Chris@16: //  (C) Copyright Gennadiy Rozental 2005-2008.
Chris@16: //  Use, modification, and distribution are subject to the 
Chris@16: //  Boost Software License, Version 1.0. (See accompanying file 
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : 
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_TEST_CALLBACK_020505GER
Chris@16: #define BOOST_TEST_CALLBACK_020505GER
Chris@16: 
Chris@16: // Boost
Chris@16: #include <boost/config.hpp>
Chris@16: #include <boost/detail/workaround.hpp>
Chris@16: #include <boost/shared_ptr.hpp>
Chris@16: 
Chris@16: #include <boost/test/detail/suppress_warnings.hpp>
Chris@16: 
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(BOOST_INTEL, <= 700)
Chris@16: #  define BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16: #endif
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace unit_test {
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: struct unused {};
Chris@16: 
Chris@16: template<typename R>
Chris@16: struct invoker {
Chris@16:     template<typename Functor>
Chris@16:     R       invoke( Functor& f )                        { return f(); }
Chris@16:     template<typename Functor, typename T1>
Chris@16:     R       invoke( Functor& f, T1 t1 )                 { return f( t1 ); }
Chris@16:     template<typename Functor, typename T1, typename T2>
Chris@16:     R       invoke( Functor& f, T1 t1, T2 t2 )          { return f( t1, t2 ); }
Chris@16:     template<typename Functor, typename T1, typename T2, typename T3>
Chris@16:     R       invoke( Functor& f, T1 t1, T2 t2, T3 t3 )   { return f( t1, t2, t3 ); }
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<>
Chris@16: struct invoker<unused> {
Chris@16:     template<typename Functor>
Chris@16:     unused  invoke( Functor& f )                        { f(); return unused(); }
Chris@16:     template<typename Functor, typename T1>
Chris@16:     unused  invoke( Functor& f, T1 t1 )                 { f( t1 ); return unused(); }
Chris@16:     template<typename Functor, typename T1, typename T2>
Chris@16:     unused  invoke( Functor& f, T1 t1, T2 t2 )          { f( t1, t2 ); return unused(); }
Chris@16:     template<typename Functor, typename T1, typename T2, typename T3>
Chris@16:     unused  invoke( Functor& f, T1 t1, T2 t2, T3 t3 )   { f( t1, t2, t3 ); return unused(); }
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************             unit_test::callback0             ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: template<typename R>
Chris@16: struct callback0_impl {
Chris@16:     virtual ~callback0_impl() {}
Chris@16: 
Chris@16:     virtual R invoke() = 0;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename R, typename Functor>
Chris@16: struct callback0_impl_t : callback0_impl<R> {
Chris@16:     // Constructor
Chris@16:     explicit callback0_impl_t( Functor f ) : m_f( f ) {}
Chris@16: 
Chris@16:     virtual R invoke() { return invoker<R>().invoke( m_f ); }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     Functor m_f;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: template<typename R = ut_detail::unused>
Chris@16: class callback0 {
Chris@16: public:
Chris@16:     // Constructors
Chris@16:     callback0() {}
Chris@16: #ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16:     callback0( callback0 const& rhs ) : m_impl( rhs.m_impl ) {}
Chris@16: #endif
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     callback0( Functor f )
Chris@16:     : m_impl( new ut_detail::callback0_impl_t<R,Functor>( f ) ) {}
Chris@16:     
Chris@16:     void        operator=( callback0 const& rhs ) { m_impl = rhs.m_impl; }
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     void        operator=( Functor f ) { m_impl.reset( new ut_detail::callback0_impl_t<R,Functor>( f ) );  }
Chris@16: 
Chris@16:     R           operator()() const { return m_impl->invoke(); }
Chris@16: 
Chris@16:     bool        operator!() const { return !m_impl; }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     boost::shared_ptr<ut_detail::callback0_impl<R> > m_impl;
Chris@16: };
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************             unit_test::callback1             ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: template<typename R, typename T1>
Chris@16: struct callback1_impl {
Chris@16:     virtual ~callback1_impl() {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1 ) = 0;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename R, typename T1,typename Functor>
Chris@16: struct callback1_impl_t : callback1_impl<R,T1> {
Chris@16:     // Constructor
Chris@16:     explicit callback1_impl_t( Functor f ) : m_f( f ) {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1 ) { return invoker<R>().invoke( m_f, t1 ); }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     Functor m_f;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: template<typename T1,typename R = ut_detail::unused>
Chris@16: class callback1 {
Chris@16: public:
Chris@16:     // Constructors
Chris@16:     callback1() {}
Chris@16: #ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16:     callback1( callback1 const& rhs ) : m_impl( rhs.m_impl ) {}
Chris@16: #endif
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     callback1( Functor f )
Chris@16:     : m_impl( new ut_detail::callback1_impl_t<R,T1,Functor>( f ) ) {}
Chris@16: 
Chris@16:     void        operator=( callback1 const& rhs ) { m_impl = rhs.m_impl; }
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     void        operator=( Functor f ) { m_impl.reset( new ut_detail::callback1_impl_t<R,T1,Functor>( f ) );  }
Chris@16: 
Chris@16:     R           operator()( T1 t1 ) const { return m_impl->invoke( t1 ); }
Chris@16: 
Chris@16:     bool        operator!() const { return !m_impl; }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     boost::shared_ptr<ut_detail::callback1_impl<R,T1> > m_impl;
Chris@16: };
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************             unit_test::callback2             ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: template<typename R, typename T1,typename T2>
Chris@16: struct callback2_impl {
Chris@16:     virtual ~callback2_impl() {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1, T2 t2 ) = 0;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename R, typename T1, typename T2, typename Functor>
Chris@16: struct callback2_impl_t : callback2_impl<R,T1,T2> {
Chris@16:     // Constructor
Chris@16:     explicit callback2_impl_t( Functor f ) : m_f( f ) {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1, T2 t2 ) { return invoker<R>().template invoke<Functor,T1,T2>( m_f, t1, t2 ); }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     Functor m_f;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: template<typename T1,typename T2, typename R = ut_detail::unused>
Chris@16: class callback2 {
Chris@16: public:
Chris@16:     // Constructors
Chris@16:     callback2() {}
Chris@16: #ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16:     callback2( callback2 const& rhs ) : m_impl( rhs.m_impl ) {}
Chris@16: #endif
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:                 callback2( Functor f ) : m_impl( new ut_detail::callback2_impl_t<R,T1,T2,Functor>( f ) ) {}
Chris@16: 
Chris@16:     void        operator=( callback2 const& rhs ) { m_impl = rhs.m_impl; }
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     void        operator=( Functor f ) { m_impl.reset( new ut_detail::callback2_impl_t<R,T1,T2,Functor>( f ) );  }
Chris@16: 
Chris@16:     R           operator()( T1 t1, T2 t2 ) const { return m_impl->invoke( t1, t2 ); }
Chris@16: 
Chris@16:     bool        operator!() const { return !m_impl; }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     boost::shared_ptr<ut_detail::callback2_impl<R,T1,T2> > m_impl;
Chris@16: };
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************             unit_test::callback3             ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: template<typename R, typename T1, typename T2, typename T3>
Chris@16: struct callback3_impl {
Chris@16:     virtual ~callback3_impl() {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1, T2 t2, T3 t3 ) = 0;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename R, typename T1, typename T2, typename T3, typename Functor>
Chris@16: struct callback3_impl_t : callback3_impl<R,T1,T2,T3> {
Chris@16:     // Constructor
Chris@16:     explicit callback3_impl_t( Functor f ) : m_f( f ) {}
Chris@16: 
Chris@16:     virtual R invoke( T1 t1, T2 t2, T3 t3 ) { return invoker<R>().invoke( m_f, t1, t2, t3 ); }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     Functor m_f;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: template<typename T1,typename T2, typename T3, typename R = ut_detail::unused>
Chris@16: class callback3 {
Chris@16: public:
Chris@16:     // Constructors
Chris@16:     callback3() {}
Chris@16: #ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16:     callback3( callback3 const& rhs ) : m_impl( rhs.m_impl ) {}
Chris@16: #endif
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     callback3( Functor f )
Chris@16:     : m_impl( new ut_detail::callback3_impl_t<R,T1,T2,T3,Functor>( f ) ) {}
Chris@16: 
Chris@16:     void        operator=( callback3 const& rhs ) { m_impl = rhs.m_impl; }
Chris@16: 
Chris@16:     template<typename Functor>
Chris@16:     void        operator=( Functor f ) { m_impl.reset( new ut_detail::callback3_impl_t<R,T1,T2,T3,Functor>( f ) );  }
Chris@16: 
Chris@16:     R           operator()( T1 t1, T2 t2, T3 t3 ) const { return m_impl->invoke( t1, t2, t3 ); }
Chris@16: 
Chris@16:     bool        operator!() const { return !m_impl; }
Chris@16: 
Chris@16: private:
Chris@16:     // Data members
Chris@16:     boost::shared_ptr<ut_detail::callback3_impl<R,T1,T2,T3> > m_impl;
Chris@16: };
Chris@16: 
Chris@16: } // namespace unit_test
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #undef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #include <boost/test/detail/enable_warnings.hpp>
Chris@16: 
Chris@16: #endif // BOOST_TEST_CALLBACK_020505GER