pat_trie_/traits.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
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// of the GNU General Public License as published by the Free Software
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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/**
* @file pat_trie_/traits.hpp
* Contains an implementation class for pat_trie_.
*/
#ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
#define PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
#include <ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp>
#include <ext/pb_ds/detail/pat_trie_/synth_access_traits.hpp>
namespace __gnu_pbds
{
namespace detail
{
/// Specialization.
/// @ingroup traits
template<typename Key,
typename Mapped,
typename _ATraits,
template<typename Node_CItr,
typename Node_Itr,
typename Cmp_Fn_,
typename _Alloc_>
class Node_Update,
typename _Alloc>
struct trie_traits<Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc>
{
private:
typedef pat_trie_base base_type;
typedef types_traits<Key, Mapped, _Alloc, false> type_traits;
public:
typedef typename trie_node_metadata_dispatch<Key, Mapped, _ATraits, Node_Update, _Alloc>::type metadata_type;
typedef base_type::_Metadata<metadata_type, _Alloc> metadata;
typedef _ATraits access_traits;
/// Type for synthesized traits.
typedef __gnu_pbds::detail::synth_access_traits<type_traits, false, access_traits> synth_access_traits;
typedef base_type::_Node_base<synth_access_traits, metadata> node;
typedef base_type::_Head<synth_access_traits, metadata> head;
typedef base_type::_Leaf<synth_access_traits, metadata> leaf;
typedef base_type::_Inode<synth_access_traits, metadata> inode;
typedef base_type::_Iter<node, leaf, head, inode, true> iterator;
typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator;
typedef base_type::_Iter<node, leaf, head, inode, false> reverse_iterator;
typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator;
/// This is an iterator to an iterator: it iterates over nodes,
/// and de-referencing it returns one of the tree's iterators.
typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator;
typedef base_type::_Node_iter<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_iterator;
/// Type for node update.
typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
typedef null_node_update<node_const_iterator, node_iterator, _ATraits, _Alloc>* null_node_update_pointer;
};
/// Specialization.
/// @ingroup traits
template<typename Key,
typename _ATraits,
template<typename Node_CItr,
typename Node_Itr,
typename Cmp_Fn_,
typename _Alloc_>
class Node_Update,
typename _Alloc>
struct trie_traits<Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc>
{
private:
typedef pat_trie_base base_type;
typedef types_traits<Key, null_type, _Alloc, false> type_traits;
public:
typedef typename trie_node_metadata_dispatch<Key, null_type, _ATraits, Node_Update, _Alloc>::type metadata_type;
typedef base_type::_Metadata<metadata_type, _Alloc> metadata;
typedef _ATraits access_traits;
/// Type for synthesized traits.
typedef __gnu_pbds::detail::synth_access_traits<type_traits, true, access_traits> synth_access_traits;
typedef base_type::_Node_base<synth_access_traits, metadata> node;
typedef base_type::_Head<synth_access_traits, metadata> head;
typedef base_type::_Leaf<synth_access_traits, metadata> leaf;
typedef base_type::_Inode<synth_access_traits, metadata> inode;
typedef base_type::_CIter<node, leaf, head, inode, true> const_iterator;
typedef const_iterator iterator;
typedef base_type::_CIter<node, leaf, head, inode, false> const_reverse_iterator;
typedef const_reverse_iterator reverse_iterator;
/// This is an iterator to an iterator: it iterates over nodes,
/// and de-referencing it returns one of the tree's iterators.
typedef base_type::_Node_citer<node, leaf, head, inode, const_iterator, iterator, _Alloc> node_const_iterator;
typedef node_const_iterator node_iterator;
/// Type for node update.
typedef Node_Update<node_const_iterator, node_iterator, _ATraits, _Alloc> node_update;
typedef null_node_update<node_const_iterator, node_const_iterator, _ATraits, _Alloc>* null_node_update_pointer;
};
} // namespace detail
} // namespace __gnu_pbds
#endif // #ifndef PB_DS_PAT_TRIE_NODE_AND_IT_TRAITS_HPP
pat_trie_base.hpp
synth_access_traits.hpp
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition: assoc_container.hpp:52
__gnu_pbds::pat_trie_tag
PATRICIA trie.
Definition: tag_and_trait.hpp:165
__gnu_pbds::null_type
Represents no type, or absence of type, for template tricks.
Definition: tag_and_trait.hpp:210
__gnu_pbds::null_node_update
A null node updator, indicating that no node updates are required.
Definition: tag_and_trait.hpp:215
__gnu_pbds::detail::types_traits< Key, Mapped, _Alloc, false >
__gnu_pbds::detail::trie_traits
Trie traits class, primary template.
Definition: branch_policy/traits.hpp:83
__gnu_pbds::detail::pat_trie_base
Base type for PATRICIA trees.
Definition: pat_trie_base.hpp:52
__gnu_pbds::detail::pat_trie_base::_Metadata
Metadata base primary template.
Definition: pat_trie_base.hpp:68
__gnu_pbds::detail::pat_trie_base::_Node_base
Node base.
Definition: pat_trie_base.hpp:94
__gnu_pbds::detail::pat_trie_base::_Head
Head node for PATRICIA tree.
Definition: pat_trie_base.hpp:133
__gnu_pbds::detail::pat_trie_base::_Leaf
Leaf node for PATRICIA tree.
Definition: pat_trie_base.hpp:164
__gnu_pbds::detail::pat_trie_base::_Inode
Internal node type, PATRICIA tree.
Definition: pat_trie_base.hpp:213
__gnu_pbds::detail::pat_trie_base::_CIter
Const iterator.
Definition: pat_trie_base.hpp:488
__gnu_pbds::detail::pat_trie_base::_Iter
Iterator.
Definition: pat_trie_base.hpp:711
__gnu_pbds::detail::pat_trie_base::_Node_citer
Node const iterator.
Definition: pat_trie_base.hpp:811
__gnu_pbds::detail::pat_trie_base::_Node_iter
Node iterator.
Definition: pat_trie_base.hpp:936
__gnu_pbds::detail::synth_access_traits
Synthetic element access traits.
Definition: synth_access_traits.hpp:60
__gnu_pbds::detail::trie_traits< Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc >::synth_access_traits
__gnu_pbds::detail::synth_access_traits< type_traits, false, access_traits > synth_access_traits
Type for synthesized traits.
Definition: pat_trie_/traits.hpp:74
__gnu_pbds::detail::trie_traits< Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc >::node_update
Node_Update< node_const_iterator, node_iterator, _ATraits, _Alloc > node_update
Type for node update.
Definition: pat_trie_/traits.hpp:93
__gnu_pbds::detail::trie_traits< Key, Mapped, _ATraits, Node_Update, pat_trie_tag, _Alloc >::node_const_iterator
base_type::_Node_citer< node, leaf, head, inode, const_iterator, iterator, _Alloc > node_const_iterator
This is an iterator to an iterator: it iterates over nodes, and de-referencing it returns one of the ...
Definition: pat_trie_/traits.hpp:88
__gnu_pbds::detail::trie_traits< Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc >::node_update
Node_Update< node_const_iterator, node_iterator, _ATraits, _Alloc > node_update
Type for node update.
Definition: pat_trie_/traits.hpp:140
__gnu_pbds::detail::trie_traits< Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc >::synth_access_traits
__gnu_pbds::detail::synth_access_traits< type_traits, true, access_traits > synth_access_traits
Type for synthesized traits.
Definition: pat_trie_/traits.hpp:121
__gnu_pbds::detail::trie_traits< Key, null_type, _ATraits, Node_Update, pat_trie_tag, _Alloc >::node_const_iterator
base_type::_Node_citer< node, leaf, head, inode, const_iterator, iterator, _Alloc > node_const_iterator
This is an iterator to an iterator: it iterates over nodes, and de-referencing it returns one of the ...
Definition: pat_trie_/traits.hpp:135