Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Serialization / System / Runtime / Serialization / XPathQueryGenerator.cs / 1305376 / XPathQueryGenerator.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace System.Runtime.Serialization { using System; using System.Text; using System.Reflection; using System.Globalization; using System.Collections.Generic; using System.Xml; public static class XPathQueryGenerator { const string XPathSeparator = "/"; const string NsSeparator = ":"; public static string CreateFromDataContractSerializer(Type type, MemberInfo[] pathToMember, out XmlNamespaceManager namespaces) { return CreateFromDataContractSerializer(type, pathToMember, null, out namespaces); } // Here you can provide your own root element Xpath which will replace the Xpath of the top level element public static string CreateFromDataContractSerializer(Type type, MemberInfo[] pathToMember, StringBuilder rootElementXpath, out XmlNamespaceManager namespaces) { if (type == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("type")); } if (pathToMember == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("pathToMember")); } DataContract currentContract = DataContract.GetDataContract(type); ExportContext context; if (rootElementXpath == null) { context = new ExportContext(currentContract); } else { // use the provided xpath for top level element context = new ExportContext(rootElementXpath); } for (int pathToMemberIndex = 0; pathToMemberIndex < pathToMember.Length; pathToMemberIndex++) { currentContract = ProcessDataContract(currentContract, context, pathToMember[pathToMemberIndex]); } namespaces = context.Namespaces; return context.XPath; } static DataContract ProcessDataContract(DataContract contract, ExportContext context, MemberInfo memberNode) { if (contract is ClassDataContract) { return ProcessClassDataContract((ClassDataContract)contract, context, memberNode); } throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.QueryGeneratorPathToMemberNotFound))); } static DataContract ProcessClassDataContract(ClassDataContract contract, ExportContext context, MemberInfo memberNode) { string prefix = context.SetNamespace(contract.Namespace.Value); if (contract.Members != null) { foreach (DataMember member in contract.Members) { if (member.MemberInfo == memberNode) { context.WriteChildToContext(member, prefix); return member.MemberTypeContract; } } } throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.QueryGeneratorPathToMemberNotFound))); } class ExportContext { XmlNamespaceManager namespaces; int nextPrefix; StringBuilder xPathBuilder; public ExportContext(DataContract rootContract) { this.namespaces = new XmlNamespaceManager(new NameTable()); string prefix = SetNamespace(rootContract.TopLevelElementNamespace.Value); this.xPathBuilder = new StringBuilder(XPathQueryGenerator.XPathSeparator + prefix + XPathQueryGenerator.NsSeparator + rootContract.TopLevelElementName.Value); } public ExportContext(StringBuilder rootContractXPath) { this.namespaces = new XmlNamespaceManager(new NameTable()); this.xPathBuilder = rootContractXPath; } public void WriteChildToContext(DataMember contextMember, string prefix) { this.xPathBuilder.Append(XPathQueryGenerator.XPathSeparator + prefix + XPathQueryGenerator.NsSeparator + contextMember.Name); } public XmlNamespaceManager Namespaces { get { return this.namespaces; } } public string XPath { get { return this.xPathBuilder.ToString(); } } public string SetNamespace(string ns) { string prefix = namespaces.LookupPrefix(ns); if (prefix == null || prefix.Length == 0) { prefix = "xg" + (this.nextPrefix++).ToString(NumberFormatInfo.InvariantInfo); Namespaces.AddNamespace(prefix, ns); } return prefix; } } } } // 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
- CalendarAutomationPeer.cs
- DbXmlEnabledProviderManifest.cs
- AmbiguousMatchException.cs
- RouteCollection.cs
- SessionSwitchEventArgs.cs
- SoapReflectionImporter.cs
- PersonalizationProvider.cs
- SmiMetaData.cs
- PartialCachingControl.cs
- StringStorage.cs
- OleDbWrapper.cs
- AssemblyBuilder.cs
- IISUnsafeMethods.cs
- IODescriptionAttribute.cs
- DataGridRowAutomationPeer.cs
- HostingPreferredMapPath.cs
- TextAdaptor.cs
- DocumentPageTextView.cs
- WsdlBuildProvider.cs
- StyleConverter.cs
- SocketPermission.cs
- WebAdminConfigurationHelper.cs
- ApplicationSettingsBase.cs
- DrawingAttributesDefaultValueFactory.cs
- ResourceDictionaryCollection.cs
- GetKeyedHashRequest.cs
- ellipse.cs
- RadioButton.cs
- WsdlBuildProvider.cs
- DataGridColumnCollection.cs
- ResolveMatchesCD1.cs
- ControlBindingsCollection.cs
- ToolStripOverflow.cs
- InvalidComObjectException.cs
- WebResourceAttribute.cs
- CodeBinaryOperatorExpression.cs
- Label.cs
- HitTestParameters.cs
- HandoffBehavior.cs
- TextRange.cs
- SafeBitVector32.cs
- ChannelFactoryBase.cs
- SingleResultAttribute.cs
- PreviewPageInfo.cs
- ManifestResourceInfo.cs
- ImplicitInputBrush.cs
- ResourceDictionaryCollection.cs
- TemplatePropertyEntry.cs
- ReflectEventDescriptor.cs
- SimpleMailWebEventProvider.cs
- initElementDictionary.cs
- StrongTypingException.cs
- TitleStyle.cs
- SQLDecimal.cs
- ValidationResult.cs
- StickyNoteAnnotations.cs
- Primitive.cs
- DependencyObject.cs
- DoubleConverter.cs
- GACIdentityPermission.cs
- ControlBindingsCollection.cs
- DataControlImageButton.cs
- StorageTypeMapping.cs
- MessageOperationFormatter.cs
- KeyValuePair.cs
- SqlBooleanizer.cs
- Ipv6Element.cs
- sitestring.cs
- ResXResourceWriter.cs
- WebPartManagerDesigner.cs
- EncryptedKey.cs
- DocumentXmlWriter.cs
- Canvas.cs
- ContentDisposition.cs
- CLRBindingWorker.cs
- DataTableNameHandler.cs
- CharEntityEncoderFallback.cs
- CompressStream.cs
- BufferedGraphicsContext.cs
- SizeAnimationUsingKeyFrames.cs
- CodeDirectoryCompiler.cs
- DiagnosticTraceSource.cs
- MatrixTransform3D.cs
- localization.cs
- ConfigXmlComment.cs
- XmlEncoding.cs
- Vector3D.cs
- SingleQueryOperator.cs
- ServiceMoniker.cs
- GreenMethods.cs
- DbParameterCollectionHelper.cs
- shaper.cs
- MetadataUtilsSmi.cs
- CompensationHandlingFilter.cs
- GenericIdentity.cs
- Form.cs
- SchemaNamespaceManager.cs
- nulltextnavigator.cs
- DateTimeConstantAttribute.cs
- OutputCacheModule.cs