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// System.Xml.Xsl.XsltArgumentList
//
// Author: Tim Coleman <tim@timcoleman.com>
// (C) Copyright 2002 Tim Coleman
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Security.Permissions;
using System.Xml.XPath;
namespace System.Xml.Xsl
{
public class XsltArgumentList
{
#region Fields
internal Hashtable extensionObjects;
internal Hashtable parameters;
#endregion
#region Constructors
public XsltArgumentList ()
{
extensionObjects = new Hashtable ();
parameters = new Hashtable ();
}
#endregion
#region Event
#pragma warning disable 67
[MonoTODO]
public event XsltMessageEncounteredEventHandler XsltMessageEncountered;
#pragma warning restore 67
#endregion
#region Methods
[PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
public void AddExtensionObject (string namespaceUri, object extension)
{
if (namespaceUri == null)
throw new ArgumentException ("The namespaceUri is a null reference.");
if (namespaceUri == "http://www.w3.org/1999/XSL/Transform")
throw new ArgumentException ("The namespaceUri is http://www.w3.org/1999/XSL/Transform.");
if (extensionObjects.Contains (namespaceUri))
throw new ArgumentException ("The namespaceUri already has an extension object associated with it.");
extensionObjects [namespaceUri] = extension;
}
public void AddParam (string name, string namespaceUri, object parameter)
{
if (namespaceUri == null)
throw new ArgumentException ("The namespaceUri is a null reference.");
if (namespaceUri == "http://www.w3.org/1999/XSL/Transform")
throw new ArgumentException ("The namespaceUri is http://www.w3.org/1999/XSL/Transform.");
if (name == null)
throw new ArgumentException ("The parameter name is a null reference.");
// TODO:
// verify that the name is a valid name according to
// the W3C XML specification
XmlQualifiedName qName = new XmlQualifiedName (name, namespaceUri);
if (parameters.Contains (qName))
throw new ArgumentException ("The namespaceUri already has a parameter associated with it.");
parameter = ValidateParam (parameter);
parameters [qName] = parameter;
}
public void Clear ()
{
extensionObjects.Clear ();
parameters.Clear ();
}
public object GetExtensionObject (string namespaceUri)
{
return extensionObjects [namespaceUri];
}
public object GetParam (string name, string namespaceUri)
{
if (name == null)
throw (new ArgumentException ("The parameter name is a null reference."));
XmlQualifiedName qName = new XmlQualifiedName (name, namespaceUri);
return parameters [qName];
}
public object RemoveExtensionObject (string namespaceUri)
{
object extensionObject = this.GetExtensionObject (namespaceUri);
extensionObjects.Remove (namespaceUri);
return extensionObject;
}
public object RemoveParam (string name, string namespaceUri)
{
XmlQualifiedName qName = new XmlQualifiedName (name, namespaceUri);
object parameter = this.GetParam (name, namespaceUri);
parameters.Remove (qName);
return parameter;
}
private object ValidateParam (object parameter)
{
if (parameter is string) return parameter;
if (parameter is bool) return parameter;
if (parameter is double) return parameter;
if (parameter is XPathNavigator) return parameter;
if (parameter is XPathNodeIterator) return parameter;
if (parameter is Int16) return (double) (Int16) parameter;
if (parameter is UInt16) return (double) (UInt16) parameter;
if (parameter is Int32) return (double) (Int32) parameter;
if (parameter is Int64) return (double) (Int64) parameter;
if (parameter is UInt64) return (double) (UInt64) parameter;
if (parameter is Single) return (double) (Single) parameter;
if (parameter is decimal) return (double) (decimal) parameter;
return parameter.ToString ();
}
#endregion
}
}
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