Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Collections / ListDictionaryInternal.cs / 1 / ListDictionaryInternal.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: ListDictionaryInternal ** ** ** Purpose: List for exceptions. ** ** ===========================================================*/ namespace System.Collections { /// This is a simple implementation of IDictionary using a singly linked list. This /// will be smaller and faster than a Hashtable if the number of elements is 10 or less. /// This should not be used if performance is important for large numbers of elements. [Serializable] internal class ListDictionaryInternal: IDictionary { DictionaryNode head; int version; int count; [NonSerialized] private Object _syncRoot; public ListDictionaryInternal() { } public Object this[Object key] { get { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } DictionaryNode node = head; while (node != null) { if ( node.key.Equals(key) ) { return node.value; } node = node.next; } return null; } set { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key"); if( (value != null) && (!value.GetType().IsSerializable ) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if( node.key.Equals(key) ) { break; } last = node; } if (node != null) { // Found it node.value = value; return; } // Not found, so add a new one DictionaryNode newNode = new DictionaryNode(); newNode.key = key; newNode.value = value; if (last != null) { last.next = newNode; } else { head = newNode; } count++; } } public int Count { get { return count; } } public ICollection Keys { get { return new NodeKeyValueCollection(this, true); } } public bool IsReadOnly { get { return false; } } public bool IsFixedSize { get { return false; } } public bool IsSynchronized { get { return false; } } public Object SyncRoot { get { if( _syncRoot == null) { System.Threading.Interlocked.CompareExchange(ref _syncRoot, new Object(), null); } return _syncRoot; } } public ICollection Values { get { return new NodeKeyValueCollection(this, false); } } public void Add(Object key, Object value) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key" ); if( (value != null) && (!value.GetType().IsSerializable) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if (node.key.Equals(key)) { throw new ArgumentException(Environment.GetResourceString("Argument_AddingDuplicate__", node.key, key)); } last = node; } if (node != null) { // Found it node.value = value; return; } // Not found, so add a new one DictionaryNode newNode = new DictionaryNode(); newNode.key = key; newNode.value = value; if (last != null) { last.next = newNode; } else { head = newNode; } count++; } public void Clear() { count = 0; head = null; version++; } public bool Contains(Object key) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } for (DictionaryNode node = head; node != null; node = node.next) { if (node.key.Equals(key)) { return true; } } return false; } public void CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < this.Count ) throw new ArgumentException( Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); for (DictionaryNode node = head; node != null; node = node.next) { array.SetValue(new DictionaryEntry(node.key, node.value), index); index++; } } public IDictionaryEnumerator GetEnumerator() { return new NodeEnumerator(this); } IEnumerator IEnumerable.GetEnumerator() { return new NodeEnumerator(this); } public void Remove(Object key) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if (node.key.Equals(key)) { break; } last = node; } if (node == null) { return; } if (node == head) { head = node.next; } else { last.next = node.next; } count--; } private class NodeEnumerator : IDictionaryEnumerator { ListDictionaryInternal list; DictionaryNode current; int version; bool start; public NodeEnumerator(ListDictionaryInternal list) { this.list = list; version = list.version; start = true; current = null; } public Object Current { get { return Entry; } } public DictionaryEntry Entry { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return new DictionaryEntry(current.key, current.value); } } public Object Key { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return current.key; } } public Object Value { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return current.value; } } public bool MoveNext() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } if (start) { current = list.head; start = false; } else { if( current != null ) { current = current.next; } } return (current != null); } public void Reset() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } start = true; current = null; } } private class NodeKeyValueCollection : ICollection { ListDictionaryInternal list; bool isKeys; public NodeKeyValueCollection(ListDictionaryInternal list, bool isKeys) { this.list = list; this.isKeys = isKeys; } void ICollection.CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < list.Count ) throw new ArgumentException(Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); for (DictionaryNode node = list.head; node != null; node = node.next) { array.SetValue(isKeys ? node.key : node.value, index); index++; } } int ICollection.Count { get { int count = 0; for (DictionaryNode node = list.head; node != null; node = node.next) { count++; } return count; } } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return list.SyncRoot; } } IEnumerator IEnumerable.GetEnumerator() { return new NodeKeyValueEnumerator(list, isKeys); } private class NodeKeyValueEnumerator: IEnumerator { ListDictionaryInternal list; DictionaryNode current; int version; bool isKeys; bool start; public NodeKeyValueEnumerator(ListDictionaryInternal list, bool isKeys) { this.list = list; this.isKeys = isKeys; this.version = list.version; this.start = true; this.current = null; } public Object Current { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return isKeys ? current.key : current.value; } } public bool MoveNext() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } if (start) { current = list.head; start = false; } else { if( current != null) { current = current.next; } } return (current != null); } public void Reset() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } start = true; current = null; } } } [Serializable] private class DictionaryNode { public Object key; public Object value; public DictionaryNode next; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: ListDictionaryInternal ** ** ** Purpose: List for exceptions. ** ** ===========================================================*/ namespace System.Collections { /// This is a simple implementation of IDictionary using a singly linked list. This /// will be smaller and faster than a Hashtable if the number of elements is 10 or less. /// This should not be used if performance is important for large numbers of elements. [Serializable] internal class ListDictionaryInternal: IDictionary { DictionaryNode head; int version; int count; [NonSerialized] private Object _syncRoot; public ListDictionaryInternal() { } public Object this[Object key] { get { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } DictionaryNode node = head; while (node != null) { if ( node.key.Equals(key) ) { return node.value; } node = node.next; } return null; } set { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key"); if( (value != null) && (!value.GetType().IsSerializable ) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if( node.key.Equals(key) ) { break; } last = node; } if (node != null) { // Found it node.value = value; return; } // Not found, so add a new one DictionaryNode newNode = new DictionaryNode(); newNode.key = key; newNode.value = value; if (last != null) { last.next = newNode; } else { head = newNode; } count++; } } public int Count { get { return count; } } public ICollection Keys { get { return new NodeKeyValueCollection(this, true); } } public bool IsReadOnly { get { return false; } } public bool IsFixedSize { get { return false; } } public bool IsSynchronized { get { return false; } } public Object SyncRoot { get { if( _syncRoot == null) { System.Threading.Interlocked.CompareExchange(ref _syncRoot, new Object(), null); } return _syncRoot; } } public ICollection Values { get { return new NodeKeyValueCollection(this, false); } } public void Add(Object key, Object value) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } if (!key.GetType().IsSerializable) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "key" ); if( (value != null) && (!value.GetType().IsSerializable) ) throw new ArgumentException(Environment.GetResourceString("Argument_NotSerializable"), "value"); version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if (node.key.Equals(key)) { throw new ArgumentException(Environment.GetResourceString("Argument_AddingDuplicate__", node.key, key)); } last = node; } if (node != null) { // Found it node.value = value; return; } // Not found, so add a new one DictionaryNode newNode = new DictionaryNode(); newNode.key = key; newNode.value = value; if (last != null) { last.next = newNode; } else { head = newNode; } count++; } public void Clear() { count = 0; head = null; version++; } public bool Contains(Object key) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } for (DictionaryNode node = head; node != null; node = node.next) { if (node.key.Equals(key)) { return true; } } return false; } public void CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < this.Count ) throw new ArgumentException( Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); for (DictionaryNode node = head; node != null; node = node.next) { array.SetValue(new DictionaryEntry(node.key, node.value), index); index++; } } public IDictionaryEnumerator GetEnumerator() { return new NodeEnumerator(this); } IEnumerator IEnumerable.GetEnumerator() { return new NodeEnumerator(this); } public void Remove(Object key) { if (key == null) { throw new ArgumentNullException("key", Environment.GetResourceString("ArgumentNull_Key")); } version++; DictionaryNode last = null; DictionaryNode node; for (node = head; node != null; node = node.next) { if (node.key.Equals(key)) { break; } last = node; } if (node == null) { return; } if (node == head) { head = node.next; } else { last.next = node.next; } count--; } private class NodeEnumerator : IDictionaryEnumerator { ListDictionaryInternal list; DictionaryNode current; int version; bool start; public NodeEnumerator(ListDictionaryInternal list) { this.list = list; version = list.version; start = true; current = null; } public Object Current { get { return Entry; } } public DictionaryEntry Entry { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return new DictionaryEntry(current.key, current.value); } } public Object Key { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return current.key; } } public Object Value { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return current.value; } } public bool MoveNext() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } if (start) { current = list.head; start = false; } else { if( current != null ) { current = current.next; } } return (current != null); } public void Reset() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } start = true; current = null; } } private class NodeKeyValueCollection : ICollection { ListDictionaryInternal list; bool isKeys; public NodeKeyValueCollection(ListDictionaryInternal list, bool isKeys) { this.list = list; this.isKeys = isKeys; } void ICollection.CopyTo(Array array, int index) { if (array==null) throw new ArgumentNullException("array"); if (array.Rank != 1) throw new ArgumentException(Environment.GetResourceString("Arg_RankMultiDimNotSupported")); if (index < 0) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_NeedNonNegNum")); if ( array.Length - index < list.Count ) throw new ArgumentException(Environment.GetResourceString("ArgumentOutOfRange_Index"), "index"); for (DictionaryNode node = list.head; node != null; node = node.next) { array.SetValue(isKeys ? node.key : node.value, index); index++; } } int ICollection.Count { get { int count = 0; for (DictionaryNode node = list.head; node != null; node = node.next) { count++; } return count; } } bool ICollection.IsSynchronized { get { return false; } } Object ICollection.SyncRoot { get { return list.SyncRoot; } } IEnumerator IEnumerable.GetEnumerator() { return new NodeKeyValueEnumerator(list, isKeys); } private class NodeKeyValueEnumerator: IEnumerator { ListDictionaryInternal list; DictionaryNode current; int version; bool isKeys; bool start; public NodeKeyValueEnumerator(ListDictionaryInternal list, bool isKeys) { this.list = list; this.isKeys = isKeys; this.version = list.version; this.start = true; this.current = null; } public Object Current { get { if (current == null) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumOpCantHappen")); } return isKeys ? current.key : current.value; } } public bool MoveNext() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } if (start) { current = list.head; start = false; } else { if( current != null) { current = current.next; } } return (current != null); } public void Reset() { if (version != list.version) { throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_EnumFailedVersion")); } start = true; current = null; } } } [Serializable] private class DictionaryNode { public Object key; public Object value; public DictionaryNode next; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FilterQuery.cs
- WebHeaderCollection.cs
- InvalidDataException.cs
- XmlUtf8RawTextWriter.cs
- DragEvent.cs
- ManagedIStream.cs
- SequenceQuery.cs
- DataGridViewRowEventArgs.cs
- ExpressionConverter.cs
- WindowsButton.cs
- XmlSchemaSimpleTypeRestriction.cs
- CalculatedColumn.cs
- SqlUserDefinedTypeAttribute.cs
- _ProxyChain.cs
- MSAAWinEventWrap.cs
- EntityDataSourceValidationException.cs
- ObjectDataSourceMethodEventArgs.cs
- RunInstallerAttribute.cs
- DivideByZeroException.cs
- SmtpNegotiateAuthenticationModule.cs
- OutOfMemoryException.cs
- SetIterators.cs
- Rect.cs
- ToolboxDataAttribute.cs
- XmlSchemaSequence.cs
- InputMethodStateTypeInfo.cs
- NativeMethods.cs
- IERequestCache.cs
- AdjustableArrowCap.cs
- CodeNamespaceCollection.cs
- AlgoModule.cs
- InkCanvas.cs
- HtmlProps.cs
- KeyManager.cs
- TimeSpanSecondsOrInfiniteConverter.cs
- ProxyWebPart.cs
- ColorMap.cs
- MembershipUser.cs
- TrackBarRenderer.cs
- ExpressionConverter.cs
- CachingHintValidation.cs
- SafeCertificateContext.cs
- LocalizationParserHooks.cs
- ProtocolsSection.cs
- handlecollector.cs
- CodeIdentifier.cs
- CompoundFileDeflateTransform.cs
- CharacterMetricsDictionary.cs
- LayoutDump.cs
- WindowsAuthenticationModule.cs
- DiagnosticsElement.cs
- Span.cs
- DateTimeConstantAttribute.cs
- EntityDataSourceEntitySetNameItem.cs
- XslVisitor.cs
- BaseInfoTable.cs
- StackOverflowException.cs
- CLRBindingWorker.cs
- TypeUtil.cs
- ComponentResourceManager.cs
- SkinIDTypeConverter.cs
- DNS.cs
- Point3DCollection.cs
- XmlNullResolver.cs
- SplayTreeNode.cs
- XmlCollation.cs
- SrgsRulesCollection.cs
- MgmtResManager.cs
- RuntimeConfigurationRecord.cs
- JsonClassDataContract.cs
- Menu.cs
- DashStyle.cs
- TextEncodedRawTextWriter.cs
- TreeNodeCollection.cs
- DataSvcMapFile.cs
- MergeFailedEvent.cs
- DefinitionBase.cs
- MiniLockedBorderGlyph.cs
- NameTable.cs
- SystemInfo.cs
- DesignerVerbCollection.cs
- SafeReversePInvokeHandle.cs
- SiteMapHierarchicalDataSourceView.cs
- QueryBranchOp.cs
- DelegatingTypeDescriptionProvider.cs
- TableLayout.cs
- BuildManagerHost.cs
- LightweightCodeGenerator.cs
- XsltContext.cs
- HostingEnvironment.cs
- AssemblyInfo.cs
- AtomServiceDocumentSerializer.cs
- httpstaticobjectscollection.cs
- DeobfuscatingStream.cs
- CryptoHelper.cs
- OdbcConnection.cs
- TextInfo.cs
- TextCompositionManager.cs
- AssemblyNameUtility.cs
- TypeListConverter.cs