contrib/gcc-8.0/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2018 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_/info_fn_imps.hpp
  38  * Contains implementations of cc_ht_map_'s entire container info related
  39  * functions.
  40  */
  41
  42 PB_DS_CLASS_T_DEC
  43 inline typename PB_DS_CLASS_C_DEC::size_type
  44 PB_DS_CLASS_C_DEC::
  45 size() const
  46 { return m_num_used_e; }
  47
  48 PB_DS_CLASS_T_DEC
  49 inline typename PB_DS_CLASS_C_DEC::size_type
  50 PB_DS_CLASS_C_DEC::
  51 max_size() const
  52 { return m_entry_allocator.max_size(); }
  53
  54 PB_DS_CLASS_T_DEC
  55 inline bool
  56 PB_DS_CLASS_C_DEC::
  57 empty() const
  58 { return (size() == 0); }
  59
  60 PB_DS_CLASS_T_DEC
  61 template<typename Other_HT_Map_Type>
  62 bool
  63 PB_DS_CLASS_C_DEC::
  64 operator==(const Other_HT_Map_Type& other) const
  65 { return cmp_with_other(other); }
  66
  67 PB_DS_CLASS_T_DEC
  68 template<typename Other_Map_Type>
  69 bool
  70 PB_DS_CLASS_C_DEC::
  71 cmp_with_other(const Other_Map_Type& other) const
  72 {
  73   if (size() != other.size())
  74     return false;
  75
  76   for (typename Other_Map_Type::const_iterator it = other.begin();
  77        it != other.end(); ++it)
  78     {
  79       key_const_reference r_key =(key_const_reference)PB_DS_V2F(*it);
  80       mapped_const_pointer p_mapped_value =
  81         const_cast<PB_DS_CLASS_C_DEC& >(*this).
  82         find_key_pointer(r_key, traits_base::m_store_extra_indicator);
  83
  84       if (p_mapped_value == 0)
  85         return false;
  86
  87 #ifdef PB_DS_DATA_TRUE_INDICATOR
  88       if (p_mapped_value->second != it->second)
  89         return false;
  90 #endif
  91     }
  92   return true;
  93 }
  94
  95 PB_DS_CLASS_T_DEC
  96 template<typename Other_HT_Map_Type>
  97 bool
  98 PB_DS_CLASS_C_DEC::
  99 operator!=(const Other_HT_Map_Type& other) const
 100 { return !operator==(other); }