basic_tree_policy_base.hpp [plain text]
#ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP
#define PB_DS_TREE_LIKE_POLICY_BASE_HPP
namespace pb_ds
{
namespace detail
{
#define PB_DS_CLASS_C_DEC \
basic_tree_policy_base< \
Const_Node_Iterator, \
Node_Iterator, \
Allocator>
template<typename Const_Node_Iterator,
typename Node_Iterator,
typename Allocator>
struct basic_tree_policy_base
{
protected:
typedef typename Node_Iterator::value_type it_type;
typedef typename std::iterator_traits< it_type>::value_type value_type;
typedef typename value_type::first_type key_type;
typedef
typename Allocator::template rebind<
typename remove_const<
key_type>::type>::other::const_reference
const_key_reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::const_reference
const_reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::reference
reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::const_pointer
const_pointer;
static inline const_key_reference
extract_key(const_reference r_val)
{
return (r_val.first);
}
virtual it_type
end() = 0;
it_type
end_iterator() const
{
return (const_cast<PB_DS_CLASS_C_DEC* >(this)->end());
}
virtual
~basic_tree_policy_base()
{ }
};
template<typename Const_Node_Iterator, typename Allocator>
struct basic_tree_policy_base<
Const_Node_Iterator,
Const_Node_Iterator,
Allocator>
{
protected:
typedef typename Const_Node_Iterator::value_type it_type;
typedef typename std::iterator_traits< it_type>::value_type value_type;
typedef value_type key_type;
typedef
typename Allocator::template rebind<
typename remove_const<
key_type>::type>::other::const_reference
const_key_reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::const_reference
const_reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::reference
reference;
typedef
typename Allocator::template rebind<
typename remove_const<
value_type>::type>::other::const_pointer
const_pointer;
static inline const_key_reference
extract_key(const_reference r_val)
{
return (r_val);
}
virtual it_type
end() const = 0;
it_type
end_iterator() const
{
return (end());
}
virtual
~basic_tree_policy_base()
{ }
};
#undef PB_DS_CLASS_C_DEC
} }
#endif // #ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP