XsltArgumentList.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 / Xml / System / Xml / Xslt / XsltArgumentList.cs / 1305376 / XsltArgumentList.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
//-----------------------------------------------------------------------------
 
using System.Collections; 
using System.Security.Permissions;
 
namespace System.Xml.Xsl {

    public abstract class XsltMessageEncounteredEventArgs : EventArgs {
        public abstract string Message { get; } 
    }
 
    public delegate void XsltMessageEncounteredEventHandler(object sender, XsltMessageEncounteredEventArgs e); 

    public class XsltArgumentList { 
        private Hashtable parameters = new Hashtable();
        private Hashtable extensions = new Hashtable();

        // Used for reporting xsl:message's during execution 
        internal XsltMessageEncounteredEventHandler xsltMessageEncountered = null;
 
        public XsltArgumentList() {} 

        public object GetParam(string name, string namespaceUri) { 
            return this.parameters[new XmlQualifiedName(name, namespaceUri)];
        }

        public object GetExtensionObject(string namespaceUri) { 
            return this.extensions[namespaceUri];
        } 
 
        public void AddParam(string name, string namespaceUri, object parameter) {
            CheckArgumentNull(name        , "name"        ); 
            CheckArgumentNull(namespaceUri, "namespaceUri");
            CheckArgumentNull(parameter   , "parameter"   );

            XmlQualifiedName qname = new XmlQualifiedName(name, namespaceUri); 
            qname.Verify();
            this.parameters.Add(qname, parameter); 
        } 

        public void AddExtensionObject(string namespaceUri, object extension) { 
            CheckArgumentNull(namespaceUri, "namespaceUri");
            CheckArgumentNull(extension   , "extension"   );
            this.extensions.Add(namespaceUri, extension);
        } 

        public object RemoveParam(string name, string namespaceUri) { 
            XmlQualifiedName qname = new XmlQualifiedName(name, namespaceUri); 
            object parameter = this.parameters[qname];
            this.parameters.Remove(qname); 
            return parameter;
        }

        public object RemoveExtensionObject(string namespaceUri) { 
            object extension = this.extensions[namespaceUri];
            this.extensions.Remove(namespaceUri); 
            return extension; 
        }
 
        public event XsltMessageEncounteredEventHandler XsltMessageEncountered {
            add {
                xsltMessageEncountered += value;
            } 
            remove {
                xsltMessageEncountered -= value; 
            } 
        }
 
        public void Clear() {
            this.parameters.Clear();
            this.extensions.Clear();
            xsltMessageEncountered = null; 
        }
 
        private static void CheckArgumentNull(object param, string paramName) { 
            if (param == null) {
                throw new ArgumentNullException(paramName); 
            }
        }
    }
} 

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

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