treevisitorfactory.hxx

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#ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITORFACTORY_HXX
#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITORFACTORY_HXX
 
#include <memory>
 
namespace pdfi
{
    struct ElementTreeVisitor;
    struct EmitContext;
    class PDFIProcessor;
    class StyleContainer;
 
    struct TreeVisitorFactory
    {
        virtual ~TreeVisitorFactory() {}
 
        virtual std::shared_ptr<ElementTreeVisitor> createOptimizingVisitor(PDFIProcessor&) const = 0;
        virtual std::shared_ptr<ElementTreeVisitor> createStyleCollectingVisitor(
            StyleContainer&, PDFIProcessor&) const = 0;
        virtual std::shared_ptr<ElementTreeVisitor> createEmittingVisitor(EmitContext&) const = 0;
    };
 
    typedef std::shared_ptr<TreeVisitorFactory> TreeVisitorFactorySharedPtr;
 
    TreeVisitorFactorySharedPtr createWriterTreeVisitorFactory();
    TreeVisitorFactorySharedPtr createImpressTreeVisitorFactory();
    TreeVisitorFactorySharedPtr createDrawTreeVisitorFactory();
}
 
#endif
 
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