/*
 * Copyright (c) 2001-2008
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004-2008
 *     Oracle. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * $Id: XQillaNSResolverImpl.hpp 475 2008-01-08 18:47:44Z jpcs $
 */

#ifndef __XQILLANSRESOLVERIMPL_HPP
#define __XQILLANSRESOLVERIMPL_HPP

#include <xqilla/framework/XQillaExport.hpp>

#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <xqilla/dom-api/XQillaNSResolver.hpp>
#include <xercesc/util/RefHashTableOf.hpp>

class XPath2MemoryManager;

class XQILLA_API XQillaNSResolverImpl : public XQillaNSResolver
{
public:
  XQillaNSResolverImpl(XPath2MemoryManager* memMgr);
  XQillaNSResolverImpl(XPath2MemoryManager* memMgr, const XERCES_CPP_NAMESPACE_QUALIFIER DOMXPathNSResolver *prevScope);
  XQillaNSResolverImpl(XPath2MemoryManager* memMgr, const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *resolverNode,
                       const XERCES_CPP_NAMESPACE_QUALIFIER DOMXPathNSResolver *prevScope = 0);
  ~XQillaNSResolverImpl();

  virtual const XMLCh* lookupNamespaceURI(const XMLCh* prefix) const;
  virtual const XMLCh* lookupPrefix(const XMLCh* uri) const;
  
  virtual void addNamespaceBinding(const XMLCh* prefix, const XMLCh* uri);

  virtual void release();

protected:
  XERCES_CPP_NAMESPACE_QUALIFIER RefHashTableOf< XMLCh > _namespaceBindings;
  const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *_resolverNode;
  const XERCES_CPP_NAMESPACE_QUALIFIER DOMXPathNSResolver* _prevScope;
  XPath2MemoryManager* _memMgr;
};


#endif
