83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="CopyNamespacesAction.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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internal sealed class CopyNamespacesAction : Action {
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private const int BeginEvent = 2;
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private const int TextEvent = 3;
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private const int EndEvent = 4;
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private const int Advance = 5;
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private static CopyNamespacesAction s_Action = new CopyNamespacesAction();
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internal static CopyNamespacesAction GetAction() {
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Debug.Assert(s_Action != null);
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return s_Action;
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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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while (processor.CanContinue) {
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switch (frame.State) {
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case Initialized:
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if (frame.Node.MoveToFirstNamespace(XPathNamespaceScope.ExcludeXml) == false) {
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frame.Finished();
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break;
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}
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frame.State = BeginEvent;
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goto case BeginEvent;
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case BeginEvent:
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Debug.Assert(frame.State == BeginEvent);
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Debug.Assert(frame.Node.NodeType == XPathNodeType.Namespace);
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if (processor.BeginEvent(XPathNodeType.Namespace, null, frame.Node.LocalName, frame.Node.Value, false) == false) {
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// This one wasn't output
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break;
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}
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frame.State = EndEvent;
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continue;
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case EndEvent:
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Debug.Assert(frame.State == EndEvent);
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Debug.Assert(frame.Node.NodeType == XPathNodeType.Namespace);
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if (processor.EndEvent(XPathNodeType.Namespace) == false) {
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// This one wasn't output
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break;
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}
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frame.State = Advance;
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continue;
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case Advance:
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Debug.Assert(frame.State == Advance);
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Debug.Assert(frame.Node.NodeType == XPathNodeType.Namespace);
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if (frame.Node.MoveToNextNamespace(XPathNamespaceScope.ExcludeXml)) {
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frame.State = BeginEvent;
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continue;
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}
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else {
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frame.Node.MoveToParent();
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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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}// while
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}
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}
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}
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