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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License
  17 // along with this library; see the file COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file cmp_fn_imps.hpp
  44  * Contains implementations of cc_ht_map_'s entire container comparison related
  45  *    functions.
  46  */
  47
  48 PB_DS_CLASS_T_DEC
  49 template<typename Other_HT_Map_Type>
  50 bool
  51 PB_DS_CLASS_C_DEC::
  52 operator==(const Other_HT_Map_Type& other) const
  53 {
  54   return (cmp_with_other(other));
  55 }
  56
  57 PB_DS_CLASS_T_DEC
  58 template<typename Other_Map_Type>
  59 bool
  60 PB_DS_CLASS_C_DEC::
  61 cmp_with_other(const Other_Map_Type& other) const
  62 {
  63   if (size() != other.size())
  64     return (false);
  65
  66   for (typename Other_Map_Type::const_iterator it = other.begin();
  67        it != other.end(); ++it)
  68     {
  69       const_key_reference r_key =(const_key_reference)PB_DS_V2F(*it);
  70
  71       const_mapped_pointer p_mapped_value =
  72         const_cast<PB_DS_CLASS_C_DEC& >(*this).
  73         find_key_pointer(r_key, traits_base::m_store_hash_indicator);
  74
  75       if (p_mapped_value == NULL)
  76         return (false);
  77
  78 #ifdef PB_DS_DATA_TRUE_INDICATOR
  79       if (p_mapped_value->second != it->second)
  80         return (false);
  81 #endif
  82     }
  83
  84   return (true);
  85 }
  86
  87 PB_DS_CLASS_T_DEC
  88 template<typename Other_HT_Map_Type>
  89 bool
  90 PB_DS_CLASS_C_DEC::
  91 operator!=(const Other_HT_Map_Type& other) const
  92 {
  93   return (!operator==(other));
  94 }