CLAW Library (a C++ Library Absolutely Wonderful) 1.5.5
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00001 /* 00002 CLAW - a C++ Library Absolutely Wonderful 00003 00004 CLAW is a free library without any particular aim but being useful to 00005 anyone. 00006 00007 Copyright (C) 2005-2010 Julien Jorge 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 contact: julien_jorge@yahoo.fr 00024 */ 00031 #include <claw/meta/type_list.hpp> 00032 #include <claw/meta/conditional.hpp> 00033 00034 #ifndef __CLAW_TYPES_HPP__ 00035 #define __CLAW_TYPES_HPP__ 00036 00037 namespace claw 00038 { 00039 #ifdef CLAW_HAS_LONG_LONG 00040 00041 typedef 00042 meta::type_list<signed long long int, meta::no_type> 00043 non_standard_signed_types; 00044 00045 typedef 00046 meta::type_list<unsigned long long int, meta::no_type> 00047 non_standard_unsigned_types; 00048 00049 #else // !def CLAW_HAS_LONG_LONG 00050 00051 typedef meta::no_type non_standard_signed_types; 00052 typedef meta::no_type non_standard_unsigned_types; 00053 00054 #endif // CLAW_HAS_LONG_LONG 00055 00057 typedef meta::type_list 00058 < signed char, 00059 meta::type_list 00060 < signed short, 00061 meta::type_list<signed int, non_standard_signed_types> 00062 > > signed_integers; 00063 00065 typedef meta::type_list 00066 < unsigned char, 00067 meta::type_list 00068 < unsigned short, 00069 meta::type_list<unsigned int, non_standard_unsigned_types> 00070 > > unsigned_integers; 00071 00080 template<std::size_t Size, typename TypeList> 00081 struct find_type_by_size 00082 { 00083 private: 00084 typedef typename TypeList::head_type head_type; 00085 typedef typename TypeList::queue_type queue_type; 00086 00087 public: 00088 typedef 00089 typename meta::if_then_else 00090 < sizeof(head_type) * 8 == Size, head_type, 00091 typename find_type_by_size<Size, queue_type>::type >::result type; 00092 00093 }; // find_type_by_size 00094 00096 template<std::size_t Size> 00097 struct find_type_by_size<Size, meta::no_type> 00098 { 00101 struct type; 00102 }; // find_type_by_size 00103 00110 template<std::size_t Size> 00111 struct integer_of_size 00112 { 00113 typedef typename find_type_by_size<Size, signed_integers>::type type; 00114 }; // struct integer_of_size 00115 00122 template<std::size_t Size> 00123 struct unsigned_integer_of_size 00124 { 00125 typedef typename find_type_by_size<Size, unsigned_integers>::type type; 00126 }; // struct unsigned_integer_of_size 00127 00128 typedef unsigned_integer_of_size<8>::type u_int_8; 00129 typedef unsigned_integer_of_size<16>::type u_int_16; 00130 typedef unsigned_integer_of_size<32>::type u_int_32; 00131 00132 typedef integer_of_size<8>::type int_8; 00133 typedef integer_of_size<16>::type int_16; 00134 typedef integer_of_size<32>::type int_32; 00135 00136 } // namespace claw 00137 00138 #endif // __CLAW_TYPES_HPP__