// 
// System.Data/XmlHelper.cs
//
// Author:
//   Senganal T <tsenganal@novell.com>
//
//
// Copyright (C) 2004 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;
using System.Xml;
using System.Collections;

internal class XmlHelper {

	static Hashtable localSchemaNameCache = new Hashtable ();
	static Hashtable localXmlNameCache = new Hashtable ();

	internal static string Decode (string xmlName)
	{
		string s = (string) localSchemaNameCache [xmlName];
		if (s == null) {
			s = XmlConvert.DecodeName (xmlName);
			localSchemaNameCache [xmlName] = s;
		}
		return s;
	}

	internal static string Encode (string schemaName)
	{
		string s = (string) localXmlNameCache [schemaName];
		if (s == null) {
			s = XmlConvert.EncodeLocalName (schemaName);
			localXmlNameCache [schemaName] = s;
		}
		return s;
	}

	internal static void ClearCache ()
	{
		localSchemaNameCache.Clear ();
		localXmlNameCache.Clear ();
	}
}