    /* -*- 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 .
     */

    #include <memory>
    #include <hintids.hxx>
    #include <doc.hxx>
    #include <IDocumentUndoRedo.hxx>
    #include <IDocumentContentOperations.hxx>
    #include <editsh.hxx>
    #include <cntfrm.hxx>
    #include <pam.hxx>
    #include <swundo.hxx>
    #include <edimp.hxx>
    #include <IMark.hxx>
    #include <docary.hxx>
    #include <SwRewriter.hxx>
    #include <globals.hrc>

    #include <strings.hrc>
    #include <vector>

    void SwEditShell::DeleteSel( SwPaM& rPam, bool* pUndo )
    {
        bool bSelectAll = StartsWithTable() && ExtendedSelectedAll();
        // only for selections
        if( !rPam.HasMark() || *rPam.GetPoint() == *rPam.GetMark())
            return;

        // Is the selection in a table? Then delete only the content of the selected boxes.
        // Here, there are two cases:
        // 1. Point and Mark are in one box, delete selection as usual
        // 2. Point and Mark are in different boxes, search all selected boxes and delete content
        // 3. Point and Mark are at the document start and end, Point is in a table: delete selection as usual
        if( rPam.GetNode().FindTableNode() &&
            rPam.GetNode().StartOfSectionNode() !=
            rPam.GetNode(false).StartOfSectionNode() && !bSelectAll )
        {
            // group the Undo in the table
            if( pUndo && !*pUndo )
            {
                GetDoc()->GetIDocumentUndoRedo().StartUndo( SwUndoId::START, nullptr );
                *pUndo = true;
            }
            SwPaM aDelPam( *rPam.Start() );
            const SwPosition* pEndSelPos = rPam.End();
            do {
                aDelPam.SetMark();
                SwNode& rNd = aDelPam.GetNode();
                const SwNode& rEndNd = *rNd.EndOfSectionNode();
                if( pEndSelPos->nNode.GetIndex() <= rEndNd.GetIndex() )
                {
                    *aDelPam.GetPoint() = *pEndSelPos;
                    pEndSelPos = nullptr;     // misuse a pointer as a flag
                }
                else
                {
                    // then go to the end of the selection
                    aDelPam.GetPoint()->nNode = rEndNd;
                    aDelPam.Move( fnMoveBackward, GoInContent );
                }
                // skip protected boxes
                if( !rNd.IsContentNode() ||
                    !rNd.IsInProtectSect() )
                {
                    // delete everything
                    GetDoc()->getIDocumentContentOperations().DeleteAndJoin( aDelPam );
                    SaveTableBoxContent( aDelPam.GetPoint() );
                }

                if( !pEndSelPos ) // at the end of a selection
                    break;
                aDelPam.DeleteMark();
                aDelPam.Move( fnMoveForward, GoInContent ); // next box
            } while( pEndSelPos );
        }
        else
        {
            std::unique_ptr<SwPaM> pNewPam;
            SwPaM * pPam = &rPam;
            if (bSelectAll)
            {
                assert(dynamic_cast<SwShellCursor*>(&rPam)); // must be corrected pam
                pNewPam.reset(new SwPaM(*rPam.GetMark(), *rPam.GetPoint()));
                // Selection starts at the first para of the first cell, but we
                // want to delete the table node before the first cell as well.
                pNewPam->Start()->nNode = pNewPam->Start()->nNode.GetNode().FindTableNode()->GetIndex();
                pNewPam->Start()->nContent.Assign(nullptr, 0);
                pPam = pNewPam.get();
            }
            // delete everything
            GetDoc()->getIDocumentContentOperations().DeleteAndJoin(*pPam);
            SaveTableBoxContent( pPam->GetPoint() );
        }

        // Selection is not needed anymore
        rPam.DeleteMark();
    }

    bool SwEditShell::Delete()
    {
        SET_CURR_SHELL( this );
        bool bRet = false;
        if ( !HasReadonlySel() || CursorInsideInputField() )
        {
            StartAllAction();

            bool bUndo = GetCursor()->GetNext() != GetCursor();
            if( bUndo ) // more than one selection?
            {
                SwRewriter aRewriter;
                aRewriter.AddRule(UndoArg1, SwResId(STR_MULTISEL));

                GetDoc()->GetIDocumentUndoRedo().StartUndo(SwUndoId::DELETE, &aRewriter);
            }

            for(SwPaM& rPaM : GetCursor()->GetRingContainer())
            {
                DeleteSel( rPaM, &bUndo );
            }

            // If undo container then close here
            if( bUndo )
            {
                GetDoc()->GetIDocumentUndoRedo().EndUndo(SwUndoId::END, nullptr);
            }
            EndAllAction();
            bRet = true;
        }
        else
        {
            bRet = RemoveParagraphMetadataFieldAtCursor();
        }

        return bRet;
    }

    bool SwEditShell::Copy( SwEditShell* pDestShell )
    {
        if( !pDestShell )
            pDestShell = this;

        SET_CURR_SHELL( pDestShell );

        // List of insert positions for smart insert of block selections
        std::vector< std::shared_ptr<SwPosition> > aInsertList;

        // Fill list of insert positions
        {
            SwPosition * pPos = nullptr;
            std::shared_ptr<SwPosition> pInsertPos;
            sal_uInt16 nMove = 0;
            for(SwPaM& rPaM : GetCursor()->GetRingContainer())
            {
                if( !pPos )
                {
                    if( pDestShell == this )
                    {
                        // First cursor represents the target position!!
                        rPaM.DeleteMark();
                        pPos = rPaM.GetPoint();
                        continue;
                    }
                    else
                        pPos = pDestShell->GetCursor()->GetPoint();
                }
                if( IsBlockMode() )
                {   // In block mode different insert positions will be calculated
                    // by simulated cursor movements from the given first insert position
                    if( nMove )
                    {
                        SwCursor aCursor( *pPos, nullptr);
                        if( aCursor.UpDown( false, nMove, nullptr, 0 ) )
                        {
                            pInsertPos.reset( new SwPosition( *aCursor.GetPoint() ) );
                            aInsertList.push_back( pInsertPos );
                        }
                    }
                    else
                        pInsertPos.reset( new SwPosition( *pPos ) );
                    ++nMove;
                }
                SwPosition *pTmp = IsBlockMode() ? pInsertPos.get() : pPos;
                // Check if a selection would be copied into itself
                if( pDestShell->GetDoc() == GetDoc() &&
                    *rPaM.Start() <= *pTmp && *pTmp < *rPaM.End() )
                    return false;
            }
        }

        pDestShell->StartAllAction();
        SwPosition *pPos = nullptr;
        bool bRet = false;
        bool bFirstMove = true;
        SwNodeIndex aSttNdIdx( pDestShell->GetDoc()->GetNodes() );
        sal_Int32 nSttCntIdx = 0;
        // For block selection this list is filled with the insert positions
        auto pNextInsert = aInsertList.begin();

        pDestShell->GetDoc()->GetIDocumentUndoRedo().StartUndo( SwUndoId::START, nullptr );
        for(SwPaM& rPaM : GetCursor()->GetRingContainer())
        {
            if( !pPos )
            {
                if( pDestShell == this )
                {
                    // First cursor represents the target position!!
                    rPaM.DeleteMark();
                    pPos = rPaM.GetPoint();
                    continue;
                }
                else
                    pPos = pDestShell->GetCursor()->GetPoint();
            }
            if( !bFirstMove )
            {
                if( pNextInsert != aInsertList.end() )
                {
                    pPos = pNextInsert->get();
                    ++pNextInsert;
                }
                else if( IsBlockMode() )
                    GetDoc()->getIDocumentContentOperations().SplitNode( *pPos, false );
            }

            // Only for a selection (non-text nodes have selection but Point/GetMark are equal)
            if( !rPaM.HasMark() || *rPaM.GetPoint() == *rPaM.GetMark() )
                continue;

            if( bFirstMove )
            {
                // Store start position of the new area
                aSttNdIdx = pPos->nNode.GetIndex()-1;
                nSttCntIdx = pPos->nContent.GetIndex();
                bFirstMove = false;
            }

            const bool bSuccess( GetDoc()->getIDocumentContentOperations().CopyRange( rPaM, *pPos, /*bCopyAll=*/false, /*bCheckPos=*/true ) );
            if (!bSuccess)
                continue;

            SwPaM aInsertPaM(*pPos, SwPosition(aSttNdIdx));
            pDestShell->GetDoc()->MakeUniqueNumRules(aInsertPaM);

            bRet = true;
        }

        // Maybe nothing has been moved?
        if( !bFirstMove )
        {
            SwPaM* pCursor = pDestShell->GetCursor();
            pCursor->SetMark();
            pCursor->GetPoint()->nNode = aSttNdIdx.GetIndex()+1;
            pCursor->GetPoint()->nContent.Assign( pCursor->GetContentNode(),nSttCntIdx);
            pCursor->Exchange();
        }
        else
        {
            // If the cursor moved during move process, move also its GetMark
            pDestShell->GetCursor()->SetMark();
            pDestShell->GetCursor()->DeleteMark();
        }
    #if OSL_DEBUG_LEVEL > 0
    // check if the indices are registered in the correct nodes
    {
        for(SwPaM& rCmp : pDestShell->GetCursor()->GetRingContainer())
        {
            OSL_ENSURE( rCmp.GetPoint()->nContent.GetIdxReg()
                        == rCmp.GetContentNode(), "Point in wrong Node" );
            OSL_ENSURE( rCmp.GetMark()->nContent.GetIdxReg()
                        == rCmp.GetContentNode(false), "Mark in wrong Node" );
        }
    }
    #endif

        // close Undo container here
        pDestShell->GetDoc()->GetIDocumentUndoRedo().EndUndo( SwUndoId::END, nullptr );
        pDestShell->EndAllAction();

        pDestShell->SaveTableBoxContent( pDestShell->GetCursor()->GetPoint() );

        return bRet;
    }

    /** Replace a selected area in a text node with a given string.
     *
     * Intended for "search & replace".
     *
     * @param bRegExpRplc if <true> replace tabs (\\t) and replace with found string (not \&).
     *                    E.g. [Fnd: "zzz", Repl: "xx\t\\t..&..\&"] --> "xx\t<Tab>..zzz..&"
     */
    bool SwEditShell::Replace( const OUString& rNewStr, bool bRegExpRplc )
    {
        SET_CURR_SHELL( this );

        bool bRet = false;
        if( !HasReadonlySel() )
        {
            StartAllAction();
            GetDoc()->GetIDocumentUndoRedo().StartUndo(SwUndoId::EMPTY, nullptr);

            for(SwPaM& rPaM : GetCursor()->GetRingContainer())
            {
                if( rPaM.HasMark() && *rPaM.GetMark() != *rPaM.GetPoint() )
                {
                    bRet = GetDoc()->getIDocumentContentOperations().ReplaceRange( rPaM, rNewStr, bRegExpRplc )
                        || bRet;
                    SaveTableBoxContent( rPaM.GetPoint() );
                }
            }

            // close Undo container here
            GetDoc()->GetIDocumentUndoRedo().EndUndo(SwUndoId::EMPTY, nullptr);
            EndAllAction();
        }
        return bRet;
    }

    /// special method for JOE's wizards
    bool SwEditShell::DelFullPara()
    {
        bool bRet = false;
        if( !IsTableMode() )
        {
            SwPaM* pCursor = GetCursor();
            // no multi selection
            if( !pCursor->IsMultiSelection() && !HasReadonlySel() )
            {
                SET_CURR_SHELL( this );
                StartAllAction();
                bRet = GetDoc()->getIDocumentContentOperations().DelFullPara( *pCursor );
                EndAllAction();
            }
        }
        return bRet;
    }

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V654 The condition 'pEndSelPos' of loop is always true.