/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice 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 .

 */

#pragma once

#include "address.hxx"

#include "document.hxx"

// This is used by change tracking. References there may be located also outside of the document

// (see ScRefUpdate::Update()), and so it needs bigger range than ScAddress/ScRange.

class ScBigAddress

{

    sal_Int64   nRow;

    sal_Int64   nCol;

    sal_Int64   nTab;

public:

            ScBigAddress() : nRow(0), nCol(0), nTab(0) {}

            ScBigAddress( sal_Int64 nColP, sal_Int64 nRowP, sal_Int64 nTabP )

                : nRow( nRowP ), nCol( nColP ), nTab( nTabP ) {}

            ScBigAddress( const ScBigAddress& r )

                : nRow( r.nRow ), nCol( r.nCol ), nTab( r.nTab ) {}

            ScBigAddress( ScBigAddress&& ) = default;

            ScBigAddress( const ScAddress& r )

                : nRow( r.Row() ), nCol( r.Col() ), nTab( r.Tab() ) {}

    sal_Int64   Col() const { return nCol; }

    sal_Int64   Row() const { return nRow; }

    sal_Int64   Tab() const { return nTab; }

    void    Set( sal_Int64 nColP, sal_Int64 nRowP, sal_Int64 nTabP )

                { nCol = nColP; nRow = nRowP; nTab = nTabP; }

    void    SetCol( sal_Int64 nColP ) { nCol = nColP; }

    void    SetRow( sal_Int64 nRowP ) { nRow = nRowP; }

    void    SetTab( sal_Int64 nTabP ) { nTab = nTabP; }

    void    IncCol( sal_Int64 n = 1 ) { nCol += n; }

    void    IncRow( sal_Int64 n = 1 ) { nRow += n; }

    void    IncTab( sal_Int64 n = 1 ) { nTab += n; }

    void    GetVars( sal_Int64& nColP, sal_Int64& nRowP, sal_Int64& nTabP ) const

                { nColP = nCol; nRowP = nRow; nTabP = nTab; }

    bool IsValid( const ScDocument& rDoc ) const;

    inline ScAddress    MakeAddress( const ScDocument& rDoc ) const;

    ScBigAddress&   operator=( const ScBigAddress& r )

                    { nCol = r.nCol; nRow = r.nRow; nTab = r.nTab; return *this; }

    ScBigAddress&   operator=( ScBigAddress&& ) = default;

    ScBigAddress&   operator=( const ScAddress& r )

                    { nCol = r.Col(); nRow = r.Row(); nTab = r.Tab(); return *this; }

    bool            operator==( const ScBigAddress& r ) const

                    { return nCol == r.nCol && nRow == r.nRow && nTab == r.nTab; }

    bool            operator!=( const ScBigAddress& r ) const

                    { return !operator==( r ); }

};

inline ScAddress ScBigAddress::MakeAddress( const ScDocument& rDoc ) const

{

    SCCOL nColA;

    SCROW nRowA;

    SCTAB nTabA;

    if ( nCol < 0 )

        nColA = 0;

    else if ( nCol > rDoc.MaxCol() )

        nColA = rDoc.MaxCol();

    else

        nColA = static_cast<SCCOL>(nCol);

    if ( nRow < 0 )

        nRowA = 0;

    else if ( nRow > rDoc.MaxRow() )

        nRowA = rDoc.MaxRow();

    else

        nRowA = static_cast<SCROW>(nRow);

    if ( nTab < 0 )

        nTabA = 0;

    else if ( nTab > MAXTAB )

        nTabA = MAXTAB;

    else

        nTabA = static_cast<SCTAB>(nTab);

    return ScAddress( nColA, nRowA, nTabA );

}

class ScBigRange

{

public:

    ScBigAddress    aStart;

    ScBigAddress    aEnd;

                    ScBigRange() : aStart(), aEnd() {}

                    ScBigRange( const ScBigRange& r )

                        : aStart( r.aStart ), aEnd( r.aEnd ) {}

                    ScBigRange( ScBigRange&& ) = default;

                    ScBigRange( const ScRange& r )

                        : aStart( r.aStart ), aEnd( r.aEnd ) {}

                    ScBigRange( sal_Int64 nCol1, sal_Int64 nRow1, sal_Int64 nTab1,

                            sal_Int64 nCol2, sal_Int64 nRow2, sal_Int64 nTab2 )

                        : aStart( nCol1, nRow1, nTab1 ),

                        aEnd( nCol2, nRow2, nTab2 ) {}

    void    Set( sal_Int64 nCol1, sal_Int64 nRow1, sal_Int64 nTab1,

                     sal_Int64 nCol2, sal_Int64 nRow2, sal_Int64 nTab2 )

                { aStart.Set( nCol1, nRow1, nTab1 );

                  aEnd.Set( nCol2, nRow2, nTab2 ); }

    void    GetVars( sal_Int64& nCol1, sal_Int64& nRow1, sal_Int64& nTab1,

                     sal_Int64& nCol2, sal_Int64& nRow2, sal_Int64& nTab2 ) const

                { aStart.GetVars( nCol1, nRow1, nTab1 );

                  aEnd.GetVars( nCol2, nRow2, nTab2 ); }

    bool    IsValid( const ScDocument& rDoc ) const

                { return aStart.IsValid( rDoc ) && aEnd.IsValid( rDoc ); }

    ScRange  MakeRange( const ScDocument& rDoc ) const

                { return ScRange( aStart.MakeAddress( rDoc ), aEnd.MakeAddress( rDoc ) ); }

    inline bool Contains( const ScBigAddress& ) const;    ///< is Address& in range?

    inline bool Contains( const ScBigRange& ) const;      ///< is Range& in range?

    inline bool Intersects( const ScBigRange& ) const;  ///< do two ranges overlap?

    ScBigRange&     operator=( const ScBigRange& r )

                        { aStart = r.aStart; aEnd = r.aEnd; return *this; }

    ScBigRange&     operator=( ScBigRange&& ) = default;

    bool            operator==( const ScBigRange& r ) const

                        { return (aStart == r.aStart) && (aEnd == r.aEnd); }

    bool            operator!=( const ScBigRange& r ) const

                        { return !operator==( r ); }

    // These are used to define whole rows/cols/tabs.

    constexpr static sal_Int64 nRangeMin = ::std::numeric_limits<sal_Int64>::min();;

    constexpr static sal_Int64 nRangeMax = ::std::numeric_limits<sal_Int64>::max();;

};

inline bool ScBigRange::Contains( const ScBigAddress& rAddr ) const

{

    return

        aStart.Col() <= rAddr.Col() && rAddr.Col() <= aEnd.Col() &&

        aStart.Row() <= rAddr.Row() && rAddr.Row() <= aEnd.Row() &&

        aStart.Tab() <= rAddr.Tab() && rAddr.Tab() <= aEnd.Tab();

}

inline bool ScBigRange::Contains( const ScBigRange& r ) const

{

    return

        aStart.Col() <= r.aStart.Col() && r.aEnd.Col() <= aEnd.Col() &&

        aStart.Row() <= r.aStart.Row() && r.aEnd.Row() <= aEnd.Row() &&

        aStart.Tab() <= r.aStart.Tab() && r.aEnd.Tab() <= aEnd.Tab();

}

inline bool ScBigRange::Intersects( const ScBigRange& r ) const

{

    return

        aStart.Col() <= r.aEnd.Col() && r.aStart.Col() <= aEnd.Col() &&

        aStart.Row() <= r.aEnd.Row() && r.aStart.Row() <= aEnd.Row() &&

        aStart.Tab() <= r.aEnd.Tab() && r.aStart.Tab() <= aEnd.Tab();

}

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