libstdc++
cmp_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2017 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
9 // version.
10 
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26 
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
29 // notice appears in all copies, and that both that copyright notice
30 // and this permission notice appear in supporting documentation. None
31 // of the above authors, nor IBM Haifa Research Laboratories, make any
32 // representation about the suitability of this software for any
33 // purpose. It is provided "as is" without express or implied
34 // warranty.
35 
36 /**
37  * @file cc_hash_table_map_/cmp_fn_imps.hpp
38  * Contains implementations of cc_ht_map_'s entire container comparison related
39  * functions.
40  */
41 
42 PB_DS_CLASS_T_DEC
43 template<typename Other_HT_Map_Type>
44 bool
45 PB_DS_CLASS_C_DEC::
46 operator==(const Other_HT_Map_Type& other) const
47 { return cmp_with_other(other); }
48 
49 PB_DS_CLASS_T_DEC
50 template<typename Other_Map_Type>
51 bool
52 PB_DS_CLASS_C_DEC::
53 cmp_with_other(const Other_Map_Type& other) const
54 {
55  if (size() != other.size())
56  return false;
57 
58  for (typename Other_Map_Type::const_iterator it = other.begin();
59  it != other.end(); ++it)
60  {
61  key_const_reference r_key = key_const_reference(PB_DS_V2F(*it));
62 
63  mapped_const_pointer p_mapped_value =
64  const_cast<PB_DS_CLASS_C_DEC& >(*this).
65  find_key_pointer(r_key, traits_base::m_store_extra_indicator);
66 
67  if (p_mapped_value == 0)
68  return false;
69 
70 #ifdef PB_DS_DATA_TRUE_INDICATOR
71  if (p_mapped_value->second != it->second)
72  return false;
73 #endif
74  }
75  return true;
76 }
77 
78 PB_DS_CLASS_T_DEC
79 template<typename Other_HT_Map_Type>
80 bool
81 PB_DS_CLASS_C_DEC::
82 operator!=(const Other_HT_Map_Type& other) const
83 { return !operator==(other); }