sfx2/inc/bitset.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the Collabora Office project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef INCLUDED_SFX2_INC_BITSET_HXX
#define INCLUDED_SFX2_INC_BITSET_HXX

#include <sal/types.h>

#include <memory>

class IndexBitSet
{
private:
    sal_uInt16                    nBlocks;
    std::unique_ptr<sal_uInt32[]> pBitmap;

    IndexBitSet& operator|=( sal_uInt16 nBit );
    IndexBitSet& operator-=( sal_uInt16 nBit );
    bool Contains( sal_uInt16 nBit ) const;

    IndexBitSet(IndexBitSet const &) = delete;
    void operator =(IndexBitSet const &) = delete;

public:
    IndexBitSet();
    ~IndexBitSet();

    sal_uInt16 GetFreeIndex();
    void ReleaseIndex(sal_uInt16 i){*this-=i;}
};

#endif

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