/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: enumeration.cxx,v $
 * $Revision: 1.6 $
 *
 * This file is part of OpenOffice.org.
 *
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 * only, as published by the Free Software Foundation.
 *
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 * 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>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_forms.hxx"

#include "enumeration.hxx"

#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/container/XIndexAccess.hpp>
#include <com/sun/star/lang/WrappedTargetException.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/RuntimeException.hpp>

using com::sun::star::container::NoSuchElementException;
using com::sun::star::container::XIndexAccess;
using com::sun::star::lang::WrappedTargetException;
using com::sun::star::uno::Any;
using com::sun::star::uno::Reference;
using com::sun::star::uno::RuntimeException;


Enumeration::Enumeration( XIndexAccess* pContainer )
    : mxContainer( pContainer ),
      mnIndex( 0 )
{
    OSL_ENSURE( mxContainer.is(), "no container?" );
}

sal_Bool Enumeration::hasMoreElements()
    throw( RuntimeException )
{
    if( ! mxContainer.is() )
        throw RuntimeException();

    return mnIndex < mxContainer->getCount();
}

Any Enumeration::nextElement()
    throw( NoSuchElementException,
           WrappedTargetException,
           RuntimeException )
{
    if( ! mxContainer.is() )
        throw RuntimeException();
    if( mnIndex >= mxContainer->getCount() )
        throw NoSuchElementException();

    return mxContainer->getByIndex( mnIndex++ );
}