/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: attriblistmerge.hxx,v $
 *
 *  $Revision: 1.3 $
 *
 *  last change: $Author: rt $ $Date: 2006-07-25 09:21:29 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_
#define _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_

#ifndef _COMPHELPER_STLTYPES_HXX_
#include <comphelper/stl_types.hxx>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _COM_SUN_STAR_XML_SAX_XATTRIBUTELIST_HPP_
#include <com/sun/star/xml/sax/XAttributeList.hpp>
#endif

//.........................................................................
namespace xmloff
{
//.........................................................................

    //=====================================================================
    //= OAttribListMerger
    //=====================================================================
    typedef ::cppu::WeakImplHelper1 <   ::com::sun::star::xml::sax::XAttributeList
                                    >   OAttribListMerger_Base;
    /** implements the XAttributeList list by merging different source attribute lists

        <p>Currently, the time behavious is O(n), though it would be possible to change it to O(log n).</p>
    */
    class OAttribListMerger : public OAttribListMerger_Base
    {
    protected:
        ::osl::Mutex        m_aMutex;
        DECLARE_STL_VECTOR( ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >, AttributeListArray );
        AttributeListArray  m_aLists;

        ~OAttribListMerger() { }

    public:
        OAttribListMerger() { }

        // attribute list handling
        // (very thinn at the moment ... only adding lists is allowed ... add more if you need it :)
        void addList(const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rList);

        // XAttributeList
        virtual sal_Int16 SAL_CALL getLength(  ) throw(::com::sun::star::uno::RuntimeException);
        virtual ::rtl::OUString SAL_CALL getNameByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
        virtual ::rtl::OUString SAL_CALL getTypeByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
        virtual ::rtl::OUString SAL_CALL getTypeByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);
        virtual ::rtl::OUString SAL_CALL getValueByIndex( sal_Int16 i ) throw(::com::sun::star::uno::RuntimeException);
        virtual ::rtl::OUString SAL_CALL getValueByName( const ::rtl::OUString& aName ) throw(::com::sun::star::uno::RuntimeException);

    protected:
        sal_Bool seekToIndex(sal_Int16 _nGlobalIndex, ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex);
        sal_Bool seekToName(const ::rtl::OUString& _rName, ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex);
    };


//.........................................................................
}   // namespace xmloff
//.........................................................................

#endif // _XMLOFF_FORMS_ATTRIBLISTMERGE_HXX_