#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