Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Xml / System / Xml / XPath / Internal / NumericExpr.cs / 1 / NumericExpr.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; using System.Globalization; using System.Xml.Xsl; internal sealed class NumericExpr : ValueQuery { private Operator.Op op; private Query opnd1; private Query opnd2; public NumericExpr(Operator.Op op, Query opnd1, Query opnd2) { Debug.Assert( op == Operator.Op.PLUS || op == Operator.Op.MINUS || op == Operator.Op.MUL || op == Operator.Op.DIV || op == Operator.Op.MOD ); Debug.Assert(opnd1 != null && opnd2 != null); if (opnd1.StaticType != XPathResultType.Number) { opnd1 = new NumberFunctions(Function.FunctionType.FuncNumber, opnd1); } if (opnd2.StaticType != XPathResultType.Number) { opnd2 = new NumberFunctions(Function.FunctionType.FuncNumber, opnd2); } this.op = op; this.opnd1 = opnd1; this.opnd2 = opnd2; } private NumericExpr(NumericExpr other) : base(other) { this.op = other.op; this.opnd1 = Clone(other.opnd1); this.opnd2 = Clone(other.opnd2); } public override void SetXsltContext(XsltContext context){ opnd1.SetXsltContext(context); opnd2.SetXsltContext(context); } public override object Evaluate(XPathNodeIterator nodeIterator) { return GetValue(this.op, XmlConvert.ToXPathDouble(opnd1.Evaluate(nodeIterator)), XmlConvert.ToXPathDouble(opnd2.Evaluate(nodeIterator)) ); } private static double GetValue(Operator.Op op, double n1, double n2) { Debug.Assert(op == Operator.Op.PLUS || op == Operator.Op.MINUS || op == Operator.Op.MOD || op == Operator.Op.DIV || op == Operator.Op.MUL); switch (op) { case Operator.Op.PLUS : return n1 + n2; case Operator.Op.MINUS : return n1 - n2; case Operator.Op.MOD : return n1 % n2; case Operator.Op.DIV : return n1 / n2; case Operator.Op.MUL : return n1 * n2; } return 0; } public override XPathResultType StaticType { get { return XPathResultType.Number; } } public override XPathNodeIterator Clone() { return new NumericExpr(this); } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); w.WriteAttributeString("op", op.ToString()); opnd1.PrintQuery(w); opnd2.PrintQuery(w); w.WriteEndElement(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace MS.Internal.Xml.XPath { using System; using System.Xml; using System.Xml.XPath; using System.Diagnostics; using System.Globalization; using System.Xml.Xsl; internal sealed class NumericExpr : ValueQuery { private Operator.Op op; private Query opnd1; private Query opnd2; public NumericExpr(Operator.Op op, Query opnd1, Query opnd2) { Debug.Assert( op == Operator.Op.PLUS || op == Operator.Op.MINUS || op == Operator.Op.MUL || op == Operator.Op.DIV || op == Operator.Op.MOD ); Debug.Assert(opnd1 != null && opnd2 != null); if (opnd1.StaticType != XPathResultType.Number) { opnd1 = new NumberFunctions(Function.FunctionType.FuncNumber, opnd1); } if (opnd2.StaticType != XPathResultType.Number) { opnd2 = new NumberFunctions(Function.FunctionType.FuncNumber, opnd2); } this.op = op; this.opnd1 = opnd1; this.opnd2 = opnd2; } private NumericExpr(NumericExpr other) : base(other) { this.op = other.op; this.opnd1 = Clone(other.opnd1); this.opnd2 = Clone(other.opnd2); } public override void SetXsltContext(XsltContext context){ opnd1.SetXsltContext(context); opnd2.SetXsltContext(context); } public override object Evaluate(XPathNodeIterator nodeIterator) { return GetValue(this.op, XmlConvert.ToXPathDouble(opnd1.Evaluate(nodeIterator)), XmlConvert.ToXPathDouble(opnd2.Evaluate(nodeIterator)) ); } private static double GetValue(Operator.Op op, double n1, double n2) { Debug.Assert(op == Operator.Op.PLUS || op == Operator.Op.MINUS || op == Operator.Op.MOD || op == Operator.Op.DIV || op == Operator.Op.MUL); switch (op) { case Operator.Op.PLUS : return n1 + n2; case Operator.Op.MINUS : return n1 - n2; case Operator.Op.MOD : return n1 % n2; case Operator.Op.DIV : return n1 / n2; case Operator.Op.MUL : return n1 * n2; } return 0; } public override XPathResultType StaticType { get { return XPathResultType.Number; } } public override XPathNodeIterator Clone() { return new NumericExpr(this); } public override void PrintQuery(XmlWriter w) { w.WriteStartElement(this.GetType().Name); w.WriteAttributeString("op", op.ToString()); opnd1.PrintQuery(w); opnd2.PrintQuery(w); w.WriteEndElement(); } } } // 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
- XmlSchemaSimpleContentExtension.cs
- NativeMethods.cs
- LineServicesRun.cs
- FixedTextPointer.cs
- ZoneLinkButton.cs
- TcpTransportSecurity.cs
- WebConfigurationHostFileChange.cs
- DiagnosticsConfigurationHandler.cs
- SqlCacheDependencyDatabaseCollection.cs
- VideoDrawing.cs
- Visual3DCollection.cs
- SynchronizingStream.cs
- objectquery_tresulttype.cs
- BinaryConverter.cs
- ProxyWebPartConnectionCollection.cs
- GZipDecoder.cs
- WebRequestModuleElementCollection.cs
- DynamicObjectAccessor.cs
- XmlILStorageConverter.cs
- sqlpipe.cs
- SettingsPropertyWrongTypeException.cs
- TypeConverterAttribute.cs
- LocatorPartList.cs
- GenericRootAutomationPeer.cs
- Root.cs
- MouseGestureValueSerializer.cs
- BuilderPropertyEntry.cs
- WCFServiceClientProxyGenerator.cs
- ImageBrush.cs
- WorkflowInstanceAbortedRecord.cs
- SQLString.cs
- VirtualPathExtension.cs
- ProgressBar.cs
- ExtensionFile.cs
- HttpServerUtilityWrapper.cs
- Transform.cs
- MdbDataFileEditor.cs
- EdmRelationshipRoleAttribute.cs
- MissingSatelliteAssemblyException.cs
- SqlMultiplexer.cs
- DeleteCardRequest.cs
- XmlSchemas.cs
- ThrowOnMultipleAssignment.cs
- SQLInt32.cs
- CellParaClient.cs
- SafeFreeMibTable.cs
- UpdateRecord.cs
- StructuredTypeInfo.cs
- ValidationHelper.cs
- ValueChangedEventManager.cs
- BooleanExpr.cs
- ScrollChangedEventArgs.cs
- TextBox.cs
- TextViewSelectionProcessor.cs
- AsymmetricKeyExchangeDeformatter.cs
- COM2ColorConverter.cs
- FormViewUpdateEventArgs.cs
- GridViewUpdatedEventArgs.cs
- PageRanges.cs
- ConfigurationPermission.cs
- DictionaryManager.cs
- XamlLoadErrorInfo.cs
- CaseInsensitiveComparer.cs
- ConfigXmlSignificantWhitespace.cs
- DoubleLinkListEnumerator.cs
- InputProcessorProfiles.cs
- BindStream.cs
- FontNamesConverter.cs
- FontCollection.cs
- Itemizer.cs
- Geometry3D.cs
- VisualBasicImportReference.cs
- tooltip.cs
- Expr.cs
- DynamicExpression.cs
- RegexWorker.cs
- FileDialog.cs
- XmlSerializer.cs
- TrackingMemoryStream.cs
- DateTimeSerializationSection.cs
- securitycriticaldata.cs
- SqlConnectionPoolGroupProviderInfo.cs
- HtmlButton.cs
- AnonymousIdentificationSection.cs
- UnmanagedBitmapWrapper.cs
- PartialTrustHelpers.cs
- DetailsViewPageEventArgs.cs
- AutomationPropertyInfo.cs
- PropertyTabChangedEvent.cs
- TypeConverterHelper.cs
- MatrixTransform.cs
- ConfigXmlDocument.cs
- TextEvent.cs
- ThemeDirectoryCompiler.cs
- Type.cs
- BodyGlyph.cs
- PersistenceTypeAttribute.cs
- EntityDataSourceStatementEditorForm.cs
- SqlMetaData.cs
- SqlConnectionPoolGroupProviderInfo.cs