/
XslTransform.cs
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/
XslTransform.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Xml.XPath;
using System.Xml.Xsl.XsltOld;
using System.Xml.Xsl.XsltOld.Debugger;
namespace System.Xml.Xsl
{
public sealed class XslTransform
{
private XmlResolver? _documentResolver;
private bool _isDocumentResolverSet;
private XmlResolver? _DocumentResolver
{
get
{
if (_isDocumentResolverSet)
return _documentResolver;
else
{
return CreateDefaultResolver();
}
}
}
//
// Compiled stylesheet state
//
private Stylesheet? _CompiledStylesheet;
private List<TheQuery>? _QueryStore;
private RootAction? _RootAction;
public XslTransform() { }
public XmlResolver? XmlResolver
{
set
{
_documentResolver = value;
_isDocumentResolverSet = true;
}
}
public void Load(XmlReader stylesheet)
{
Load(stylesheet, CreateDefaultResolver());
}
public void Load(XmlReader stylesheet, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(stylesheet);
Load(new XPathDocument(stylesheet, XmlSpace.Preserve), resolver);
}
public void Load(IXPathNavigable stylesheet)
{
Load(stylesheet, CreateDefaultResolver());
}
public void Load(IXPathNavigable stylesheet, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(stylesheet);
Load(stylesheet.CreateNavigator()!, resolver);
}
public void Load(XPathNavigator stylesheet)
{
ArgumentNullException.ThrowIfNull(stylesheet);
Load(stylesheet, CreateDefaultResolver());
}
public void Load(XPathNavigator stylesheet, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(stylesheet);
Compile(stylesheet, resolver);
}
public void Load([StringSyntax(StringSyntaxAttribute.Uri)] string url)
{
XmlTextReaderImpl tr = new XmlTextReaderImpl(url);
Compile(Compiler.LoadDocument(tr).CreateNavigator(), CreateDefaultResolver());
}
public void Load([StringSyntax(StringSyntaxAttribute.Uri)] string url, XmlResolver? resolver)
{
XmlTextReaderImpl tr = new XmlTextReaderImpl(url);
{
tr.XmlResolver = resolver;
}
Compile(Compiler.LoadDocument(tr).CreateNavigator(), resolver);
}
// ------------------------------------ Transform() ------------------------------------ //
[MemberNotNull(nameof(_CompiledStylesheet))]
[MemberNotNull(nameof(_QueryStore))]
[MemberNotNull(nameof(_RootAction))]
private void CheckCommand()
{
if (_CompiledStylesheet == null)
{
throw new InvalidOperationException(SR.Xslt_NoStylesheetLoaded);
}
Debug.Assert(_QueryStore != null);
Debug.Assert(_RootAction != null);
}
public XmlReader Transform(XPathNavigator input, XsltArgumentList? args, XmlResolver? resolver)
{
CheckCommand();
Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, null);
return processor.StartReader();
}
public XmlReader Transform(XPathNavigator input, XsltArgumentList? args)
{
return Transform(input, args, _DocumentResolver);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, XmlWriter output, XmlResolver? resolver)
{
CheckCommand();
Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, null);
processor.Execute(output);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, XmlWriter output)
{
Transform(input, args, output, _DocumentResolver);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, Stream output, XmlResolver? resolver)
{
CheckCommand();
Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, null);
processor.Execute(output);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, Stream output)
{
Transform(input, args, output, _DocumentResolver);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, TextWriter output, XmlResolver? resolver)
{
CheckCommand();
Processor processor = new Processor(input, args, resolver, _CompiledStylesheet, _QueryStore, _RootAction, null);
processor.Execute(output);
}
public void Transform(XPathNavigator input, XsltArgumentList? args, TextWriter output)
{
CheckCommand();
Processor processor = new Processor(input, args, _DocumentResolver, _CompiledStylesheet, _QueryStore, _RootAction, null);
processor.Execute(output);
}
public XmlReader Transform(IXPathNavigable input, XsltArgumentList? args, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(input);
return Transform(input.CreateNavigator()!, args, resolver);
}
public XmlReader Transform(IXPathNavigable input, XsltArgumentList? args)
{
ArgumentNullException.ThrowIfNull(input);
return Transform(input.CreateNavigator()!, args, _DocumentResolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, TextWriter output, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, resolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, TextWriter output)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, _DocumentResolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, Stream output, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, resolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, Stream output)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, _DocumentResolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, XmlWriter output, XmlResolver? resolver)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, resolver);
}
public void Transform(IXPathNavigable input, XsltArgumentList? args, XmlWriter output)
{
ArgumentNullException.ThrowIfNull(input);
Transform(input.CreateNavigator()!, args, output, _DocumentResolver);
}
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
{
fs?.Dispose();
}
}
public void Transform(string inputfile, string outputfile)
{
Transform(inputfile, outputfile, _DocumentResolver);
}
// Implementation
private void Compile(XPathNavigator stylesheet, XmlResolver? resolver)
{
Debug.Assert(stylesheet != null);
Compiler compiler = new Compiler();
NavigatorInput input = new NavigatorInput(stylesheet);
compiler.Compile(input, resolver ?? XmlResolver.ThrowingResolver);
Debug.Assert(compiler.CompiledStylesheet != null);
Debug.Assert(compiler.QueryStore != null);
Debug.Assert(compiler.RootAction != null);
_CompiledStylesheet = compiler.CompiledStylesheet;
_QueryStore = compiler.QueryStore;
_RootAction = compiler.RootAction;
}
private static XmlResolver CreateDefaultResolver()
{
if (LocalAppContextSwitches.AllowDefaultResolver)
{
return XmlReaderSettings.GetDefaultPermissiveResolver();
}
else
{
return XmlResolver.ThrowingResolver;
}
}
}
}