contains(TValue item){ return dictionary.ContainsValue(item); } bool ICollection .Remove(TValue item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); return false; } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return ((ICollection)dictionary).SyncRoot; } } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator , IEnumerator { private SortedDictionary .Enumerator dictEnum; internal Enumerator(SortedDictionary dictionary) { dictEnum = dictionary.GetEnumerator(); } public void Dispose() { dictEnum.Dispose(); } public bool MoveNext() { return dictEnum.MoveNext(); } public TValue Current { get { return dictEnum.Current.Value; } } object IEnumerator.Current { get { if( dictEnum.NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current; } } void IEnumerator.Reset() { dictEnum.Reset(); } } } [Serializable] internal class KeyValuePairComparer : Comparer > { internal IComparer keyComparer; public KeyValuePairComparer(IComparer keyComparer) { if ( keyComparer == null) { this.keyComparer = Comparer .Default; } else { this.keyComparer = keyComparer; } } public override int Compare( KeyValuePair x, KeyValuePair y) { return keyComparer.Compare(x.Key, y.Key); } } } /// /// This class is intended as a helper for backwards compatibility with existing SortedDictionaries. /// TreeSet has been converted into SortedSet ///, which will be exposed publicly. SortedDictionaries /// have the problem where they have already been serialized to disk as having a backing class named /// TreeSet. To ensure that we can read back anything that has already been written to disk, we need to /// make sure that we have a class named TreeSet that does everything the way it used to. /// /// The only thing that makes it different from SortedSet is that it throws on duplicates /// [Serializable] internal class TreeSet : SortedSet { public TreeSet() : base() { } public TreeSet(IComparer comparer) : base(comparer) { } public TreeSet(ICollection collection) : base(collection) { } public TreeSet(ICollection collection, IComparer comparer) : base(collection, comparer) { } public TreeSet(SerializationInfo siInfo, StreamingContext context) : base(siInfo, context) { } internal override bool AddIfNotPresent(T item) { bool ret = base.AddIfNotPresent(item); if (!ret) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_AddingDuplicate); } return ret; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. namespace System.Collections.Generic { using System; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.Runtime.Serialization; [Serializable] [DebuggerTypeProxy(typeof(System_DictionaryDebugView<,>))] [DebuggerDisplay("Count = {Count}")] public class SortedDictionary : IDictionary , IDictionary { [NonSerialized] private KeyCollection keys; [NonSerialized] private ValueCollection values; private TreeSet > _set; public SortedDictionary() : this((IComparer )null) { } public SortedDictionary(IDictionary dictionary) : this( dictionary, null) { } public SortedDictionary(IDictionary dictionary, IComparer comparer) { if( dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } _set = new TreeSet >(new KeyValuePairComparer(comparer)); foreach(KeyValuePair pair in dictionary) { _set.Add(pair); } } public SortedDictionary(IComparer comparer) { _set = new TreeSet >(new KeyValuePairComparer(comparer)); } void ICollection >.Add(KeyValuePair keyValuePair) { _set.Add(keyValuePair); } bool ICollection >.Contains(KeyValuePair keyValuePair) { TreeSet >.Node node = _set.FindNode(keyValuePair); if ( node == null) { return false; } if( keyValuePair.Value == null) { return node.Item.Value == null; } else { return EqualityComparer .Default.Equals(node.Item.Value, keyValuePair.Value); } } bool ICollection >.Remove(KeyValuePair keyValuePair) { TreeSet >.Node node = _set.FindNode(keyValuePair); if ( node == null) { return false; } if( EqualityComparer .Default.Equals(node.Item.Value, keyValuePair.Value)) { _set.Remove(keyValuePair); return true; } return false; } bool ICollection >.IsReadOnly { get { return false; } } public TValue this[TKey key] { get { if ( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { ThrowHelper.ThrowKeyNotFoundException(); } return node.Item.Value; } set { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { _set.Add(new KeyValuePair (key, value)); } else { node.Item = new KeyValuePair ( node.Item.Key, value); _set.UpdateVersion(); } } } public int Count { get { return _set.Count; } } public IComparer Comparer { get { return ((KeyValuePairComparer)_set.Comparer).keyComparer; } } public KeyCollection Keys { get { if (keys == null) keys = new KeyCollection(this); return keys; } } ICollection IDictionary .Keys { get { return Keys; } } public ValueCollection Values { get { if (values == null) values = new ValueCollection(this); return values; } } ICollection IDictionary .Values { get { return Values; } } public void Add(TKey key, TValue value) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } _set.Add(new KeyValuePair (key, value)); } public void Clear() { _set.Clear(); } public bool ContainsKey(TKey key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return _set.Contains(new KeyValuePair (key, default(TValue))); } public bool ContainsValue(TValue value) { bool found = false; if( value == null) { _set.InOrderTreeWalk( delegate(TreeSet >.Node node) { if(node.Item.Value == null) { found = true; return false; // stop the walk } return true; }); } else { EqualityComparer valueComparer = EqualityComparer .Default; _set.InOrderTreeWalk( delegate(TreeSet >.Node node) { if(valueComparer.Equals(node.Item.Value, value)) { found = true; return false; // stop the walk } return true; }); } return found; } public void CopyTo(KeyValuePair [] array, int index) { _set.CopyTo(array, index); } public Enumerator GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } IEnumerator > IEnumerable >.GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } public bool Remove(TKey key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return _set.Remove(new KeyValuePair (key, default(TValue))); } public bool TryGetValue( TKey key, out TValue value) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } TreeSet >.Node node = _set.FindNode(new KeyValuePair (key, default(TValue))); if ( node == null) { value = default(TValue); return false; } value = node.Item.Value; return true; } void ICollection.CopyTo(Array array, int index) { ((ICollection)_set).CopyTo(array, index); } bool IDictionary.IsFixedSize { get { return false; } } bool IDictionary.IsReadOnly { get { return false; } } ICollection IDictionary.Keys { get { return (ICollection)Keys; } } ICollection IDictionary.Values { get { return (ICollection)Values; } } object IDictionary.this[object key] { get { if( IsCompatibleKey(key)) { TValue value; if( TryGetValue((TKey)key, out value)) { return value; } } return null; } set { if (key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } ThrowHelper.IfNullAndNullsAreIllegalThenThrow (value, ExceptionArgument.value); try { TKey tempKey = (TKey)key; try { this[tempKey] = (TValue)value; } catch (InvalidCastException) { ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue)); } } catch (InvalidCastException) { ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey)); } } } void IDictionary.Add(object key, object value) { if (key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } ThrowHelper.IfNullAndNullsAreIllegalThenThrow (value, ExceptionArgument.value); try { TKey tempKey = (TKey)key; try { Add(tempKey, (TValue)value); } catch (InvalidCastException) { ThrowHelper.ThrowWrongValueTypeArgumentException(value, typeof(TValue)); } } catch (InvalidCastException) { ThrowHelper.ThrowWrongKeyTypeArgumentException(key, typeof(TKey)); } } bool IDictionary.Contains(object key) { if(IsCompatibleKey(key)) { return ContainsKey((TKey)key); } return false; } private static bool IsCompatibleKey(object key) { if( key == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.key); } return (key is TKey); } IDictionaryEnumerator IDictionary.GetEnumerator() { return new Enumerator(this, Enumerator.DictEntry); } void IDictionary.Remove(object key) { if(IsCompatibleKey(key)) { Remove((TKey)key); } } bool ICollection.IsSynchronized { get { return false; } } object ICollection.SyncRoot { get { return ((ICollection)_set).SyncRoot; } } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(this, Enumerator.KeyValuePair); } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator >, IDictionaryEnumerator { private TreeSet >.Enumerator treeEnum; private int getEnumeratorRetType; // What should Enumerator.Current return? internal const int KeyValuePair = 1; internal const int DictEntry = 2; internal Enumerator(SortedDictionary dictionary, int getEnumeratorRetType) { treeEnum = dictionary._set.GetEnumerator(); this.getEnumeratorRetType = getEnumeratorRetType; } public bool MoveNext() { return treeEnum.MoveNext(); } public void Dispose() { treeEnum.Dispose(); } public KeyValuePair Current { get { return treeEnum.Current; } } internal bool NotStartedOrEnded { get { return treeEnum.NotStartedOrEnded; } } internal void Reset() { treeEnum.Reset(); } void IEnumerator.Reset() { treeEnum.Reset(); } object IEnumerator.Current { get { if( NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } if (getEnumeratorRetType == DictEntry) { return new DictionaryEntry(Current.Key, Current.Value); } else { return new KeyValuePair (Current.Key, Current.Value); } } } object IDictionaryEnumerator.Key { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current.Key; } } object IDictionaryEnumerator.Value { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current.Value; } } DictionaryEntry IDictionaryEnumerator.Entry { get { if(NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return new DictionaryEntry(Current.Key, Current.Value); } } } [DebuggerTypeProxy(typeof(System_DictionaryKeyCollectionDebugView<,>))] [DebuggerDisplay("Count = {Count}")] [Serializable] public sealed class KeyCollection: ICollection , ICollection { private SortedDictionary dictionary; public KeyCollection(SortedDictionary dictionary) { if (dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } this.dictionary = dictionary; } public Enumerator GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable .GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(dictionary); } public void CopyTo(TKey[] array, int index) { if (array == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (index < 0) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index); } if (array.Length - index < Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ array[index++] = node.Item.Key; return true;}); } void ICollection.CopyTo(Array array, int index) { if (array==null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (array.Rank != 1) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported); } if( array.GetLowerBound(0) != 0 ) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound); } if (index < 0 ) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum); } if (array.Length - index < dictionary.Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } TKey[] keys = array as TKey[]; if (keys != null) { CopyTo(keys, index); } else { object[] objects = (object[])array; if (objects == null) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } try { dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ objects[index++] = node.Item.Key; return true;}); } catch(ArrayTypeMismatchException) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } } } public int Count { get { return dictionary.Count;} } bool ICollection .IsReadOnly { get { return true;} } void ICollection .Add(TKey item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); } void ICollection .Clear(){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); } bool ICollection .Contains(TKey item){ return dictionary.ContainsKey(item); } bool ICollection .Remove(TKey item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_KeyCollectionSet); return false; } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return ((ICollection)dictionary).SyncRoot; } } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator , IEnumerator { private SortedDictionary .Enumerator dictEnum; internal Enumerator(SortedDictionary dictionary) { dictEnum = dictionary.GetEnumerator(); } public void Dispose() { dictEnum.Dispose(); } public bool MoveNext() { return dictEnum.MoveNext(); } public TKey Current { get { return dictEnum.Current.Key; } } object IEnumerator.Current { get { if( dictEnum.NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current; } } void IEnumerator.Reset() { dictEnum.Reset(); } } } [DebuggerTypeProxy(typeof(System_DictionaryValueCollectionDebugView<,>))] [DebuggerDisplay("Count = {Count}")] [Serializable] public sealed class ValueCollection: ICollection , ICollection { private SortedDictionary dictionary; public ValueCollection(SortedDictionary dictionary) { if (dictionary == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.dictionary); } this.dictionary = dictionary; } public Enumerator GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable .GetEnumerator() { return new Enumerator(dictionary); } IEnumerator IEnumerable.GetEnumerator() { return new Enumerator(dictionary); } public void CopyTo(TValue[] array, int index) { if (array == null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (index < 0 ) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.index); } if (array.Length - index < Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ array[index++] = node.Item.Value; return true;}); } void ICollection.CopyTo(Array array, int index) { if (array==null) { ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array); } if (array.Rank != 1) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_RankMultiDimNotSupported); } if( array.GetLowerBound(0) != 0 ) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_NonZeroLowerBound); } if (index < 0) { ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument.arrayIndex, ExceptionResource.ArgumentOutOfRange_NeedNonNegNum); } if (array.Length - index < dictionary.Count) { ThrowHelper.ThrowArgumentException(ExceptionResource.Arg_ArrayPlusOffTooSmall); } TValue[] values = array as TValue[]; if (values != null) { CopyTo(values, index); } else { object[] objects = (object[])array; if (objects == null) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } try { dictionary._set.InOrderTreeWalk( delegate(TreeSet >.Node node){ objects[index++] = node.Item.Value; return true;}); } catch(ArrayTypeMismatchException) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidArrayType); } } } public int Count { get { return dictionary.Count;} } bool ICollection .IsReadOnly { get { return true;} } void ICollection .Add(TValue item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); } void ICollection .Clear(){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); } bool ICollection .Contains(TValue item){ return dictionary.ContainsValue(item); } bool ICollection .Remove(TValue item){ ThrowHelper.ThrowNotSupportedException(ExceptionResource.NotSupported_ValueCollectionSet); return false; } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return ((ICollection)dictionary).SyncRoot; } } [SuppressMessage("Microsoft.Performance", "CA1815:OverrideEqualsAndOperatorEqualsOnValueTypes", Justification = "not an expected scenario")] public struct Enumerator : IEnumerator , IEnumerator { private SortedDictionary .Enumerator dictEnum; internal Enumerator(SortedDictionary dictionary) { dictEnum = dictionary.GetEnumerator(); } public void Dispose() { dictEnum.Dispose(); } public bool MoveNext() { return dictEnum.MoveNext(); } public TValue Current { get { return dictEnum.Current.Value; } } object IEnumerator.Current { get { if( dictEnum.NotStartedOrEnded) { ThrowHelper.ThrowInvalidOperationException(ExceptionResource.InvalidOperation_EnumOpCantHappen); } return Current; } } void IEnumerator.Reset() { dictEnum.Reset(); } } } [Serializable] internal class KeyValuePairComparer : Comparer > { internal IComparer keyComparer; public KeyValuePairComparer(IComparer keyComparer) { if ( keyComparer == null) { this.keyComparer = Comparer .Default; } else { this.keyComparer = keyComparer; } } public override int Compare( KeyValuePair x, KeyValuePair y) { return keyComparer.Compare(x.Key, y.Key); } } } /// /// This class is intended as a helper for backwards compatibility with existing SortedDictionaries. /// TreeSet has been converted into SortedSet ///, which will be exposed publicly. SortedDictionaries /// have the problem where they have already been serialized to disk as having a backing class named /// TreeSet. To ensure that we can read back anything that has already been written to disk, we need to /// make sure that we have a class named TreeSet that does everything the way it used to. /// /// The only thing that makes it different from SortedSet is that it throws on duplicates /// [Serializable] internal class TreeSet : SortedSet { public TreeSet() : base() { } public TreeSet(IComparer comparer) : base(comparer) { } public TreeSet(ICollection collection) : base(collection) { } public TreeSet(ICollection collection, IComparer comparer) : base(collection, comparer) { } public TreeSet(SerializationInfo siInfo, StreamingContext context) : base(siInfo, context) { } internal override bool AddIfNotPresent(T item) { bool ret = base.AddIfNotPresent(item); if (!ret) { ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_AddingDuplicate); } return ret; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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