/*============================================================================= | |
Copyright (c) 2001-2006 Joel de Guzman | |
Distributed under 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) | |
==============================================================================*/ | |
#if !defined(FUSION_VECTOR_07072005_1244) | |
#define FUSION_VECTOR_07072005_1244 | |
#include <boost/fusion/container/vector/vector_fwd.hpp> | |
#include <boost/fusion/container/vector/detail/vector_n_chooser.hpp> | |
#include <boost/fusion/sequence/intrinsic/begin.hpp> | |
#include <boost/mpl/at.hpp> | |
#include <boost/mpl/bool.hpp> | |
#include <boost/type_traits/add_reference.hpp> | |
#include <boost/type_traits/add_const.hpp> | |
#include <boost/type_traits/is_base_of.hpp> | |
#include <boost/detail/workaround.hpp> | |
namespace boost { namespace fusion | |
{ | |
struct void_; | |
struct fusion_sequence_tag; | |
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename T)> | |
struct vector | |
: sequence_base<vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, T)> > | |
{ | |
private: | |
typedef typename detail::vector_n_chooser< | |
BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, T)>::type | |
vector_n; | |
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)> | |
friend struct vector; | |
public: | |
typedef typename vector_n::types types; | |
typedef typename vector_n::fusion_tag fusion_tag; | |
typedef typename vector_n::tag tag; | |
typedef typename vector_n::size size; | |
typedef typename vector_n::category category; | |
typedef typename vector_n::is_view is_view; | |
vector() | |
: vec() {} | |
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)> | |
vector(vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, U)> const& rhs) | |
: vec(rhs.vec) {} | |
vector(vector const& rhs) | |
: vec(rhs.vec) {} | |
template <typename Sequence> | |
vector(Sequence const& rhs) | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1600) | |
: vec(ctor_helper(rhs, is_base_of<vector, Sequence>())) {} | |
#else | |
: vec(rhs) {} | |
#endif | |
// Expand a couple of forwarding constructors for arguments | |
// of type (T0), (T0, T1), (T0, T1, T2) etc. Example: | |
// | |
// vector( | |
// typename detail::call_param<T0>::type _0 | |
// , typename detail::call_param<T1>::type _1) | |
// : vec(_0, _1) {} | |
#include <boost/fusion/container/vector/detail/vector_forward_ctor.hpp> | |
template <BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, typename U)> | |
vector& | |
operator=(vector<BOOST_PP_ENUM_PARAMS(FUSION_MAX_VECTOR_SIZE, U)> const& rhs) | |
{ | |
vec = rhs.vec; | |
return *this; | |
} | |
template <typename T> | |
vector& | |
operator=(T const& rhs) | |
{ | |
vec = rhs; | |
return *this; | |
} | |
template <int N> | |
typename add_reference< | |
typename mpl::at_c<types, N>::type | |
>::type | |
at_impl(mpl::int_<N> index) | |
{ | |
return vec.at_impl(index); | |
} | |
template <int N> | |
typename add_reference< | |
typename add_const< | |
typename mpl::at_c<types, N>::type | |
>::type | |
>::type | |
at_impl(mpl::int_<N> index) const | |
{ | |
return vec.at_impl(index); | |
} | |
template <typename I> | |
typename add_reference< | |
typename mpl::at<types, I>::type | |
>::type | |
at_impl(I /*index*/) | |
{ | |
return vec.at_impl(mpl::int_<I::value>()); | |
} | |
template<typename I> | |
typename add_reference< | |
typename add_const< | |
typename mpl::at<types, I>::type | |
>::type | |
>::type | |
at_impl(I /*index*/) const | |
{ | |
return vec.at_impl(mpl::int_<I::value>()); | |
} | |
private: | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1600) | |
static vector_n const& | |
ctor_helper(vector const& rhs, mpl::true_) | |
{ | |
return rhs.vec; | |
} | |
template <typename T> | |
static T const& | |
ctor_helper(T const& rhs, mpl::false_) | |
{ | |
return rhs; | |
} | |
#endif | |
vector_n vec; | |
}; | |
}} | |
#endif |