00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00031 00032 // Permission to use, copy, modify, sell, and distribute this software 00033 // is hereby granted without fee, provided that the above copyright 00034 // notice appears in all copies, and that both that copyright notice and 00035 // this permission notice appear in supporting documentation. None of 00036 // the above authors, nor IBM Haifa Research Laboratories, make any 00037 // representation about the suitability of this software for any 00038 // purpose. It is provided "as is" without express or implied warranty. 00039 00045 #ifndef MAPPING_LEVEL_IMP_HPP 00046 #define MAPPING_LEVEL_IMP_HPP 00047 00048 namespace pb_assoc 00049 { 00050 00051 namespace detail 00052 { 00053 00054 template<class Given_Data> 00055 struct mapping_level_imp 00056 { 00057 enum 00058 { 00059 value = 1 00060 }; 00061 }; 00062 00063 template<> 00064 struct mapping_level_imp< 00065 null_data_type> 00066 { 00067 enum 00068 { 00069 value = 1 00070 }; 00071 }; 00072 00073 template<class Cntnr> 00074 struct mapping_level_imp< 00075 compound_data_type< 00076 Cntnr> > 00077 { 00078 enum 00079 { 00080 value = 1 + 00081 mapping_level_imp< 00082 typename Cntnr::given_data_type>::value 00083 }; 00084 }; 00085 00086 } // namespace detail 00087 00088 } // namespace pb_assoc 00089 00090 #endif // #ifndef MAPPING_LEVEL_IMP_HPP