#pragma once

#ifndef TPLUGINMANAGER_INCLUDED

#define TPLUGINMANAGER_INCLUDED

//

// TPluginManager

//

// usage example. Main program:

//

//    TPluginManager::instance()->setIgnored("tnzimage");

//    TPluginManager::instance()->loadStandardPlugins();

//

// N.B. "tnzimagevector" is ignored by default

//

// Plugin :

//

//    TPluginInfo info("pluginName");

//    TLIBMAIN

//    {

//       ....

//       return &info;

//    }

//

//#include "tfilepath.h"

#include "tcommon.h"

#include <set></set>

#undef DVAPI

#undef DVVAR

#ifdef TSYSTEM_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

class TFilePath;

//-----------------------------------------------------------------------------

class DVAPI TPluginInfo {

  std::string m_name;

public:

  TPluginInfo(std::string name = "") : m_name(name){};

  ~TPluginInfo(){};

  std::string getName() const { return m_name; };

};

//-----------------------------------------------------------------------------

//

// L'entry point del plugin e' TLIBMAIN {....}

//

#ifdef _WIN32

#define TLIBMAIN extern "C" __declspec(dllexport) const TPluginInfo *TLibMain()

#else

#define TLIBMAIN extern "C" const TPluginInfo *TLibMain()

#endif

//-----------------------------------------------------------------------------

class DVAPI TPluginManager {  // singleton

  class Plugin;

  std::set<std::string> m_ignoreList;</std::string>

  typedef std::vector<const *="" plugin=""> PluginTable;</const>

  PluginTable m_pluginTable;

  std::set<tfilepath> m_loadedPlugins;</tfilepath>

  TPluginManager();

public:

  ~TPluginManager();

  static TPluginManager *instance();

  // the name should be ignored? (name only; case insensitive. e.g. "tnzimage")

  bool isIgnored(std::string name) const;

  // set names to ignore; clear previous list

  void setIgnoredList(const std::set<std::string> &lst);</std::string>

  // helper method.

  void setIgnored(std::string name) {

    std::set<std::string> lst;</std::string>

    lst.insert(name);

    setIgnoredList(lst);

  }

  // try to load plugin specified by fp; check if already loaded

  void loadPlugin(const TFilePath &fp);

  // load all plugins in dir

  void loadPlugins(const TFilePath &dir);

  // load all plugins in <bin>/plugins/io and <bin>/plugins/fx</bin></bin>

  void loadStandardPlugins();

  // unload plugins (automatically called atexit)

  void unloadPlugins();

};

#endif