XslTransform.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Xml / System / Xml / Xslt / XslTransform.cs / 1 / XslTransform.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Xsl { 
#if ! HIDE_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;

    [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");
            }
            if (resolver == null) { 
                resolver = new XmlNullResolver();
            } 
            Compile(stylesheet, resolver, /*evidence:*/null); 
        }
 
        public void Load(string url) {
            Load(url, new XmlUrlResolver());
        }
        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
            if (resolver == null) { 
                resolver = new XmlNullResolver();
            }
            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 (resolver == null) { 
                resolver = new XmlNullResolver();
            } 
            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); 
        }

        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(); 
                }
            } 
 	    } 

        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); 
            Debug.Assert(resolver   != null);
 
            Compiler  compiler = (Debugger == null) ? new Compiler() : new DbgCompiler(this.Debugger);
            NavigatorInput input = new NavigatorInput(stylesheet);
            compiler.Compile(input, resolver, 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 });
                }
            } 
        }
    } 
#endif // ! HIDE_XSL 
}

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

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