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// -*- C++ -*-
 
// Copyright (C) 2005 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 2, 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.
 
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
 
// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
 
// 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 cc_ht_map_.hpp
 * Contains an implementation class for cc_ht_map_.
 */
 
#include <utility>
#include <iterator>
#include <ext/pb_assoc/detail/cond_dealtor.hpp>
#include <ext/pb_assoc/trivial_iterator_def.hpp>
#include <ext/pb_assoc/detail/hash_fn/ranged_hash_fn.hpp>
#include <ext/pb_assoc/detail/hash_types_traits.hpp>
#include <ext/pb_assoc/detail/types_traits.hpp>
#include <ext/pb_assoc/exception.hpp>
#include <ext/pb_assoc/detail/map_debug_base.hpp>
#include <ext/pb_assoc/detail/eq_fn/hash_eq_fn.hpp>
 
namespace pb_assoc
{
 
  namespace detail
  {
 
#ifdef PB_ASSOC_CC_HT_MAP_DEBUG
#define PB_ASSOC_DBG_ASSERT(X) assert(X)
#define PB_ASSOC_DBG_VERIFY(X) assert(X)
#define PB_ASSOC_DBG_ONLY(X) X
#else // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
#define PB_ASSOC_DBG_ASSERT(X)
#define PB_ASSOC_DBG_VERIFY(X) {if((X)==0);}
#define PB_ASSOC_DBG_ONLY(X) ;
#endif // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
 
#define PB_ASSOC_CLASS_T_DEC \
	template< \
		typename Key, \
		typename Data, \
		class Hash_Fn, \
		class Eq_Fn, \
		class Allocator, \
		bool Store_Hash, \
		class Comb_Hash_Fn, \
		class Resize_Policy>
 
#ifdef PB_ASSOC_DATA_TRUE_INDICATOR
#define PB_ASSOC_CLASS_NAME \
	cc_ht_map_data_
#endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
 
#ifdef PB_ASSOC_DATA_FALSE_INDICATOR
#define PB_ASSOC_CLASS_NAME \
	cc_ht_map_no_data_
#endif // #ifdef PB_ASSOC_DATA_FALSE_INDICATOR
 
#define PB_ASSOC_CLASS_C_DEC \
	PB_ASSOC_CLASS_NAME< \
		Key, \
		Data, \
		Hash_Fn, \
		Eq_Fn, \
		Allocator, \
		Store_Hash, \
		Comb_Hash_Fn, \
		Resize_Policy >
 
#define PB_ASSOC_HASH_EQ_FN_C_DEC \
	pb_assoc::detail::hash_eq_fn< \
		Key, \
		Eq_Fn, \
		Allocator, \
		Store_Hash>
 
#define PB_ASSOC_RANGED_HASH_FN_C_DEC \
	pb_assoc::detail::ranged_hash_fn< \
		Key, \
		Hash_Fn, \
		Allocator, \
		Comb_Hash_Fn, \
		Store_Hash>
 
#define PB_ASSOC_TYPES_TRAITS_C_DEC \
	types_traits< \
		Key, \
		Data, \
		Allocator>
 
#define PB_ASSOC_HASH_TYPES_TRAITS_C_DEC \
	hash_types_traits< \
		typename Allocator::size_type, \
		Store_Hash>
 
#ifdef PB_ASSOC_USE_MAP_DEBUG_BASE
#define PB_ASSOC_MAP_DEBUG_BASE_C_DEC \
	pb_assoc::detail::map_debug_base< \
		Key, \
		Eq_Fn>
#endif // #ifdef PB_ASSOC_USE_MAP_DEBUG_BASE
 
#ifdef PB_ASSOC_DATA_TRUE_INDICATOR
#define PB_ASSOC_V2F(X) (X).first
#define PB_ASSOC_V2S(X) (X).second
#endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
 
#ifdef PB_ASSOC_DATA_FALSE_INDICATOR
#define PB_ASSOC_V2F(X) (X)
#define PB_ASSOC_V2S(X) Mapped_Data()
#endif // #ifdef PB_ASSOC_DATA_FALSE_INDICATOR
 
#define PB_ASSOC_STATIC_ASSERT(UNIQUE, E) \
	typedef \
		pb_assoc::detail::static_assert_dummy_class< \
			sizeof(pb_assoc::detail::static_assert<(bool)(E)>)> \
			UNIQUE##static_assert_type
 
    template<typename Key,
	     typename Data,
	     class Hash_Fn,
	     class Eq_Fn,
	     class Allocator,
	     bool Store_Hash,
	     class Comb_Hash_Fn,
	     class Resize_Policy >
    class PB_ASSOC_CLASS_NAME:
#ifdef PB_ASSOC_CC_HT_MAP_DEBUG
      protected PB_ASSOC_MAP_DEBUG_BASE_C_DEC,
#endif // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
      public PB_ASSOC_HASH_EQ_FN_C_DEC,
      public Resize_Policy,
      public PB_ASSOC_RANGED_HASH_FN_C_DEC,
      public PB_ASSOC_TYPES_TRAITS_C_DEC,
      public PB_ASSOC_HASH_TYPES_TRAITS_C_DEC
    {
 
    public:
 
      typedef typename Allocator::size_type size_type;
 
      typedef
      typename PB_ASSOC_TYPES_TRAITS_C_DEC::const_key_reference
      const_key_reference;
 
      typedef typename PB_ASSOC_TYPES_TRAITS_C_DEC::data_type data_type;
 
      typedef
      typename PB_ASSOC_TYPES_TRAITS_C_DEC::data_reference
      data_reference;
 
      typedef
      typename PB_ASSOC_TYPES_TRAITS_C_DEC::const_data_reference
      const_data_reference;
 
      typedef typename PB_ASSOC_TYPES_TRAITS_C_DEC::value_type value_type;
 
      typedef typename PB_ASSOC_TYPES_TRAITS_C_DEC::pointer pointer;
 
      typedef
      typename PB_ASSOC_TYPES_TRAITS_C_DEC::const_pointer
      const_pointer;
 
      typedef typename PB_ASSOC_TYPES_TRAITS_C_DEC::reference reference;
 
      typedef
      typename PB_ASSOC_TYPES_TRAITS_C_DEC::const_reference
      const_reference;
 
    protected:
 
      typedef typename PB_ASSOC_HASH_TYPES_TRAITS_C_DEC::comp_hash comp_hash;
 
      struct no_store_hash_entry
      {
	value_type m_value;
 
	typename Allocator::template rebind<
	  no_store_hash_entry>::other::pointer m_p_next;
      };
 
      struct store_hash_entry
      {
	value_type m_value;
 
	size_type m_hash;
 
	typename Allocator::template rebind<
	  store_hash_entry>::other::pointer m_p_next;
      };
 
      typedef
      typename cond_type<
	Store_Hash,
	store_hash_entry,
	no_store_hash_entry>::type
      entry;
 
      typedef
      typename Allocator::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 Allocator::template rebind<entry_pointer>::other
      entry_pointer_allocator;
 
      typedef typename entry_pointer_allocator::pointer entry_pointer_array;
 
      typedef value_type mapped_value_type;
 
      typedef pointer mapped_pointer;
 
      typedef const_pointer const_mapped_pointer;
 
      typedef reference mapped_reference;
 
      typedef const_reference const_mapped_reference;
 
#define PB_ASSOC_GEN_POS std::pair<entry_pointer, size_type>
 
#include <ext/pb_assoc/detail/unordered_iterator/const_find_iterator.hpp>
#include <ext/pb_assoc/detail/unordered_iterator/find_iterator.hpp>
#include <ext/pb_assoc/detail/unordered_iterator/const_iterator.hpp>
#include <ext/pb_assoc/detail/unordered_iterator/iterator.hpp>
 
#undef PB_ASSOC_GEN_POS
 
      typedef find_iterator_ find_iterator;
 
      typedef const_find_iterator_ const_find_iterator;
 
      typedef iterator_ iterator;
 
      typedef const_iterator_ const_iterator;
 
      typedef Hash_Fn hash_fn;
 
      typedef Eq_Fn eq_fn;
 
      typedef Allocator allocator;
 
      typedef Resize_Policy resize_policy;
 
    protected:
 
      PB_ASSOC_CLASS_NAME();
 
      PB_ASSOC_CLASS_NAME(const Hash_Fn& r_hash_fn);
 
      PB_ASSOC_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn);
 
      PB_ASSOC_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn);
 
      PB_ASSOC_CLASS_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn, const Comb_Hash_Fn& r_comb_hash_fn, const Resize_Policy& r_resize_policy);
 
      PB_ASSOC_CLASS_NAME(const PB_ASSOC_CLASS_C_DEC& r_other);
 
      virtual
      ~PB_ASSOC_CLASS_NAME();
 
      void
      swap(PB_ASSOC_CLASS_C_DEC& r_other);
 
      template<class It>
      void
      copy_from_range(It first_it, It last_it);
 
      inline size_type
      size() const;
 
      inline size_type
      max_size() const;
 
      inline bool
      empty() const;
 
      Hash_Fn& 
      get_hash_fn();
 
      const Hash_Fn& 
      get_hash_fn() const;
 
      Eq_Fn& 
      get_eq_fn();
 
      const Eq_Fn& 
      get_eq_fn() const;
 
      Comb_Hash_Fn& 
      get_comb_hash_fn();
 
      const Comb_Hash_Fn& 
      get_comb_hash_fn() const;
 
      Resize_Policy& 
      get_resize_policy();
 
      const Resize_Policy& 
      get_resize_policy() const;
 
      inline std::pair<find_iterator, bool>
      insert(const_reference r_val);
 
      inline data_reference
      subscript_imp(const_key_reference r_key);
 
      inline find_iterator
      find(const_key_reference r_key);
 
      inline const_find_iterator
      find(const_key_reference r_key) const;
 
      inline find_iterator
      find_end();
 
      inline const_find_iterator
      find_end() const;
 
      template<class T>
      inline size_type
      erase(T r_t, bool erase_entry_if_last, pb_assoc::detail::int_to_type<false>);
 
      template<class T>
      inline size_type
      erase(T r_t, bool erase_entry_if_last, pb_assoc::detail::int_to_type<true>);
 
      template<class Pred>
      inline size_type
      erase_if(Pred& r_pred);
 
      void
      clear();
 
      inline iterator
      begin();
 
      inline const_iterator
      begin() const;
 
      inline iterator
      end();
 
      inline const_iterator
      end() const;
 
#ifdef PB_ASSOC_CC_HT_MAP_DEBUG
 
      virtual void
      assert_valid() const;
 
#endif // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
 
      virtual void
      do_resize(size_type new_size);
 
    private:
 
      typedef PB_ASSOC_TYPES_TRAITS_C_DEC my_traits_base;
 
      typedef PB_ASSOC_HASH_TYPES_TRAITS_C_DEC my_hash_traits_base;
 
      typedef PB_ASSOC_RANGED_HASH_FN_C_DEC my_ranged_hash_fn_base;
 
      typedef PB_ASSOC_HASH_EQ_FN_C_DEC my_hash_eq_fn_base;
 
      typedef Resize_Policy my_resize_base;
 
#ifdef PB_ASSOC_USE_MAP_DEBUG_BASE
      typedef PB_ASSOC_MAP_DEBUG_BASE_C_DEC my_map_debug_base;
#endif // #ifdef PB_ASSOC_USE_MAP_DEBUG_BASE
 
    private:
 
      inline bool
      do_resize_if_needed();
 
      inline void
      do_resize_if_needed_no_throw();
 
      void
      resize_imp_no_exceptions(size_type new_size, entry_pointer_array a_p_entries_resized, size_type old_size);
 
      inline entry_pointer
      resize_imp_no_exceptions_reassign_pointer(entry_pointer p_e, entry_pointer_array a_p_entries_resized, int_to_type<false>);
 
      inline entry_pointer
      resize_imp_no_exceptions_reassign_pointer(entry_pointer p_e, entry_pointer_array a_p_entries_resized, int_to_type<true>);
 
      template<class For_Each_Fn>
      void
      do_for_each(For_Each_Fn fn);
 
      void
      deallocate_links_in_list(entry_pointer p_e);
 
      inline entry_pointer
      get_entry(const_reference r_val, int_to_type<false>);
 
      inline entry_pointer
      get_entry(const_reference r_val, int_to_type<true>);
 
      inline void
      rels_entry(entry_pointer p_e);
 
      void
      constructor_insert_new_imp(const_reference r_val, size_type pos, int_to_type<false>);
 
      void
      constructor_insert_new_imp(const_reference r_val, size_type pos, int_to_type<true>);
 
      void
      deallocate_all();
 
      inline data_reference
      subscript_imp(const_key_reference r_key, int_to_type<false>);
 
      inline data_reference
      subscript_imp(const_key_reference r_key, int_to_type<true>);
 
      inline std::pair<find_iterator, bool>
      insert_imp(const_reference r_val, int_to_type<false>);
 
      inline std::pair<find_iterator, bool>
      insert_imp(const_reference r_val, int_to_type<true>);
 
      inline pointer
      insert_new_imp(const_reference r_val, size_type pos);
 
      inline pointer
      insert_new_imp(const_reference r_val, comp_hash& r_pos_hash_pair);
 
      inline const_data_reference
      const_subscript_imp(const_key_reference r_key, int_to_type<false>) const;
 
      inline const_data_reference
      const_subscript_imp(const_key_reference r_key, int_to_type<true>) const;
 
      inline pointer
      find_key_pointer(const_key_reference r_key, int_to_type<false>);
 
      inline pointer
      find_key_pointer(const_key_reference r_key, int_to_type<true>);
 
      template<class T>
      inline size_type
      erase_in_pos_imp(T r_t, bool erase_entry_if_last, size_type pos);
 
      template<class T>
      inline size_type
      erase_in_pos_imp(T r_t, bool erase_entry_if_last, const comp_hash& r_pos_hash_pair);
 
      inline void
      erase_entry_pointer(entry_pointer& r_p_e);
 
#ifdef PB_ASSOC_DATA_TRUE_INDICATOR
      void
      inc_it_state(pointer& r_p_value, std::pair<entry_pointer, size_type>& r_pos) const;
#endif // #ifdef PB_ASSOC_DATA_TRUE_INDICATOR
 
      void
      inc_it_state(const_pointer& r_p_value, std::pair<entry_pointer, size_type>& r_pos) const;
 
      void
      get_start_it_state(pointer& r_p_value, std::pair<entry_pointer, size_type>& r_pos) const;
 
#ifdef PB_ASSOC_CC_HT_MAP_DEBUG
 
      void
      assert_entry_pointer_array_valid(const entry_pointer_array a_p_entries) const;
 
      void
      assert_entry_pointer_valid(const entry_pointer p_e, store_hash_true_indicator) const;
 
      void
      assert_entry_pointer_valid(const entry_pointer p_e, store_hash_false_indicator) const;
 
#endif // #ifdef PB_ASSOC_CC_HT_MAP_DEBUG
 
    private:
      static entry_allocator s_entry_allocator;
 
      static entry_pointer_allocator s_entry_pointer_allocator;
 
      typedef
      pb_assoc::detail::cond_dealtor<
	entry,
	Allocator>
      cond_dealtor_t;
 
      entry_pointer_array m_a_p_entries;
 
      size_type m_num_e_p;
 
      size_type m_num_used_e;
 
      friend class iterator_;
 
      friend class const_iterator_;
 
      static iterator s_end_it;
 
      static const_iterator s_const_end_it;
 
      static find_iterator s_find_end_it;
 
      static const_find_iterator s_const_find_end_it;
 
      enum
	{
	  store_hash_ok =
	  !Store_Hash ||
	  !pb_assoc::detail::is_same_type<
	  Hash_Fn,
	  pb_assoc::null_hash_fn>::value
	};
 
      PB_ASSOC_STATIC_ASSERT(sth, store_hash_ok);
    };
 
#include <ext/pb_assoc/detail/cc_ht_map_/constructor_destructor_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/entry_list_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/find_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/resize_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/debug_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/size_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/policy_access_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/erase_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/iterators_fn_imps.hpp>
#include <ext/pb_assoc/detail/cc_ht_map_/insert_fn_imps.hpp>
 
#undef PB_ASSOC_CLASS_T_DEC
 
#undef PB_ASSOC_CLASS_C_DEC
 
#undef PB_ASSOC_HASH_EQ_FN_C_DEC
 
#undef PB_ASSOC_RANGED_HASH_FN_C_DEC
 
#undef PB_ASSOC_TYPES_TRAITS_C_DEC
 
#undef PB_ASSOC_HASH_TYPES_TRAITS_C_DEC
 
#undef PB_ASSOC_MAP_DEBUG_BASE_C_DEC
 
#undef PB_ASSOC_CLASS_NAME
 
#undef PB_ASSOC_V2F
#undef PB_ASSOC_V2S
 
#undef PB_ASSOC_DBG_ASSERT
#undef PB_ASSOC_DBG_VERIFY
#undef PB_ASSOC_DBG_ONLY
 
#undef PB_ASSOC_STATIC_ASSERT
 
  } // namespace detail
 
} // namespace pb_assoc