429 lines
12 KiB
C++
429 lines
12 KiB
C++
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (C) Copyright Ion Gaztanaga 2011-2013. 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.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
#include <boost/container/detail/config_begin.hpp>
|
|
#include <memory>
|
|
|
|
#include <boost/move/utility_core.hpp>
|
|
#include <boost/container/vector.hpp>
|
|
#include <boost/container/deque.hpp>
|
|
#include <boost/container/list.hpp>
|
|
#include <boost/container/slist.hpp>
|
|
#include <boost/container/stable_vector.hpp>
|
|
#include <boost/container/small_vector.hpp>
|
|
#include <boost/container/flat_map.hpp>
|
|
#include <boost/container/flat_set.hpp>
|
|
#include <boost/container/map.hpp>
|
|
#include <boost/container/set.hpp>
|
|
#include <boost/container/detail/mpl.hpp>
|
|
|
|
#include <boost/container/scoped_allocator.hpp>
|
|
|
|
template <typename Ty>
|
|
class SimpleAllocator
|
|
{
|
|
public:
|
|
typedef Ty value_type;
|
|
|
|
explicit SimpleAllocator(int value)
|
|
: m_state(value)
|
|
{}
|
|
|
|
template <typename T>
|
|
SimpleAllocator(const SimpleAllocator<T> &other)
|
|
: m_state(other.m_state)
|
|
{}
|
|
|
|
Ty* allocate(std::size_t n)
|
|
{
|
|
return m_allocator.allocate(n);
|
|
}
|
|
|
|
void deallocate(Ty* p, std::size_t n)
|
|
{
|
|
m_allocator.deallocate(p, n);
|
|
}
|
|
|
|
int get_value() const
|
|
{ return m_state; }
|
|
|
|
private:
|
|
int m_state;
|
|
std::allocator<Ty> m_allocator;
|
|
|
|
template <typename T> friend class SimpleAllocator;
|
|
|
|
friend bool operator == (const SimpleAllocator &, const SimpleAllocator &)
|
|
{ return true; }
|
|
|
|
friend bool operator != (const SimpleAllocator &, const SimpleAllocator &)
|
|
{ return false; }
|
|
};
|
|
|
|
class alloc_int
|
|
{
|
|
private: // Not copyable
|
|
|
|
BOOST_MOVABLE_BUT_NOT_COPYABLE(alloc_int)
|
|
|
|
public:
|
|
typedef SimpleAllocator<int> allocator_type;
|
|
|
|
alloc_int(BOOST_RV_REF(alloc_int)other)
|
|
: m_value(other.m_value), m_allocator(boost::move(other.m_allocator))
|
|
{
|
|
other.m_value = -1;
|
|
}
|
|
|
|
alloc_int(BOOST_RV_REF(alloc_int)other, const allocator_type &allocator)
|
|
: m_value(other.m_value), m_allocator(allocator)
|
|
{
|
|
other.m_value = -1;
|
|
}
|
|
|
|
alloc_int(int value, const allocator_type &allocator)
|
|
: m_value(value), m_allocator(allocator)
|
|
{}
|
|
|
|
alloc_int & operator=(BOOST_RV_REF(alloc_int)other)
|
|
{
|
|
other.m_value = other.m_value;
|
|
return *this;
|
|
}
|
|
|
|
int get_allocator_state() const
|
|
{ return m_allocator.get_value(); }
|
|
|
|
int get_value() const
|
|
{ return m_value; }
|
|
|
|
friend bool operator < (const alloc_int &l, const alloc_int &r)
|
|
{ return l.m_value < r.m_value; }
|
|
|
|
friend bool operator == (const alloc_int &l, const alloc_int &r)
|
|
{ return l.m_value == r.m_value; }
|
|
|
|
private:
|
|
int m_value;
|
|
allocator_type m_allocator;
|
|
};
|
|
|
|
using namespace ::boost::container;
|
|
|
|
//general allocator
|
|
typedef scoped_allocator_adaptor<SimpleAllocator<alloc_int> > AllocIntAllocator;
|
|
|
|
//[multi]map/set
|
|
typedef std::pair<const alloc_int, alloc_int> MapNode;
|
|
typedef scoped_allocator_adaptor<SimpleAllocator<MapNode> > MapAllocator;
|
|
typedef map<alloc_int, alloc_int, std::less<alloc_int>, MapAllocator> Map;
|
|
typedef set<alloc_int, std::less<alloc_int>, AllocIntAllocator> Set;
|
|
typedef multimap<alloc_int, alloc_int, std::less<alloc_int>, MapAllocator> MultiMap;
|
|
typedef multiset<alloc_int, std::less<alloc_int>, AllocIntAllocator> MultiSet;
|
|
|
|
//[multi]flat_map/set
|
|
typedef std::pair<alloc_int, alloc_int> FlatMapNode;
|
|
typedef scoped_allocator_adaptor<SimpleAllocator<FlatMapNode> > FlatMapAllocator;
|
|
typedef flat_map<alloc_int, alloc_int, std::less<alloc_int>, FlatMapAllocator> FlatMap;
|
|
typedef flat_set<alloc_int, std::less<alloc_int>, AllocIntAllocator> FlatSet;
|
|
typedef flat_multimap<alloc_int, alloc_int, std::less<alloc_int>, FlatMapAllocator> FlatMultiMap;
|
|
typedef flat_multiset<alloc_int, std::less<alloc_int>, AllocIntAllocator> FlatMultiSet;
|
|
|
|
//vector, deque, list, slist, stable_vector.
|
|
typedef vector<alloc_int, AllocIntAllocator> Vector;
|
|
typedef deque<alloc_int, AllocIntAllocator> Deque;
|
|
typedef list<alloc_int, AllocIntAllocator> List;
|
|
typedef slist<alloc_int, AllocIntAllocator> Slist;
|
|
typedef stable_vector<alloc_int, AllocIntAllocator> StableVector;
|
|
typedef small_vector<alloc_int, 9, AllocIntAllocator> SmallVector;
|
|
|
|
/////////
|
|
//is_unique_assoc
|
|
/////////
|
|
|
|
template<class T>
|
|
struct is_unique_assoc
|
|
{
|
|
static const bool value = false;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_unique_assoc< map<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_unique_assoc< flat_map<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_unique_assoc< set<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_unique_assoc< flat_set<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
|
|
/////////
|
|
//is_map
|
|
/////////
|
|
|
|
template<class T>
|
|
struct is_map
|
|
{
|
|
static const bool value = false;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_map< map<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_map< flat_map<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_map< multimap<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class T, class Compare, class Allocator>
|
|
struct is_map< flat_multimap<Key, T, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class T>
|
|
struct is_set
|
|
{
|
|
static const bool value = false;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_set< set<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_set< flat_set<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_set< multiset<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
template<class Key, class Compare, class Allocator>
|
|
struct is_set< flat_multiset<Key, Compare, Allocator> >
|
|
{
|
|
static const bool value = true;
|
|
};
|
|
|
|
/////////
|
|
//container_wrapper
|
|
/////////
|
|
|
|
//Try to define-allocator_aware requirements
|
|
template< class Container
|
|
, bool Assoc = is_set<Container>::value || is_map<Container>::value
|
|
, bool UniqueAssoc = is_unique_assoc<Container>::value
|
|
, bool Map = is_map<Container>::value
|
|
>
|
|
struct container_wrapper_inserter
|
|
{
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
template<class Arg>
|
|
static iterator emplace(Container &c, const_iterator p, const Arg &arg)
|
|
{ return c.emplace(p, arg); }
|
|
};
|
|
|
|
template<class Container> //map
|
|
struct container_wrapper_inserter<Container, true, true, true>
|
|
{
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
template<class Arg>
|
|
static iterator emplace(Container &c, const_iterator, const Arg &arg)
|
|
{ return c.emplace(arg, arg).first; }
|
|
};
|
|
|
|
template<class Container> //set
|
|
struct container_wrapper_inserter<Container, true, true, false>
|
|
{
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
template<class Arg>
|
|
static iterator emplace(Container &c, const_iterator, const Arg &arg)
|
|
{ return c.emplace(arg).first; }
|
|
};
|
|
|
|
template<class Container> //multimap
|
|
struct container_wrapper_inserter<Container, true, false, true>
|
|
{
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
template<class Arg>
|
|
static iterator emplace(Container &c, const_iterator, const Arg &arg)
|
|
{ return c.emplace(arg, arg); }
|
|
};
|
|
|
|
//multiset
|
|
template<class Container> //multimap
|
|
struct container_wrapper_inserter<Container, true, false, false>
|
|
{
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
template<class Arg>
|
|
static iterator emplace(Container &c, const_iterator, const Arg &arg)
|
|
{ return c.emplace(arg); }
|
|
};
|
|
|
|
template< class Container>
|
|
struct container_wrapper
|
|
: public Container
|
|
{
|
|
private:
|
|
BOOST_COPYABLE_AND_MOVABLE(container_wrapper)
|
|
|
|
public:
|
|
typedef typename Container::allocator_type allocator_type;
|
|
typedef typename Container::const_iterator const_iterator;
|
|
typedef typename Container::iterator iterator;
|
|
|
|
container_wrapper(const allocator_type &a)
|
|
: Container(a)
|
|
{}
|
|
|
|
container_wrapper(BOOST_RV_REF(container_wrapper) o, const allocator_type &a)
|
|
: Container(BOOST_MOVE_BASE(Container, o), a)
|
|
{}
|
|
|
|
container_wrapper(const container_wrapper &o, const allocator_type &a)
|
|
: Container(o, a)
|
|
{}
|
|
|
|
template<class Arg>
|
|
iterator emplace(const_iterator p, const Arg &arg)
|
|
{ return container_wrapper_inserter<Container>::emplace(*this, p, arg); }
|
|
};
|
|
|
|
|
|
bool test_value_and_state_equals(const alloc_int &r, int value, int state)
|
|
{ return r.get_value() == value && r.get_allocator_state() == state; }
|
|
|
|
template<class F, class S>
|
|
bool test_value_and_state_equals(const dtl::pair<F, S> &p, int value, int state)
|
|
{ return test_value_and_state_equals(p.first, value, state) && test_alloc_state_equals(p.second, value, state); }
|
|
|
|
template<class F, class S>
|
|
bool test_value_and_state_equals(const std::pair<F, S> &p, int value, int state)
|
|
{ return test_value_and_state_equals(p.first, value, state) && test_value_and_state_equals(p.second, value, state); }
|
|
|
|
template<class Container>
|
|
bool one_level_allocator_propagation_test()
|
|
{
|
|
typedef container_wrapper<Container> ContainerWrapper;
|
|
typedef typename ContainerWrapper::iterator iterator;
|
|
typedef typename ContainerWrapper::allocator_type allocator_type;
|
|
typedef typename ContainerWrapper::value_type value_type;
|
|
{
|
|
allocator_type al(SimpleAllocator<value_type>(5));
|
|
ContainerWrapper c(al);
|
|
|
|
c.clear();
|
|
iterator it = c.emplace(c.cbegin(), 42);
|
|
|
|
if(!test_value_and_state_equals(*it, 42, 5))
|
|
return false;
|
|
}
|
|
{
|
|
allocator_type al(SimpleAllocator<value_type>(4));
|
|
ContainerWrapper c2(al);
|
|
ContainerWrapper c(::boost::move(c2), allocator_type(SimpleAllocator<value_type>(5)));
|
|
|
|
c.clear();
|
|
iterator it = c.emplace(c.cbegin(), 42);
|
|
|
|
if(!test_value_and_state_equals(*it, 42, 5))
|
|
return false;
|
|
}/*
|
|
{
|
|
ContainerWrapper c2(allocator_type(SimpleAllocator<value_type>(3)));
|
|
ContainerWrapper c(c2, allocator_type(SimpleAllocator<value_type>(5)));
|
|
|
|
c.clear();
|
|
iterator it = c.emplace(c.cbegin(), 42);
|
|
|
|
if(!test_value_and_state_equals(*it, 42, 5))
|
|
return false;
|
|
}*/
|
|
return true;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
//unique assoc
|
|
if(!one_level_allocator_propagation_test<FlatMap>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<Map>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<FlatSet>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<Set>())
|
|
return 1;
|
|
//multi assoc
|
|
if(!one_level_allocator_propagation_test<FlatMultiMap>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<MultiMap>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<FlatMultiSet>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<MultiSet>())
|
|
return 1;
|
|
//sequence containers
|
|
if(!one_level_allocator_propagation_test<Vector>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<Deque>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<List>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<Slist>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<StableVector>())
|
|
return 1;
|
|
if(!one_level_allocator_propagation_test<SmallVector>())
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
#include <boost/container/detail/config_end.hpp>
|