File indexing completed on 2024-04-21 05:52:55

 /*
     This file is part of the Okteta Core library, made within the KDE community.
 
     SPDX-FileCopyrightText: 2008-2009 Friedrich W. H. Kossebau <kossebau@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #ifndef KPIECETABLE_ABSTRACTPIECETABLECHANGE_HPP
 #define KPIECETABLE_ABSTRACTPIECETABLECHANGE_HPP
 
 // lib
 #include "piece.hpp"
 //
 #include <arraychangemetrics.hpp>
 
 class QString;
 
 namespace KPieceTable {
 
 class PieceTable;
 
 using ArrayChangeMetrics = Okteta::ArrayChangeMetrics;
 
 /** class
  * @author Friedrich W. H. Kossebau
  */
 
 class AbstractPieceTableChange
 {
 public:
     enum TypeId
     {
         InsertId,
         RemoveId,
         ReplaceId,
         SwapRangesId,
         FillId,
         ReplaceOneId,
         GroupId
     };
 
 public:
     virtual ~AbstractPieceTableChange();
 
 public: // API to be implemented
     virtual int type() const = 0;
 
     virtual QString description() const = 0;
 
     /// returns the storageOffset. Default returns -1.
     virtual Address storageOffset() const;
 
     /// returns true if successful, false otherwise. Default returns false.
     virtual bool merge(const AbstractPieceTableChange* other);
 
     virtual AddressRange apply(PieceTable* pieceTable) const = 0;
     virtual AddressRange revert(PieceTable* pieceTable) const = 0;
 
     virtual ArrayChangeMetrics metrics() const = 0;
     /// returns the size of the added data. Default returns 0.
     virtual Size dataSize() const;
 };
 
 inline AbstractPieceTableChange::~AbstractPieceTableChange() = default;
 
 }
 
 #endif