Operators.hpp

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/***************************************************************************
  tag: Peter Soetens  Mon Jan 19 14:11:25 CET 2004  Operators.hpp

                        Operators.hpp -  description
                           -------------------
    begin                : Mon January 19 2004
    copyright            : (C) 2004 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be

 ***************************************************************************
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#ifndef ORO_OPERATORS_HPP
#define ORO_OPERATORS_HPP

#include <string>
#include <vector>
#include "../internal/DataSource.hpp"
#include <boost/shared_ptr.hpp>

namespace RTT { namespace types
{

  class RTT_API UnaryOp
  {
  public:
    virtual ~UnaryOp();
    virtual base::DataSourceBase* build( const std::string& op,
                                   base::DataSourceBase* a ) = 0;
  };

  class RTT_API BinaryOp
  {
  public:
    virtual ~BinaryOp();
    virtual base::DataSourceBase* build(
      const std::string& op, base::DataSourceBase* a, base::DataSourceBase* b ) = 0;

    virtual bool isExactMatch(const std::string& op, base::DataSourceBase* a,
                              base::DataSourceBase* b ) = 0;
  };

    class RTT_API OperatorRepository
    {
        std::vector<UnaryOp*> unaryops;
        std::vector<BinaryOp*> binaryops;
        OperatorRepository();
        OperatorRepository( const OperatorRepository& );

    public:
        void add( UnaryOp* o );
        void add( BinaryOp* o );

        typedef boost::shared_ptr<OperatorRepository> shared_ptr;
        ~OperatorRepository();
        static shared_ptr Instance();
        base::DataSourceBase* applyUnary( const std::string& op, base::DataSourceBase* a );
        base::DataSourceBase* applyBinary(
                                    const std::string& op, base::DataSourceBase* a, base::DataSourceBase* b );
    };

    RTT_API OperatorRepository::shared_ptr operators();
}}

#endif