ChooseAction.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / ChooseAction.cs / 1 / ChooseAction.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Xsl.XsltOld { 
    using Res = System.Xml.Utils.Res;
    using System; 
    using System.Diagnostics;
    using System.Xml;
    using System.Xml.XPath;
 
    internal class ChooseAction : ContainerAction {
        internal override void Compile(Compiler compiler) { 
            CompileAttributes(compiler); 

            if (compiler.Recurse()) { 
                CompileConditions(compiler);
                compiler.ToParent();
            }
        } 

        private void CompileConditions(Compiler compiler) { 
            NavigatorInput input = compiler.Input; 
            bool when       = false;
            bool otherwise  = false; 

            do {
                switch (input.NodeType) {
                case XPathNodeType.Element: 
                    compiler.PushNamespaceScope();
                    string nspace = input.NamespaceURI; 
                    string name   = input.LocalName; 

                    if (Keywords.Equals(nspace, input.Atoms.XsltNamespace)) { 
                        IfAction action = null;
                        if (Keywords.Equals(name, input.Atoms.When)) {
                            if (otherwise) {
                                throw XsltException.Create(Res.Xslt_WhenAfterOtherwise); 
                            }
                            action = compiler.CreateIfAction(IfAction.ConditionType.ConditionWhen); 
                            when = true; 
                        }
                        else if (Keywords.Equals(name, input.Atoms.Otherwise)) { 
                            if (otherwise) {
                                throw XsltException.Create(Res.Xslt_DupOtherwise);
                            }
                            action = compiler.CreateIfAction(IfAction.ConditionType.ConditionOtherwise); 
                            otherwise = true;
                        } 
                        else { 
                            throw compiler.UnexpectedKeyword();
                        } 
                        AddAction(action);
                    }
                    else {
                        throw compiler.UnexpectedKeyword(); 
                    }
                    compiler.PopScope(); 
                    break; 

                case XPathNodeType.Comment: 
                case XPathNodeType.ProcessingInstruction:
                case XPathNodeType.Whitespace:
                case XPathNodeType.SignificantWhitespace:
                    break; 

                default: 
                    throw XsltException.Create(Res.Xslt_InvalidContents, Keywords.s_Choose); 
                }
            } 
            while (compiler.Advance());
            if (! when) {
                throw XsltException.Create(Res.Xslt_NoWhen);
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
namespace System.Xml.Xsl.XsltOld { 
    using Res = System.Xml.Utils.Res;
    using System; 
    using System.Diagnostics;
    using System.Xml;
    using System.Xml.XPath;
 
    internal class ChooseAction : ContainerAction {
        internal override void Compile(Compiler compiler) { 
            CompileAttributes(compiler); 

            if (compiler.Recurse()) { 
                CompileConditions(compiler);
                compiler.ToParent();
            }
        } 

        private void CompileConditions(Compiler compiler) { 
            NavigatorInput input = compiler.Input; 
            bool when       = false;
            bool otherwise  = false; 

            do {
                switch (input.NodeType) {
                case XPathNodeType.Element: 
                    compiler.PushNamespaceScope();
                    string nspace = input.NamespaceURI; 
                    string name   = input.LocalName; 

                    if (Keywords.Equals(nspace, input.Atoms.XsltNamespace)) { 
                        IfAction action = null;
                        if (Keywords.Equals(name, input.Atoms.When)) {
                            if (otherwise) {
                                throw XsltException.Create(Res.Xslt_WhenAfterOtherwise); 
                            }
                            action = compiler.CreateIfAction(IfAction.ConditionType.ConditionWhen); 
                            when = true; 
                        }
                        else if (Keywords.Equals(name, input.Atoms.Otherwise)) { 
                            if (otherwise) {
                                throw XsltException.Create(Res.Xslt_DupOtherwise);
                            }
                            action = compiler.CreateIfAction(IfAction.ConditionType.ConditionOtherwise); 
                            otherwise = true;
                        } 
                        else { 
                            throw compiler.UnexpectedKeyword();
                        } 
                        AddAction(action);
                    }
                    else {
                        throw compiler.UnexpectedKeyword(); 
                    }
                    compiler.PopScope(); 
                    break; 

                case XPathNodeType.Comment: 
                case XPathNodeType.ProcessingInstruction:
                case XPathNodeType.Whitespace:
                case XPathNodeType.SignificantWhitespace:
                    break; 

                default: 
                    throw XsltException.Create(Res.Xslt_InvalidContents, Keywords.s_Choose); 
                }
            } 
            while (compiler.Advance());
            if (! when) {
                throw XsltException.Create(Res.Xslt_NoWhen);
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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