98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_OOX_SOURCE_DRAWINGML_DIAGRAM_LAYOUTATOMVISITORBASE_HXX
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#define INCLUDED_OOX_SOURCE_DRAWINGML_DIAGRAM_LAYOUTATOMVISITORBASE_HXX
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#include "diagram.hxx"
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#include "diagramlayoutatoms.hxx"
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namespace oox::drawingml {
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struct LayoutAtomVisitor
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{
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virtual ~LayoutAtomVisitor() {}
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virtual void visit(ConstraintAtom& rAtom) = 0;
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virtual void visit(RuleAtom& rAtom) = 0;
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virtual void visit(AlgAtom& rAtom) = 0;
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virtual void visit(ForEachAtom& rAtom) = 0;
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virtual void visit(ConditionAtom& rAtom) = 0;
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virtual void visit(ChooseAtom& rAtom) = 0;
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virtual void visit(LayoutNode& rAtom) = 0;
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virtual void visit(ShapeAtom& rAtom) = 0;
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};
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// basic visitor implementation that follows if/else and for-each nodes
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// and keeps track of current position in data tree
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class LayoutAtomVisitorBase : public LayoutAtomVisitor
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{
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public:
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LayoutAtomVisitorBase(const Diagram& rDgm, const svx::diagram::Point* pRootPoint) :
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mrDgm(rDgm),
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mpCurrentNode(pRootPoint),
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mnCurrIdx(0),
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mnCurrStep(0),
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mnCurrCnt(0),
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meLookFor(LAYOUT_NODE)
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{}
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void defaultVisit(LayoutAtom const& rAtom);
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using LayoutAtomVisitor::visit;
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virtual void visit(ForEachAtom& rAtom) override;
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virtual void visit(ConditionAtom& rAtom) override;
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virtual void visit(ChooseAtom& rAtom) override;
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virtual void visit(LayoutNode& rAtom) override;
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protected:
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const Diagram& mrDgm;
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const svx::diagram::Point* mpCurrentNode;
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sal_Int32 mnCurrIdx;
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sal_Int32 mnCurrStep;
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sal_Int32 mnCurrCnt;
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enum {LAYOUT_NODE, CONSTRAINT, ALGORITHM, RULE} meLookFor;
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};
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class ShallowPresNameVisitor : public LayoutAtomVisitorBase
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{
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public:
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explicit ShallowPresNameVisitor(const Diagram& rDgm, const svx::diagram::Point* pRootPoint) :
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LayoutAtomVisitorBase(rDgm, pRootPoint),
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mnCnt(0)
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{}
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using LayoutAtomVisitorBase::visit;
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virtual void visit(ConstraintAtom& rAtom) override;
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virtual void visit(RuleAtom& rAtom) override;
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virtual void visit(AlgAtom& rAtom) override;
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virtual void visit(ForEachAtom& rAtom) override;
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virtual void visit(LayoutNode& rAtom) override;
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virtual void visit(ShapeAtom& rAtom) override;
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size_t getCount() const { return mnCnt; }
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private:
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size_t mnCnt;
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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