    /* -*- 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 <annotationmark.hxx>

    #include <doc.hxx>
    #include <IDocumentMarkAccess.hxx>
    #include <IDocumentFieldsAccess.hxx>
    #include <IDocumentState.hxx>
    #include <fldbas.hxx>
    #include <calbck.hxx>
    #include <fmtfld.hxx>
    #include <docufld.hxx>
    #include <IDocumentUndoRedo.hxx>
    #include <UndoBookmark.hxx>
    #include <ndtxt.hxx>
    #include <txtfld.hxx>

    namespace sw { namespace mark
    {
        AnnotationMark::AnnotationMark(
            const SwPaM& rPaM,
            const OUString& rName )
            : MarkBase( rPaM, rName )
        {
            if ( rName.getLength() == 0 )
            {
                SetName( MarkBase::GenerateNewName("__Annotation__") );
            }
        }

        AnnotationMark::~AnnotationMark()
        {
        }

        void AnnotationMark::InitDoc(SwDoc* const io_pDoc, sw::mark::InsertMode const)
        {
            SwTextNode *pTextNode = GetMarkEnd().nNode.GetNode().GetTextNode();
            assert(pTextNode);
            SwTextField *const pTextField = pTextNode->GetFieldTextAttrAt(
                GetMarkEnd().nContent.GetIndex()-1, true);
            assert(pTextField != nullptr);
            const SwPostItField* pPostItField = dynamic_cast< const SwPostItField* >(pTextField->GetFormatField().GetField());
            assert(pPostItField != nullptr);
            // use the annotation mark's name as the annotation name, if
            // - the annotation field has an empty annotation name or
            // - the annotation mark's name differs (on mark creation a name clash had been detected)
            if ( pPostItField->GetName().isEmpty()
                || pPostItField->GetName() != GetName() )
            {
                const_cast<SwPostItField*>(pPostItField)->SetName( GetName() );
            }

            if (io_pDoc->GetIDocumentUndoRedo().DoesUndo())
            {
                io_pDoc->GetIDocumentUndoRedo().AppendUndo( new SwUndoInsBookmark(*this) );
            }
            io_pDoc->getIDocumentState().SetModified();
        }

        const SwFormatField* AnnotationMark::GetAnnotationFormatField() const
        {
            SwDoc* pDoc = GetMarkPos().GetDoc();
            assert(pDoc != nullptr);

            SwFormatField* pAnnotationFormatField = nullptr;

            SwFieldType* pType = pDoc->getIDocumentFieldsAccess().GetFieldType( SwFieldIds::Postit, OUString(), false );
            SwIterator<SwFormatField,SwFieldType> aIter( *pType );
            for( SwFormatField* pFormatField = aIter.First(); pFormatField != nullptr; pFormatField = aIter.Next() )
            {
                if ( pFormatField->IsFieldInDoc() )
                {
                    const SwPostItField* pPostItField = dynamic_cast< const SwPostItField* >(pFormatField->GetField());
                    if (pPostItField != nullptr && pPostItField->GetName() == GetName())
                    {
                        pAnnotationFormatField = pFormatField;
                        break;
                    }
                }
            }

            return pAnnotationFormatField;
        }
    }}

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

↑ V522 There might be dereferencing of a potential null pointer 'pPostItField'.