297 lines
11 KiB
Plaintext
297 lines
11 KiB
Plaintext
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// (C) Copyright Olaf Krzikalla 2004-2006.
|
||
|
|
// (C) Copyright Ion Gaztanaga 2006-2013
|
||
|
|
//
|
||
|
|
// 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/intrusive for documentation.
|
||
|
|
//
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef BOOST_INTRUSIVE_SET_HOOK_HPP
|
||
|
|
#define BOOST_INTRUSIVE_SET_HOOK_HPP
|
||
|
|
|
||
|
|
#include <boost/intrusive/detail/config_begin.hpp>
|
||
|
|
#include <boost/intrusive/intrusive_fwd.hpp>
|
||
|
|
|
||
|
|
#include <boost/intrusive/detail/rbtree_node.hpp>
|
||
|
|
#include <boost/intrusive/rbtree_algorithms.hpp>
|
||
|
|
#include <boost/intrusive/options.hpp>
|
||
|
|
#include <boost/intrusive/detail/generic_hook.hpp>
|
||
|
|
|
||
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
||
|
|
# pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace intrusive {
|
||
|
|
|
||
|
|
//! Helper metafunction to define a \c set_base_hook that yields to the same
|
||
|
|
//! type when the same options (either explicitly or implicitly) are used.
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
template<class ...Options>
|
||
|
|
#else
|
||
|
|
template<class O1 = void, class O2 = void, class O3 = void, class O4 = void>
|
||
|
|
#endif
|
||
|
|
struct make_set_base_hook
|
||
|
|
{
|
||
|
|
/// @cond
|
||
|
|
typedef typename pack_options
|
||
|
|
< hook_defaults,
|
||
|
|
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
O1, O2, O3, O4
|
||
|
|
#else
|
||
|
|
Options...
|
||
|
|
#endif
|
||
|
|
>::type packed_options;
|
||
|
|
|
||
|
|
typedef generic_hook
|
||
|
|
< RbTreeAlgorithms
|
||
|
|
, rbtree_node_traits<typename packed_options::void_pointer, packed_options::optimize_size>
|
||
|
|
, typename packed_options::tag
|
||
|
|
, packed_options::link_mode
|
||
|
|
, RbTreeBaseHookId
|
||
|
|
> implementation_defined;
|
||
|
|
/// @endcond
|
||
|
|
typedef implementation_defined type;
|
||
|
|
};
|
||
|
|
|
||
|
|
//! Derive a class from set_base_hook in order to store objects in
|
||
|
|
//! in a set/multiset. set_base_hook holds the data necessary to maintain
|
||
|
|
//! the set/multiset and provides an appropriate value_traits class for set/multiset.
|
||
|
|
//!
|
||
|
|
//! The hook admits the following options: \c tag<>, \c void_pointer<>,
|
||
|
|
//! \c link_mode<> and \c optimize_size<>.
|
||
|
|
//!
|
||
|
|
//! \c tag<> defines a tag to identify the node.
|
||
|
|
//! The same tag value can be used in different classes, but if a class is
|
||
|
|
//! derived from more than one \c list_base_hook, then each \c list_base_hook needs its
|
||
|
|
//! unique tag.
|
||
|
|
//!
|
||
|
|
//! \c void_pointer<> is the pointer type that will be used internally in the hook
|
||
|
|
//! and the container configured to use this hook.
|
||
|
|
//!
|
||
|
|
//! \c link_mode<> will specify the linking mode of the hook (\c normal_link,
|
||
|
|
//! \c auto_unlink or \c safe_link).
|
||
|
|
//!
|
||
|
|
//! \c optimize_size<> will tell the hook to optimize the hook for size instead
|
||
|
|
//! of speed.
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
template<class ...Options>
|
||
|
|
#else
|
||
|
|
template<class O1, class O2, class O3, class O4>
|
||
|
|
#endif
|
||
|
|
class set_base_hook
|
||
|
|
: public make_set_base_hook<
|
||
|
|
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
O1, O2, O3, O4
|
||
|
|
#else
|
||
|
|
Options...
|
||
|
|
#endif
|
||
|
|
>::type
|
||
|
|
{
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
|
||
|
|
public:
|
||
|
|
//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
|
||
|
|
//! initializes the node to an unlinked state.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
set_base_hook();
|
||
|
|
|
||
|
|
//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
|
||
|
|
//! initializes the node to an unlinked state. The argument is ignored.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
//!
|
||
|
|
//! <b>Rationale</b>: Providing a copy-constructor
|
||
|
|
//! makes classes using the hook STL-compliant without forcing the
|
||
|
|
//! user to do some additional work. \c swap can be used to emulate
|
||
|
|
//! move-semantics.
|
||
|
|
set_base_hook(const set_base_hook& );
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Empty function. The argument is ignored.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
//!
|
||
|
|
//! <b>Rationale</b>: Providing an assignment operator
|
||
|
|
//! makes classes using the hook STL-compliant without forcing the
|
||
|
|
//! user to do some additional work. \c swap can be used to emulate
|
||
|
|
//! move-semantics.
|
||
|
|
set_base_hook& operator=(const set_base_hook& );
|
||
|
|
|
||
|
|
//! <b>Effects</b>: If link_mode is \c normal_link, the destructor does
|
||
|
|
//! nothing (ie. no code is generated). If link_mode is \c safe_link and the
|
||
|
|
//! object is stored in a set an assertion is raised. If link_mode is
|
||
|
|
//! \c auto_unlink and \c is_linked() is true, the node is unlinked.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
~set_base_hook();
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Swapping two nodes swaps the position of the elements
|
||
|
|
//! related to those nodes in one or two containers. That is, if the node
|
||
|
|
//! this is part of the element e1, the node x is part of the element e2
|
||
|
|
//! and both elements are included in the containers s1 and s2, then after
|
||
|
|
//! the swap-operation e1 is in s2 at the position of e2 and e2 is in s1
|
||
|
|
//! at the position of e1. If one element is not in a container, then
|
||
|
|
//! after the swap-operation the other element is not in a container.
|
||
|
|
//! Iterators to e1 and e2 related to those nodes are invalidated.
|
||
|
|
//!
|
||
|
|
//! <b>Complexity</b>: Constant
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
void swap_nodes(set_base_hook &other);
|
||
|
|
|
||
|
|
//! <b>Precondition</b>: link_mode must be \c safe_link or \c auto_unlink.
|
||
|
|
//!
|
||
|
|
//! <b>Returns</b>: true, if the node belongs to a container, false
|
||
|
|
//! otherwise. This function can be used to test whether \c set::iterator_to
|
||
|
|
//! will return a valid iterator.
|
||
|
|
//!
|
||
|
|
//! <b>Complexity</b>: Constant
|
||
|
|
bool is_linked() const;
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Removes the node if it's inserted in a container.
|
||
|
|
//! This function is only allowed if link_mode is \c auto_unlink.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
void unlink();
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
//! Helper metafunction to define a \c set_member_hook that yields to the same
|
||
|
|
//! type when the same options (either explicitly or implicitly) are used.
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
template<class ...Options>
|
||
|
|
#else
|
||
|
|
template<class O1 = void, class O2 = void, class O3 = void, class O4 = void>
|
||
|
|
#endif
|
||
|
|
struct make_set_member_hook
|
||
|
|
{
|
||
|
|
/// @cond
|
||
|
|
typedef typename pack_options
|
||
|
|
< hook_defaults,
|
||
|
|
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
O1, O2, O3, O4
|
||
|
|
#else
|
||
|
|
Options...
|
||
|
|
#endif
|
||
|
|
>::type packed_options;
|
||
|
|
|
||
|
|
typedef generic_hook
|
||
|
|
< RbTreeAlgorithms
|
||
|
|
, rbtree_node_traits<typename packed_options::void_pointer, packed_options::optimize_size>
|
||
|
|
, member_tag
|
||
|
|
, packed_options::link_mode
|
||
|
|
, NoBaseHookId
|
||
|
|
> implementation_defined;
|
||
|
|
/// @endcond
|
||
|
|
typedef implementation_defined type;
|
||
|
|
};
|
||
|
|
|
||
|
|
//! Put a public data member set_member_hook in order to store objects of this class in
|
||
|
|
//! a set/multiset. set_member_hook holds the data necessary for maintaining the
|
||
|
|
//! set/multiset and provides an appropriate value_traits class for set/multiset.
|
||
|
|
//!
|
||
|
|
//! The hook admits the following options: \c void_pointer<>,
|
||
|
|
//! \c link_mode<> and \c optimize_size<>.
|
||
|
|
//!
|
||
|
|
//! \c void_pointer<> is the pointer type that will be used internally in the hook
|
||
|
|
//! and the container configured to use this hook.
|
||
|
|
//!
|
||
|
|
//! \c link_mode<> will specify the linking mode of the hook (\c normal_link,
|
||
|
|
//! \c auto_unlink or \c safe_link).
|
||
|
|
//!
|
||
|
|
//! \c optimize_size<> will tell the hook to optimize the hook for size instead
|
||
|
|
//! of speed.
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
template<class ...Options>
|
||
|
|
#else
|
||
|
|
template<class O1, class O2, class O3, class O4>
|
||
|
|
#endif
|
||
|
|
class set_member_hook
|
||
|
|
: public make_set_member_hook<
|
||
|
|
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
|
||
|
|
O1, O2, O3, O4
|
||
|
|
#else
|
||
|
|
Options...
|
||
|
|
#endif
|
||
|
|
>::type
|
||
|
|
{
|
||
|
|
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
|
||
|
|
public:
|
||
|
|
//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
|
||
|
|
//! initializes the node to an unlinked state.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
set_member_hook();
|
||
|
|
|
||
|
|
//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
|
||
|
|
//! initializes the node to an unlinked state. The argument is ignored.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
//!
|
||
|
|
//! <b>Rationale</b>: Providing a copy-constructor
|
||
|
|
//! makes classes using the hook STL-compliant without forcing the
|
||
|
|
//! user to do some additional work. \c swap can be used to emulate
|
||
|
|
//! move-semantics.
|
||
|
|
set_member_hook(const set_member_hook& );
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Empty function. The argument is ignored.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
//!
|
||
|
|
//! <b>Rationale</b>: Providing an assignment operator
|
||
|
|
//! makes classes using the hook STL-compliant without forcing the
|
||
|
|
//! user to do some additional work. \c swap can be used to emulate
|
||
|
|
//! move-semantics.
|
||
|
|
set_member_hook& operator=(const set_member_hook& );
|
||
|
|
|
||
|
|
//! <b>Effects</b>: If link_mode is \c normal_link, the destructor does
|
||
|
|
//! nothing (ie. no code is generated). If link_mode is \c safe_link and the
|
||
|
|
//! object is stored in a set an assertion is raised. If link_mode is
|
||
|
|
//! \c auto_unlink and \c is_linked() is true, the node is unlinked.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
~set_member_hook();
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Swapping two nodes swaps the position of the elements
|
||
|
|
//! related to those nodes in one or two containers. That is, if the node
|
||
|
|
//! this is part of the element e1, the node x is part of the element e2
|
||
|
|
//! and both elements are included in the containers s1 and s2, then after
|
||
|
|
//! the swap-operation e1 is in s2 at the position of e2 and e2 is in s1
|
||
|
|
//! at the position of e1. If one element is not in a container, then
|
||
|
|
//! after the swap-operation the other element is not in a container.
|
||
|
|
//! Iterators to e1 and e2 related to those nodes are invalidated.
|
||
|
|
//!
|
||
|
|
//! <b>Complexity</b>: Constant
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
void swap_nodes(set_member_hook &other);
|
||
|
|
|
||
|
|
//! <b>Precondition</b>: link_mode must be \c safe_link or \c auto_unlink.
|
||
|
|
//!
|
||
|
|
//! <b>Returns</b>: true, if the node belongs to a container, false
|
||
|
|
//! otherwise. This function can be used to test whether \c set::iterator_to
|
||
|
|
//! will return a valid iterator.
|
||
|
|
//!
|
||
|
|
//! <b>Complexity</b>: Constant
|
||
|
|
bool is_linked() const;
|
||
|
|
|
||
|
|
//! <b>Effects</b>: Removes the node if it's inserted in a container.
|
||
|
|
//! This function is only allowed if link_mode is \c auto_unlink.
|
||
|
|
//!
|
||
|
|
//! <b>Throws</b>: Nothing.
|
||
|
|
void unlink();
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace intrusive
|
||
|
|
} //namespace boost
|
||
|
|
|
||
|
|
#include <boost/intrusive/detail/config_end.hpp>
|
||
|
|
|
||
|
|
#endif //BOOST_INTRUSIVE_SET_HOOK_HPP
|