/* This file is part of the wvWare 2 project
   SPDX-FileCopyrightText: 2003 Werner Trobin <trobin@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02111-1307, USA.
*/

#ifndef HEADERS95_H
#define HEADERS95_H

#include "headers.h"
#include "wv2_export.h"

namespace wvWare
{
/**
 * @internal
 * A tiny helper class to move some header/footer code out of the parser.
 * Might not be ultra-elegant, but I don't like it if the parser code
 * grows too much.
 */
class Headers95 : public Headers
{
public:
    Headers95(U32 ccpHdd, U32 fcPlcfhdd, U32 lcbPlcfhdd, U32 fcPlcfsed, U32 lcbPlcfsed, OLEStreamReader *tableStream, U8 dop_grpfIhdt);

    /**
     * Returns the header if there is any for the given mask. If we didn't find
     * any header the pair's values are 0, 0.
     */
    std::pair<U32, U32> findHeader(int sectionNumber, unsigned char mask) const override;

    void set_headerMask(U8 sep_grpfIhdt) override;

private:
    // Counts the '1' bits in <mask> from the lsb up to <limit> (exclusively)
    int countOnes(U8 mask, U8 limit) const;

    const int ihddOffset;
    QList<U32> m_headerCount;
    QList<U8> m_grpfIhdt;
};

} // namespace wvWare

#endif // HEADERS95_H
