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/* -*- 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 .
*/
#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;
/** Tree manipulation factory
Creates visitor objects performing various operations on the
pdf parse tree
*/
struct TreeVisitorFactory
{
virtual ~TreeVisitorFactory() {}
/// Create visitor that combines tree nodes
virtual std::shared_ptr<ElementTreeVisitor> createOptimizingVisitor(PDFIProcessor&) const = 0;
/// Create visitor that prepares style info
virtual std::shared_ptr<ElementTreeVisitor> createStyleCollectingVisitor(
StyleContainer&, PDFIProcessor&) const = 0;
/// Create visitor that emits tree to an output target
virtual std::shared_ptr<ElementTreeVisitor> createEmittingVisitor(EmitContext&) const = 0;
};
typedef std::shared_ptr<TreeVisitorFactory> TreeVisitorFactorySharedPtr;
TreeVisitorFactorySharedPtr createWriterTreeVisitorFactory();
TreeVisitorFactorySharedPtr createImpressTreeVisitorFactory();
TreeVisitorFactorySharedPtr createDrawTreeVisitorFactory();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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