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//------------------------------------------------------------------------------
// <copyright file="newinstructionaction.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Xml.Xsl.XsltOld {
using Res = System.Xml.Utils.Res;
using System;
using System.Diagnostics;
using System.Xml;
using System.Xml.XPath;
internal class NewInstructionAction : ContainerAction {
string name;
string parent;
bool fallback;
internal override void Compile(Compiler compiler) {
XPathNavigator nav = compiler.Input.Navigator.Clone();
name = nav.Name;
nav.MoveToParent();
parent = nav.Name;
if (compiler.Recurse()) {
CompileSelectiveTemplate(compiler);
compiler.ToParent();
}
}
internal void CompileSelectiveTemplate(Compiler compiler){
NavigatorInput input = compiler.Input;
do{
if (Ref.Equal(input.NamespaceURI, input.Atoms.UriXsl) &&
Ref.Equal(input.LocalName, input.Atoms.Fallback)){
fallback = true;
if (compiler.Recurse()){
CompileTemplate(compiler);
compiler.ToParent();
}
}
}
while (compiler.Advance());
}
internal override void Execute(Processor processor, ActionFrame frame) {
Debug.Assert(processor != null && frame != null);
switch (frame.State) {
case Initialized:
if (!fallback) {
throw XsltException.Create(Res.Xslt_UnknownExtensionElement, this.name);
}
if (this.containedActions != null && this.containedActions.Count > 0) {
processor.PushActionFrame(frame);
frame.State = ProcessingChildren;
break;
}
else goto case ProcessingChildren;
case ProcessingChildren:
frame.Finished();
break;
default:
Debug.Fail("Invalid Container action execution state");
break;
}
}
}
}
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