Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XmlILCommand.cs / 1305376 / XmlILCommand.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //[....] //http://webdata/xml/specs/querylowlevel.xml //----------------------------------------------------------------------------- using System.Collections; using System.Diagnostics; using System.IO; using System.Xml.XPath; using System.Xml.Xsl.Runtime; using System.Runtime.Versioning; namespace System.Xml.Xsl { ////// This is the executable command generated by the XmlILGenerator. /// internal class XmlILCommand { private ExecuteDelegate delExec; private XmlQueryStaticData staticData; ////// Constructor. /// public XmlILCommand(ExecuteDelegate delExec, XmlQueryStaticData staticData) { Debug.Assert(delExec != null && staticData != null); this.delExec = delExec; this.staticData = staticData; } ////// Return execute delegate. /// public ExecuteDelegate ExecuteDelegate { get { return delExec; } } ////// Return query static data required by the runtime. /// public XmlQueryStaticData StaticData { get { return staticData; } } #if false ////// Default serialization options that will be used if the user does not supply an XmlWriter /// at execution time. /// public override XmlWriterSettings DefaultWriterSettings { get { return this.staticData.DefaultWriterSettings; } } ////// Default document as XPathNavigator. /// public override void Execute(IXPathNavigable contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter results) { if (results == null) throw new ArgumentNullException("results"); if (contextDocument != null) Execute(contextDocument.CreateNavigator(), dataSources, argumentList, results, false); else Execute(null, dataSources, argumentList, results, false); } ////// Default document as XPathNavigator. /// public override void Execute(IXPathNavigable contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, TextWriter results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocument, dataSources, argumentList, XmlWriter.Create(results, this.staticData.DefaultWriterSettings)); } ////// Default document as XPathNavigator. /// public override void Execute(IXPathNavigable contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, Stream results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocument, dataSources, argumentList, XmlWriter.Create(results, this.staticData.DefaultWriterSettings)); } ////// Executes the query by accessing datasources via the XmlResolver and using run-time parameters /// as provided by the XsltArgumentList. The default document is mapped into the XmlResolver with the /// provided name. The results are output to the provided XmlWriter. /// public void Execute(string contextDocumentUri, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocumentUri, dataSources, argumentList, results, false); } #endif ////// Executes the query by accessing datasources via the XmlResolver and using /// run-time parameters as provided by the XsltArgumentList. The default document /// is mapped into the XmlResolver with the provided name. The results are returned /// as an IList. /// [ResourceConsumption(ResourceScope.Machine)] [ResourceExposure(ResourceScope.Machine)] public IList Evaluate(string contextDocumentUri, XmlResolver dataSources, XsltArgumentList argumentList) { XmlCachedSequenceWriter seqwrt = new XmlCachedSequenceWriter(); Execute(contextDocumentUri, dataSources, argumentList, seqwrt); return seqwrt.ResultSequence; } #if false ////// Executes the query by accessing datasources via the XmlResolver and using run-time parameters /// as provided by the XsltArgumentList. The default document is mapped into the XmlResolver with the /// provided name. The results are output to the provided XmlWriter. /// public override void Execute(XmlReader contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocument, dataSources, argumentList, results, false); } ////// Executes the query by accessing datasources via the XmlResolver and using run-time parameters /// as provided by the XsltArgumentList. The default document is mapped into the XmlResolver with the /// provided name. The results are output to the provided TextWriter. /// public override void Execute(XmlReader contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, TextWriter results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocument, dataSources, argumentList, XmlWriter.Create(results, this.staticData.DefaultWriterSettings), true); } ////// Executes the query by accessing datasources via the XmlResolver and using run-time parameters /// as provided by the XsltArgumentList. The default document is mapped into the XmlResolver with the /// provided name. The results are output to the provided Stream. /// public override void Execute(XmlReader contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, Stream results) { if (results == null) throw new ArgumentNullException("results"); Execute(contextDocument, dataSources, argumentList, XmlWriter.Create(results, this.staticData.DefaultWriterSettings), true); } ////// Executes the query by accessing datasources via the XmlResolver and using /// run-time parameters as provided by the XsltArgumentList. The default document /// is mapped into the XmlResolver with the provided name. The results are returned /// as an IList. /// public override IList Evaluate(XmlReader contextDocument, XmlResolver dataSources, XsltArgumentList argumentList) { XmlCachedSequenceWriter seqwrt = new XmlCachedSequenceWriter(); Execute(contextDocument, dataSources, argumentList, seqwrt); return seqwrt.ResultSequence; } #endif ////// Execute the dynamic assembly generated by the XmlILGenerator. /// [ResourceConsumption(ResourceScope.Machine)] [ResourceExposure(ResourceScope.Machine)] public void Execute(object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter writer) { try { // Try to extract a RawWriter XmlWellFormedWriter wellFormedWriter = writer as XmlWellFormedWriter; if (wellFormedWriter != null && wellFormedWriter.RawWriter != null && wellFormedWriter.WriteState == WriteState.Start && wellFormedWriter.Settings.ConformanceLevel != ConformanceLevel.Document) { // Extracted RawWriter from WellFormedWriter Execute(defaultDocument, dataSources, argumentList, new XmlMergeSequenceWriter(wellFormedWriter.RawWriter)); } else { // Wrap Writer in RawWriter Execute(defaultDocument, dataSources, argumentList, new XmlMergeSequenceWriter(new XmlRawWriterWrapper(writer))); } } finally { writer.Flush(); } } ////// Execute the dynamic assembly generated by the XmlILGenerator. /// [ResourceConsumption(ResourceScope.Machine)] [ResourceExposure(ResourceScope.Machine)] private void Execute(object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlSequenceWriter results) { Debug.Assert(results != null); // Ensure that dataSources is always non-null if (dataSources == null) dataSources = XmlNullResolver.Singleton; this.delExec(new XmlQueryRuntime(this.staticData, defaultDocument, dataSources, argumentList, results)); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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