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//------------------------------------------------------------------------------
// <copyright file="XsltArgumentList.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
//------------------------------------------------------------------------------
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);
}
}
}
}
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