/// <summary>
/// Finds all ExtensionElement based on it's local name
/// and it's namespace. If namespace is NULL, allwhere
/// the localname matches is found. If there are extensionelements that do
/// not implment ExtensionElementFactory, they will not be taken into account
/// Primary use of this is to find XML nodes
/// </summary>
/// <param name="arrList">the array to search through</param>
/// <param name="localName">the xml local name of the element to find</param>
/// <param name="ns">the namespace of the elementToPersist</param>
/// <param name="arr">the array to fill</param>
/// <returns>none</returns>
public static ExtensionList FindExtensions(ExtensionList arrList, string localName, string ns, ExtensionList arr)
{
if (arrList == null)
{
throw new ArgumentNullException("arrList");
}
if (arr == null)
{
throw new ArgumentNullException("arr");
}
foreach (IExtensionElementFactory ob in arrList)
{
XmlNode node = ob as XmlNode;
if (node != null)
{
if (compareXmlNess(node.LocalName, localName, node.NamespaceURI, ns))
{
arr.Add(ob);
}
}
else
{
// only if the elements do implement the ExtensionElementFactory
// do we know if it's xml name/namespace
IExtensionElementFactory ele = ob as IExtensionElementFactory;
if (ele != null)
{
if (compareXmlNess(ele.XmlName, localName, ele.XmlNameSpace, ns))
{
arr.Add(ob);
}
}
}
}
return(arr);
}
