// Function objects that require heap allocation
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::false_)
{
typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
#if defined(BOOST_NO_CXX11_ALLOCATOR)
typedef typename Allocator::template rebind<functor_wrapper_type>::other
wrapper_allocator_type;
typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type;
#else
using wrapper_allocator_type = typename std::allocator_traits<Allocator>::template rebind_alloc<functor_wrapper_type>;
using wrapper_allocator_pointer_type = typename std::allocator_traits<wrapper_allocator_type>::pointer;
#endif
if (op == clone_functor_tag) {
// Clone the functor
// GCC 2.95.3 gets the CV qualifiers wrong here, so we
// can't do the static_cast that we should do.
const functor_wrapper_type* f =
static_cast<const functor_wrapper_type*>(in_buffer.members.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f));
wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
#if defined(BOOST_NO_CXX11_ALLOCATOR)
wrapper_allocator.construct(copy, *f);
#else
std::allocator_traits<wrapper_allocator_type>::construct(wrapper_allocator, copy, *f);
#endif
// Get back to the original pointer type
functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
out_buffer.members.obj_ptr = new_f;
} else if (op == move_functor_tag) {
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
in_buffer.members.obj_ptr = 0;
} else if (op == destroy_functor_tag) {
/* Cast from the void pointer to the functor_wrapper_type */
functor_wrapper_type* victim =
static_cast<functor_wrapper_type*>(in_buffer.members.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim));
#if defined(BOOST_NO_CXX11_ALLOCATOR)
wrapper_allocator.destroy(victim);
#else
std::allocator_traits<wrapper_allocator_type>::destroy(wrapper_allocator, victim);
#endif
wrapper_allocator.deallocate(victim,1);
out_buffer.members.obj_ptr = 0;
} else if (op == check_functor_type_tag) {
if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
else
out_buffer.members.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
}
}
// Function objects that require heap allocation
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::false_)
{
typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
typedef typename Allocator::template rebind<functor_wrapper_type>::other
wrapper_allocator_type;
typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type;
if (op == clone_functor_tag) {
// Clone the functor
// GCC 2.95.3 gets the CV qualifiers wrong here, so we
// can't do the static_cast that we should do.
const functor_wrapper_type* f =
static_cast<const functor_wrapper_type*>(in_buffer.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f));
wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
wrapper_allocator.construct(copy, *f);
// Get back to the original pointer type
functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
out_buffer.obj_ptr = new_f;
} else if (op == move_functor_tag) {
out_buffer.obj_ptr = in_buffer.obj_ptr;
in_buffer.obj_ptr = 0;
} else if (op == destroy_functor_tag) {
/* Cast from the void pointer to the functor_wrapper_type */
functor_wrapper_type* victim =
static_cast<functor_wrapper_type*>(in_buffer.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim));
wrapper_allocator.destroy(victim);
wrapper_allocator.deallocate(victim,1);
out_buffer.obj_ptr = 0;
} else if (op == check_functor_type_tag) {
const detail::sp_typeinfo& check_type
= *out_buffer.type.type;
if (NDNBOOST_FUNCTION_COMPARE_TYPE_ID(check_type, NDNBOOST_SP_TYPEID(Functor)))
out_buffer.obj_ptr = in_buffer.obj_ptr;
else
out_buffer.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.type.type = &NDNBOOST_SP_TYPEID(Functor);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
}
}
