internal static Node Get(ANode aNode)
{
if (aNode == null)
{
throw new ArgumentNullException("aNode");
}
// Is this a database node?
DBNode dbNode = aNode as DBNode;
if (dbNode != null)
{
Database database = Database.Get(dbNode.data());
return(Get(dbNode, database));
}
// If not, create the appropriate non-database node class
NodeType nodeType = aNode.nodeType();
if (nodeType == org.basex.query.item.NodeType.ELM)
{
return(new Element(aNode, null));
}
if (nodeType == org.basex.query.item.NodeType.TXT)
{
return(new Text(aNode, null));
}
if (nodeType == org.basex.query.item.NodeType.ATT)
{
return(new Attribute(aNode, null));
}
if (nodeType == org.basex.query.item.NodeType.DOC)
{
return(new Document(aNode, null));
}
if (nodeType == org.basex.query.item.NodeType.COM)
{
return(new Comment(aNode, null));
}
if (nodeType == org.basex.query.item.NodeType.PI)
{
return(new ProcessingInstruction(aNode, null));
}
throw new ArgumentException("Invalid node type");
}
private readonly Database _database = null; // Cache the database that this node belongs to
#region Construction
protected Node(ANode aNode, int kind, Database database)
{
_dbNode = aNode as DBNode;
if (aNode == null)
{
throw new ArgumentNullException("aNode");
}
if (aNode.kind() != kind)
{
throw new ArgumentException("Incorrect node type");
}
_aNode = aNode;
_fNode = aNode as FNode;
_kind = kind;
_database = database;
if (_dbNode != null)
{
_id = _dbNode.data().id(_dbNode.pre);
}
}
