XslTransform.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Xml / System / Xml / Xslt / XslTransform.cs / 1305376 / XslTransform.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Xsl { 
    using System.Reflection;
    using System.Diagnostics; 
    using System.IO;
    using System.Xml.XPath;
    using System.Xml.Xsl.XsltOld;
    using MS.Internal.Xml.XPath; 
    using MS.Internal.Xml.Cache;
    using System.Collections.Generic; 
    using System.Xml.Xsl.XsltOld.Debugger; 
    using System.Security.Policy;
    using System.Security.Permissions; 
    using System.Runtime.Versioning;

    [Obsolete("This class has been deprecated. Please use System.Xml.Xsl.XslCompiledTransform instead. http://go.microsoft.com/fwlink/?linkid=14202")]
    public sealed class XslTransform { 
        private XmlResolver _XmlResolver = new XmlUrlResolver();
 
        // 
        // Compiled stylesheet state
        // 
        private Stylesheet  _CompiledStylesheet;
        private List   _QueryStore;
        private RootAction  _RootAction;
 
        private IXsltDebugger debugger;
 
        public XslTransform() {} 

        public XmlResolver XmlResolver { 
            set { _XmlResolver = value; }
        }

        public void Load(XmlReader stylesheet) { 
            Load(stylesheet, new XmlUrlResolver());
        } 
        public void Load(XmlReader stylesheet, XmlResolver resolver) { 
            Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver);
        } 

        public void Load(IXPathNavigable stylesheet) {
            Load(stylesheet, new XmlUrlResolver());
        } 
        public void Load(IXPathNavigable stylesheet, XmlResolver resolver) {
            if (stylesheet == null) { 
                throw new ArgumentNullException("stylesheet"); 
            }
            Load(stylesheet.CreateNavigator(), resolver); 
        }

        public void Load(XPathNavigator stylesheet) {
            if (stylesheet == null) { 
                throw new ArgumentNullException("stylesheet");
            } 
            Load(stylesheet, new XmlUrlResolver()); 
        }
        public void Load(XPathNavigator stylesheet, XmlResolver resolver) { 
            if (stylesheet == null) {
                throw new ArgumentNullException("stylesheet");
            }
            Compile(stylesheet, resolver, /*evidence:*/null); 
        }
 
        [ResourceConsumption(ResourceScope.Machine)] 
        [ResourceExposure(ResourceScope.Machine)]
        public void Load(string url) { 
            Load(url, new XmlUrlResolver());
        }

        [ResourceConsumption(ResourceScope.Machine)] 
        [ResourceExposure(ResourceScope.Machine)]
        public void Load(string url, XmlResolver resolver) { 
            XmlTextReaderImpl tr = new XmlTextReaderImpl(url); { 
                tr.XmlResolver = resolver;
            } 
            Evidence evidence = XmlSecureResolver.CreateEvidenceForUrl(tr.BaseURI); // We should ask BaseURI before we start reading because it's changing with each node
            Compile(Compiler.LoadDocument(tr).CreateNavigator(), resolver, evidence);
        }
 
        public void Load(IXPathNavigable stylesheet, XmlResolver resolver, Evidence evidence) {
            if (stylesheet == null) { 
                throw new ArgumentNullException("stylesheet"); 
            }
            Load(stylesheet.CreateNavigator(), resolver, evidence); 
        }
        public void Load(XmlReader stylesheet, XmlResolver resolver, Evidence evidence) {
            if (stylesheet == null) {
                throw new ArgumentNullException("stylesheet"); 
            }
            Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver, evidence); 
        } 
        public void Load(XPathNavigator stylesheet, XmlResolver resolver, Evidence evidence) {
            if (stylesheet == null) { 
                throw new ArgumentNullException("stylesheet");
            }
            if (evidence == null) {
                evidence = new Evidence(); 
            }
            else { 
                new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand(); 
            }
            Compile(stylesheet, resolver, evidence); 
        }

        // ------------------------------------ Transform() ------------------------------------ //
 
        private void CheckCommand() {
            if (_CompiledStylesheet == null) { 
                throw new InvalidOperationException(Res.GetString(Res.Xslt_NoStylesheetLoaded)); 
            }
        } 

        public XmlReader Transform(XPathNavigator input, XsltArgumentList args, XmlResolver resolver) {
            CheckCommand();
            Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger); 
            return processor.StartReader();
        } 
 
        public XmlReader Transform(XPathNavigator input, XsltArgumentList args) {
            return Transform(input, args, _XmlResolver); 
        }

        public void Transform(XPathNavigator input, XsltArgumentList args, XmlWriter output, XmlResolver resolver) {
            CheckCommand(); 
            Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
            processor.Execute(output); 
        } 

        public void Transform(XPathNavigator input, XsltArgumentList args, XmlWriter output) { 
            Transform(input, args, output, _XmlResolver);
        }
        public void Transform(XPathNavigator input, XsltArgumentList args, Stream output, XmlResolver resolver) {
            CheckCommand(); 
            Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
            processor.Execute(output); 
        } 

        public void Transform(XPathNavigator input, XsltArgumentList args, Stream output) { 
            Transform(input, args, output, _XmlResolver);
        }

        public void Transform(XPathNavigator input, XsltArgumentList args, TextWriter output, XmlResolver resolver) { 
            CheckCommand();
            Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger); 
            processor.Execute(output); 
        }
 
        public void Transform(XPathNavigator input, XsltArgumentList args, TextWriter output) {
            CheckCommand();
            Processor processor = new Processor(input, args, _XmlResolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
            processor.Execute(output); 
        }
 
        public XmlReader Transform(IXPathNavigable input, XsltArgumentList args, XmlResolver resolver) { 
            if (input == null) {
                throw new ArgumentNullException("input"); 
            }
            return Transform(input.CreateNavigator(), args, resolver);
        }
 
        public XmlReader Transform(IXPathNavigable input, XsltArgumentList args) {
            if (input == null) { 
                throw new ArgumentNullException("input"); 
            }
            return Transform(input.CreateNavigator(), args, _XmlResolver); 
        }
        public void Transform(IXPathNavigable input, XsltArgumentList args, TextWriter output, XmlResolver resolver) {
            if (input == null) {
                throw new ArgumentNullException("input"); 
            }
            Transform(input.CreateNavigator(), args, output, resolver); 
        } 

        public void Transform(IXPathNavigable input, XsltArgumentList args, TextWriter output) { 
            if (input == null) {
                throw new ArgumentNullException("input");
            }
            Transform(input.CreateNavigator(), args, output, _XmlResolver); 
        }
 
        public void Transform(IXPathNavigable input, XsltArgumentList args, Stream output, XmlResolver resolver) { 
            if (input == null) {
                throw new ArgumentNullException("input"); 
            }
            Transform(input.CreateNavigator(), args, output, resolver);
        }
 
        public void Transform(IXPathNavigable input, XsltArgumentList args, Stream output) {
            if (input == null) { 
                throw new ArgumentNullException("input"); 
            }
            Transform(input.CreateNavigator(), args, output, _XmlResolver); 
        }

        public void Transform(IXPathNavigable input, XsltArgumentList args, XmlWriter output, XmlResolver resolver) {
            if (input == null) { 
                throw new ArgumentNullException("input");
            } 
            Transform(input.CreateNavigator(), args, output, resolver); 
        }
 
        public void Transform(IXPathNavigable input, XsltArgumentList args, XmlWriter output) {
            if (input == null) {
                throw new ArgumentNullException("input");
            } 
            Transform(input.CreateNavigator(), args, output, _XmlResolver);
        } 
 
        [ResourceConsumption(ResourceScope.Machine)]
        [ResourceExposure(ResourceScope.Machine)] 
        public void Transform(String inputfile, String outputfile, XmlResolver resolver) {
            FileStream fs = null;
            try {
                // We should read doc before creating output file in case they are the same 
                XPathDocument doc = new XPathDocument(inputfile);
                fs = new FileStream(outputfile, FileMode.Create, FileAccess.ReadWrite); 
                Transform(doc, /*args:*/null, fs, resolver); 
            }
            finally { 
                if (fs != null) {
                    fs.Close();
                }
            } 
 	    }
 
        [ResourceConsumption(ResourceScope.Machine)] 
        [ResourceExposure(ResourceScope.Machine)]
        public void Transform(String inputfile, String outputfile) { 
            Transform(inputfile, outputfile, _XmlResolver);
        }

        // Implementation 

        private void Compile(XPathNavigator stylesheet, XmlResolver resolver, Evidence evidence) { 
            Debug.Assert(stylesheet != null); 

            Compiler  compiler = (Debugger == null) ? new Compiler() : new DbgCompiler(this.Debugger); 
            NavigatorInput input = new NavigatorInput(stylesheet);
            compiler.Compile(input, resolver ?? XmlNullResolver.Singleton, evidence);

            Debug.Assert(compiler.CompiledStylesheet != null); 
            Debug.Assert(compiler.QueryStore != null);
            Debug.Assert(compiler.QueryStore != null); 
            _CompiledStylesheet = compiler.CompiledStylesheet; 
            _QueryStore         = compiler.QueryStore;
            _RootAction         = compiler.RootAction; 
        }

        internal IXsltDebugger Debugger {
            get { return this.debugger; } 
        }
 
#if false 
        internal XslTransform(IXsltDebugger debugger) {
            this.debugger = debugger; 
        }
#endif

        internal XslTransform(object debugger) { 
            if (debugger != null) {
                this.debugger = new DebuggerAddapter(debugger); 
            } 
        }
 
        private class DebuggerAddapter : IXsltDebugger {
            private object unknownDebugger;
            private MethodInfo getBltIn;
            private MethodInfo onCompile; 
            private MethodInfo onExecute;
            public DebuggerAddapter(object unknownDebugger) { 
                this.unknownDebugger = unknownDebugger; 
                BindingFlags flags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static;
                Type unknownType = unknownDebugger.GetType(); 
                getBltIn  = unknownType.GetMethod("GetBuiltInTemplatesUri", flags);
                onCompile = unknownType.GetMethod("OnInstructionCompile"  , flags);
                onExecute = unknownType.GetMethod("OnInstructionExecute"  , flags);
            } 
            // ------------------ IXsltDebugger ---------------
            public string GetBuiltInTemplatesUri() { 
                if (getBltIn == null) { 
                    return null;
                } 
                return (string) getBltIn.Invoke(unknownDebugger, new object[] {});
            }
            public void OnInstructionCompile(XPathNavigator styleSheetNavigator) {
                if (onCompile != null) { 
                    onCompile.Invoke(unknownDebugger, new object[] { styleSheetNavigator });
                } 
            } 
            public void OnInstructionExecute(IXsltProcessor xsltProcessor) {
                if (onExecute != null) { 
                    onExecute.Invoke(unknownDebugger, new object[] { xsltProcessor });
                }
            }
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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XslTransform.cs source code in C# .NET

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