mcs/class/referencesource/System.Xml/System/Xml/Xslt/XslTransform.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="XslTransform.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">[....]</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace System.Xml.Xsl {
   9     using System.Reflection;
  10     using System.Diagnostics;
  11     using System.IO;
  12     using System.Xml.XPath;
  13     using System.Xml.Xsl.XsltOld;
  14     using MS.Internal.Xml.XPath;
  15     using MS.Internal.Xml.Cache;
  16     using System.Collections.Generic;
  17     using System.Xml.Xsl.XsltOld.Debugger;
  18     using System.Security.Policy;
  19     using System.Security.Permissions;
  20     using System.Runtime.Versioning;
  21     using System.Xml.XmlConfiguration;
  22
  23     [Obsolete("This class has been deprecated. Please use System.Xml.Xsl.XslCompiledTransform instead. http://go.microsoft.com/fwlink/?linkid=14202")]
  24     public sealed class XslTransform {
  25         private XmlResolver _documentResolver = null;
  26         private bool isDocumentResolverSet = false;
  27         private XmlResolver _DocumentResolver {
  28             get {
  29                 if (isDocumentResolverSet)
  30                     return _documentResolver;
  31                 else
  32                     return XsltConfigSection.CreateDefaultResolver();
  33             }
  34         }
  35
  36
  37         //
  38         // Compiled stylesheet state
  39         //
  40         private Stylesheet  _CompiledStylesheet;
  41         private List<TheQuery>   _QueryStore;
  42         private RootAction  _RootAction;
  43
  44         private IXsltDebugger debugger;
  45
  46         public XslTransform() {}
  47
  48         public XmlResolver XmlResolver {
  49             set {
  50                 _documentResolver = value;
  51                 isDocumentResolverSet = true;
  52             }
  53         }
  54
  55         public void Load(XmlReader stylesheet) {
  56             Load(stylesheet, XsltConfigSection.CreateDefaultResolver());
  57         }
  58         public void Load(XmlReader stylesheet, XmlResolver resolver) {
  59             Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver);
  60         }
  61
  62         public void Load(IXPathNavigable stylesheet) {
  63             Load(stylesheet, XsltConfigSection.CreateDefaultResolver());
  64         }
  65         public void Load(IXPathNavigable stylesheet, XmlResolver resolver) {
  66             if (stylesheet == null) {
  67                 throw new ArgumentNullException("stylesheet");
  68             }
  69             Load(stylesheet.CreateNavigator(), resolver);
  70         }
  71
  72         public void Load(XPathNavigator stylesheet) {
  73             if (stylesheet == null) {
  74                 throw new ArgumentNullException("stylesheet");
  75             }
  76             Load(stylesheet, XsltConfigSection.CreateDefaultResolver());
  77         }
  78         public void Load(XPathNavigator stylesheet, XmlResolver resolver) {
  79             if (stylesheet == null) {
  80                 throw new ArgumentNullException("stylesheet");
  81             }
  82             Compile(stylesheet, resolver, /*evidence:*/null);
  83         }
  84
  85         [ResourceConsumption(ResourceScope.Machine)]
  86         [ResourceExposure(ResourceScope.Machine)]
  87         public void Load(string url) {
  88             XmlTextReaderImpl tr = new XmlTextReaderImpl(url);
  89             Evidence evidence = XmlSecureResolver.CreateEvidenceForUrl(tr.BaseURI); // We should ask BaseURI before we start reading because it's changing with each node
  90             Compile(Compiler.LoadDocument(tr).CreateNavigator(), XsltConfigSection.CreateDefaultResolver(), evidence);
  91         }
  92
  93         [ResourceConsumption(ResourceScope.Machine)]
  94         [ResourceExposure(ResourceScope.Machine)]
  95         public void Load(string url, XmlResolver resolver) {
  96             XmlTextReaderImpl tr = new XmlTextReaderImpl(url); {
  97                 tr.XmlResolver = resolver;
  98             }
  99             Evidence evidence = XmlSecureResolver.CreateEvidenceForUrl(tr.BaseURI); // We should ask BaseURI before we start reading because it's changing with each node
 100             Compile(Compiler.LoadDocument(tr).CreateNavigator(), resolver, evidence);
 101         }
 102
 103         public void Load(IXPathNavigable stylesheet, XmlResolver resolver, Evidence evidence) {
 104             if (stylesheet == null) {
 105                 throw new ArgumentNullException("stylesheet");
 106             }
 107             Load(stylesheet.CreateNavigator(), resolver, evidence);
 108         }
 109         public void Load(XmlReader stylesheet, XmlResolver resolver, Evidence evidence) {
 110             if (stylesheet == null) {
 111                 throw new ArgumentNullException("stylesheet");
 112             }
 113             Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver, evidence);
 114         }
 115         public void Load(XPathNavigator stylesheet, XmlResolver resolver, Evidence evidence) {
 116             if (stylesheet == null) {
 117                 throw new ArgumentNullException("stylesheet");
 118             }
 119 #if MONO_FEATURE_CAS
 120             if (evidence == null) {
 121                 evidence = new Evidence();
 122             }
 123             else {
 124                 new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
 125             }
 126 #endif
 127             Compile(stylesheet, resolver, evidence);
 128         }
 129
 130         // ------------------------------------ Transform() ------------------------------------ //
 131
 132         private void CheckCommand() {
 133             if (_CompiledStylesheet == null) {
 134                 throw new InvalidOperationException(Res.GetString(Res.Xslt_NoStylesheetLoaded));
 135             }
 136         }
 137
 138         public XmlReader Transform(XPathNavigator input, XsltArgumentList args, XmlResolver resolver) {
 139             CheckCommand();
 140             Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
 141             return processor.StartReader();
 142         }
 143
 144         public XmlReader Transform(XPathNavigator input, XsltArgumentList args) {
 145             return Transform(input, args, _DocumentResolver);
 146         }
 147
 148         public void Transform(XPathNavigator input, XsltArgumentList args, XmlWriter output, XmlResolver resolver) {
 149             CheckCommand();
 150             Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
 151             processor.Execute(output);
 152         }
 153
 154         public void Transform(XPathNavigator input, XsltArgumentList args, XmlWriter output) {
 155             Transform(input, args, output, _DocumentResolver);
 156         }
 157         public void Transform(XPathNavigator input, XsltArgumentList args, Stream output, XmlResolver resolver) {
 158             CheckCommand();
 159             Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
 160             processor.Execute(output);
 161         }
 162
 163         public void Transform(XPathNavigator input, XsltArgumentList args, Stream output) {
 164             Transform(input, args, output, _DocumentResolver);
 165         }
 166
 167         public void Transform(XPathNavigator input, XsltArgumentList args, TextWriter output, XmlResolver resolver) {
 168             CheckCommand();
 169             Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
 170             processor.Execute(output);
 171         }
 172
 173         public void Transform(XPathNavigator input, XsltArgumentList args, TextWriter output) {
 174             CheckCommand();
 175             Processor processor = new Processor(input, args, _DocumentResolver, _CompiledStylesheet, _QueryStore, _RootAction, debugger);
 176             processor.Execute(output);
 177         }
 178
 179         public XmlReader Transform(IXPathNavigable input, XsltArgumentList args, XmlResolver resolver) {
 180             if (input == null) {
 181                 throw new ArgumentNullException("input");
 182             }
 183             return Transform(input.CreateNavigator(), args, resolver);
 184         }
 185
 186         public XmlReader Transform(IXPathNavigable input, XsltArgumentList args) {
 187             if (input == null) {
 188                 throw new ArgumentNullException("input");
 189             }
 190             return Transform(input.CreateNavigator(), args, _DocumentResolver);
 191         }
 192         public void Transform(IXPathNavigable input, XsltArgumentList args, TextWriter output, XmlResolver resolver) {
 193             if (input == null) {
 194                 throw new ArgumentNullException("input");
 195             }
 196             Transform(input.CreateNavigator(), args, output, resolver);
 197         }
 198
 199         public void Transform(IXPathNavigable input, XsltArgumentList args, TextWriter output) {
 200             if (input == null) {
 201                 throw new ArgumentNullException("input");
 202             }
 203             Transform(input.CreateNavigator(), args, output, _DocumentResolver);
 204         }
 205
 206         public void Transform(IXPathNavigable input, XsltArgumentList args, Stream output, XmlResolver resolver) {
 207             if (input == null) {
 208                 throw new ArgumentNullException("input");
 209             }
 210             Transform(input.CreateNavigator(), args, output, resolver);
 211         }
 212
 213         public void Transform(IXPathNavigable input, XsltArgumentList args, Stream output) {
 214             if (input == null) {
 215                 throw new ArgumentNullException("input");
 216             }
 217             Transform(input.CreateNavigator(), args, output, _DocumentResolver);
 218         }
 219
 220         public void Transform(IXPathNavigable input, XsltArgumentList args, XmlWriter output, XmlResolver resolver) {
 221             if (input == null) {
 222                 throw new ArgumentNullException("input");
 223             }
 224             Transform(input.CreateNavigator(), args, output, resolver);
 225         }
 226
 227         public void Transform(IXPathNavigable input, XsltArgumentList args, XmlWriter output) {
 228             if (input == null) {
 229                 throw new ArgumentNullException("input");
 230             }
 231             Transform(input.CreateNavigator(), args, output, _DocumentResolver);
 232         }
 233
 234         [ResourceConsumption(ResourceScope.Machine)]
 235         [ResourceExposure(ResourceScope.Machine)]
 236         public void Transform(String inputfile, String outputfile, XmlResolver resolver) {
 237             FileStream fs = null;
 238             try {
 239                 // We should read doc before creating output file in case they are the same
 240                 XPathDocument doc = new XPathDocument(inputfile);
 241                 fs = new FileStream(outputfile, FileMode.Create, FileAccess.ReadWrite);
 242                 Transform(doc, /*args:*/null, fs, resolver);
 243             }
 244             finally {
 245                 if (fs != null) {
 246                     fs.Close();
 247                 }
 248             }
 249             }
 250
 251         [ResourceConsumption(ResourceScope.Machine)]
 252         [ResourceExposure(ResourceScope.Machine)]
 253         public void Transform(String inputfile, String outputfile) {
 254             Transform(inputfile, outputfile, _DocumentResolver);
 255         }
 256
 257         // Implementation
 258
 259         private void Compile(XPathNavigator stylesheet, XmlResolver resolver, Evidence evidence) {
 260             Debug.Assert(stylesheet != null);
 261
 262             Compiler  compiler = (Debugger == null) ? new Compiler() : new DbgCompiler(this.Debugger);
 263             NavigatorInput input = new NavigatorInput(stylesheet);
 264             compiler.Compile(input, resolver ?? XmlNullResolver.Singleton, evidence);
 265
 266             Debug.Assert(compiler.CompiledStylesheet != null);
 267             Debug.Assert(compiler.QueryStore != null);
 268             Debug.Assert(compiler.QueryStore != null);
 269             _CompiledStylesheet = compiler.CompiledStylesheet;
 270             _QueryStore         = compiler.QueryStore;
 271             _RootAction         = compiler.RootAction;
 272         }
 273
 274         internal IXsltDebugger Debugger {
 275             get { return this.debugger; }
 276         }
 277
 278 #if false
 279         internal XslTransform(IXsltDebugger debugger) {
 280             this.debugger = debugger;
 281         }
 282 #endif
 283
 284         internal XslTransform(object debugger) {
 285             if (debugger != null) {
 286                 this.debugger = new DebuggerAddapter(debugger);
 287             }
 288         }
 289
 290         private class DebuggerAddapter : IXsltDebugger {
 291             private object unknownDebugger;
 292             private MethodInfo getBltIn;
 293             private MethodInfo onCompile;
 294             private MethodInfo onExecute;
 295             public DebuggerAddapter(object unknownDebugger) {
 296                 this.unknownDebugger = unknownDebugger;
 297                 BindingFlags flags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static;
 298                 Type unknownType = unknownDebugger.GetType();
 299                 getBltIn  = unknownType.GetMethod("GetBuiltInTemplatesUri", flags);
 300                 onCompile = unknownType.GetMethod("OnInstructionCompile"  , flags);
 301                 onExecute = unknownType.GetMethod("OnInstructionExecute"  , flags);
 302             }
 303             // ------------------ IXsltDebugger ---------------
 304             public string GetBuiltInTemplatesUri() {
 305                 if (getBltIn == null) {
 306                     return null;
 307                 }
 308                 return (string) getBltIn.Invoke(unknownDebugger, new object[] {});
 309             }
 310             public void OnInstructionCompile(XPathNavigator styleSheetNavigator) {
 311                 if (onCompile != null) {
 312                     onCompile.Invoke(unknownDebugger, new object[] { styleSheetNavigator });
 313                 }
 314             }
 315             public void OnInstructionExecute(IXsltProcessor xsltProcessor) {
 316                 if (onExecute != null) {
 317                     onExecute.Invoke(unknownDebugger, new object[] { xsltProcessor });
 318                 }
 319             }
 320         }
 321     }
 322 }