299 lines
10 KiB
Plaintext
299 lines
10 KiB
Plaintext
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (C) Copyright Ion Gaztanaga 2005-2013. 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/container for documentation.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef BOOST_CONTAINER_DETAIL_MULTIALLOCATION_CHAIN_HPP
|
|
#define BOOST_CONTAINER_DETAIL_MULTIALLOCATION_CHAIN_HPP
|
|
|
|
#ifndef BOOST_CONFIG_HPP
|
|
# include <boost/config.hpp>
|
|
#endif
|
|
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
|
# pragma once
|
|
#endif
|
|
|
|
#include <boost/container/detail/config_begin.hpp>
|
|
#include <boost/container/detail/workaround.hpp>
|
|
// container
|
|
#include <boost/container/container_fwd.hpp>
|
|
// container/detail
|
|
#include <boost/container/detail/to_raw_pointer.hpp>
|
|
#include <boost/container/detail/transform_iterator.hpp>
|
|
#include <boost/container/detail/type_traits.hpp>
|
|
// intrusive
|
|
#include <boost/intrusive/slist.hpp>
|
|
#include <boost/intrusive/pointer_traits.hpp>
|
|
// move
|
|
#include <boost/move/utility_core.hpp>
|
|
|
|
namespace boost {
|
|
namespace container {
|
|
namespace container_detail {
|
|
|
|
template<class VoidPointer>
|
|
class basic_multiallocation_chain
|
|
{
|
|
private:
|
|
typedef bi::slist_base_hook<bi::void_pointer<VoidPointer>
|
|
,bi::link_mode<bi::normal_link>
|
|
> node;
|
|
|
|
typedef typename boost::intrusive::pointer_traits
|
|
<VoidPointer>::template rebind_pointer<char>::type char_ptr;
|
|
typedef typename boost::intrusive::
|
|
pointer_traits<char_ptr>::difference_type difference_type;
|
|
|
|
typedef bi::slist< node
|
|
, bi::linear<true>
|
|
, bi::cache_last<true>
|
|
, bi::size_type<typename boost::container::container_detail::make_unsigned<difference_type>::type>
|
|
> slist_impl_t;
|
|
slist_impl_t slist_impl_;
|
|
|
|
typedef typename boost::intrusive::pointer_traits
|
|
<VoidPointer>::template rebind_pointer<node>::type node_ptr;
|
|
typedef typename boost::intrusive::
|
|
pointer_traits<node_ptr> node_ptr_traits;
|
|
|
|
static node & to_node(const VoidPointer &p)
|
|
{ return *static_cast<node*>(static_cast<void*>(container_detail::to_raw_pointer(p))); }
|
|
|
|
static VoidPointer from_node(node &n)
|
|
{ return node_ptr_traits::pointer_to(n); }
|
|
|
|
static node_ptr to_node_ptr(const VoidPointer &p)
|
|
{ return node_ptr_traits::static_cast_from(p); }
|
|
|
|
BOOST_MOVABLE_BUT_NOT_COPYABLE(basic_multiallocation_chain)
|
|
|
|
public:
|
|
|
|
typedef VoidPointer void_pointer;
|
|
typedef typename slist_impl_t::iterator iterator;
|
|
typedef typename slist_impl_t::size_type size_type;
|
|
|
|
basic_multiallocation_chain()
|
|
: slist_impl_()
|
|
{}
|
|
|
|
basic_multiallocation_chain(const void_pointer &b, const void_pointer &before_e, size_type n)
|
|
: slist_impl_(to_node_ptr(b), to_node_ptr(before_e), n)
|
|
{}
|
|
|
|
basic_multiallocation_chain(BOOST_RV_REF(basic_multiallocation_chain) other)
|
|
: slist_impl_(::boost::move(other.slist_impl_))
|
|
{}
|
|
|
|
basic_multiallocation_chain& operator=(BOOST_RV_REF(basic_multiallocation_chain) other)
|
|
{
|
|
slist_impl_ = ::boost::move(other.slist_impl_);
|
|
return *this;
|
|
}
|
|
|
|
bool empty() const
|
|
{ return slist_impl_.empty(); }
|
|
|
|
size_type size() const
|
|
{ return slist_impl_.size(); }
|
|
|
|
iterator before_begin()
|
|
{ return slist_impl_.before_begin(); }
|
|
|
|
iterator begin()
|
|
{ return slist_impl_.begin(); }
|
|
|
|
iterator end()
|
|
{ return slist_impl_.end(); }
|
|
|
|
iterator last()
|
|
{ return slist_impl_.last(); }
|
|
|
|
void clear()
|
|
{ slist_impl_.clear(); }
|
|
|
|
iterator insert_after(iterator it, void_pointer m)
|
|
{ return slist_impl_.insert_after(it, to_node(m)); }
|
|
|
|
void push_front(const void_pointer &m)
|
|
{ return slist_impl_.push_front(to_node(m)); }
|
|
|
|
void push_back(const void_pointer &m)
|
|
{ return slist_impl_.push_back(to_node(m)); }
|
|
|
|
void_pointer pop_front()
|
|
{
|
|
node & n = slist_impl_.front();
|
|
void_pointer ret = from_node(n);
|
|
slist_impl_.pop_front();
|
|
return ret;
|
|
}
|
|
|
|
void splice_after(iterator after_this, basic_multiallocation_chain &x, iterator before_b, iterator before_e, size_type n)
|
|
{ slist_impl_.splice_after(after_this, x.slist_impl_, before_b, before_e, n); }
|
|
|
|
void splice_after(iterator after_this, basic_multiallocation_chain &x)
|
|
{ slist_impl_.splice_after(after_this, x.slist_impl_); }
|
|
|
|
void erase_after(iterator before_b, iterator e, size_type n)
|
|
{ slist_impl_.erase_after(before_b, e, n); }
|
|
|
|
void_pointer incorporate_after(iterator after_this, const void_pointer &b, size_type unit_bytes, size_type num_units)
|
|
{
|
|
typedef typename boost::intrusive::pointer_traits<char_ptr> char_pointer_traits;
|
|
char_ptr elem = char_pointer_traits::static_cast_from(b);
|
|
if(num_units){
|
|
char_ptr prev_elem = elem;
|
|
elem += unit_bytes;
|
|
for(size_type i = 0; i != num_units-1; ++i, elem += unit_bytes){
|
|
::new (container_detail::to_raw_pointer(prev_elem)) void_pointer(elem);
|
|
prev_elem = elem;
|
|
}
|
|
slist_impl_.incorporate_after(after_this, to_node_ptr(b), to_node_ptr(prev_elem), num_units);
|
|
}
|
|
return elem;
|
|
}
|
|
|
|
void incorporate_after(iterator after_this, void_pointer b, void_pointer before_e, size_type n)
|
|
{ slist_impl_.incorporate_after(after_this, to_node_ptr(b), to_node_ptr(before_e), n); }
|
|
|
|
void swap(basic_multiallocation_chain &x)
|
|
{ slist_impl_.swap(x.slist_impl_); }
|
|
|
|
static iterator iterator_to(const void_pointer &p)
|
|
{ return slist_impl_t::s_iterator_to(to_node(p)); }
|
|
|
|
std::pair<void_pointer, void_pointer> extract_data()
|
|
{
|
|
std::pair<void_pointer, void_pointer> ret
|
|
(slist_impl_.begin().operator->()
|
|
,slist_impl_.last().operator->());
|
|
slist_impl_.clear();
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
template<class T>
|
|
struct cast_functor
|
|
{
|
|
typedef typename container_detail::add_reference<T>::type result_type;
|
|
template<class U>
|
|
result_type operator()(U &ptr) const
|
|
{ return *static_cast<T*>(static_cast<void*>(&ptr)); }
|
|
};
|
|
|
|
template<class MultiallocationChain, class T>
|
|
class transform_multiallocation_chain
|
|
: public MultiallocationChain
|
|
{
|
|
private:
|
|
BOOST_MOVABLE_BUT_NOT_COPYABLE(transform_multiallocation_chain)
|
|
//transform_multiallocation_chain(const transform_multiallocation_chain &);
|
|
//transform_multiallocation_chain & operator=(const transform_multiallocation_chain &);
|
|
|
|
typedef typename MultiallocationChain::void_pointer void_pointer;
|
|
typedef typename boost::intrusive::pointer_traits
|
|
<void_pointer> void_pointer_traits;
|
|
typedef typename void_pointer_traits::template
|
|
rebind_pointer<T>::type pointer;
|
|
typedef typename boost::intrusive::pointer_traits
|
|
<pointer> pointer_traits;
|
|
|
|
static pointer cast(const void_pointer &p)
|
|
{ return pointer_traits::static_cast_from(p); }
|
|
|
|
public:
|
|
typedef transform_iterator
|
|
< typename MultiallocationChain::iterator
|
|
, container_detail::cast_functor <T> > iterator;
|
|
typedef typename MultiallocationChain::size_type size_type;
|
|
|
|
transform_multiallocation_chain()
|
|
: MultiallocationChain()
|
|
{}
|
|
|
|
transform_multiallocation_chain(BOOST_RV_REF(transform_multiallocation_chain) other)
|
|
: MultiallocationChain(::boost::move(static_cast<MultiallocationChain&>(other)))
|
|
{}
|
|
|
|
transform_multiallocation_chain(BOOST_RV_REF(MultiallocationChain) other)
|
|
: MultiallocationChain(::boost::move(static_cast<MultiallocationChain&>(other)))
|
|
{}
|
|
|
|
transform_multiallocation_chain& operator=(BOOST_RV_REF(transform_multiallocation_chain) other)
|
|
{
|
|
return static_cast<MultiallocationChain&>
|
|
(this->MultiallocationChain::operator=(::boost::move(static_cast<MultiallocationChain&>(other))));
|
|
}
|
|
/*
|
|
void push_front(const pointer &mem)
|
|
{ holder_.push_front(mem); }
|
|
|
|
void push_back(const pointer &mem)
|
|
{ return holder_.push_back(mem); }
|
|
|
|
void swap(transform_multiallocation_chain &other_chain)
|
|
{ holder_.swap(other_chain.holder_); }
|
|
|
|
void splice_after(iterator after_this, transform_multiallocation_chain &x, iterator before_b, iterator before_e, size_type n)
|
|
{ holder_.splice_after(after_this.base(), x.holder_, before_b.base(), before_e.base(), n); }
|
|
|
|
void incorporate_after(iterator after_this, pointer b, pointer before_e, size_type n)
|
|
{ holder_.incorporate_after(after_this.base(), b, before_e, n); }
|
|
*/
|
|
pointer pop_front()
|
|
{ return cast(this->MultiallocationChain::pop_front()); }
|
|
/*
|
|
bool empty() const
|
|
{ return holder_.empty(); }
|
|
|
|
iterator before_begin()
|
|
{ return iterator(holder_.before_begin()); }
|
|
*/
|
|
iterator begin()
|
|
{ return iterator(this->MultiallocationChain::begin()); }
|
|
/*
|
|
iterator end()
|
|
{ return iterator(holder_.end()); }
|
|
|
|
iterator last()
|
|
{ return iterator(holder_.last()); }
|
|
|
|
size_type size() const
|
|
{ return holder_.size(); }
|
|
|
|
void clear()
|
|
{ holder_.clear(); }
|
|
*/
|
|
iterator insert_after(iterator it, pointer m)
|
|
{ return iterator(this->MultiallocationChain::insert_after(it.base(), m)); }
|
|
|
|
static iterator iterator_to(const pointer &p)
|
|
{ return iterator(MultiallocationChain::iterator_to(p)); }
|
|
|
|
std::pair<pointer, pointer> extract_data()
|
|
{
|
|
std::pair<void_pointer, void_pointer> data(this->MultiallocationChain::extract_data());
|
|
return std::pair<pointer, pointer>(cast(data.first), cast(data.second));
|
|
}
|
|
/*
|
|
MultiallocationChain &extract_multiallocation_chain()
|
|
{ return holder_; }*/
|
|
};
|
|
|
|
}}}
|
|
|
|
// namespace container_detail {
|
|
// namespace container {
|
|
// namespace boost {
|
|
|
|
#include <boost/container/detail/config_end.hpp>
|
|
|
|
#endif //BOOST_CONTAINER_DETAIL_MULTIALLOCATION_CHAIN_HPP
|