| 1 | /* |
| 2 | * check_no_pointers.hpp |
| 3 | * |
| 4 | * Created on: Jul 7, 2015 |
| 5 | * Author: i-bird |
| 6 | */ |
| 7 | |
| 8 | #ifndef CHECK_NO_POINTERS_HPP_ |
| 9 | #define CHECK_NO_POINTERS_HPP_ |
| 10 | |
| 11 | #include "common.hpp" |
| 12 | |
| 13 | /*! \brief return type of check_no_pointers |
| 14 | * |
| 15 | * |
| 16 | */ |
| 17 | enum PNP |
| 18 | { |
| 19 | POINTERS, |
| 20 | NO_POINTERS, |
| 21 | UNKNOWN |
| 22 | }; |
| 23 | |
| 24 | //! Check if the type T has pointers inside |
| 25 | template<typename T, bool has_pointer=has_noPointers<T>::type::value > |
| 26 | struct check_no_pointers_impl |
| 27 | { |
| 28 | //! Return true if the structure T has a pointer |
| 29 | static size_t value() {return T::noPointers();} |
| 30 | }; |
| 31 | |
| 32 | //! Check if the type T has pointers inside |
| 33 | template<typename T> |
| 34 | struct check_no_pointers_impl<T,false> |
| 35 | { |
| 36 | //! Return PNP::UNKNOWN if the structure T does not specify if it has a pointer |
| 37 | static size_t value() {return PNP::UNKNOWN;}; |
| 38 | }; |
| 39 | |
| 40 | /*! \brief This class check if the type T has pointers inside |
| 41 | * |
| 42 | * It basically check if exist a function bool T::noPointers(), if not return UNKOWN |
| 43 | * if exist it return the noPointers return status |
| 44 | * |
| 45 | * \tparam T type to check |
| 46 | * |
| 47 | * ### Example |
| 48 | * |
| 49 | * \snippet util_test.hpp Check no pointers in structure |
| 50 | * |
| 51 | */ |
| 52 | template<typename T> |
| 53 | struct check_no_pointers |
| 54 | { |
| 55 | static size_t value() {return check_no_pointers_impl<T>::value();} |
| 56 | }; |
| 57 | |
| 58 | |
| 59 | |
| 60 | |
| 61 | #endif /* CHECK_NO_POINTERS_HPP_ */ |
| 62 | |