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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/node_iterators.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/node_iterators.hpp | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/node_iterators.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/node_iterators.hpp deleted file mode 100644 index 37250091d..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/node_iterators.hpp +++ /dev/null @@ -1,338 +0,0 @@ -// -*- C++ -*- - -// Copyright (C) 2005, 2006, 2009 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 node_iterators.hpp - * Contains an implementation class for pat_trie_. - */ - -#ifndef PB_DS_PAT_TRIE_NODE_ITERATORS_HPP -#define PB_DS_PAT_TRIE_NODE_ITERATORS_HPP - -#include <debug/debug.h> - -namespace __gnu_pbds -{ - namespace detail - { - -#define PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC \ - pat_trie_const_node_it_< \ - Node, \ - Leaf, \ - Head, \ - Internal_Node, \ - Const_Iterator, \ - Iterator, \ - E_Access_Traits, \ - Allocator> - -#define PB_DS_PAT_TRIE_NODE_ITERATOR_C_DEC \ - pat_trie_node_it_< \ - Node, \ - Leaf, \ - Head, \ - Internal_Node, \ - Const_Iterator, \ - Iterator, \ - E_Access_Traits, \ - Allocator> - - // Const node iterator. - template<typename Node, - class Leaf, - class Head, - class Internal_Node, - class Const_Iterator, - class Iterator, - class E_Access_Traits, - class Allocator> - class pat_trie_const_node_it_ - { - protected: - typedef - typename Allocator::template rebind< - Node>::other::pointer - node_pointer; - - typedef - typename Allocator::template rebind< - Leaf>::other::const_pointer - const_leaf_pointer; - - typedef - typename Allocator::template rebind< - Leaf>::other::pointer - leaf_pointer; - - typedef - typename Allocator::template rebind< - Internal_Node>::other::pointer - internal_node_pointer; - - typedef - typename Allocator::template rebind< - Internal_Node>::other::const_pointer - const_internal_node_pointer; - - typedef - typename Allocator::template rebind< - E_Access_Traits>::other::const_pointer - const_e_access_traits_pointer; - - private: - inline typename E_Access_Traits::const_iterator - pref_begin() const - { - if (m_p_nd->m_type == pat_trie_leaf_node_type) - return (m_p_traits->begin( - m_p_traits->extract_key( - static_cast<const_leaf_pointer>(m_p_nd)->value()))); - - _GLIBCXX_DEBUG_ASSERT(m_p_nd->m_type == pat_trie_internal_node_type); - - return (static_cast<const_internal_node_pointer>(m_p_nd)->pref_b_it()); - } - - inline typename E_Access_Traits::const_iterator - pref_end() const - { - if (m_p_nd->m_type == pat_trie_leaf_node_type) - return (m_p_traits->end( - m_p_traits->extract_key( - static_cast<const_leaf_pointer>(m_p_nd)->value()))); - - _GLIBCXX_DEBUG_ASSERT(m_p_nd->m_type == pat_trie_internal_node_type); - - return (static_cast<const_internal_node_pointer>(m_p_nd)->pref_e_it()); - } - - public: - - // Size type. - typedef typename Allocator::size_type size_type; - - // Category. - typedef trivial_iterator_tag iterator_category; - - // Difference type. - typedef trivial_iterator_difference_type difference_type; - - // __Iterator's value type. - typedef Const_Iterator value_type; - - // __Iterator's reference type. - typedef value_type reference; - - // __Iterator's __const reference type. - typedef value_type const_reference; - - // Element access traits. - typedef E_Access_Traits e_access_traits; - - // A key's element __const iterator. - typedef typename e_access_traits::const_iterator const_e_iterator; - - // Metadata type. - typedef typename Node::metadata_type metadata_type; - - // Const metadata reference type. - typedef - typename Allocator::template rebind< - metadata_type>::other::const_reference - const_metadata_reference; - - // Default constructor. - /* - inline - pat_trie_const_node_it_() - */ - inline - pat_trie_const_node_it_(node_pointer p_nd = NULL, - const_e_access_traits_pointer p_traits = NULL) - : m_p_nd(const_cast<node_pointer>(p_nd)), m_p_traits(p_traits) - { } - - // Subtree valid prefix. - inline std::pair<const_e_iterator, const_e_iterator> - valid_prefix() const - { return std::make_pair(pref_begin(), pref_end()); } - - // Const access; returns the __const iterator* associated with - // the current leaf. - inline const_reference - operator*() const - { - _GLIBCXX_DEBUG_ASSERT(num_children() == 0); - return Const_Iterator(m_p_nd); - } - - // Metadata access. - inline const_metadata_reference - get_metadata() const - { return m_p_nd->get_metadata(); } - - // Returns the number of children in the corresponding node. - inline size_type - num_children() const - { - if (m_p_nd->m_type == pat_trie_leaf_node_type) - return 0; - _GLIBCXX_DEBUG_ASSERT(m_p_nd->m_type == pat_trie_internal_node_type); - return std::distance(static_cast<internal_node_pointer>(m_p_nd)->begin(), static_cast<internal_node_pointer>(m_p_nd)->end()); - } - - // Returns a __const node __iterator to the corresponding node's - // i-th child. - PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC - get_child(size_type i) const - { - _GLIBCXX_DEBUG_ASSERT(m_p_nd->m_type == pat_trie_internal_node_type); - typename Internal_Node::iterator it = - static_cast<internal_node_pointer>(m_p_nd)->begin(); - - std::advance(it, i); - return PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC(*it, m_p_traits); - } - - // Compares content to a different iterator object. - inline bool - operator==(const PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC& other) const - { return (m_p_nd == other.m_p_nd); } - - // Compares content (negatively) to a different iterator object. - inline bool - operator!=(const PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC& other) const - { return m_p_nd != other.m_p_nd; } - - private: - - friend class PB_DS_CLASS_C_DEC; - - public: - node_pointer m_p_nd; - - const_e_access_traits_pointer m_p_traits; - }; - - // Node iterator. - template<typename Node, - class Leaf, - class Head, - class Internal_Node, - class Const_Iterator, - class Iterator, - class E_Access_Traits, - class Allocator> - class pat_trie_node_it_ : - public PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC - - { - private: - typedef - typename Allocator::template rebind< - Node>::other::pointer - node_pointer; - - typedef Iterator iterator; - - typedef PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC base_type; - - typedef - typename base_type::const_e_access_traits_pointer - const_e_access_traits_pointer; - - typedef typename base_type::internal_node_pointer internal_node_pointer; - - public: - - // Size type. - typedef - typename PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC::size_type - size_type; - - // __Iterator's value type. - typedef Iterator value_type; - - // __Iterator's reference type. - typedef value_type reference; - - // __Iterator's __const reference type. - typedef value_type const_reference; - - // Default constructor. - /* - inline - pat_trie_node_it_() ; - */ - - inline - pat_trie_node_it_(node_pointer p_nd = NULL, const_e_access_traits_pointer p_traits = NULL) : base_type(p_nd, p_traits) - { } - - // Access; returns the iterator* associated with the current leaf. - inline reference - operator*() const - { - _GLIBCXX_DEBUG_ASSERT(base_type::num_children() == 0); - return Iterator(base_type::m_p_nd); - - } - - // Returns a node __iterator to the corresponding node's i-th child. - PB_DS_PAT_TRIE_NODE_ITERATOR_C_DEC - get_child(size_type i) const - { - _GLIBCXX_DEBUG_ASSERT(base_type::m_p_nd->m_type == pat_trie_internal_node_type); - - typename Internal_Node::iterator it = - static_cast<internal_node_pointer>(base_type::m_p_nd)->begin(); - - std::advance(it, i); - return PB_DS_PAT_TRIE_NODE_ITERATOR_C_DEC(*it, base_type::m_p_traits); - } - - private: - friend class PB_DS_CLASS_C_DEC; - }; - -#undef PB_DS_PAT_TRIE_CONST_NODE_ITERATOR_C_DEC -#undef PB_DS_PAT_TRIE_NODE_ITERATOR_C_DEC - - } // namespace detail -} // namespace __gnu_pbds - -#endif - |