00001 /****************************************************************************** 00002 * Copyright (C) 2014 by Ralf Kaestner * 00003 * ralf.kaestner@gmail.com * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the Lesser GNU General Public License as published by* 00007 * the Free Software Foundation; either version 3 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * Lesser GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the Lesser GNU General Public License * 00016 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 00017 ******************************************************************************/ 00018 00023 #ifndef VARIANT_TOPIC_TOOLS_ARRAY_MEMBER_POINTER_H 00024 #define VARIANT_TOPIC_TOOLS_ARRAY_MEMBER_POINTER_H 00025 00026 #include <variant_topic_tools/ArrayTypeTraits.h> 00027 #include <variant_topic_tools/Pointer.h> 00028 00029 namespace variant_topic_tools { 00032 template <typename T> class ArrayMemberPointer : 00033 public Pointer<typename type_traits::ArrayType<T>::MemberValueType> { 00034 public: 00035 BOOST_STATIC_ASSERT(type_traits::IsArray<T>::value); 00036 00039 typedef typename type_traits::ArrayType<T>::ValueType ValueType; 00040 00043 typedef typename type_traits::ArrayType<T>::MemberValueType 00044 MemberValueType; 00045 00048 static const size_t NumMembers = type_traits::ArrayType<T>::NumMembers; 00049 00052 ArrayMemberPointer(ValueType* array = 0, int index = 0); 00053 00057 ArrayMemberPointer(const Pointer<ValueType>& array, int index); 00058 00061 ArrayMemberPointer(const ArrayMemberPointer<T>& src); 00062 00065 ArrayMemberPointer(const Pointer<MemberValueType>& src); 00066 00069 ~ArrayMemberPointer(); 00070 00073 void setArray(const Pointer<ValueType>& array); 00074 00077 const Pointer<ValueType>& getArray() const; 00078 00081 void setIndex(int index); 00082 00085 size_t getIndex() const; 00086 00087 protected: 00090 class Impl : 00091 public Pointer<MemberValueType>::ImplA { 00092 public: 00095 Impl(const Pointer<ValueType>& array = Pointer<ValueType>(), size_t 00096 index = 0); 00097 00100 virtual ~Impl(); 00101 00104 MemberValueType* get() const; 00105 00108 Pointer<ValueType> array; 00109 00112 int index; 00113 }; 00114 }; 00115 }; 00116 00117 #include <variant_topic_tools/ArrayMemberPointer.tpp> 00118 00119 #endif