/* -*- tab-width:4; c-basic-offset:4 -*- */

/*

 * libopenraw - bititerator.cpp

 *

 * Copyright (C) 2008 Rafael Avila de Espindola.

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * 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, see

 * <http://www.gnu.org/licenses/>.

 */

#ifndef OR_INTERNAL_BITITERATOR_H_

#define OR_INTERNAL_BITITERATOR_H_

#include <stdint.h>

#include <stddef.h>

namespace OpenRaw {

namespace Internals {

class BitIterator {

    const uint8_t* m_p;

    size_t m_size;

    uint32_t m_bitBuffer;

    size_t m_bitsOnBuffer;

    void load(size_t numBits);

public:

    BitIterator(const uint8_t *p, size_t s);

    uint32_t get(size_t);

    uint32_t peek(size_t);

    void skip(size_t);

};

}

}

#endif