ValuePrinterRegistry.hpp

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#pragma once
 
#include <ext/memory>
#include <ext/string>
#include <ext/map>
#include <ext/typeinfo>
 
#include <abstraction/OperationAbstraction.hpp>
#include "BaseRegistryEntry.hpp"
 
namespace abstraction {
 
class ValuePrinterRegistry {
public:
    class Entry : public BaseRegistryEntry {
    };
 
private:
    template < class Param >
    class EntryImpl : public Entry {
    public:
        EntryImpl ( ) = default;
 
        std::shared_ptr < abstraction::OperationAbstraction > getAbstraction ( ) const override;
    };
 
    static ext::map < std::string, std::unique_ptr < Entry > > & getEntries ( );
 
public:
    static void unregisterValuePrinter ( const std::string & param );
 
    template < class ParamType >
    static void unregisterValuePrinter ( ) {
        std::string param = ext::to_string < ParamType > ( );
        unregisterValuePrinter ( param );
    }
 
    static void registerValuePrinter ( std::string param, std::unique_ptr < Entry > entry );
 
    template < class ParamType >
    static void registerValuePrinter ( std::string param ) {
        registerValuePrinter ( std::move ( param ), std::unique_ptr < Entry > ( new EntryImpl < ParamType > ( ) ) );
    }
 
    template < class ParamType >
    static void registerValuePrinter ( ) {
        std::string param = ext::to_string < ParamType > ( );
        registerValuePrinter < ParamType > ( std::move ( param ) );
    }
 
    static std::shared_ptr < abstraction::OperationAbstraction > getAbstraction ( const std::string & param );
};
 
} /* namespace abstraction */
 
#include <abstraction/ValuePrinterAbstraction.hpp>
 
namespace abstraction {
 
template < class Param >
std::shared_ptr < abstraction::OperationAbstraction > ValuePrinterRegistry::EntryImpl < Param >::getAbstraction ( ) const {
    return std::make_shared < abstraction::ValuePrinterAbstraction < const Param & > > ( );
}
 
template < >
std::shared_ptr < abstraction::OperationAbstraction > ValuePrinterRegistry::EntryImpl < void >::getAbstraction ( ) const;
 
} /* namespace abstraction */