--- /dev/null
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 2010, 2011 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 list_update_map_/lu_map_.hpp
+ * Contains a list update map.
+ */
+
+#include <utility>
+#include <iterator>
+#include <ext/pb_ds/detail/cond_dealtor.hpp>
+#include <ext/pb_ds/tag_and_trait.hpp>
+#include <ext/pb_ds/detail/types_traits.hpp>
+#include <ext/pb_ds/detail/list_update_map_/entry_metadata_base.hpp>
+#include <ext/pb_ds/exception.hpp>
+#ifdef _GLIBCXX_DEBUG
+#include <ext/pb_ds/detail/debug_map_base.hpp>
+#endif
+#ifdef PB_DS_LU_MAP_TRACE_
+#include <iostream>
+#endif
+#include <debug/debug.h>
+
+namespace __gnu_pbds
+{
+ namespace detail
+ {
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+#define PB_DS_LU_NAME lu_map
+#endif
+
+#ifdef PB_DS_DATA_FALSE_INDICATOR
+#define PB_DS_LU_NAME lu_set
+#endif
+
+#define PB_DS_CLASS_T_DEC \
+ template<typename Key, typename Mapped, typename Eq_Fn, \
+ typename _Alloc, typename Update_Policy>
+
+#define PB_DS_CLASS_C_DEC \
+ PB_DS_LU_NAME<Key, Mapped, Eq_Fn, _Alloc, Update_Policy>
+
+#define PB_DS_LU_TRAITS_BASE \
+ types_traits<Key, Mapped, _Alloc, false>
+
+#ifdef _GLIBCXX_DEBUG
+#define PB_DS_DEBUG_MAP_BASE_C_DEC \
+ debug_map_base<Key, Eq_Fn, \
+ typename _Alloc::template rebind<Key>::other::const_reference>
+#endif
+
+ /// list-based (with updates) associative container.
+ /// Skip to the lu, my darling.
+ template<typename Key,
+ typename Mapped,
+ typename Eq_Fn,
+ typename _Alloc,
+ typename Update_Policy>
+ class PB_DS_LU_NAME :
+#ifdef _GLIBCXX_DEBUG
+ protected PB_DS_DEBUG_MAP_BASE_C_DEC,
+#endif
+ public PB_DS_LU_TRAITS_BASE
+ {
+ private:
+ typedef PB_DS_LU_TRAITS_BASE traits_base;
+
+ struct entry
+ : public lu_map_entry_metadata_base<typename Update_Policy::metadata_type>
+ {
+ typename traits_base::value_type m_value;
+ typename _Alloc::template rebind<entry>::other::pointer m_p_next;
+ };
+
+ typedef typename _Alloc::template rebind<entry>::other entry_allocator;
+ typedef typename entry_allocator::pointer entry_pointer;
+ typedef typename entry_allocator::const_pointer const_entry_pointer;
+ typedef typename entry_allocator::reference entry_reference;
+ typedef typename entry_allocator::const_reference const_entry_reference;
+
+ typedef typename _Alloc::template rebind<entry_pointer>::other entry_pointer_allocator;
+ typedef typename entry_pointer_allocator::pointer entry_pointer_array;
+
+ typedef typename traits_base::value_type value_type_;
+ typedef typename traits_base::pointer pointer_;
+ typedef typename traits_base::const_pointer const_pointer_;
+ typedef typename traits_base::reference reference_;
+ typedef typename traits_base::const_reference const_reference_;
+
+#define PB_DS_GEN_POS entry_pointer
+
+#include <ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp>
+#include <ext/pb_ds/detail/unordered_iterator/point_iterator.hpp>
+#include <ext/pb_ds/detail/unordered_iterator/const_iterator.hpp>
+#include <ext/pb_ds/detail/unordered_iterator/iterator.hpp>
+
+#undef PB_DS_GEN_POS
+
+
+#ifdef _GLIBCXX_DEBUG
+ typedef PB_DS_DEBUG_MAP_BASE_C_DEC debug_base;
+#endif
+
+ typedef cond_dealtor<entry, _Alloc> cond_dealtor_t;
+
+ public:
+ typedef _Alloc allocator_type;
+ typedef typename _Alloc::size_type size_type;
+ typedef typename _Alloc::difference_type difference_type;
+ typedef Eq_Fn eq_fn;
+ typedef Update_Policy update_policy;
+ typedef typename Update_Policy::metadata_type update_metadata;
+ typedef typename traits_base::key_type key_type;
+ typedef typename traits_base::key_pointer key_pointer;
+ typedef typename traits_base::key_const_pointer key_const_pointer;
+ typedef typename traits_base::key_reference key_reference;
+ typedef typename traits_base::key_const_reference key_const_reference;
+ typedef typename traits_base::mapped_type mapped_type;
+ typedef typename traits_base::mapped_pointer mapped_pointer;
+ typedef typename traits_base::mapped_const_pointer mapped_const_pointer;
+ typedef typename traits_base::mapped_reference mapped_reference;
+ typedef typename traits_base::mapped_const_reference mapped_const_reference;
+ typedef typename traits_base::value_type value_type;
+ typedef typename traits_base::pointer pointer;
+ typedef typename traits_base::const_pointer const_pointer;
+ typedef typename traits_base::reference reference;
+ typedef typename traits_base::const_reference const_reference;
+
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+ typedef point_iterator_ point_iterator;
+#endif
+
+#ifdef PB_DS_DATA_FALSE_INDICATOR
+ typedef point_const_iterator_ point_iterator;
+#endif
+
+ typedef point_const_iterator_ point_const_iterator;
+
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+ typedef iterator_ iterator;
+#endif
+
+#ifdef PB_DS_DATA_FALSE_INDICATOR
+ typedef const_iterator_ iterator;
+#endif
+
+ typedef const_iterator_ const_iterator;
+
+ public:
+ PB_DS_LU_NAME();
+
+ PB_DS_LU_NAME(const PB_DS_CLASS_C_DEC&);
+
+ virtual
+ ~PB_DS_LU_NAME();
+
+ template<typename It>
+ PB_DS_LU_NAME(It, It);
+
+ void
+ swap(PB_DS_CLASS_C_DEC&);
+
+ inline size_type
+ size() const;
+
+ inline size_type
+ max_size() const;
+
+ inline bool
+ empty() const;
+
+ inline mapped_reference
+ operator[](key_const_reference r_key)
+ {
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+ _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__, __LINE__);)
+ return insert(std::make_pair(r_key, mapped_type())).first->second;
+#else
+ insert(r_key);
+ return traits_base::s_null_type;
+#endif
+ }
+
+ inline std::pair<point_iterator, bool>
+ insert(const_reference);
+
+ inline point_iterator
+ find(key_const_reference r_key)
+ {
+ _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__, __LINE__);)
+ entry_pointer p_e = find_imp(r_key);
+ return point_iterator(p_e == 0 ? 0: &p_e->m_value);
+ }
+
+ inline point_const_iterator
+ find(key_const_reference r_key) const
+ {
+ _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__, __LINE__);)
+ entry_pointer p_e = find_imp(r_key);
+ return point_const_iterator(p_e == 0 ? 0: &p_e->m_value);
+ }
+
+ inline bool
+ erase(key_const_reference);
+
+ template<typename Pred>
+ inline size_type
+ erase_if(Pred);
+
+ void
+ clear();
+
+ inline iterator
+ begin();
+
+ inline const_iterator
+ begin() const;
+
+ inline iterator
+ end();
+
+ inline const_iterator
+ end() const;
+
+#ifdef _GLIBCXX_DEBUG
+ void
+ assert_valid(const char* file, int line) const;
+#endif
+
+#ifdef PB_DS_LU_MAP_TRACE_
+ void
+ trace() const;
+#endif
+
+ protected:
+
+ template<typename It>
+ void
+ copy_from_range(It, It);
+
+ private:
+#ifdef PB_DS_DATA_TRUE_INDICATOR
+ friend class iterator_;
+#endif
+
+ friend class const_iterator_;
+
+ inline entry_pointer
+ allocate_new_entry(const_reference, false_type);
+
+ inline entry_pointer
+ allocate_new_entry(const_reference, true_type);
+
+ template<typename Metadata>
+ inline static void
+ init_entry_metadata(entry_pointer, type_to_type<Metadata>);
+
+ inline static void
+ init_entry_metadata(entry_pointer, type_to_type<null_type>);
+
+ void
+ deallocate_all();
+
+ void
+ erase_next(entry_pointer);
+
+ void
+ actual_erase_entry(entry_pointer);
+
+ void
+ inc_it_state(const_pointer& r_p_value, entry_pointer& r_pos) const
+ {
+ r_pos = r_pos->m_p_next;
+ r_p_value = (r_pos == 0) ? 0 : &r_pos->m_value;
+ }
+
+ template<typename Metadata>
+ inline static bool
+ apply_update(entry_pointer, type_to_type<Metadata>);
+
+ inline static bool
+ apply_update(entry_pointer, type_to_type<null_type>);
+
+ inline entry_pointer
+ find_imp(key_const_reference) const;
+
+ static entry_allocator s_entry_allocator;
+ static Eq_Fn s_eq_fn;
+ static Update_Policy s_update_policy;
+ static type_to_type<update_metadata> s_metadata_type_indicator;
+ static null_type s_null_type;
+
+ mutable entry_pointer m_p_l;
+ };
+
+#include <ext/pb_ds/detail/list_update_map_/constructor_destructor_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/debug_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/find_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/insert_fn_imps.hpp>
+#include <ext/pb_ds/detail/list_update_map_/trace_fn_imps.hpp>
+
+#undef PB_DS_CLASS_T_DEC
+#undef PB_DS_CLASS_C_DEC
+#undef PB_DS_LU_TRAITS_BASE
+#undef PB_DS_DEBUG_MAP_BASE_C_DEC
+#undef PB_DS_LU_NAME
+ } // namespace detail
+} // namespace __gnu_pbds
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