assoc_container.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file assoc_container.hpp
* Contains associative containers.
*/
#ifndef PB_DS_ASSOC_CNTNR_HPP
#define PB_DS_ASSOC_CNTNR_HPP
#include <bits/c++config.h>
#include <ext/typelist.h>
#include <ext/pb_ds/tag_and_trait.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
#include <ext/pb_ds/detail/container_base_dispatch.hpp>
#include <ext/pb_ds/detail/branch_policy/traits.hpp>
namespace __gnu_pbds
{
/**
* @defgroup containers-pbds Containers
* @ingroup pbds
* @{
*/
/**
* @defgroup hash-based Hash-Based
* @ingroup containers-pbds
* @{
*/
#define PB_DS_HASH_BASE \
detail::container_base_dispatch<Key, Mapped, _Alloc, Tag, \
typename __gnu_cxx::typelist::append< \
typename __gnu_cxx::typelist::create4<Hash_Fn, Eq_Fn, Resize_Policy, \
detail::integral_constant<int, Store_Hash> >::type, Policy_Tl>::type>::type
/**
* @defgroup hash-detail Base and Policy Classes
* @ingroup hash-based
*/
/**
* A hashed container abstraction.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Hash_Fn Hashing functor.
* @tparam Eq_Fn Equal functor.
* @tparam Resize_Policy Resizes hash.
* @tparam Store_Hash Indicates whether the hash value
* will be stored along with each key.
* @tparam Tag Instantiating data structure type,
* see container_tag.
* @tparam Policy_TL Policy typelist.
* @tparam _Alloc Allocator type.
*
* Base is dispatched at compile time via Tag, from the following
* choices: cc_hash_tag, gp_hash_tag, and descendants of basic_hash_tag.
*
* Base choices are: detail::cc_ht_map, detail::gp_ht_map
*/
template<typename Key,
typename Mapped,
typename Hash_Fn,
typename Eq_Fn,
typename Resize_Policy,
bool Store_Hash,
typename Tag,
typename Policy_Tl,
typename _Alloc>
class basic_hash_table : public PB_DS_HASH_BASE
{
private:
typedef typename PB_DS_HASH_BASE base_type;
public:
virtual
~basic_hash_table() { }
protected:
basic_hash_table() { }
basic_hash_table(const basic_hash_table& other)
: base_type((const base_type&)other) { }
template<typename T0>
basic_hash_table(T0 t0) : base_type(t0) { }
template<typename T0, typename T1>
basic_hash_table(T0 t0, T1 t1) : base_type(t0, t1) { }
template<typename T0, typename T1, typename T2>
basic_hash_table(T0 t0, T1 t1, T2 t2) : base_type(t0, t1, t2) { }
template<typename T0, typename T1, typename T2, typename T3>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3)
: base_type(t0, t1, t2, t3) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4)
: base_type(t0, t1, t2, t3, t4) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5)
: base_type(t0, t1, t2, t3, t4, t5) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6)
: base_type(t0, t1, t2, t3, t4, t5, t6) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7)
: base_type(t0, t1, t2, t3, t4, t5, t6, t7) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7, typename T8>
basic_hash_table(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6,
T7 t7, T8 t8)
: base_type(t0, t1, t2, t3, t4, t5, t6, t7, t8)
{ }
private:
basic_hash_table&
operator=(const base_type&);
};
#undef PB_DS_HASH_BASE
#define PB_DS_CC_HASH_BASE \
basic_hash_table<Key, Mapped, Hash_Fn, Eq_Fn, Resize_Policy, Store_Hash, \
cc_hash_tag, \
typename __gnu_cxx::typelist::create1<Comb_Hash_Fn>::type, _Alloc>
/**
* A collision-chaining hash-based associative container.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Hash_Fn Hashing functor.
* @tparam Eq_Fn Equal functor.
* @tparam Comb_Hash_Fn Combining hash functor.
* If Hash_Fn is not null_type, then this
* is the ranged-hash functor; otherwise,
* this is the range-hashing functor.
* XXX(See Design::Hash-Based Containers::Hash Policies.)
* @tparam Resize_Policy Resizes hash.
* @tparam Store_Hash Indicates whether the hash value
* will be stored along with each key.
* If Hash_Fn is null_type, then the
* container will not compile if this
* value is true
* @tparam _Alloc Allocator type.
*
* Base tag choices are: cc_hash_tag.
*
* Base is basic_hash_table.
*/
template<typename Key,
typename Mapped,
typename Hash_Fn = typename detail::default_hash_fn<Key>::type,
typename Eq_Fn = typename detail::default_eq_fn<Key>::type,
typename Comb_Hash_Fn = detail::default_comb_hash_fn::type,
typename Resize_Policy = typename detail::default_resize_policy<Comb_Hash_Fn>::type,
bool Store_Hash = detail::default_store_hash,
typename _Alloc = std::allocator<char> >
class cc_hash_table : public PB_DS_CC_HASH_BASE
{
private:
typedef PB_DS_CC_HASH_BASE base_type;
public:
typedef cc_hash_tag container_category;
typedef Hash_Fn hash_fn;
typedef Eq_Fn eq_fn;
typedef Resize_Policy resize_policy;
typedef Comb_Hash_Fn comb_hash_fn;
/// Default constructor.
cc_hash_table() { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the Hash_Fn object of the container object.
cc_hash_table(const hash_fn& h)
: base_type(h) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, and
/// r_eq_fn will be copied by the eq_fn object of the container
/// object.
cc_hash_table(const hash_fn& h, const eq_fn& e)
: base_type(h, e) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, r_eq_fn
/// will be copied by the eq_fn object of the container object,
/// and r_comb_hash_fn will be copied by the comb_hash_fn object
/// of the container object.
cc_hash_table(const hash_fn& h, const eq_fn& e, const comb_hash_fn& ch)
: base_type(h, e, ch) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, r_eq_fn
/// will be copied by the eq_fn object of the container object,
/// r_comb_hash_fn will be copied by the comb_hash_fn object of
/// the container object, and r_resize_policy will be copied by
/// the resize_policy object of the container object.
cc_hash_table(const hash_fn& h, const eq_fn& e, const comb_hash_fn& ch,
const resize_policy& rp)
: base_type(h, e, ch, rp) { }
/// Constructor taking __iterators to a range of value_types. The
/// value_types between first_it and last_it will be inserted into
/// the container object.
template<typename It>
cc_hash_table(It first, It last)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object.
template<typename It>
cc_hash_table(It first, It last, const hash_fn& h)
: base_type(h)
{ this->copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// and r_eq_fn will be copied by the eq_fn object of the
/// container object.
template<typename It>
cc_hash_table(It first, It last, const hash_fn& h, const eq_fn& e)
: base_type(h, e)
{ this->copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// r_eq_fn will be copied by the eq_fn object of the container
/// object, and r_comb_hash_fn will be copied by the comb_hash_fn
/// object of the container object.
template<typename It>
cc_hash_table(It first, It last, const hash_fn& h, const eq_fn& e,
const comb_hash_fn& ch)
: base_type(h, e, ch)
{ this->copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// r_eq_fn will be copied by the eq_fn object of the container
/// object, r_comb_hash_fn will be copied by the comb_hash_fn
/// object of the container object, and r_resize_policy will be
/// copied by the resize_policy object of the container object.
template<typename It>
cc_hash_table(It first, It last, const hash_fn& h, const eq_fn& e,
const comb_hash_fn& ch, const resize_policy& rp)
: base_type(h, e, ch, rp)
{ this->copy_from_range(first, last); }
cc_hash_table(const cc_hash_table& other)
: base_type((const base_type&)other)
{ }
virtual
~cc_hash_table() { }
cc_hash_table&
operator=(const cc_hash_table& other)
{
if (this != &other)
{
cc_hash_table tmp(other);
swap(tmp);
}
return *this;
}
void
swap(cc_hash_table& other)
{ base_type::swap(other); }
};
#undef PB_DS_CC_HASH_BASE
#define PB_DS_GP_HASH_BASE \
basic_hash_table<Key, Mapped, Hash_Fn, Eq_Fn, Resize_Policy, Store_Hash, \
gp_hash_tag, \
typename __gnu_cxx::typelist::create2<Comb_Probe_Fn, Probe_Fn>::type, _Alloc>
/**
* A general-probing hash-based associative container.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Hash_Fn Hashing functor.
* @tparam Eq_Fn Equal functor.
* @tparam Comb_Probe_Fn Combining probe functor.
* If Hash_Fn is not null_type, then this
* is the ranged-probe functor; otherwise,
* this is the range-hashing functor.
* XXX See Design::Hash-Based Containers::Hash Policies.
* @tparam Probe_Fn Probe functor.
* @tparam Resize_Policy Resizes hash.
* @tparam Store_Hash Indicates whether the hash value
* will be stored along with each key.
* If Hash_Fn is null_type, then the
* container will not compile if this
* value is true
* @tparam _Alloc Allocator type.
*
* Base tag choices are: gp_hash_tag.
*
* Base is basic_hash_table.
*/
template<typename Key,
typename Mapped,
typename Hash_Fn = typename detail::default_hash_fn<Key>::type,
typename Eq_Fn = typename detail::default_eq_fn<Key>::type,
typename Comb_Probe_Fn = detail::default_comb_hash_fn::type,
typename Probe_Fn = typename detail::default_probe_fn<Comb_Probe_Fn>::type,
typename Resize_Policy = typename detail::default_resize_policy<Comb_Probe_Fn>::type,
bool Store_Hash = detail::default_store_hash,
typename _Alloc = std::allocator<char> >
class gp_hash_table : public PB_DS_GP_HASH_BASE
{
private:
typedef PB_DS_GP_HASH_BASE base_type;
public:
typedef gp_hash_tag container_category;
typedef Hash_Fn hash_fn;
typedef Eq_Fn eq_fn;
typedef Comb_Probe_Fn comb_probe_fn;
typedef Probe_Fn probe_fn;
typedef Resize_Policy resize_policy;
/// Default constructor.
gp_hash_table() { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object.
gp_hash_table(const hash_fn& h)
: base_type(h) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, and
/// r_eq_fn will be copied by the eq_fn object of the container
/// object.
gp_hash_table(const hash_fn& h, const eq_fn& e)
: base_type(h, e) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, r_eq_fn
/// will be copied by the eq_fn object of the container object,
/// and r_comb_probe_fn will be copied by the comb_probe_fn object
/// of the container object.
gp_hash_table(const hash_fn& h, const eq_fn& e, const comb_probe_fn& cp)
: base_type(h, e, cp) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, r_eq_fn
/// will be copied by the eq_fn object of the container object,
/// r_comb_probe_fn will be copied by the comb_probe_fn object of
/// the container object, and r_probe_fn will be copied by the
/// probe_fn object of the container object.
gp_hash_table(const hash_fn& h, const eq_fn& e, const comb_probe_fn& cp,
const probe_fn& p)
: base_type(h, e, cp, p) { }
/// Constructor taking some policy objects. r_hash_fn will be
/// copied by the hash_fn object of the container object, r_eq_fn
/// will be copied by the eq_fn object of the container object,
/// r_comb_probe_fn will be copied by the comb_probe_fn object of
/// the container object, r_probe_fn will be copied by the
/// probe_fn object of the container object, and r_resize_policy
/// will be copied by the Resize_Policy object of the container
/// object.
gp_hash_table(const hash_fn& h, const eq_fn& e, const comb_probe_fn& cp,
const probe_fn& p, const resize_policy& rp)
: base_type(h, e, cp, p, rp) { }
/// Constructor taking __iterators to a range of value_types. The
/// value_types between first_it and last_it will be inserted into
/// the container object.
template<typename It>
gp_hash_table(It first, It last)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object.
template<typename It>
gp_hash_table(It first, It last, const hash_fn& h)
: base_type(h)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// and r_eq_fn will be copied by the eq_fn object of the
/// container object.
template<typename It>
gp_hash_table(It first, It last, const hash_fn& h, const eq_fn& e)
: base_type(h, e)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// r_eq_fn will be copied by the eq_fn object of the container
/// object, and r_comb_probe_fn will be copied by the
/// comb_probe_fn object of the container object.
template<typename It>
gp_hash_table(It first, It last, const hash_fn& h, const eq_fn& e,
const comb_probe_fn& cp)
: base_type(h, e, cp)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// r_eq_fn will be copied by the eq_fn object of the container
/// object, r_comb_probe_fn will be copied by the comb_probe_fn
/// object of the container object, and r_probe_fn will be copied
/// by the probe_fn object of the container object.
template<typename It>
gp_hash_table(It first, It last, const hash_fn& h, const eq_fn& e,
const comb_probe_fn& cp, const probe_fn& p)
: base_type(h, e, cp, p)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object. r_hash_fn
/// will be copied by the hash_fn object of the container object,
/// r_eq_fn will be copied by the eq_fn object of the container
/// object, r_comb_probe_fn will be copied by the comb_probe_fn
/// object of the container object, r_probe_fn will be copied by
/// the probe_fn object of the container object, and
/// r_resize_policy will be copied by the resize_policy object of
/// the container object.
template<typename It>
gp_hash_table(It first, It last, const hash_fn& h, const eq_fn& e,
const comb_probe_fn& cp, const probe_fn& p,
const resize_policy& rp)
: base_type(h, e, cp, p, rp)
{ base_type::copy_from_range(first, last); }
gp_hash_table(const gp_hash_table& other)
: base_type((const base_type&)other)
{ }
virtual
~gp_hash_table() { }
gp_hash_table&
operator=(const gp_hash_table& other)
{
if (this != &other)
{
gp_hash_table tmp(other);
swap(tmp);
}
return *this;
}
void
swap(gp_hash_table& other)
{ base_type::swap(other); }
};
//@} hash-based
#undef PB_DS_GP_HASH_BASE
/**
* @defgroup branch-based Branch-Based
* @ingroup containers-pbds
* @{
*/
#define PB_DS_BRANCH_BASE \
detail::container_base_dispatch<Key, Mapped, _Alloc, Tag, Policy_Tl>::type
/**
* @defgroup branch-detail Base and Policy Classes
* @ingroup branch-based
*/
/**
* A branched, tree-like (tree, trie) container abstraction.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Tag Instantiating data structure type,
* see container_tag.
* @tparam Node_Update Updates nodes, restores invariants.
* @tparam Policy_TL Policy typelist.
* @tparam _Alloc Allocator type.
*
* Base is dispatched at compile time via Tag, from the following
* choices: tree_tag, trie_tag, and their descendants.
*
* Base choices are: detail::ov_tree_map, detail::rb_tree_map,
* detail::splay_tree_map, and detail::pat_trie_map.
*/
template<typename Key, typename Mapped, typename Tag,
typename Node_Update, typename Policy_Tl, typename _Alloc>
class basic_branch : public PB_DS_BRANCH_BASE
{
private:
typedef typename PB_DS_BRANCH_BASE base_type;
public:
typedef Node_Update node_update;
virtual
~basic_branch() { }
protected:
basic_branch() { }
basic_branch(const basic_branch& other)
: base_type((const base_type&)other) { }
template<typename T0>
basic_branch(T0 t0) : base_type(t0) { }
template<typename T0, typename T1>
basic_branch(T0 t0, T1 t1) : base_type(t0, t1) { }
template<typename T0, typename T1, typename T2>
basic_branch(T0 t0, T1 t1, T2 t2) : base_type(t0, t1, t2) { }
template<typename T0, typename T1, typename T2, typename T3>
basic_branch(T0 t0, T1 t1, T2 t2, T3 t3)
: base_type(t0, t1, t2, t3) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4>
basic_branch(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4)
: base_type(t0, t1, t2, t3, t4) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5>
basic_branch(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5)
: base_type(t0, t1, t2, t3, t4, t5) { }
template<typename T0, typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6>
basic_branch(T0 t0, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6)
: base_type(t0, t1, t2, t3, t4, t5, t6) { }
};
#undef PB_DS_BRANCH_BASE
#define PB_DS_TREE_NODE_AND_IT_TRAITS \
detail::tree_traits<Key, Mapped,Cmp_Fn,Node_Update,Tag,_Alloc>
#define PB_DS_TREE_BASE \
basic_branch<Key,Mapped, Tag, \
typename PB_DS_TREE_NODE_AND_IT_TRAITS::node_update, \
typename __gnu_cxx::typelist::create2<Cmp_Fn, \
PB_DS_TREE_NODE_AND_IT_TRAITS>::type, _Alloc>
/**
* A tree-based container.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Cmp_Fn Comparison functor.
* @tparam Tag Instantiating data structure type,
* see container_tag.
* @tparam Node_Update Updates tree internal-nodes,
* restores invariants when invalidated.
* XXX See design::tree-based-containers::node invariants.
* @tparam _Alloc Allocator type.
*
* Base tag choices are: ov_tree_tag, rb_tree_tag, splay_tree_tag.
*
* Base is basic_branch.
*/
template<typename Key, typename Mapped, typename Cmp_Fn = std::less<Key>,
typename Tag = rb_tree_tag,
template<typename Node_CItr, typename Node_Itr,
typename Cmp_Fn_, typename _Alloc_>
class Node_Update = null_node_update,
typename _Alloc = std::allocator<char> >
class tree : public PB_DS_TREE_BASE
{
private:
typedef PB_DS_TREE_BASE base_type;
public:
/// Comparison functor type.
typedef Cmp_Fn cmp_fn;
tree() { }
/// Constructor taking some policy objects. r_cmp_fn will be
/// copied by the Cmp_Fn object of the container object.
tree(const cmp_fn& c)
: base_type(c) { }
/// Constructor taking __iterators to a range of value_types. The
/// value_types between first_it and last_it will be inserted into
/// the container object.
template<typename It>
tree(It first, It last)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects The value_types between first_it and
/// last_it will be inserted into the container object. r_cmp_fn
/// will be copied by the cmp_fn object of the container object.
template<typename It>
tree(It first, It last, const cmp_fn& c)
: base_type(c)
{ base_type::copy_from_range(first, last); }
tree(const tree& other)
: base_type((const base_type&)other) { }
virtual
~tree() { }
tree&
operator=(const tree& other)
{
if (this != &other)
{
tree tmp(other);
swap(tmp);
}
return *this;
}
void
swap(tree& other)
{ base_type::swap(other); }
};
#undef PB_DS_TREE_BASE
#undef PB_DS_TREE_NODE_AND_IT_TRAITS
#define PB_DS_TRIE_NODE_AND_IT_TRAITS \
detail::trie_traits<Key,Mapped,_ATraits,Node_Update,Tag,_Alloc>
#define PB_DS_TRIE_BASE \
basic_branch<Key,Mapped,Tag, \
typename PB_DS_TRIE_NODE_AND_IT_TRAITS::node_update, \
typename __gnu_cxx::typelist::create2<_ATraits, \
PB_DS_TRIE_NODE_AND_IT_TRAITS >::type, _Alloc>
/**
* A trie-based container.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam _ATraits Element access traits.
* @tparam Tag Instantiating data structure type,
* see container_tag.
* @tparam Node_Update Updates trie internal-nodes,
* restores invariants when invalidated.
* XXX See design::tree-based-containers::node invariants.
* @tparam _Alloc Allocator type.
*
* Base tag choice is pat_trie_tag.
*
* Base is basic_branch.
*/
template<typename Key,
typename Mapped,
typename _ATraits = \
typename detail::default_trie_access_traits<Key>::type,
typename Tag = pat_trie_tag,
template<typename Node_CItr,
typename Node_Itr,
typename _ATraits_,
typename _Alloc_>
class Node_Update = null_node_update,
typename _Alloc = std::allocator<char> >
class trie : public PB_DS_TRIE_BASE
{
private:
typedef PB_DS_TRIE_BASE base_type;
public:
/// Element access traits type.
typedef _ATraits access_traits;
trie() { }
/// Constructor taking some policy objects. r_access_traits will
/// be copied by the _ATraits object of the container object.
trie(const access_traits& t)
: base_type(t) { }
/// Constructor taking __iterators to a range of value_types. The
/// value_types between first_it and last_it will be inserted into
/// the container object.
template<typename It>
trie(It first, It last)
{ base_type::copy_from_range(first, last); }
/// Constructor taking __iterators to a range of value_types and
/// some policy objects. The value_types between first_it and
/// last_it will be inserted into the container object.
template<typename It>
trie(It first, It last, const access_traits& t)
: base_type(t)
{ base_type::copy_from_range(first, last); }
trie(const trie& other)
: base_type((const base_type&)other) { }
virtual
~trie() { }
trie&
operator=(const trie& other)
{
if (this != &other)
{
trie tmp(other);
swap(tmp);
}
return *this;
}
void
swap(trie& other)
{ base_type::swap(other); }
};
//@} branch-based
#undef PB_DS_TRIE_BASE
#undef PB_DS_TRIE_NODE_AND_IT_TRAITS
/**
* @defgroup list-based List-Based
* @ingroup containers-pbds
* @{
*/
#define PB_DS_LU_BASE \
detail::container_base_dispatch<Key, Mapped, _Alloc, list_update_tag, \
typename __gnu_cxx::typelist::create2<Eq_Fn, Update_Policy>::type>::type
/**
* A list-update based associative container.
*
* @tparam Key Key type.
* @tparam Mapped Map type.
* @tparam Eq_Fn Equal functor.
* @tparam Update_Policy Update policy, determines when an element
* will be moved to the front of the list.
* @tparam _Alloc Allocator type.
*
* Base is detail::lu_map.
*/
template<typename Key,
typename Mapped,
class Eq_Fn = typename detail::default_eq_fn<Key>::type,
class Update_Policy = detail::default_update_policy::type,
class _Alloc = std::allocator<char> >
class list_update : public PB_DS_LU_BASE
{
private:
typedef typename PB_DS_LU_BASE base_type;
public:
typedef list_update_tag container_category;
typedef Eq_Fn eq_fn;
typedef Update_Policy update_policy;
list_update() { }
/// Constructor taking __iterators to a range of value_types. The
/// value_types between first_it and last_it will be inserted into
/// the container object.
template<typename It>
list_update(It first, It last)
{ base_type::copy_from_range(first, last); }
list_update(const list_update& other)
: base_type((const base_type&)other) { }
virtual
~list_update() { }
list_update&
operator=(const list_update& other)
{
if (this !=& other)
{
list_update tmp(other);
swap(tmp);
}
return *this;
}
void
swap(list_update& other)
{ base_type::swap(other); }
};
//@} list-based
#undef PB_DS_LU_BASE
// @} group containers-pbds
} // namespace __gnu_pbds
#endif