1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2014-2014
//
// 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)
//
// See http://www.boost.org/libs/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP
#define BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/intrusive/link_mode.hpp>
#include <boost/intrusive/detail/mpl.hpp>
#include <boost/intrusive/detail/ebo_functor_holder.hpp>
#include <boost/intrusive/detail/algo_type.hpp>
#include <boost/intrusive/detail/assert.hpp>
namespace boost {
namespace intrusive {
namespace detail {
template<class F, class ValueTraits, algo_types AlgoType, bool IsConst = true>
struct node_cloner
//Use public inheritance to avoid MSVC bugs with closures
: public ebo_functor_holder<F>
{
typedef ValueTraits value_traits;
typedef typename value_traits::node_traits node_traits;
typedef typename node_traits::node_ptr node_ptr;
typedef ebo_functor_holder<F> base_t;
typedef typename get_algo< AlgoType
, node_traits>::type node_algorithms;
static const bool safemode_or_autounlink =
is_safe_autounlink<value_traits::link_mode>::value;
typedef typename value_traits::value_type value_type;
typedef typename value_traits::pointer pointer;
typedef typename value_traits::const_pointer const_pointer;
typedef typename node_traits::node node;
typedef typename value_traits::const_node_ptr const_node_ptr;
typedef typename pointer_traits<pointer>::reference reference;
typedef typename pointer_traits
<const_pointer>::reference const_reference;
typedef typename if_c<IsConst, const_reference, reference>::type reference_type;
node_cloner(F f, const ValueTraits *traits)
: base_t(f), traits_(traits)
{}
// tree-based containers use this method, which is proxy-reference friendly
BOOST_INTRUSIVE_FORCEINLINE node_ptr operator()(const node_ptr & p)
{
reference_type v = *traits_->to_value_ptr(p);
node_ptr n = traits_->to_node_ptr(*base_t::get()(v));
//Cloned node must be in default mode if the linking mode requires it
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(n));
return n;
}
const ValueTraits * const traits_;
};
template<class F, class ValueTraits, algo_types AlgoType>
struct node_disposer
//Use public inheritance to avoid MSVC bugs with closures
: public ebo_functor_holder<F>
{
typedef ValueTraits value_traits;
typedef typename value_traits::node_traits node_traits;
typedef typename node_traits::node_ptr node_ptr;
typedef ebo_functor_holder<F> base_t;
typedef typename get_algo< AlgoType
, node_traits>::type node_algorithms;
static const bool safemode_or_autounlink =
is_safe_autounlink<value_traits::link_mode>::value;
node_disposer(F f, const ValueTraits *cont)
: base_t(f), traits_(cont)
{}
BOOST_INTRUSIVE_FORCEINLINE void operator()(const node_ptr & p)
{
if(safemode_or_autounlink)
node_algorithms::init(p);
base_t::get()(traits_->to_value_ptr(p));
}
const ValueTraits * const traits_;
};
} //namespace detail{
} //namespace intrusive{
} //namespace boost{
#endif //BOOST_INTRUSIVE_DETAIL_NODE_CLONER_DISPOSER_HPP
|
