dotgfxhierarchytable.h

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/******************************************************************************
*
* Copyright (C) 1997-2019 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
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#ifndef DOTGFXHIERARCHYTABLE_H
#define DOTGFXHIERARCHYTABLE_H
 
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
 
#include "classdef.h"
#include "dotgraph.h"
#include "dotnode.h"
 
class ClassLinkedMap;
 
/** Represents a graphical class hierarchy */
class DotGfxHierarchyTable final : public DotGraph
{
  public:
    DotGfxHierarchyTable(const DString &prefix="",ClassDef::CompoundType ct=ClassDef::Class);
   ~DotGfxHierarchyTable() override = default;
    NON_COPYABLE(DotGfxHierarchyTable)
 
    void createGraph(DotNode *rootNode,TextStream &t,const DString &path,
                     const DString &fileName,int id);
    void writeGraph(TextStream &t,const DString &path, const DString &fileName);
    const std::vector<DotNode*> subGraphs() const { return m_rootSubgraphs; }
 
  protected:
    DString getBaseName() const override;
    DString getMapLabel() const override;
    void computeTheGraph() override;
 
  private:
    void addHierarchy(DotNode *n,const ClassDef *cd,ClassDefSet &visited);
    void addClassList(const ClassLinkedMap &cl,ClassDefSet &visited);
 
    using DotNodeMap = std::unordered_multimap< std::string, std::unique_ptr<DotNode> >;
    int                    m_graphId;
    DString                m_prefix;
    ClassDef::CompoundType m_classType;
    std::vector<DotNode*>  m_rootNodes;
    DotNodeMap             m_usedNodes;
    std::vector<DotNode*>  m_rootSubgraphs;
    DotNode *              m_rootSubgraphNode;
};
 
using DotGfxHierarchyTablePtr = std::shared_ptr<DotGfxHierarchyTable>;
 
#endif