81 lines
3.1 KiB
C#
81 lines
3.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ChooseAction.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">Microsoft</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 class ChooseAction : ContainerAction {
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internal override void Compile(Compiler compiler) {
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CompileAttributes(compiler);
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if (compiler.Recurse()) {
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CompileConditions(compiler);
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compiler.ToParent();
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}
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}
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private void CompileConditions(Compiler compiler) {
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NavigatorInput input = compiler.Input;
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bool when = false;
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bool otherwise = false;
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do {
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switch (input.NodeType) {
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case XPathNodeType.Element:
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compiler.PushNamespaceScope();
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string nspace = input.NamespaceURI;
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string name = input.LocalName;
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if (Ref.Equal(nspace, input.Atoms.UriXsl)) {
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IfAction action = null;
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if (Ref.Equal(name, input.Atoms.When)) {
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if (otherwise) {
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throw XsltException.Create(Res.Xslt_WhenAfterOtherwise);
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}
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action = compiler.CreateIfAction(IfAction.ConditionType.ConditionWhen);
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when = true;
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}
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else if (Ref.Equal(name, input.Atoms.Otherwise)) {
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if (otherwise) {
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throw XsltException.Create(Res.Xslt_DupOtherwise);
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}
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action = compiler.CreateIfAction(IfAction.ConditionType.ConditionOtherwise);
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otherwise = true;
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}
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else {
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throw compiler.UnexpectedKeyword();
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}
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AddAction(action);
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}
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else {
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throw compiler.UnexpectedKeyword();
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}
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compiler.PopScope();
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break;
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case XPathNodeType.Comment:
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case XPathNodeType.ProcessingInstruction:
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case XPathNodeType.Whitespace:
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case XPathNodeType.SignificantWhitespace:
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break;
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default:
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throw XsltException.Create(Res.Xslt_InvalidContents, "choose");
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}
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}
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while (compiler.Advance());
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if (! when) {
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throw XsltException.Create(Res.Xslt_NoWhen);
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}
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}
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}
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}
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