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//------------------------------------------------------------------------------
// <copyright file="TemplateManager.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 TemplateManager {
private XmlQualifiedName mode;
internal ArrayList templates;
private Stylesheet stylesheet; // Owning stylesheet
private class TemplateComparer : IComparer {
public int Compare(object x, object y) {
Debug.Assert(x != null && x is TemplateAction);
Debug.Assert(y != null && y is TemplateAction);
TemplateAction tx = (TemplateAction) x;
TemplateAction ty = (TemplateAction) y;
Debug.Assert(! Double.IsNaN(tx.Priority));
Debug.Assert(! Double.IsNaN(ty.Priority));
if (tx.Priority == ty.Priority) {
Debug.Assert(tx.TemplateId != ty.TemplateId || tx == ty);
return tx.TemplateId - ty.TemplateId;
}
else {
return tx.Priority > ty.Priority ? 1 : -1;
}
}
}
private static TemplateComparer s_TemplateComparer = new TemplateComparer();
internal XmlQualifiedName Mode {
get { return this.mode; }
}
internal TemplateManager(Stylesheet stylesheet, XmlQualifiedName mode) {
this.mode = mode;
this.stylesheet = stylesheet;
}
internal void AddTemplate(TemplateAction template) {
Debug.Assert(template != null);
Debug.Assert(
((object) this.mode == (object) template.Mode) ||
(template.Mode == null && this.mode.Equals(XmlQualifiedName.Empty)) ||
this.mode.Equals(template.Mode)
);
if (this.templates == null) {
this.templates = new ArrayList();
}
this.templates.Add(template);
}
internal void ProcessTemplates() {
if (this.templates != null) {
this.templates.Sort(s_TemplateComparer);
}
}
internal TemplateAction FindTemplate(Processor processor, XPathNavigator navigator) {
if (this.templates == null) {
return null;
}
Debug.Assert(this.templates != null);
for (int templateIndex = this.templates.Count - 1; templateIndex >= 0 ; templateIndex --) {
TemplateAction action = (TemplateAction) this.templates[templateIndex];
int matchKey = action.MatchKey;
if (matchKey != Compiler.InvalidQueryKey) {
if (processor.Matches(navigator, matchKey)) {
return action;
}
}
}
return null;
}
}
}
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