82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="CopyCodeAction.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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//------------------------------------------------------------------------------
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namespace System.Xml.Xsl.XsltOld {
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using Res = System.Xml.Utils.Res;
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using System;
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using System.Diagnostics;
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using System.Xml;
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using System.Xml.XPath;
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using System.Collections;
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internal class CopyCodeAction : Action {
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// Execution states:
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private const int Outputting = 2;
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private ArrayList copyEvents; // Copy code action events
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internal CopyCodeAction() {
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this.copyEvents = new ArrayList();
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}
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internal void AddEvent(Event copyEvent) {
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this.copyEvents.Add(copyEvent);
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}
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internal void AddEvents(ArrayList copyEvents) {
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Debug.Assert(copyEvents != null);
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this.copyEvents.AddRange(copyEvents);
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}
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internal override void ReplaceNamespaceAlias(Compiler compiler) {
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int count = this.copyEvents.Count;
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for(int i = 0; i< count; i++) {
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((Event) this.copyEvents[i]).ReplaceNamespaceAlias(compiler);
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}
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}
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internal override void Execute(Processor processor, ActionFrame frame) {
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Debug.Assert(processor != null && frame != null);
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Debug.Assert(this.copyEvents != null && this.copyEvents.Count > 0);
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switch (frame.State) {
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case Initialized:
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frame.Counter = 0;
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frame.State = Outputting;
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goto case Outputting;
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case Outputting:
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Debug.Assert(frame.State == Outputting);
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while (processor.CanContinue) {
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Debug.Assert(frame.Counter < this.copyEvents.Count);
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Event copyEvent = (Event) this.copyEvents[frame.Counter];
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if (copyEvent.Output(processor, frame) == false) {
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// This event wasn't processed
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break;
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}
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if (frame.IncrementCounter() >= this.copyEvents.Count) {
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frame.Finished();
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break;
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}
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}
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break;
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default:
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Debug.Fail("Invalid CopyCodeAction execution state");
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break;
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}
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}
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internal override DbgData GetDbgData(ActionFrame frame) {
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Debug.Assert(frame.Counter < this.copyEvents.Count);
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return ((Event)this.copyEvents[frame.Counter]).DbgData;
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}
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}
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}
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