a9ef943769
Change-Id: I0870d4b1e85465b07e3d9cdb05520fcb37dfc267 Reviewed-on: https://gerrit.libreoffice.org/50659 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
63 lines
2.6 KiB
C++
63 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITING_HXX
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#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITING_HXX
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#include <sal/config.h>
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#include <list>
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namespace pdfi
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{
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struct HyperlinkElement;
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struct TextElement;
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struct ParagraphElement;
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struct FrameElement;
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struct PolyPolyElement;
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struct ImageElement;
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struct PageElement;
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struct DocumentElement;
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struct Element;
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/** To be visited by all tree element types
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Visitor interface from the "visitor pattern". Implementor gets
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called with actual tree node instances.
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*/
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struct ElementTreeVisitor
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{
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virtual void visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( TextElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( ParagraphElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( FrameElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( PolyPolyElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( PageElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual void visit( DocumentElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
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virtual ~ElementTreeVisitor() {}
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};
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typedef std::shared_ptr<ElementTreeVisitor> ElementTreeVisitorSharedPtr;
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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