LibreOffice Module sdext (master)  1
treevisitorfactory.hxx
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19 
20 #ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITORFACTORY_HXX
21 #define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_TREEVISITORFACTORY_HXX
22 
23 #include <memory>
24 
25 namespace pdfi
26 {
27  struct ElementTreeVisitor;
28  struct EmitContext;
29  class PDFIProcessor;
30  class StyleContainer;
31 
38  {
39  virtual ~TreeVisitorFactory() {}
40 
42  virtual std::shared_ptr<ElementTreeVisitor> createOptimizingVisitor(PDFIProcessor&) const = 0;
44  virtual std::shared_ptr<ElementTreeVisitor> createStyleCollectingVisitor(
45  StyleContainer&, PDFIProcessor&) const = 0;
47  virtual std::shared_ptr<ElementTreeVisitor> createEmittingVisitor(EmitContext&) const = 0;
48  };
49 
50  typedef std::shared_ptr<TreeVisitorFactory> TreeVisitorFactorySharedPtr;
51 
52  TreeVisitorFactorySharedPtr createWriterTreeVisitorFactory();
53  TreeVisitorFactorySharedPtr createImpressTreeVisitorFactory();
54  TreeVisitorFactorySharedPtr createDrawTreeVisitorFactory();
55 }
56 
57 #endif
58 
59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
std::shared_ptr< TreeVisitorFactory > TreeVisitorFactorySharedPtr
Main entry from the parser.
virtual std::shared_ptr< ElementTreeVisitor > createOptimizingVisitor(PDFIProcessor &) const =0
Create visitor that combines tree nodes.
TreeVisitorFactorySharedPtr createWriterTreeVisitorFactory()
Tree manipulation factory.
TreeVisitorFactorySharedPtr createImpressTreeVisitorFactory()
virtual std::shared_ptr< ElementTreeVisitor > createStyleCollectingVisitor(StyleContainer &, PDFIProcessor &) const =0
Create visitor that prepares style info.
virtual std::shared_ptr< ElementTreeVisitor > createEmittingVisitor(EmitContext &) const =0
Create visitor that emits tree to an output target.
TreeVisitorFactorySharedPtr createDrawTreeVisitorFactory()