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//
// System.Xml.XmlNamedNodeMap
//
// Author:
// Jason Diamond (jason@injektilo.org)
// Duncan Mak (duncan@ximian.com)
//
// (C) 2002 Jason Diamond http://injektilo.org/
//
//
// 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;
using System.Collections;
using Mono.Xml;
namespace System.Xml
{
public class XmlNamedNodeMap : IEnumerable
{
static readonly IEnumerator emptyEnumerator = new XmlNode [0].GetEnumerator ();
XmlNode parent;
ArrayList nodeList;
bool readOnly = false;
internal XmlNamedNodeMap (XmlNode parent)
{
this.parent = parent;
}
private ArrayList NodeList {
get {
if (nodeList == null)
nodeList = new ArrayList ();
return nodeList;
}
}
public virtual int Count {
get { return nodeList == null ? 0 : nodeList.Count; }
}
public virtual IEnumerator GetEnumerator ()
{
if (nodeList == null)
return emptyEnumerator;
return nodeList.GetEnumerator ();
}
public virtual XmlNode GetNamedItem (string name)
{
if (nodeList == null)
return null;
for (int i = 0; i < nodeList.Count; i++) {
XmlNode node = (XmlNode) nodeList [i];
if (node.Name == name)
return node;
}
return null;
}
public virtual XmlNode GetNamedItem (string localName, string namespaceURI)
{
if (nodeList == null)
return null;
for (int i = 0; i < nodeList.Count; i++) {
XmlNode node = (XmlNode) nodeList [i];
if ((node.LocalName == localName)
&& (node.NamespaceURI == namespaceURI))
return node;
}
return null;
}
public virtual XmlNode Item (int index)
{
if (nodeList == null || index < 0 || index >= nodeList.Count)
return null;
else
return (XmlNode) nodeList [index];
}
public virtual XmlNode RemoveNamedItem (string name)
{
if (nodeList == null)
return null;
for (int i = 0; i < nodeList.Count; i++) {
XmlNode node = (XmlNode) nodeList [i];
if (node.Name == name) {
if (node.IsReadOnly)
throw new InvalidOperationException ("Cannot remove. This node is read only: " + name);
nodeList.Remove (node);
// Since XmlAttributeCollection does not override
// it while attribute have to keep it in the
// collection, it adds to the collection immediately.
XmlAttribute attr = node as XmlAttribute;
if (attr != null) {
DTDAttributeDefinition def = attr.GetAttributeDefinition ();
if (def != null && def.DefaultValue != null) {
XmlAttribute newAttr = attr.OwnerDocument.CreateAttribute (attr.Prefix, attr.LocalName, attr.NamespaceURI, true, false);
newAttr.Value = def.DefaultValue;
newAttr.SetDefault ();
attr.OwnerElement.SetAttributeNode (newAttr);
}
}
return node;
}
}
return null;
}
public virtual XmlNode RemoveNamedItem (string localName, string namespaceURI)
{
if (nodeList == null)
return null;
for (int i = 0; i < nodeList.Count; i++) {
XmlNode node = (XmlNode) nodeList [i];
if ((node.LocalName == localName)
&& (node.NamespaceURI == namespaceURI)) {
nodeList.Remove (node);
return node;
}
}
return null;
}
public virtual XmlNode SetNamedItem (XmlNode node)
{
return SetNamedItem (node, -1, true);
}
internal XmlNode SetNamedItem (XmlNode node, bool raiseEvent)
{
return SetNamedItem (node, -1, raiseEvent);
}
internal XmlNode SetNamedItem (XmlNode node, int pos, bool raiseEvent)
{
if (readOnly || (node.OwnerDocument != parent.OwnerDocument))
throw new ArgumentException ("Cannot add to NodeMap.");
if (raiseEvent)
parent.OwnerDocument.onNodeInserting (node, parent);
try {
for (int i = 0; i < NodeList.Count; i++) {
XmlNode x = (XmlNode) nodeList [i];
if(x.LocalName == node.LocalName && x.NamespaceURI == node.NamespaceURI) {
nodeList.Remove (x);
if (pos < 0)
nodeList.Add (node);
else
nodeList.Insert (pos, node);
return x;
}
}
if(pos < 0)
nodeList.Add (node);
else
nodeList.Insert (pos, node);
// LAMESPEC: It should return null here, but
// it just returns the input node.
return node;
} finally {
if (raiseEvent)
parent.OwnerDocument.onNodeInserted (node, parent);
}
}
internal ArrayList Nodes { get { return NodeList; } }
}
}
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