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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef XPATH_NODELIST_HXX
#define XPATH_NODELIST_HXX

#include <sal/types.h>
#include <rtl/ref.hxx>

#include <cppuhelper/implbase1.hxx>

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XNodeList.hpp>
#include <com/sun/star/xml/xpath/XXPathObject.hpp>

#include "libxml/tree.h"
#include "libxml/xpath.h"

#include <boost/shared_ptr.hpp>


using ::rtl::OUString;
using namespace com::sun::star::uno;
using namespace com::sun::star::xml::dom;
using namespace com::sun::star::xml::xpath;

namespace DOM {
    class CDocument;
}

namespace XPath
{

    class CNodeList : public cppu::WeakImplHelper1< XNodeList >
    {
    private:
        /// #i115995# keep document alive
        ::rtl::Reference< DOM::CDocument > const m_pDocument;
        ::osl::Mutex & m_rMutex;
        /// retain the result set in case the CXPathObject is released
        boost::shared_ptr<xmlXPathObject> m_pXPathObj;
        xmlNodeSetPtr m_pNodeSet;

    public:
        CNodeList(
                ::rtl::Reference<DOM::CDocument> const& pDocument,
                ::osl::Mutex & rMutex,
                boost::shared_ptr<xmlXPathObject> const& rxpathObj);
        /**
        The number of nodes in the list.
        */
        virtual sal_Int32 SAL_CALL getLength() throw (RuntimeException);
        /**
        Returns the indexth item in the collection.
        */
        virtual Reference< XNode > SAL_CALL item(sal_Int32 index)
            throw (RuntimeException);
    };
}

#endif