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//------------------------------------------------------------------------------
// <copyright file="CallTemplateAction.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 CallTemplateAction : ContainerAction {
private const int ProcessedChildren = 2;
private const int ProcessedTemplate = 3;
private XmlQualifiedName name;
internal override void Compile(Compiler compiler) {
CompileAttributes(compiler);
CheckRequiredAttribute(compiler, this.name, "name");
CompileContent(compiler);
}
internal override bool CompileAttribute(Compiler compiler) {
string name = compiler.Input.LocalName;
string value = compiler.Input.Value;
if (Ref.Equal(name, compiler.Atoms.Name)) {
Debug.Assert(this.name == null);
this.name = compiler.CreateXPathQName(value);
}
else {
return false;
}
return true;
}
private void CompileContent(Compiler compiler) {
NavigatorInput input = compiler.Input;
if (compiler.Recurse()) {
do {
switch(input.NodeType) {
case XPathNodeType.Element:
compiler.PushNamespaceScope();
string nspace = input.NamespaceURI;
string name = input.LocalName;
if (Ref.Equal(nspace, input.Atoms.UriXsl) && Ref.Equal(name, input.Atoms.WithParam)) {
WithParamAction par = compiler.CreateWithParamAction();
CheckDuplicateParams(par.Name);
AddAction(par);
}
else {
throw compiler.UnexpectedKeyword();
}
compiler.PopScope();
break;
case XPathNodeType.Comment:
case XPathNodeType.ProcessingInstruction:
case XPathNodeType.Whitespace:
case XPathNodeType.SignificantWhitespace:
break;
default:
throw XsltException.Create(Res.Xslt_InvalidContents, "call-template");
}
} while(compiler.Advance());
compiler.ToParent();
}
}
internal override void Execute(Processor processor, ActionFrame frame) {
Debug.Assert(processor != null && frame != null);
switch(frame.State) {
case Initialized :
processor.ResetParams();
if (this.containedActions != null && this.containedActions.Count > 0) {
processor.PushActionFrame(frame);
frame.State = ProcessedChildren;
break;
}
goto case ProcessedChildren;
case ProcessedChildren:
TemplateAction action = processor.Stylesheet.FindTemplate(this.name);
if (action != null) {
frame.State = ProcessedTemplate;
processor.PushActionFrame(action, frame.NodeSet);
break;
}
else {
throw XsltException.Create(Res.Xslt_InvalidCallTemplate, this.name.ToString());
}
case ProcessedTemplate:
frame.Finished();
break;
default:
Debug.Fail("Invalid CallTemplateAction execution state");
break;
}
}
}
}
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