/*  $Id: mask_bdb_reader.cpp 500404 2016-05-04 14:59:01Z camacho $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Author:  Aleksandr Morgulis
 *
 * File Description:
 *   CMaskBDBReader class member and method definitions.
 *
 */

#include <ncbi_pch.hpp>
#include <corelib/ncbidbg.hpp>
#include <objtools/readers/fasta.hpp>
#include <objects/seq/Bioseq.hpp>

#include <objtools/seqmasks_io/mask_bdb_reader.hpp>

BEGIN_NCBI_SCOPE
USING_SCOPE(objects);

//-------------------------------------------------------------------------
CRef< CSeq_entry > CMaskBDBReader::GetNextSequence()
{    
    CRef< CSeq_entry > entry( null );

    if( oid_ < seqdb_->GetNumOIDs() ) {
        CRef< CBioseq > seq = seqdb_->GetBioseq( oid_++ );
        entry.Reset( new CSeq_entry );
        if( seq.NotEmpty() ) entry->SetSeq( *seq );
    }

    return entry;
}

END_NCBI_SCOPE

