XmlParserRegistry.hpp

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#pragma once
 
#include <ext/memory>
 
#include <alib/string>
#include <alib/map>
 
#include <abstraction/OperationAbstraction.hpp>
 
#include <core/xmlApi.hpp>
 
namespace abstraction {
 
class XmlParserRegistry {
public:
    class Entry {
    public:
        virtual std::shared_ptr < abstraction::OperationAbstraction > getAbstraction ( ) const = 0;
 
        virtual ~Entry ( ) = default;
    };
 
private:
    template < class Return >
    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 unregisterXmlParser ( const std::string & result );
 
    template < class ReturnType >
    static void unregisterXmlParser ( ) {
        std::string ret = core::xmlApi < ReturnType >::xmlTagName ( );
        unregisterXmlParser ( ret );
    }
 
    static void registerXmlParser ( std::string result, std::unique_ptr < Entry > entry );
 
    template < class ReturnType >
    static void registerXmlParser ( std::string result ) {
        registerXmlParser ( std::move ( result ), std::unique_ptr < Entry > ( new EntryImpl < ReturnType > ( ) ) ) ;
    }
 
    template < class ReturnType >
    static void registerXmlParser ( ) {
        std::string ret = core::xmlApi < ReturnType >::xmlTagName ( );
        registerXmlParser < ReturnType > ( std::move ( ret ) );
    }
 
    static std::shared_ptr < abstraction::OperationAbstraction > getAbstraction ( const std::string & typeName );
};
 
} /* namespace abstraction */
 
#include <abstraction/XmlParserAbstraction.hpp>
 
namespace abstraction {
 
template < class Return >
std::shared_ptr < abstraction::OperationAbstraction > XmlParserRegistry::EntryImpl < Return >::getAbstraction ( ) const {
    return std::make_shared < abstraction::XmlParserAbstraction < Return > > ( );
}
 
} /* namespace abstraction */