output connectors.
\code
class MyModule
- : public senf::ppi::module::MultiConnectorMixin<
+ : public senf::ppi::module::Modulem,
+ public senf::ppi::module::MultiConnectorMixin<
MyModule, senf::ppi::connector::ActiveInput<> >
{
SENF_PPI_MODULE(MyModule);
you need to pass a non-const reference, declare the \c connectorSetup() argument as
non-const reference and wrap the real argument using \c boost::ref() (The reason for
this is known as 'The forwarding problem'
+
+ \section senf_ppi_multiconnector_advanced Advanced usage: Managing your own container
+
+ If you need to use a completely different type of container, you can take over the container
+ management yourself. To do this, pass \c void as container type and change \c
+ connectorSetup() to take an \c std::auto_ptr as argument. \c connectorSetup() must ensure to
+ save this connector in some container or throw an exception
+ \code
+ class MyModule
+ : public senf::ppi::module::Module,
+ public senf::ppi::module::MultiConnectorMixin<
+ MyModule, senf::ppi::connector::ActiveInput<>, void, void >
+ {
+ SENF_PPI_MODULE(MyModule);
+ public:
+ // ...
+
+ private:
+ void connectorSetup(std::auto_ptr<ConnectorType> conn, unsigned p)
+ {
+ if (p>connectors_.size())
+ throw SomeErrorException();
+ route(*conn, output);
+ connectors_.insert(connectors_.begin()+p,conn);
+ }
+
+ boost::ptr_vector<ConnectorType> connectors_;
+ };
+ \endcode
+ \warning You must make absolutely sure the connector does not get deleted when returning
+ normally from \c connectorSetup(): The connector \e must be saved somewhere
+ successfully, otherwise your code will break.
+
*/
template <class Self_,
class ConnectorType_,
ContainerType_ connectors_;
};
+ template <class Self_,
+ class ConnectorType_>
+ class MultiConnectorMixin<Self_,ConnectorType_,void,void>
+ : private detail::MultiConnectorSelectBase<ConnectorType_>::type
+ {
+ public:
+ typedef ConnectorType_ ConnectorType;
+
+ private:
+
+#if 0
+ // For exposition only
+ // Other implementations with 0..SENF_MULTI_CONNECTOR_MAX_ARGS arguments accordingly
+
+ tempalte <class A1>
+ ConnectorType_ & newConnector(A1 const & a1);
+
+ // See above for an additional note regarding the boost::enable_if in the real
+ // implementation
+
+ template <class Source, class Target, class A1>
+ friend Source::ConnectorType & senf::ppi::connect(Source & source,
+ Target & target,
+ A1 const & a1);
+
+ template <class Source, class Target, class A1>
+ friend Target::ConnectorType & senf::ppi::connect(Source & source,
+ Target & target,
+ A1 const & a1);
+#endif
+
+ // Include 'MultiConnectorMixin member declaration' from MultiConnectorMixin.mpp
+# define BOOST_PP_ITERATION_PARAMS_1 (4, ( \
+ 0, \
+ SENF_MULTI_CONNECTOR_MAX_ARGS, \
+ SENF_ABSOLUTE_INCLUDE_PATH(PPI/MultiConnectorMixin.mpp), \
+ 1 ))
+# include BOOST_PP_ITERATE()
+ };
+
#endif
}}}