3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
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14 // General Public License for more details.
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31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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43 * @file insert_store_hash_fn_imps.hpp
44 * Contains implementations of gp_ht_map_'s find related functions, when the hash
49 inline typename PB_DS_CLASS_C_DEC::comp_hash
51 find_ins_pos(const_key_reference r_key, store_hash_true_type)
53 PB_DS_DBG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();)
55 comp_hash pos_hash_pair = ranged_probe_fn_base::operator()(r_key);
59 /* The insertion position is initted to a non-legal value to indicate
60 * that it has not been initted yet.
62 size_type ins_pos = m_num_e;
64 resize_base::notify_insert_search_start();
66 for (i = 0; i < m_num_e; ++i)
69 ranged_probe_fn_base::operator()(r_key, pos_hash_pair.second, i);
71 entry* const p_e = m_a_entries + pos;
75 case empty_entry_status:
77 resize_base::notify_insert_search_end();
80 map_debug_base::check_key_does_not_exist(r_key);)
82 return ((ins_pos == m_num_e)?
83 std::make_pair(pos, pos_hash_pair.second) :
84 std::make_pair(ins_pos, pos_hash_pair.second));
87 case erased_entry_status:
88 if (ins_pos == m_num_e)
91 case valid_entry_status:
92 if (hash_eq_fn_base::operator()(
93 PB_DS_V2F(p_e->m_value),
96 pos_hash_pair.second))
98 resize_base::notify_insert_search_end();
100 PB_DS_DBG_ONLY(map_debug_base::check_key_exists(r_key);)
102 return (std::make_pair(pos, pos_hash_pair.second));
109 resize_base::notify_insert_search_collision();
112 resize_base::notify_insert_search_end();
114 if (ins_pos == m_num_e)
115 throw insert_error();
117 return (std::make_pair(ins_pos, pos_hash_pair.second));
121 inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
123 insert_imp(const_reference r_val, store_hash_true_type)
125 const_key_reference r_key = PB_DS_V2F(r_val);
127 comp_hash pos_hash_pair =
128 find_ins_pos(r_key, traits_base::m_store_extra_indicator);
130 PB_DS_DBG_ASSERT(pos_hash_pair.first < m_num_e);
132 entry_pointer p_e =& m_a_entries[pos_hash_pair.first];
134 if (p_e->m_stat == valid_entry_status)
136 PB_DS_DBG_ONLY(map_debug_base::check_key_exists(r_key));
138 return (std::make_pair(&p_e->m_value, false));
141 PB_DS_DBG_ONLY(map_debug_base::check_key_does_not_exist(r_key));
143 return (std::make_pair(
144 insert_new_imp(r_val, pos_hash_pair),