Home | History | Annotate | Download | only in list_update_map_ 
      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005-2013 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 list_update_map_/find_fn_imps.hpp
     38  * Contains implementations of lu_map_.
     39  */
     40 
     41 PB_DS_CLASS_T_DEC
     42 inline typename PB_DS_CLASS_C_DEC::entry_pointer
     43 PB_DS_CLASS_C_DEC::
     44 find_imp(key_const_reference r_key) const
     45 {
     46   if (m_p_l == 0)
     47     return 0;
     48   if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value)))
     49     {
     50       apply_update(m_p_l, s_metadata_type_indicator);
     51       PB_DS_CHECK_KEY_EXISTS(r_key)
     52       return m_p_l;
     53     }
     54 
     55   entry_pointer p_l = m_p_l;
     56   while (p_l->m_p_next != 0)
     57     {
     58       entry_pointer p_next = p_l->m_p_next;
     59       if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value)))
     60         {
     61 	  if (apply_update(p_next, s_metadata_type_indicator))
     62             {
     63 	      p_l->m_p_next = p_next->m_p_next;
     64 	      p_next->m_p_next = m_p_l;
     65 	      m_p_l = p_next;
     66 	      return m_p_l;
     67             }
     68 	  return p_next;
     69         }
     70       else
     71 	p_l = p_next;
     72     }
     73 
     74   PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key)
     75   return 0;
     76 }
     77 
     78 PB_DS_CLASS_T_DEC
     79 template<typename Metadata>
     80 inline bool
     81 PB_DS_CLASS_C_DEC::
     82 apply_update(entry_pointer p_l, type_to_type<Metadata>)
     83 { return s_update_policy(p_l->m_update_metadata); }
     84 
     85 PB_DS_CLASS_T_DEC
     86 inline bool
     87 PB_DS_CLASS_C_DEC::
     88 apply_update(entry_pointer, type_to_type<null_type>)
     89 { return s_update_policy(s_null_type); }
     90 
     91