File indexing completed on 2024-04-28 05:42:30

 /**
  * KDiff3 - Text Diff And Merge Tool
  *
  * SPDX-FileCopyrightText: 2023 Michael Reeves <reeves.87@gmail.com>
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  */
 
 #ifndef UNDORECORD_H
 #define UNDORECORD_H
 
 #include "MergeEditLine.h"
 #include "selection.h"
 
 #include <deque>
 
 class UndoRecord
 {
   public:
     UndoRecord(Selection sel, MergeBlockList::iterator start)
     {
         mSel = sel;
         mEnd = mStart = start;
     };
 
     void push(const MergeBlock& mb) { savedLines.push_back(mb); }
     void push(const MergeBlock&& mb)
     {
         savedLines.push_back(mb);
         ++mEnd;
     }
 
     const MergeBlock& pop()
     {
         const MergeBlock& mb = savedLines.front();
         savedLines.pop_front();
         return mb;
     }
 
     void undo()
     {
         std::deque<MergeBlock>::iterator savedRec = savedLines.begin();
         for(MergeBlockList::iterator it = mStart; it == mEnd; it++)
         {
             std::swap(*it, *savedRec);
             savedRec++;
         }
     }
 
   private:
     MergeBlockList::iterator mStart, mEnd;
     Selection mSel;
     std::deque<MergeBlock> savedLines;
 };
 
 #endif /* UNDORECORD_H */