Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / Runtime / SiblingIterators.cs / 1305376 / SiblingIterators.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System; using System.Xml; using System.Xml.XPath; using System.Xml.Schema; using System.Diagnostics; using System.Collections; using System.ComponentModel; namespace System.Xml.Xsl.Runtime { ////// Iterate over all following-sibling content nodes. /// [EditorBrowsable(EditorBrowsableState.Never)] public struct FollowingSiblingIterator { private XmlNavigatorFilter filter; private XPathNavigator navCurrent; ////// Initialize the FollowingSiblingIterator. /// public void Create(XPathNavigator context, XmlNavigatorFilter filter) { this.navCurrent = XmlQueryRuntime.SyncToNavigator(this.navCurrent, context); this.filter = filter; } ////// Position the iterator on the next following-sibling node. Return true if such a node exists and /// set Current property. Otherwise, return false (Current property is undefined). /// public bool MoveNext() { return this.filter.MoveToFollowingSibling(this.navCurrent); } ////// Return the current result navigator. This is only defined after MoveNext() has returned true. /// public XPathNavigator Current { get { return this.navCurrent; } } } ////// Iterate over child following-sibling nodes. This is a simple variation on the ContentMergeIterator, so use containment /// to reuse its code (can't use inheritance with structures). /// [EditorBrowsable(EditorBrowsableState.Never)] public struct FollowingSiblingMergeIterator { private ContentMergeIterator wrapped; ////// Initialize the FollowingSiblingMergeIterator. /// public void Create(XmlNavigatorFilter filter) { this.wrapped.Create(filter); } ////// Position this iterator to the next content or sibling node. Return IteratorResult.NoMoreNodes if there are /// no more content or sibling nodes. Return IteratorResult.NeedInputNode if the next input node needs to be /// fetched first. Return IteratorResult.HaveCurrent if the Current property is set to the next node in the /// iteration. /// public IteratorResult MoveNext(XPathNavigator navigator) { return this.wrapped.MoveNext(navigator, false); } ////// Return the current result navigator. This is only defined after MoveNext() has returned IteratorResult.HaveCurrent. /// public XPathNavigator Current { get { return this.wrapped.Current; } } } ////// Iterate over all preceding nodes according to XPath preceding axis rules, returning nodes in reverse /// document order. /// [EditorBrowsable(EditorBrowsableState.Never)] public struct PrecedingSiblingIterator { private XmlNavigatorFilter filter; private XPathNavigator navCurrent; ////// Initialize the PrecedingSiblingIterator. /// public void Create(XPathNavigator context, XmlNavigatorFilter filter) { this.navCurrent = XmlQueryRuntime.SyncToNavigator(this.navCurrent, context); this.filter = filter; } ////// Return true if the Current property is set to the next Preceding node in reverse document order. /// public bool MoveNext() { return this.filter.MoveToPreviousSibling(this.navCurrent); } ////// Return the current result navigator. This is only defined after MoveNext() has returned true. /// public XPathNavigator Current { get { return this.navCurrent; } } } ////// Iterate over all preceding-sibling content nodes in document order. /// [EditorBrowsable(EditorBrowsableState.Never)] public struct PrecedingSiblingDocOrderIterator { private XmlNavigatorFilter filter; private XPathNavigator navCurrent, navEnd; private bool needFirst, useCompPos; ////// Initialize the PrecedingSiblingDocOrderIterator. /// public void Create(XPathNavigator context, XmlNavigatorFilter filter) { this.filter = filter; this.navCurrent = XmlQueryRuntime.SyncToNavigator(this.navCurrent, context); this.navEnd = XmlQueryRuntime.SyncToNavigator(this.navEnd, context); this.needFirst = true; // If the context node will be filtered out, then use ComparePosition to // determine when the context node has been passed by. Otherwise, IsSamePosition // is sufficient to determine when the context node has been reached. this.useCompPos = this.filter.IsFiltered(context); } ////// Position the iterator on the next preceding-sibling node. Return true if such a node exists and /// set Current property. Otherwise, return false (Current property is undefined). /// public bool MoveNext() { if (this.needFirst) { // Get first matching preceding-sibling node if (!this.navCurrent.MoveToParent()) return false; if (!this.filter.MoveToContent(this.navCurrent)) return false; this.needFirst = false; } else { // Get next matching preceding-sibling node if (!this.filter.MoveToFollowingSibling(this.navCurrent)) return false; } // Accept matching sibling only if it precedes navEnd in document order if (this.useCompPos) return (this.navCurrent.ComparePosition(this.navEnd) == XmlNodeOrder.Before); if (this.navCurrent.IsSamePosition(this.navEnd)) { // Found the original context node, so iteration is complete. If MoveNext // is called again, use ComparePosition so that false will continue to be // returned. this.useCompPos = true; return false; } return true; } ////// Return the current result navigator. This is only defined after MoveNext() has returned true. /// public XPathNavigator Current { get { return this.navCurrent; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ControlCommandSet.cs
- TcpHostedTransportConfiguration.cs
- ResourceDefaultValueAttribute.cs
- ColorMap.cs
- TabItemWrapperAutomationPeer.cs
- ParameterToken.cs
- AssemblyAttributesGoHere.cs
- SubqueryTrackingVisitor.cs
- UniqueConstraint.cs
- MsmqIntegrationProcessProtocolHandler.cs
- DockingAttribute.cs
- EntitySqlException.cs
- ProxyWebPartConnectionCollection.cs
- SEHException.cs
- HttpResponse.cs
- Exceptions.cs
- SudsWriter.cs
- CheckBoxRenderer.cs
- BitSet.cs
- NameValueFileSectionHandler.cs
- DateTimePicker.cs
- Decoder.cs
- EncryptedXml.cs
- AddressingProperty.cs
- QilInvoke.cs
- TypeUsageBuilder.cs
- ResolveNameEventArgs.cs
- XPathChildIterator.cs
- DataRow.cs
- ListControlDataBindingHandler.cs
- TransportSecurityHelpers.cs
- UTF7Encoding.cs
- webclient.cs
- BaseParagraph.cs
- _OverlappedAsyncResult.cs
- ChildDocumentBlock.cs
- Message.cs
- SmiEventSink.cs
- SamlNameIdentifierClaimResource.cs
- FileLogRecordEnumerator.cs
- FixedTextBuilder.cs
- TimeSpanConverter.cs
- LogAppendAsyncResult.cs
- COMException.cs
- XmlNamedNodeMap.cs
- BoolLiteral.cs
- GcSettings.cs
- ScopelessEnumAttribute.cs
- UIHelper.cs
- OneOfTypeConst.cs
- StrokeNode.cs
- TextDecorationCollection.cs
- FlowThrottle.cs
- StringUtil.cs
- listviewsubitemcollectioneditor.cs
- File.cs
- PenThreadWorker.cs
- ShellProvider.cs
- MenuItemStyleCollection.cs
- ResourceIDHelper.cs
- MultiByteCodec.cs
- SQLInt64.cs
- DataPagerFieldCommandEventArgs.cs
- EditCommandColumn.cs
- ControlOperationInvoker.cs
- SimpleType.cs
- DefaultAsyncDataDispatcher.cs
- JoinTreeSlot.cs
- InternalResources.cs
- WsatServiceCertificate.cs
- basecomparevalidator.cs
- _SslState.cs
- ChildDocumentBlock.cs
- OneOfConst.cs
- DataGridViewSelectedRowCollection.cs
- AppDomainShutdownMonitor.cs
- MouseGestureValueSerializer.cs
- ListCardsInFileRequest.cs
- HttpsHostedTransportConfiguration.cs
- MimeTypeAttribute.cs
- SHA1.cs
- PeerMessageDispatcher.cs
- StorageEntityContainerMapping.cs
- StringValidator.cs
- DisplayNameAttribute.cs
- UniformGrid.cs
- Membership.cs
- SerialReceived.cs
- ToolboxItemCollection.cs
- HandlerBase.cs
- Context.cs
- IDictionary.cs
- PerformanceCounterPermissionEntryCollection.cs
- FixedTextSelectionProcessor.cs
- Object.cs
- SQLChars.cs
- ControlPropertyNameConverter.cs
- BasicBrowserDialog.designer.cs
- Transform3DCollection.cs
- PrivacyNoticeElement.cs