projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | |
| 2 | #ifndef BOOST_MPL_VECTOR_AUX_ITEM_HPP_INCLUDED | |
| 3 | #define BOOST_MPL_VECTOR_AUX_ITEM_HPP_INCLUDED | |
| 4 | ||
| 5 | // Copyright Aleksey Gurtovoy 2000-2004 | |
| 6 | // | |
| 7 | // Distributed under the Boost Software License, Version 1.0. | |
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 10 | // | |
| 11 | // See http://www.boost.org/libs/mpl for documentation. | |
| 12 | ||
| 13 | // $Id$ | |
| 14 | // $Date$ | |
| 15 | // $Revision$ | |
| 16 | ||
| 17 | #include <boost/mpl/long.hpp> | |
| 18 | #include <boost/mpl/void.hpp> | |
| 19 | #include <boost/mpl/next_prior.hpp> | |
| 20 | #include <boost/mpl/aux_/type_wrapper.hpp> | |
| 21 | #include <boost/mpl/aux_/config/typeof.hpp> | |
| 22 | #include <boost/mpl/aux_/config/ctps.hpp> | |
| 23 | ||
| 24 | namespace boost { namespace mpl { | |
| 25 | ||
| 26 | #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES) | |
| 27 | ||
| 28 | template< | |
| 29 | typename T | |
| 30 | , typename Base | |
| 31 | , int at_front = 0 | |
| 32 | > | |
| 33 | struct v_item | |
| 34 | : Base | |
| 35 | { | |
| 36 | typedef typename Base::upper_bound_ index_; | |
| 37 | typedef typename next<index_>::type upper_bound_; | |
| 38 | typedef typename next<typename Base::size>::type size; | |
| 39 | typedef Base base; | |
| 40 | typedef v_item type; | |
| 41 | ||
| 42 | // agurt 10/sep/04: MWCW <= 9.3 workaround here and below; the compiler | |
| 43 | // breaks if using declaration comes _before_ the new overload | |
| 44 | static aux::type_wrapper<T> item_(index_); | |
| 45 | using Base::item_; | |
| 46 | }; | |
| 47 | ||
| 48 | template< | |
| 49 | typename T | |
| 50 | , typename Base | |
| 51 | > | |
| 52 | struct v_item<T,Base,1> | |
| 53 | : Base | |
| 54 | { | |
| 55 | typedef typename prior<typename Base::lower_bound_>::type index_; | |
| 56 | typedef index_ lower_bound_; | |
| 57 | typedef typename next<typename Base::size>::type size; | |
| 58 | typedef Base base; | |
| 59 | typedef v_item type; | |
| 60 | ||
| 61 | static aux::type_wrapper<T> item_(index_); | |
| 62 | using Base::item_; | |
| 63 | }; | |
| 64 | ||
| 65 | // "erasure" item | |
| 66 | template< | |
| 67 | typename Base | |
| 68 | , int at_front | |
| 69 | > | |
| 70 | struct v_mask | |
| 71 | : Base | |
| 72 | { | |
| 73 | typedef typename prior<typename Base::upper_bound_>::type index_; | |
| 74 | typedef index_ upper_bound_; | |
| 75 | typedef typename prior<typename Base::size>::type size; | |
| 76 | typedef Base base; | |
| 77 | typedef v_mask type; | |
| 78 | ||
| 79 | static aux::type_wrapper<void_> item_(index_); | |
| 80 | using Base::item_; | |
| 81 | }; | |
| 82 | ||
| 83 | template< | |
| 84 | typename Base | |
| 85 | > | |
| 86 | struct v_mask<Base,1> | |
| 87 | : Base | |
| 88 | { | |
| 89 | typedef typename Base::lower_bound_ index_; | |
| 90 | typedef typename next<index_>::type lower_bound_; | |
| 91 | typedef typename prior<typename Base::size>::type size; | |
| 92 | typedef Base base; | |
| 93 | typedef v_mask type; | |
| 94 | ||
| 95 | static aux::type_wrapper<void_> item_(index_); | |
| 96 | using Base::item_; | |
| 97 | }; | |
| 98 | ||
| 99 | #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES | |
| 100 | ||
| 101 | }} | |
| 102 | ||
| 103 | #endif // BOOST_MPL_VECTOR_AUX_ITEM_HPP_INCLUDED |