WithParamAction.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / WithParamAction.cs / 1305376 / WithParamAction.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.Collections;
    using System.Xml;
    using System.Xml.XPath; 

    internal class WithParamAction : VariableAction { 
        internal WithParamAction() : base(VariableType.WithParameter) {} 

        internal override void Compile(Compiler compiler) { 
            CompileAttributes(compiler);
            CheckRequiredAttribute(compiler, this.name, "name");
            if (compiler.Recurse()) {
                CompileTemplate(compiler); 
                compiler.ToParent();
 
                if (this.selectKey != Compiler.InvalidQueryKey && this.containedActions != null) { 
                    throw XsltException.Create(Res.Xslt_VariableCntSel2, this.nameStr);
                } 
            }
        }

        internal override void Execute(Processor processor, ActionFrame frame) { 
            Debug.Assert(processor != null && frame != null);
            object ParamValue; 
            switch(frame.State) { 
            case Initialized:
                if (this.selectKey != Compiler.InvalidQueryKey) { 
                    ParamValue = processor.RunQuery(frame, this.selectKey);
                    processor.SetParameter(this.name, ParamValue);
                    frame.Finished();
                } 
                else {
                    if (this.containedActions == null) { 
                        processor.SetParameter(this.name, string.Empty); 
                        frame.Finished();
                        break; 
                    }
                    NavigatorOutput output = new NavigatorOutput(baseUri);
                    processor.PushOutput(output);
                    processor.PushActionFrame(frame); 
                    frame.State = ProcessingChildren;
                } 
                break; 
            case ProcessingChildren:
                RecordOutput recOutput = processor.PopOutput(); 
                Debug.Assert(recOutput is NavigatorOutput);
                processor.SetParameter(this.name,((NavigatorOutput)recOutput).Navigator);
                frame.Finished();
                break; 
            default:
                Debug.Fail("Invalid execution state inside VariableAction.Execute"); 
 		    break; 
            }
        } 
    }
}

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

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