TypeInfo.hpp

/***************************************************************************
  tag: Peter Soetens  Mon Jan 19 14:11:26 CET 2004  TypeInfo.hpp

                        TypeInfo.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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 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
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#ifndef ORO_CORELIB_TYPEINFO_HPP
#define ORO_CORELIB_TYPEINFO_HPP

#include <vector>
#include <string>
#include "../base/DataSourceBase.hpp"
#include "../base/ChannelElementBase.hpp"

namespace RTT
{ namespace types {

    class RTT_API TypeInfo
    {
    protected:
        typedef std::vector<TypeBuilder*> Constructors;
        typedef std::vector<TypeTransporter*> Transporters;
        Constructors constructors;
        Transporters transporters;
    public:
        virtual ~TypeInfo();
        virtual const std::string& getTypeName() const = 0;

        virtual bool installTypeInfoObject() = 0;

        virtual base::AttributeBase* buildConstant(std::string name,base::DataSourceBase::shared_ptr, int sizehint) const;
        virtual base::AttributeBase* buildConstant(std::string name,base::DataSourceBase::shared_ptr) const = 0;
        virtual base::AttributeBase* buildVariable(std::string name,int sizehint) const;
        virtual base::AttributeBase* buildVariable(std::string name) const = 0;

        virtual bool resize(base::DataSourceBase::shared_ptr arg, int size) const;

        virtual base::DataSourceBase::shared_ptr construct(const std::vector<base::DataSourceBase::shared_ptr>& args) const;

        virtual base::DataSourceBase::shared_ptr convert(base::DataSourceBase::shared_ptr arg) const;

        virtual void addConstructor(TypeBuilder* tb);

        virtual base::AttributeBase* buildAlias(std::string name, base::DataSourceBase::shared_ptr b ) const = 0;

        virtual base::PropertyBase* buildProperty(const std::string& name, const std::string& desc, base::DataSourceBase::shared_ptr source = 0) const = 0;

        virtual base::AttributeBase* buildAttribute(std::string name, base::DataSourceBase::shared_ptr source = 0 ) const = 0;

        virtual base::DataSourceBase::shared_ptr buildValue() const = 0;

        virtual base::DataSourceBase::shared_ptr buildReference(void* ptr) const = 0;

        virtual base::DataSourceBase::shared_ptr buildActionAlias(base::ActionInterface* action, base::DataSourceBase::shared_ptr source) const = 0;
        virtual std::ostream& write(std::ostream& os, base::DataSourceBase::shared_ptr in ) const = 0;

        virtual std::istream& read(std::istream& os, base::DataSourceBase::shared_ptr out ) const = 0;

        virtual std::string toString( base::DataSourceBase::shared_ptr in ) const;

        virtual bool fromString( const std::string& value, base::DataSourceBase::shared_ptr out ) const;

        virtual bool isStreamable() const = 0;
        virtual std::vector<std::string> getMemberNames() const;

        virtual base::DataSourceBase::shared_ptr getMember(base::DataSourceBase::shared_ptr item, const std::string& name) const;

        virtual base::DataSourceBase::shared_ptr getMember(base::DataSourceBase::shared_ptr item,
                                                           base::DataSourceBase::shared_ptr id) const;

        virtual bool composeType( base::DataSourceBase::shared_ptr source, base::DataSourceBase::shared_ptr target) const = 0;

        virtual base::DataSourceBase::shared_ptr decomposeType(base::DataSourceBase::shared_ptr source) const;

        virtual base::DataSourceBase::shared_ptr convertType(base::DataSourceBase::shared_ptr source) const;

        bool addProtocol(int protocol_id, TypeTransporter* tt);

        TypeTransporter* getProtocol(int protocol_id) const;

        bool hasProtocol(int protocol_id) const;

        std::vector<int> getTransportNames() const;

        typedef const std::type_info * TypeId;
        virtual TypeId getTypeId() const = 0;
        virtual const char * getTypeIdName() const = 0;

        virtual base::InputPortInterface* inputPort(std::string const& name) const = 0;

        virtual base::OutputPortInterface* outputPort(std::string const& name) const = 0;

        virtual base::ChannelElementBase::shared_ptr buildDataStorage(ConnPolicy const& policy) const = 0;
        virtual base::ChannelElementBase::shared_ptr buildChannelOutput(base::InputPortInterface& port) const = 0;
        virtual base::ChannelElementBase::shared_ptr buildChannelInput(base::OutputPortInterface& port) const = 0;

    protected:
        void migrateProtocols(TypeInfo* orig);
    };

}}

#endif