treevisiting.hxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITING_HXX
#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITING_HXX
 
#include <sal/config.h>
#include <list>
#include <memory>
 
namespace pdfi
{
    struct HyperlinkElement;
    struct TextElement;
    struct ParagraphElement;
    struct FrameElement;
    struct PolyPolyElement;
    struct ImageElement;
    struct PageElement;
    struct DocumentElement;
    struct Element;
 
    struct ElementTreeVisitor
    {
        virtual void visit( HyperlinkElement&, const std::list< std::unique_ptr<Element> >::const_iterator& ) = 0;
        virtual void visit( TextElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( ParagraphElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( FrameElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( PolyPolyElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( ImageElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( PageElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual void visit( DocumentElement&, const std::list< std::unique_ptr<Element> >::const_iterator&  ) = 0;
        virtual ~ElementTreeVisitor() {}
    };
    typedef std::shared_ptr<ElementTreeVisitor> ElementTreeVisitorSharedPtr;
 
}
 
#endif
 
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