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// (C) Copyright Gennadiy Rozental 2005-2008.
// Use, modification, and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision: 49312 $
//
// Description :
// ***************************************************************************
#ifndef BOOST_TEST_CALLBACK_020505GER
#define BOOST_TEST_CALLBACK_020505GER
// Boost
#include <ndnboost/config.hpp>
#include <ndnboost/detail/workaround.hpp>
#include <ndnboost/shared_ptr.hpp>
#include <ndnboost/test/detail/suppress_warnings.hpp>
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(BOOST_INTEL, <= 700)
# define BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
#endif
//____________________________________________________________________________//
namespace ndnboost {
namespace unit_test {
namespace ut_detail {
struct unused {};
template<typename R>
struct invoker {
template<typename Functor>
R invoke( Functor& f ) { return f(); }
template<typename Functor, typename T1>
R invoke( Functor& f, T1 t1 ) { return f( t1 ); }
template<typename Functor, typename T1, typename T2>
R invoke( Functor& f, T1 t1, T2 t2 ) { return f( t1, t2 ); }
template<typename Functor, typename T1, typename T2, typename T3>
R invoke( Functor& f, T1 t1, T2 t2, T3 t3 ) { return f( t1, t2, t3 ); }
};
//____________________________________________________________________________//
template<>
struct invoker<unused> {
template<typename Functor>
unused invoke( Functor& f ) { f(); return unused(); }
template<typename Functor, typename T1>
unused invoke( Functor& f, T1 t1 ) { f( t1 ); return unused(); }
template<typename Functor, typename T1, typename T2>
unused invoke( Functor& f, T1 t1, T2 t2 ) { f( t1, t2 ); return unused(); }
template<typename Functor, typename T1, typename T2, typename T3>
unused invoke( Functor& f, T1 t1, T2 t2, T3 t3 ) { f( t1, t2, t3 ); return unused(); }
};
//____________________________________________________________________________//
} // namespace ut_detail
// ************************************************************************** //
// ************** unit_test::callback0 ************** //
// ************************************************************************** //
namespace ut_detail {
template<typename R>
struct callback0_impl {
virtual ~callback0_impl() {}
virtual R invoke() = 0;
};
//____________________________________________________________________________//
template<typename R, typename Functor>
struct callback0_impl_t : callback0_impl<R> {
// Constructor
explicit callback0_impl_t( Functor f ) : m_f( f ) {}
virtual R invoke() { return invoker<R>().invoke( m_f ); }
private:
// Data members
Functor m_f;
};
//____________________________________________________________________________//
} // namespace ut_detail
template<typename R = ut_detail::unused>
class callback0 {
public:
// Constructors
callback0() {}
#ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
callback0( callback0 const& rhs ) : m_impl( rhs.m_impl ) {}
#endif
template<typename Functor>
callback0( Functor f )
: m_impl( new ut_detail::callback0_impl_t<R,Functor>( f ) ) {}
void operator=( callback0 const& rhs ) { m_impl = rhs.m_impl; }
template<typename Functor>
void operator=( Functor f ) { m_impl.reset( new ut_detail::callback0_impl_t<R,Functor>( f ) ); }
R operator()() const { return m_impl->invoke(); }
bool operator!() const { return !m_impl; }
private:
// Data members
ndnboost::shared_ptr<ut_detail::callback0_impl<R> > m_impl;
};
// ************************************************************************** //
// ************** unit_test::callback1 ************** //
// ************************************************************************** //
namespace ut_detail {
template<typename R, typename T1>
struct callback1_impl {
virtual ~callback1_impl() {}
virtual R invoke( T1 t1 ) = 0;
};
//____________________________________________________________________________//
template<typename R, typename T1,typename Functor>
struct callback1_impl_t : callback1_impl<R,T1> {
// Constructor
explicit callback1_impl_t( Functor f ) : m_f( f ) {}
virtual R invoke( T1 t1 ) { return invoker<R>().invoke( m_f, t1 ); }
private:
// Data members
Functor m_f;
};
//____________________________________________________________________________//
} // namespace ut_detail
template<typename T1,typename R = ut_detail::unused>
class callback1 {
public:
// Constructors
callback1() {}
#ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
callback1( callback1 const& rhs ) : m_impl( rhs.m_impl ) {}
#endif
template<typename Functor>
callback1( Functor f )
: m_impl( new ut_detail::callback1_impl_t<R,T1,Functor>( f ) ) {}
void operator=( callback1 const& rhs ) { m_impl = rhs.m_impl; }
template<typename Functor>
void operator=( Functor f ) { m_impl.reset( new ut_detail::callback1_impl_t<R,T1,Functor>( f ) ); }
R operator()( T1 t1 ) const { return m_impl->invoke( t1 ); }
bool operator!() const { return !m_impl; }
private:
// Data members
ndnboost::shared_ptr<ut_detail::callback1_impl<R,T1> > m_impl;
};
// ************************************************************************** //
// ************** unit_test::callback2 ************** //
// ************************************************************************** //
namespace ut_detail {
template<typename R, typename T1,typename T2>
struct callback2_impl {
virtual ~callback2_impl() {}
virtual R invoke( T1 t1, T2 t2 ) = 0;
};
//____________________________________________________________________________//
template<typename R, typename T1, typename T2, typename Functor>
struct callback2_impl_t : callback2_impl<R,T1,T2> {
// Constructor
explicit callback2_impl_t( Functor f ) : m_f( f ) {}
virtual R invoke( T1 t1, T2 t2 ) { return invoker<R>().template invoke<Functor,T1,T2>( m_f, t1, t2 ); }
private:
// Data members
Functor m_f;
};
//____________________________________________________________________________//
} // namespace ut_detail
template<typename T1,typename T2, typename R = ut_detail::unused>
class callback2 {
public:
// Constructors
callback2() {}
#ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
callback2( callback2 const& rhs ) : m_impl( rhs.m_impl ) {}
#endif
template<typename Functor>
callback2( Functor f ) : m_impl( new ut_detail::callback2_impl_t<R,T1,T2,Functor>( f ) ) {}
void operator=( callback2 const& rhs ) { m_impl = rhs.m_impl; }
template<typename Functor>
void operator=( Functor f ) { m_impl.reset( new ut_detail::callback2_impl_t<R,T1,T2,Functor>( f ) ); }
R operator()( T1 t1, T2 t2 ) const { return m_impl->invoke( t1, t2 ); }
bool operator!() const { return !m_impl; }
private:
// Data members
ndnboost::shared_ptr<ut_detail::callback2_impl<R,T1,T2> > m_impl;
};
// ************************************************************************** //
// ************** unit_test::callback3 ************** //
// ************************************************************************** //
namespace ut_detail {
template<typename R, typename T1, typename T2, typename T3>
struct callback3_impl {
virtual ~callback3_impl() {}
virtual R invoke( T1 t1, T2 t2, T3 t3 ) = 0;
};
//____________________________________________________________________________//
template<typename R, typename T1, typename T2, typename T3, typename Functor>
struct callback3_impl_t : callback3_impl<R,T1,T2,T3> {
// Constructor
explicit callback3_impl_t( Functor f ) : m_f( f ) {}
virtual R invoke( T1 t1, T2 t2, T3 t3 ) { return invoker<R>().invoke( m_f, t1, t2, t3 ); }
private:
// Data members
Functor m_f;
};
//____________________________________________________________________________//
} // namespace ut_detail
template<typename T1,typename T2, typename T3, typename R = ut_detail::unused>
class callback3 {
public:
// Constructors
callback3() {}
#ifdef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
callback3( callback3 const& rhs ) : m_impl( rhs.m_impl ) {}
#endif
template<typename Functor>
callback3( Functor f )
: m_impl( new ut_detail::callback3_impl_t<R,T1,T2,T3,Functor>( f ) ) {}
void operator=( callback3 const& rhs ) { m_impl = rhs.m_impl; }
template<typename Functor>
void operator=( Functor f ) { m_impl.reset( new ut_detail::callback3_impl_t<R,T1,T2,T3,Functor>( f ) ); }
R operator()( T1 t1, T2 t2, T3 t3 ) const { return m_impl->invoke( t1, t2, t3 ); }
bool operator!() const { return !m_impl; }
private:
// Data members
ndnboost::shared_ptr<ut_detail::callback3_impl<R,T1,T2,T3> > m_impl;
};
} // namespace unit_test
} // namespace ndnboost
#undef BOOST_CALLBACK_EXPLICIT_COPY_CONSTRUCTOR
//____________________________________________________________________________//
#include <ndnboost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_CALLBACK_020505GER