#ifndef __cpPlugins__Interface__Plugins__h__
#define __cpPlugins__Interface__Plugins__h__

#include <cpPlugins/Config.h>
#include <cpPlugins/BaseObjects/ProcessObject.h>
#include <itkObject.h>
#include <map>
#include <set>
#include <string>

namespace cpPlugins
{
  namespace Interface
  {
    /**
     */
    class cpPlugins_EXPORT Plugins
      : public itk::Object
    {
    public:
      typedef Plugins                         Self;
      typedef itk::Object                     Superclass;
      typedef itk::SmartPointer< Self >       Pointer;
      typedef itk::SmartPointer< const Self > ConstPointer;

      typedef std::pair< void*, void* >           THandlers;
      typedef std::pair< std::string, THandlers > TLibData;
      typedef std::map< std::string, TLibData >   TLibraries;
      typedef std::map< std::string, TLibraries > TFilters;

    public:
      itkTypeMacro( Plugins, itk::Object );

    public:
      static Pointer New( );
      virtual itk::LightObject::Pointer CreateAnother( ) const cpPlugins_OVERRIDE;
      Pointer Clone( ) const;

      const TFilters& GetFilters( ) const;

      void LoadPluginsFile( const std::string& libname );
      void LoadPluginsDirectory( const std::string& dir );
      void GuessPlugins( );
      void GuessEnvironment( const std::string& dir );
      bool SaveEnvironment( const std::string& dir );

      cpPlugins::BaseObjects::ProcessObject::Pointer
      CreateFilter( const std::string& category, const std::string& name );

    protected:
      Plugins( );
      virtual ~Plugins( );
      virtual void PrintSelf( std::ostream& os, itk::Indent indent ) const cpPlugins_OVERRIDE;

      void _ReadPluginsPathsVariable( );

    private:
      // Purposely not implemented
      Plugins( const Self& other );
      Self& operator=( const Self& other );

    protected:
      static Pointer          m_Singleton;
      std::set< std::string > m_PluginsPaths;
      TFilters                m_Filters;
    };

  } // ecapseman

} // ecapseman

#endif // __cpPlugins__Interface__Plugins__h__

// eof - $RCSfile$