UseAttributeSetsAction.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 / UseAttributeSetsAction.cs / 1305376 / UseAttributeSetsAction.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;
    using System.Collections; 

    internal class UseAttributeSetsAction : CompiledAction { 
        private XmlQualifiedName[]  useAttributeSets; 
        private string              useString;
 
        private const int  ProcessingSets = 2;

        internal XmlQualifiedName[] UsedSets {
            get { return this.useAttributeSets; } 
        }
 
        internal override void Compile(Compiler compiler) { 
            Debug.Assert(Ref.Equal(compiler.Input.LocalName, compiler.Atoms.UseAttributeSets));
            this.useString = compiler.Input.Value; 

            Debug.Assert(this.useAttributeSets == null);

            if (this.useString.Length == 0) { 
                // Split creates empty node is spliting empty string
                this.useAttributeSets = new XmlQualifiedName[0]; 
                return; 
            }
 
            string[] qnames = XmlConvert.SplitString(this.useString);

            try {
                this.useAttributeSets = new XmlQualifiedName[qnames.Length]; { 
                    for (int i = 0; i < qnames.Length; i++) {
                        this.useAttributeSets[i] = compiler.CreateXPathQName(qnames[i]); 
                    } 
                }
            } 
            catch (XsltException) {
                if (!compiler.ForwardCompatibility) {
                    // Rethrow the exception if we're not in forwards-compatible mode
                    throw; 
                }
                // Ignore the whole list in forwards-compatible mode 
                this.useAttributeSets = new XmlQualifiedName[0]; 
            }
        } 

        internal override void Execute(Processor processor, ActionFrame frame) {
            switch(frame.State) {
            case Initialized: 
                frame.Counter = 0;
                frame.State = ProcessingSets; 
                goto case ProcessingSets; 

            case ProcessingSets: 
                if (frame.Counter < this.useAttributeSets.Length) {
                    AttributeSetAction action = processor.RootAction.GetAttributeSet(this.useAttributeSets[frame.Counter]);
                    frame.IncrementCounter();
                    processor.PushActionFrame(action, frame.NodeSet); 
                }
                else { 
                    frame.Finished(); 
                }
                break; 

            default:
                Debug.Fail("Invalid Container action execution state");
 		        break; 
            }
        } 
    } 
}

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

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