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//------------------------------------------------------------------------------
// <copyright file="CopyCodeAction.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;
using System.Collections;
internal class CopyCodeAction : Action {
// Execution states:
private const int Outputting = 2;
private ArrayList copyEvents; // Copy code action events
internal CopyCodeAction() {
this.copyEvents = new ArrayList();
}
internal void AddEvent(Event copyEvent) {
this.copyEvents.Add(copyEvent);
}
internal void AddEvents(ArrayList copyEvents) {
Debug.Assert(copyEvents != null);
this.copyEvents.AddRange(copyEvents);
}
internal override void ReplaceNamespaceAlias(Compiler compiler) {
int count = this.copyEvents.Count;
for(int i = 0; i< count; i++) {
((Event) this.copyEvents[i]).ReplaceNamespaceAlias(compiler);
}
}
internal override void Execute(Processor processor, ActionFrame frame) {
Debug.Assert(processor != null && frame != null);
Debug.Assert(this.copyEvents != null && this.copyEvents.Count > 0);
switch (frame.State) {
case Initialized:
frame.Counter = 0;
frame.State = Outputting;
goto case Outputting;
case Outputting:
Debug.Assert(frame.State == Outputting);
while (processor.CanContinue) {
Debug.Assert(frame.Counter < this.copyEvents.Count);
Event copyEvent = (Event) this.copyEvents[frame.Counter];
if (copyEvent.Output(processor, frame) == false) {
// This event wasn't processed
break;
}
if (frame.IncrementCounter() >= this.copyEvents.Count) {
frame.Finished();
break;
}
}
break;
default:
Debug.Fail("Invalid CopyCodeAction execution state");
break;
}
}
internal override DbgData GetDbgData(ActionFrame frame) {
Debug.Assert(frame.Counter < this.copyEvents.Count);
return ((Event)this.copyEvents[frame.Counter]).DbgData;
}
}
}
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