old-autovect-branch/libstdc++-v3/include/ext/pb_assoc/detail/ms_trait_imp.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005 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
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  31
  32 // Permission to use, copy, modify, sell, and distribute this software
  33 // is hereby granted without fee, provided that the above copyright
  34 // notice appears in all copies, and that both that copyright notice and
  35 // this permission notice appear in supporting documentation. None of
  36 // the above authors, nor IBM Haifa Research Laboratories, make any
  37 // representation about the suitability of this software for any
  38 // purpose. It is provided "as is" without express or implied warranty.
  39
  40 /**
  41  * @file ms_category_imp.hpp
  42  * Contains mapping-semantics category implementation.
  43  */
  44
  45 #ifndef MS_TRAIT_IMP_HPP
  46 #define MS_TRAIT_IMP_HPP
  47
  48 namespace detail
  49 {
  50
  51   template<class Cntnr, class Mapping_Semantics_Category>
  52   struct mapping_semantics_traits;
  53
  54 #define PB_ASSOC_CLASS_T_DEC \
  55         template<class Cntnr>
  56
  57 #define PB_ASSOC_CLASS_C_DEC \
  58         mapping_semantics_traits< \
  59                 Cntnr, \
  60                 basic_ms_tag>
  61
  62   template<class Cntnr>
  63   struct mapping_semantics_traits<
  64     Cntnr,
  65     basic_ms_tag>
  66   {
  67
  68   public:
  69     enum
  70       {
  71         has_data = false,
  72         has_compound_data = false,
  73         mapping_level = 1
  74       };
  75   };
  76
  77 #undef PB_ASSOC_CLASS_T_DEC
  78
  79 #undef PB_ASSOC_CLASS_C_DEC
  80
  81 #define PB_ASSOC_CLASS_T_DEC \
  82         template<class Cntnr>
  83
  84 #define PB_ASSOC_CLASS_C_DEC \
  85         mapping_semantics_traits< \
  86                 Cntnr, \
  87                 data_enabled_ms_tag>
  88
  89   template<class Cntnr>
  90   struct mapping_semantics_traits<
  91     Cntnr,
  92     data_enabled_ms_tag>
  93   {
  94   public:
  95     enum
  96       {
  97         has_data = true,
  98         has_compound_data = false,
  99         mapping_level = 1
 100       };
 101   };
 102
 103 #undef PB_ASSOC_CLASS_T_DEC
 104
 105 #undef PB_ASSOC_CLASS_C_DEC
 106
 107 #define PB_ASSOC_CLASS_T_DEC \
 108         template<class Cntnr>
 109
 110 #define PB_ASSOC_CLASS_C_DEC \
 111         mapping_semantics_traits< \
 112                 Cntnr, \
 113                 compound_data_enabled_ms_tag>
 114
 115   template<class Cntnr>
 116   struct mapping_semantics_traits<
 117     Cntnr,
 118     compound_data_enabled_ms_tag>
 119   {
 120   public:
 121     enum
 122       {
 123         has_data = true,
 124         has_compound_data = true,
 125         mapping_level = mapping_level_imp<
 126         typename Cntnr::given_data_type>::value
 127       };
 128   };
 129
 130 #undef PB_ASSOC_CLASS_T_DEC
 131
 132 #undef PB_ASSOC_CLASS_C_DEC
 133
 134 } // namespace detail
 135
 136 #endif // #ifndef MS_TRAIT_IMP_HPP