//
// Mono.Xml.XPath.DTMXPathDocument
//
// Author:
//	Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
//
// (C) 2003 Atsushi Enomoto
//

//
// 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 System.Xml;
using System.Xml.XPath;

namespace Mono.Xml.XPath
{
#if OUTSIDE_SYSTEM_XML
	public
#else
	internal
#endif
		class DTMXPathDocument : IXPathNavigable
	{

#region ctor.

		public DTMXPathDocument (XmlNameTable nameTable,
			DTMXPathLinkedNode [] nodes,
			DTMXPathAttributeNode [] attributes,
			DTMXPathNamespaceNode [] namespaces,
			Hashtable idTable)
		{
			this.nameTable = nameTable;
			this.nodes = nodes;
			this.attributes = attributes;
			this.namespaces = namespaces;
			this.idTable = idTable;
		}

#endregion


#region Methods
		public XPathNavigator CreateNavigator ()
		{
			if (root == null) {
				root = new DTMXPathNavigator (this,
					nameTable,
					nodes,
					attributes,
					namespaces,
					idTable);
			}
			return root.Clone ();
		}

#endregion

		XmlNameTable nameTable;

		// Root XPathNavigator.
		DTMXPathNavigator root;

#region Immutable tree fields

		DTMXPathLinkedNode [] nodes = new DTMXPathLinkedNode [0];
		DTMXPathAttributeNode [] attributes = new DTMXPathAttributeNode [0];
		DTMXPathNamespaceNode [] namespaces = new DTMXPathNamespaceNode [0];

		// idTable [string value] -> int nodeId
		readonly Hashtable idTable;

#endregion

	}
}