Operators.hpp

/***************************************************************************
  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

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
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 *   version 2 of the License.                                             *
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 *   instantiate templates or use macros or inline functions from this     *
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#ifndef ORO_OPERATORS_HPP
#define ORO_OPERATORS_HPP

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

namespace RTT { namespace detail
{

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

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

  class RTT_API DotOp
  {
  public:
    virtual ~DotOp();
    virtual DataSourceBase* build( const std::string& member,
                                   DataSourceBase* a ) = 0;
  };
}
    class RTT_API OperatorRepository
    {
        std::vector<detail::DotOp*> dotops;
        std::vector<detail::UnaryOp*> unaryops;
        std::vector<detail::BinaryOp*> binaryops;
        OperatorRepository();
        OperatorRepository( const OperatorRepository& );

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

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

    RTT_API OperatorRepository::shared_ptr operators();
}

#endif