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Diffstat (limited to 'sdext/source/pdfimport/inc/treevisitorfactory.hxx')
-rw-r--r-- | sdext/source/pdfimport/inc/treevisitorfactory.hxx | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/inc/treevisitorfactory.hxx b/sdext/source/pdfimport/inc/treevisitorfactory.hxx new file mode 100644 index 000000000..45621b318 --- /dev/null +++ b/sdext/source/pdfimport/inc/treevisitorfactory.hxx @@ -0,0 +1,59 @@ +/* -*- 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: */ |