00001 // ---------------------------------------------------------------------------- 00002 // HLAenumeratedType.hh - IEEE 1516.2 compliant datatypes 00003 // Copyright (C) 2008 Petr Gotthard <petr.gotthard@centrum.cz> 00004 // 00005 // This library is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU Lesser General Public 00007 // License version 2.1, as published by the Free Software Foundation. 00008 // 00009 // This library is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // Lesser General Public License for more details. 00013 // 00014 // $Id: HLAenumeratedType.hh,v 1.2 2008/11/03 11:10:58 gotthardp Exp $ 00015 // ---------------------------------------------------------------------------- 00016 00017 #ifndef _HLATYPES_ENUMERATEDTYPE_HH 00018 #define _HLATYPES_ENUMERATEDTYPE_HH 00019 00020 namespace libhla { 00021 00022 /* HLAenumeratedType<ENUMERATION, REPRESENTATION> 00023 * defines an user-convenient ENUMERATION stored using given REPRESENTATION. 00024 * 00025 * The data can be accessed in an usual way. 00026 * 00027 * Some models may use one enumerated value in multiple enumerations. To avoid 00028 * name collisions it's recommended to put the ENUMERATION in an individual namespace. 00029 * 00030 * For example: 00031 * +------------+----------------+------------+--------+-----------+ 00032 * | Name | Representation | Enumerator | Values | Semantics | 00033 * +------------+----------------+------------+--------+-----------+ 00034 * | | | HLAfalse | 0 | | 00035 * | HLAboolean | HLAinteger32BE +------------+--------+-----------+ 00036 * | | | HLAfalse | 1 | | 00037 * +------------+----------------+------------+--------+-----------+ 00038 * 00039 * namespace __HLAboolean { 00040 * enum __enum { 00041 * HLAfalse = 0, 00042 * HLAtrue = 1 00043 * }; 00044 * } 00045 * typedef HLAenumeratedType<__HLAboolean::__enum, HLAinteger32BE> HLAboolean; 00046 * HLAdata<HLAboolean> value; 00047 * 00048 * value = HLAtrue; 00049 */ 00050 00052 template<class E, class R> 00053 struct HLAenumeratedType 00054 { 00055 HLAenumeratedType& operator = (const E& data) 00056 { 00057 *(R*)this = data; 00058 return *this; 00059 } 00060 00061 HLAenumeratedType& operator = (const int& data) 00062 { 00063 *(R*)this = data; 00064 return *this; 00065 } 00066 00067 operator E() const 00068 { 00069 int result = *(R*)this; 00070 return (E)result; 00071 } 00072 00073 operator int() const 00074 { return *(R*)this; } 00075 00076 static const size_t emptysizeof() 00077 { return R::emptysizeof(); } 00078 00079 static const size_t __sizeof() 00080 { return R::__sizeof(); } 00081 00082 void copy(void* source) 00083 { ((R*)this)->copy(source); } 00084 00085 static const size_t m_octetBoundary = R::m_octetBoundary; 00086 static const bool m_isVariable = false; 00087 }; 00088 00089 /* IEEE 1516.2, Table 27: 00090 * Enumerated datatype table 00091 */ 00092 enum __HLAboolean { 00093 HLAfalse = 0, 00094 HLAtrue = 1 00095 }; 00096 typedef HLAenumeratedType<__HLAboolean, HLAinteger32BE> HLAboolean; 00097 00098 } // namespace libhla 00099 00100 #endif // _HLATYPES_ENUMERATEDTYPE_HH 00101 00102 // $Id: HLAenumeratedType.hh,v 1.2 2008/11/03 11:10:58 gotthardp Exp $ 00103