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/******************************************************************************
 *
 * Copyright (C) 1997-2015 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.
 *
 * Documents produced by Doxygen are derivative works derived from the
 * input used in their production; they are not affected by this license.
 *
 */

#ifndef PLANTUML_H
#define PLANTUML_H

#include <qdict.h>
#include <qlist.h>

#define CACHE_FILENAME          "inline_umlgraph_cache_all.pu"
#define DIVIDE_COUNT            4
#define MIN_PLANTUML_COUNT      8

class QCString;

/** Plant UML output image formats */
enum PlantUMLOutputFormat { PUML_BITMAP, PUML_EPS, PUML_SVG };

/** Write a PlantUML compatible file.
 *  @param[in] outDir   the output directory to write the file to.
 *  @param[in] fileName the name of the file. If empty a name will be chosen automatically.
 *  @param[in] content  the contents of the PlantUML file.
 *  @param[in] format   the image format to generate.
 *  @returns The name of the generated file.
 */
QCString writePlantUMLSource(const QCString &outDir,const QCString &fileName,const QCString &content,PlantUMLOutputFormat format);

/** Convert a PlantUML file to an image.
 *  @param[in] baseName the name of the generated file (as returned by writePlantUMLSource())
 *  @param[in] outDir   the directory to write the resulting image into.
 *  @param[in] format   the image format to generate.
 */
void generatePlantUMLOutput(const char *baseName,const char *outDir,PlantUMLOutputFormat format);

/** Singleton that manages plantuml relation actions */
class PlantumlManager
{
  public:
    static PlantumlManager *instance();
    void run();
   	void insert(const QCString key , const QCString value,PlantUMLOutputFormat format,const QCString &puContent);
  private:
    PlantumlManager();
    virtual ~PlantumlManager();
	  void addPlantumlFiles(QDict< QList <QCString> > &PlantumlFiles,const QCString key , const QCString value);
	  void print(QDict< QList <QCString> > &PlantumlFiles);
	  void addPlantumlContent(QDict< QCString > &PlantumlContent,const QCString key , const QCString &puContent);
	  void print(QDict< QCString > &PlantumlContent);
	  void runPlantumlContent(QDict< QList <QCString> > &PlantumlFiles,QDict< QCString > &PlantumlContent, PlantUMLOutputFormat format);
    static PlantumlManager     *m_theInstance;
    QDict< QList<QCString> >       m_pngPlantumlFiles;
    QDict< QList<QCString> >       m_svgPlantumlFiles;
    QDict< QList<QCString> >       m_epsPlantumlFiles;
    QDict< QCString >       m_pngPlantumlContent;     // use circular queue for using multi-proecessor (multi threading)
    QDict< QCString >       m_svgPlantumlContent;
    QDict< QCString >       m_epsPlantumlContent;
    QCString                m_cachedPlantumlAllContent;         // read from CACHE_FILENAME file
    QCString                m_currentPlantumlAllContent;        // processing plantuml then write it into CACHE_FILENAME to reuse the next time as cache information
};

#endif