layer_stack_builder.hh

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#pragma once

#include "layer_factory.hh"

class layer_stack_builder {
private: 
  typedef std::map<std::string, layer_factory*> LayerFactoryMap;

  static layer_stack_builder * _instance;                        
  std::map<std::string, layer_factory*> _layer_factories; 

  layer_stack_builder(); // can not be created manually
public: 

  static layer_stack_builder* get_instance();

  static void register_layer_factory(const std::string & p_type, layer_factory* p_layer_factory);

private: 

  void _register_layer_factory(const std::string & p_type, layer_factory* p_layer_factory);

public: 

  layer* create_layer_stack(const char* p_layer_stack_description);
}; // End of class layer_stack_builder