mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/pat_trie_/head.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 head.hpp
  44  * Contains a leaf for a patricia tree.
  45  */
  46
  47 #ifndef PB_DS_PAT_TRIE_IHEAD_HPP
  48 #define PB_DS_PAT_TRIE_IHEAD_HPP
  49
  50 #include <ext/pb_ds/detail/pat_trie_/node_base.hpp>
  51 #include <debug/debug.h>
  52
  53 namespace __gnu_pbds
  54 {
  55   namespace detail
  56   {
  57 #define PB_DS_CLASS_T_DEC \
  58     template<typename Type_Traits, typename E_Access_Traits,    \
  59               typename Metadata, typename Allocator>
  60
  61 #define PB_DS_CLASS_C_DEC \
  62     pat_trie_head<Type_Traits, E_Access_Traits, Metadata, Allocator>
  63
  64 #define PB_DS_BASE_C_DEC \
  65     pat_trie_node_base<Type_Traits, E_Access_Traits, Metadata, Allocator>
  66
  67     template<typename Type_Traits,
  68              typename E_Access_Traits,
  69              typename Metadata,
  70              typename Allocator>
  71     struct pat_trie_head : public PB_DS_BASE_C_DEC
  72     {
  73     private:
  74       typedef E_Access_Traits e_access_traits;
  75
  76       typedef
  77       typename Allocator::template rebind<
  78         e_access_traits>::other::const_pointer
  79       const_e_access_traits_pointer;
  80
  81       typedef
  82       typename Allocator::template rebind<
  83         PB_DS_BASE_C_DEC>::other::pointer
  84       node_pointer;
  85
  86 #ifdef _GLIBCXX_DEBUG
  87       typedef
  88       typename PB_DS_BASE_C_DEC::subtree_debug_info
  89       subtree_debug_info;
  90 #endif
  91
  92     public:
  93       pat_trie_head();
  94
  95 #ifdef _GLIBCXX_DEBUG
  96       virtual subtree_debug_info
  97       assert_valid_imp(const_e_access_traits_pointer p_traits) const;
  98 #endif
  99
 100     public:
 101       node_pointer m_p_min;
 102
 103       node_pointer m_p_max;
 104     };
 105
 106     PB_DS_CLASS_T_DEC
 107     PB_DS_CLASS_C_DEC::
 108     pat_trie_head() : PB_DS_BASE_C_DEC(pat_trie_head_node_type)
 109     { }
 110
 111 #ifdef _GLIBCXX_DEBUG
 112     PB_DS_CLASS_T_DEC
 113     typename PB_DS_CLASS_C_DEC::subtree_debug_info
 114     PB_DS_CLASS_C_DEC::
 115     assert_valid_imp(const_e_access_traits_pointer /*p_traits*/) const
 116     {
 117       _GLIBCXX_DEBUG_ASSERT(false);
 118       return subtree_debug_info();
 119     }
 120 #endif
 121
 122 #undef PB_DS_CLASS_T_DEC
 123 #undef PB_DS_CLASS_C_DEC
 124 #undef PB_DS_BASE_C_DEC
 125
 126   } // namespace detail
 127 } // namespace __gnu_pbds
 128
 129 #endif
 130