File indexing completed on 2024-04-06 12:05:24
0001 #ifndef DETECTOR_DESCRIPTION_CORE_DDI_REP_TYPE_H
0002 #define DETECTOR_DESCRIPTION_CORE_DDI_REP_TYPE_H
0003
0004 #include <memory>
0005
0006 namespace DDI {
0007
0008 template <class N, class I>
0009 struct rep_traits {
0010 using name_type = N;
0011 using pointer = typename I::pointer;
0012 using reference = typename I::reference;
0013 };
0014
0015 template <class N, class I>
0016 struct rep_traits<N, I*> {
0017 using name_type = N;
0018 using pointer = I*;
0019 using reference = I&;
0020 };
0021
0022 template <class N, class I>
0023 struct rep_traits<N, std::unique_ptr<I>> {
0024 using name_type = N;
0025 using pointer = I*;
0026 using reference = I&;
0027 };
0028
0029 template <class N, class I>
0030 struct rep_type {
0031 rep_type() : second(nullptr), init_(false) {}
0032 rep_type(const N& n, I i) : first(n), second(std::move(i)), init_(false) {
0033 if (i)
0034 init_ = true;
0035 }
0036 N first;
0037 I second;
0038
0039 const typename rep_traits<N, I>::name_type& name() const { return first; }
0040 const typename rep_traits<N, I>::reference rep() const { return *second; }
0041
0042 I swap(I i) {
0043 I tmp(second);
0044 second = i;
0045 init_ = false;
0046 if (i)
0047 init_ = true;
0048 return tmp;
0049 }
0050 operator bool() const { return init_; }
0051
0052 private:
0053 bool init_;
0054 };
0055 }
0056
0057 #endif
