| Alexander Afanasyev | 30cb117 | 2012-07-06 10:47:39 -0700 | [diff] [blame] | 1 | /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
| 2 | /* |
| 3 | * Copyright (c) 2012 University of California, Los Angeles |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation; |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| 19 | */ |
| 20 | |
| 21 | #ifndef FUNCTOR_HOOK_H_ |
| 22 | #define FUNCTOR_HOOK_H_ |
| 23 | |
| 24 | #include <boost/intrusive/parent_from_member.hpp> |
| 25 | |
| 26 | namespace ndnSIM |
| 27 | { |
| 28 | namespace detail |
| 29 | { |
| 30 | |
| 31 | template<class BaseHook, class ValueType, int N> |
| 32 | struct FunctorHook |
| 33 | { |
| 34 | typedef typename BaseHook::template index<N>::type hook_type; |
| 35 | typedef hook_type* hook_ptr; |
| 36 | typedef const hook_type* const_hook_ptr; |
| 37 | |
| 38 | typedef ValueType value_type; |
| 39 | typedef value_type* pointer; |
| 40 | typedef const value_type* const_pointer; |
| 41 | |
| 42 | //Required static functions |
| 43 | static hook_ptr to_hook_ptr (value_type &value) |
| 44 | { return &value.policy_hook_.template get<N> (); } |
| 45 | |
| 46 | static const_hook_ptr to_hook_ptr(const value_type &value) |
| 47 | { return &value.policy_hook_.template get<N> (); } |
| 48 | |
| 49 | static pointer to_value_ptr(hook_ptr n) |
| 50 | { |
| 51 | return |
| 52 | boost::intrusive::get_parent_from_member<value_type> |
| 53 | (static_cast<BaseHook*> (boost::intrusive::get_parent_from_member< wrap<hook_type> >(n, &wrap<hook_type>::value_)), |
| 54 | &value_type::policy_hook_); |
| 55 | } |
| 56 | static const_pointer to_value_ptr(const_hook_ptr n) |
| 57 | { |
| 58 | return |
| 59 | boost::intrusive::get_parent_from_member<value_type> |
| 60 | (static_cast<const BaseHook*> (boost::intrusive::get_parent_from_member< wrap<hook_type> >(n, &wrap<hook_type>::value_)), |
| 61 | &value_type::policy_hook_); |
| 62 | } |
| 63 | }; |
| 64 | |
| 65 | } // detail |
| 66 | } // ndnSIM |
| 67 | |
| 68 | #endif // FUNCTOR_HOOK_H_ |