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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_OOX_SOURCE_DRAWINGML_DIAGRAM_LAYOUTATOMVISITORBASE_HXX
#define INCLUDED_OOX_SOURCE_DRAWINGML_DIAGRAM_LAYOUTATOMVISITORBASE_HXX
#include "diagram.hxx"
#include "diagramlayoutatoms.hxx"
namespace oox::drawingml {
struct LayoutAtomVisitor
{
virtual ~LayoutAtomVisitor() {}
virtual void visit(ConstraintAtom& rAtom) = 0;
virtual void visit(RuleAtom& rAtom) = 0;
virtual void visit(AlgAtom& rAtom) = 0;
virtual void visit(ForEachAtom& rAtom) = 0;
virtual void visit(ConditionAtom& rAtom) = 0;
virtual void visit(ChooseAtom& rAtom) = 0;
virtual void visit(LayoutNode& rAtom) = 0;
virtual void visit(ShapeAtom& rAtom) = 0;
};
// basic visitor implementation that follows if/else and for-each nodes
// and keeps track of current position in data tree
class LayoutAtomVisitorBase : public LayoutAtomVisitor
{
public:
LayoutAtomVisitorBase(const Diagram& rDgm, const dgm::Point* pRootPoint) :
mrDgm(rDgm),
mpCurrentNode(pRootPoint),
mnCurrIdx(0),
mnCurrStep(0),
mnCurrCnt(0),
meLookFor(LAYOUT_NODE)
{}
void defaultVisit(LayoutAtom const& rAtom);
using LayoutAtomVisitor::visit;
virtual void visit(ForEachAtom& rAtom) override;
virtual void visit(ConditionAtom& rAtom) override;
virtual void visit(ChooseAtom& rAtom) override;
virtual void visit(LayoutNode& rAtom) override;
protected:
const Diagram& mrDgm;
const dgm::Point* mpCurrentNode;
sal_Int32 mnCurrIdx;
sal_Int32 mnCurrStep;
sal_Int32 mnCurrCnt;
enum {LAYOUT_NODE, CONSTRAINT, ALGORITHM, RULE} meLookFor;
};
class ShallowPresNameVisitor : public LayoutAtomVisitorBase
{
public:
explicit ShallowPresNameVisitor(const Diagram& rDgm, const dgm::Point* pRootPoint) :
LayoutAtomVisitorBase(rDgm, pRootPoint),
mnCnt(0)
{}
using LayoutAtomVisitorBase::visit;
virtual void visit(ConstraintAtom& rAtom) override;
virtual void visit(RuleAtom& rAtom) override;
virtual void visit(AlgAtom& rAtom) override;
virtual void visit(ForEachAtom& rAtom) override;
virtual void visit(LayoutNode& rAtom) override;
virtual void visit(ShapeAtom& rAtom) override;
size_t getCount() const { return mnCnt; }
private:
size_t mnCnt;
};
}
#endif
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