/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef SC_SEGMENTTREE_HXX
#define SC_SEGMENTTREE_HXX

#include "address.hxx"

#include <memory>

class ScFlatBoolSegmentsImpl;

class ScFlatBoolRowSegments
{
public:
    struct RangeData
    {
        SCROW   mnRow1;
        SCROW   mnRow2;
        bool    mbValue;
    };

    class ForwardIterator
    {
    public:
        explicit ForwardIterator(ScFlatBoolRowSegments& rSegs);

        bool getValue(SCROW nPos, bool& rVal);
        SCROW getLastPos() const;

    private:
        ScFlatBoolRowSegments&  mrSegs;

        SCROW   mnCurPos;
        SCROW   mnLastPos;
        bool    mbCurValue;
    };

    class RangeIterator
    {
    public:
        explicit RangeIterator(ScFlatBoolRowSegments& rSegs);
        bool getFirst(RangeData& rRange);
        bool getNext(RangeData& rRange);
    private:
        ScFlatBoolRowSegments& mrSegs;
    };

    ScFlatBoolRowSegments();
    ScFlatBoolRowSegments(const ScFlatBoolRowSegments& r);
    ~ScFlatBoolRowSegments();

    void setTrue(SCROW nRow1, SCROW nRow2);
    void setFalse(SCROW nRow1, SCROW nRow2);
    bool getValue(SCROW nRow);
    bool getRangeData(SCROW nRow, RangeData& rData);
    void removeSegment(SCROW nRow1, SCROW nRow2);
    void insertSegment(SCROW nRow, SCROW nSize, bool bSkipStartBoundary);

    SCROW findLastNotOf(bool bValue) const;

    void enableTreeSearch(bool bEnable);
    void setInsertFromBack(bool bInsertFromBack);

private:
    ::std::auto_ptr<ScFlatBoolSegmentsImpl> mpImpl;
};

// ============================================================================

class ScFlatBoolColSegments
{
public:
    struct RangeData
    {
        SCCOL   mnCol1;
        SCCOL   mnCol2;
        bool    mbValue;
    };
    ScFlatBoolColSegments();
    ScFlatBoolColSegments(const ScFlatBoolColSegments& r);
    ~ScFlatBoolColSegments();

    void setTrue(SCCOL nCol1, SCCOL nCol2);
    void setFalse(SCCOL nCol1, SCCOL nCol2);
    bool getValue(SCCOL nCol);
    bool getRangeData(SCCOL nCol, RangeData& rData);
    void removeSegment(SCCOL nCol1, SCCOL nCol2);
    void insertSegment(SCCOL nCol, SCCOL nSize, bool bSkipStartBoundary);

    void enableTreeSearch(bool bEnable);
    void setInsertFromBack(bool bInsertFromBack);

private:
    ::std::auto_ptr<ScFlatBoolSegmentsImpl> mpImpl;
};

// ============================================================================

class ScFlatUInt16SegmentsImpl;

class ScFlatUInt16RowSegments
{
public:
    struct RangeData
    {
        SCROW       mnRow1;
        SCROW       mnRow2;
        sal_uInt16  mnValue;
    };

    class ForwardIterator
    {
    public:
        explicit ForwardIterator(ScFlatUInt16RowSegments& rSegs);

        bool getValue(SCROW nPos, sal_uInt16& rVal);
        SCROW getLastPos() const;

    private:
        ScFlatUInt16RowSegments&  mrSegs;

        SCROW       mnCurPos;
        SCROW       mnLastPos;
        sal_uInt16  mnCurValue;
    };

    ScFlatUInt16RowSegments(sal_uInt16 nDefault);
    ScFlatUInt16RowSegments(const ScFlatUInt16RowSegments& r);
    ~ScFlatUInt16RowSegments();

    void setValue(SCROW nRow1, SCROW nRow2, sal_uInt16 nValue);
    sal_uInt16 getValue(SCROW nRow);
    sal_uInt32 getSumValue(SCROW nRow1, SCROW nRow2);
    bool getRangeData(SCROW nRow, RangeData& rData);
    void removeSegment(SCROW nRow1, SCROW nRow2);
    void insertSegment(SCROW nRow, SCROW nSize, bool bSkipStartBoundary);

    SCROW findLastNotOf(sal_uInt16 nValue) const;

    void enableTreeSearch(bool bEnable);
    void setInsertFromBack(bool bInsertFromBack);

private:
    ::std::auto_ptr<ScFlatUInt16SegmentsImpl> mpImpl;
};

#endif