libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/cmp_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2020 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 #ifdef PB_DS_CLASS_C_DEC
  43
  44 PB_DS_CLASS_T_DEC
  45 template<typename Other_HT_Map_Type>
  46 bool
  47 PB_DS_CLASS_C_DEC::
  48 operator==(const Other_HT_Map_Type& other) const
  49 { return cmp_with_other(other); }
  50
  51 PB_DS_CLASS_T_DEC
  52 template<typename Other_Map_Type>
  53 bool
  54 PB_DS_CLASS_C_DEC::
  55 cmp_with_other(const Other_Map_Type& other) const
  56 {
  57   if (size() != other.size())
  58     return false;
  59
  60   for (typename Other_Map_Type::const_iterator it = other.begin();
  61        it != other.end(); ++it)
  62     {
  63       key_const_reference r_key = key_const_reference(PB_DS_V2F(*it));
  64
  65       mapped_const_pointer p_mapped_value =
  66         const_cast<PB_DS_CLASS_C_DEC& >(*this).
  67         find_key_pointer(r_key, traits_base::m_store_extra_indicator);
  68
  69       if (p_mapped_value == 0)
  70         return false;
  71
  72 #ifdef PB_DS_DATA_TRUE_INDICATOR
  73       if (p_mapped_value->second != it->second)
  74         return false;
  75 #endif
  76     }
  77   return true;
  78 }
  79
  80 PB_DS_CLASS_T_DEC
  81 template<typename Other_HT_Map_Type>
  82 bool
  83 PB_DS_CLASS_C_DEC::
  84 operator!=(const Other_HT_Map_Type& other) const
  85 { return !operator==(other); }
  86 #endif