Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / VariableAction.cs / 1 / VariableAction.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System.Diagnostics; using System.Xml.XPath; namespace System.Xml.Xsl.XsltOld { using Res = System.Xml.Utils.Res; internal enum VariableType { GlobalVariable, GlobalParameter, LocalVariable, LocalParameter, WithParameter, } internal class VariableAction : ContainerAction, IXsltContextVariable { public static object BeingComputedMark = new object(); private const int ValueCalculated = 2; protected XmlQualifiedName name; protected string nameStr; protected string baseUri; protected int selectKey = Compiler.InvalidQueryKey; protected int stylesheetid; protected VariableType varType; private int varKey; internal int Stylesheetid { get { return this.stylesheetid; } } internal XmlQualifiedName Name { get { return this.name; } } internal string NameStr { get { return this.nameStr; } } internal VariableType VarType { get { return this.varType; } } internal int VarKey { get { return this.varKey; } } internal bool IsGlobal { get { return this.varType == VariableType.GlobalVariable || this.varType == VariableType.GlobalParameter; } } internal VariableAction(VariableType type) { this.varType = type; } internal override void Compile(Compiler compiler) { this.stylesheetid = compiler.Stylesheetid; this.baseUri = compiler.Input.BaseURI; CompileAttributes(compiler); CheckRequiredAttribute(compiler, this.name, Keywords.s_Name); if (compiler.Recurse()) { CompileTemplate(compiler); compiler.ToParent(); if (this.selectKey != Compiler.InvalidQueryKey && this.containedActions != null) { throw XsltException.Create(Res.Xslt_VariableCntSel2, this.nameStr); } } if (this.containedActions != null) { baseUri = baseUri + '#' + compiler.GetUnicRtfId(); } else { baseUri = null; } this.varKey = compiler.InsertVariable(this); } internal override bool CompileAttribute(Compiler compiler) { string name = compiler.Input.LocalName; string value = compiler.Input.Value; if (Keywords.Equals(name, compiler.Atoms.Name)) { Debug.Assert(this.name == null && this.nameStr == null); this.nameStr = value; this.name = compiler.CreateXPathQName(this.nameStr); } else if (Keywords.Equals(name, compiler.Atoms.Select)) { this.selectKey = compiler.AddQuery(value); } else { return false; } return true; } internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null && frame.State != ValueCalculated); object value = null; switch(frame.State) { case Initialized: if (IsGlobal) { if (frame.GetVariable(this.varKey) != null) { // This var was calculated already frame.Finished(); break; } // Mark that the variable is being computed to check for circular references frame.SetVariable(this.varKey, BeingComputedMark); } // If this is a parameter, check whether the caller has passed the value if (this.varType == VariableType.GlobalParameter) { value = processor.GetGlobalParameter(this.name); } else if (this.varType == VariableType.LocalParameter) { value = processor.GetParameter(this.name); } if (value != null) { goto case ValueCalculated; } // If value was not passed, check the 'select' attribute if (this.selectKey != Compiler.InvalidQueryKey) { value = processor.RunQuery(frame, this.selectKey); goto case ValueCalculated; } // If there is no 'select' attribute and the content is empty, use the empty string if (this.containedActions == null) { value = string.Empty; goto case ValueCalculated; } // RTF case NavigatorOutput output = new NavigatorOutput(this.baseUri); processor.PushOutput(output); processor.PushActionFrame(frame); frame.State = ProcessingChildren; break; case ProcessingChildren: RecordOutput recOutput = processor.PopOutput(); Debug.Assert(recOutput is NavigatorOutput); value = ((NavigatorOutput)recOutput).Navigator; goto case ValueCalculated; case ValueCalculated: Debug.Assert(value != null); frame.SetVariable(this.varKey, value); frame.Finished(); break; default: Debug.Fail("Invalid execution state inside VariableAction.Execute"); break; } } // ---------------------- IXsltContextVariable -------------------- XPathResultType IXsltContextVariable.VariableType { get { return XPathResultType.Any; } } object IXsltContextVariable.Evaluate(XsltContext xsltContext) { return ((XsltCompileContext)xsltContext).EvaluateVariable(this); } bool IXsltContextVariable.IsLocal { get { return this.varType == VariableType.LocalVariable || this.varType == VariableType.LocalParameter; } } bool IXsltContextVariable.IsParam { get { return this.varType == VariableType.LocalParameter || this.varType == VariableType.GlobalParameter; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- using System.Diagnostics; using System.Xml.XPath; namespace System.Xml.Xsl.XsltOld { using Res = System.Xml.Utils.Res; internal enum VariableType { GlobalVariable, GlobalParameter, LocalVariable, LocalParameter, WithParameter, } internal class VariableAction : ContainerAction, IXsltContextVariable { public static object BeingComputedMark = new object(); private const int ValueCalculated = 2; protected XmlQualifiedName name; protected string nameStr; protected string baseUri; protected int selectKey = Compiler.InvalidQueryKey; protected int stylesheetid; protected VariableType varType; private int varKey; internal int Stylesheetid { get { return this.stylesheetid; } } internal XmlQualifiedName Name { get { return this.name; } } internal string NameStr { get { return this.nameStr; } } internal VariableType VarType { get { return this.varType; } } internal int VarKey { get { return this.varKey; } } internal bool IsGlobal { get { return this.varType == VariableType.GlobalVariable || this.varType == VariableType.GlobalParameter; } } internal VariableAction(VariableType type) { this.varType = type; } internal override void Compile(Compiler compiler) { this.stylesheetid = compiler.Stylesheetid; this.baseUri = compiler.Input.BaseURI; CompileAttributes(compiler); CheckRequiredAttribute(compiler, this.name, Keywords.s_Name); if (compiler.Recurse()) { CompileTemplate(compiler); compiler.ToParent(); if (this.selectKey != Compiler.InvalidQueryKey && this.containedActions != null) { throw XsltException.Create(Res.Xslt_VariableCntSel2, this.nameStr); } } if (this.containedActions != null) { baseUri = baseUri + '#' + compiler.GetUnicRtfId(); } else { baseUri = null; } this.varKey = compiler.InsertVariable(this); } internal override bool CompileAttribute(Compiler compiler) { string name = compiler.Input.LocalName; string value = compiler.Input.Value; if (Keywords.Equals(name, compiler.Atoms.Name)) { Debug.Assert(this.name == null && this.nameStr == null); this.nameStr = value; this.name = compiler.CreateXPathQName(this.nameStr); } else if (Keywords.Equals(name, compiler.Atoms.Select)) { this.selectKey = compiler.AddQuery(value); } else { return false; } return true; } internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null && frame.State != ValueCalculated); object value = null; switch(frame.State) { case Initialized: if (IsGlobal) { if (frame.GetVariable(this.varKey) != null) { // This var was calculated already frame.Finished(); break; } // Mark that the variable is being computed to check for circular references frame.SetVariable(this.varKey, BeingComputedMark); } // If this is a parameter, check whether the caller has passed the value if (this.varType == VariableType.GlobalParameter) { value = processor.GetGlobalParameter(this.name); } else if (this.varType == VariableType.LocalParameter) { value = processor.GetParameter(this.name); } if (value != null) { goto case ValueCalculated; } // If value was not passed, check the 'select' attribute if (this.selectKey != Compiler.InvalidQueryKey) { value = processor.RunQuery(frame, this.selectKey); goto case ValueCalculated; } // If there is no 'select' attribute and the content is empty, use the empty string if (this.containedActions == null) { value = string.Empty; goto case ValueCalculated; } // RTF case NavigatorOutput output = new NavigatorOutput(this.baseUri); processor.PushOutput(output); processor.PushActionFrame(frame); frame.State = ProcessingChildren; break; case ProcessingChildren: RecordOutput recOutput = processor.PopOutput(); Debug.Assert(recOutput is NavigatorOutput); value = ((NavigatorOutput)recOutput).Navigator; goto case ValueCalculated; case ValueCalculated: Debug.Assert(value != null); frame.SetVariable(this.varKey, value); frame.Finished(); break; default: Debug.Fail("Invalid execution state inside VariableAction.Execute"); break; } } // ---------------------- IXsltContextVariable -------------------- XPathResultType IXsltContextVariable.VariableType { get { return XPathResultType.Any; } } object IXsltContextVariable.Evaluate(XsltContext xsltContext) { return ((XsltCompileContext)xsltContext).EvaluateVariable(this); } bool IXsltContextVariable.IsLocal { get { return this.varType == VariableType.LocalVariable || this.varType == VariableType.LocalParameter; } } bool IXsltContextVariable.IsParam { get { return this.varType == VariableType.LocalParameter || this.varType == VariableType.GlobalParameter; } } } } // 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
- XPathNavigatorReader.cs
- TcpHostedTransportConfiguration.cs
- UpDownBaseDesigner.cs
- ValidationErrorInfo.cs
- IPAddressCollection.cs
- CheckBoxPopupAdapter.cs
- Pointer.cs
- storepermissionattribute.cs
- TagPrefixInfo.cs
- DbDataSourceEnumerator.cs
- DataGridViewRowsRemovedEventArgs.cs
- SQLDateTimeStorage.cs
- DesignerGeometryHelper.cs
- ChtmlTextWriter.cs
- BulletedListEventArgs.cs
- WorkflowPrinting.cs
- XmlSchemaSimpleType.cs
- KeyedQueue.cs
- SchemaDeclBase.cs
- MaskedTextBoxDesignerActionList.cs
- CatalogPartChrome.cs
- NativeMethods.cs
- SchemaSetCompiler.cs
- WebConfigurationHost.cs
- UnsafeNativeMethods.cs
- CookieParameter.cs
- UnicodeEncoding.cs
- Label.cs
- AlternateViewCollection.cs
- DataTable.cs
- ObjectItemAssemblyLoader.cs
- LiteralTextParser.cs
- ExtenderProvidedPropertyAttribute.cs
- HtmlMeta.cs
- BooleanToVisibilityConverter.cs
- TextWriter.cs
- FlowDocumentScrollViewer.cs
- MimePart.cs
- ISFTagAndGuidCache.cs
- WebRequest.cs
- DefaultPrintController.cs
- MatrixTransform.cs
- BindingMemberInfo.cs
- MimePart.cs
- StringFormat.cs
- ReferencedType.cs
- TypeHelpers.cs
- SqlDependencyUtils.cs
- assemblycache.cs
- ColorAnimationBase.cs
- KeyFrames.cs
- ThreadStartException.cs
- WebPartCatalogCloseVerb.cs
- EventRouteFactory.cs
- CodePrimitiveExpression.cs
- DoubleAnimationUsingKeyFrames.cs
- ActivationWorker.cs
- StaticResourceExtension.cs
- FloatAverageAggregationOperator.cs
- DataGridViewCellConverter.cs
- WsatServiceCertificate.cs
- RegexNode.cs
- SamlAssertionKeyIdentifierClause.cs
- SelectionChangedEventArgs.cs
- DataGridViewCellCancelEventArgs.cs
- HasCopySemanticsAttribute.cs
- EncryptedData.cs
- ProxyManager.cs
- TypedColumnHandler.cs
- ConnectionStringsExpressionBuilder.cs
- ObjectTag.cs
- TiffBitmapEncoder.cs
- XamlPathDataSerializer.cs
- DifferencingCollection.cs
- FontEmbeddingManager.cs
- WebPartVerbCollection.cs
- SmiTypedGetterSetter.cs
- NullableLongSumAggregationOperator.cs
- BindUriHelper.cs
- XmlAttribute.cs
- ServicePoint.cs
- TableLayoutStyle.cs
- PropertyChangingEventArgs.cs
- CompoundFileReference.cs
- AdornerPresentationContext.cs
- EntityModelSchemaGenerator.cs
- TiffBitmapEncoder.cs
- Win32Native.cs
- BatchWriter.cs
- NullableDoubleMinMaxAggregationOperator.cs
- SchemaImporter.cs
- BadImageFormatException.cs
- ObjectStateEntryOriginalDbUpdatableDataRecord.cs
- TableLayoutPanel.cs
- WindowsNonControl.cs
- EventSinkActivityDesigner.cs
- BevelBitmapEffect.cs
- ColorTranslator.cs
- DesignerDataParameter.cs
- ExtendedPropertyDescriptor.cs