Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005 |
| 3 | * Francois Dumont |
| 4 | * |
| 5 | * This material is provided "as is", with absolutely no warranty expressed |
| 6 | * or implied. Any use is at your own risk. |
| 7 | * |
| 8 | * Permission to use or copy this software for any purpose is hereby granted |
| 9 | * without fee, provided the above notices are retained on all copies. |
| 10 | * Permission to modify the code and to distribute modified code is granted, |
| 11 | * provided the above notices are retained, and a notice that the code was |
| 12 | * modified is included with the above copyright notice. |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | /* NOTE: This is an internal header file, included by other STL headers. |
| 17 | * You should not attempt to use it directly. |
| 18 | */ |
| 19 | |
| 20 | #ifndef _STLP_CARRAY_H |
| 21 | #define _STLP_CARRAY_H |
| 22 | |
| 23 | /* Purpose: Mimic a pur C array with the additionnal feature of |
| 24 | * being able to be used with type not default constructible. |
| 25 | */ |
| 26 | |
| 27 | #ifndef _STLP_INTERNAL_CONSTRUCT_H |
| 28 | # include <stl/_construct.h> |
| 29 | #endif |
| 30 | |
| 31 | _STLP_BEGIN_NAMESPACE |
| 32 | |
| 33 | _STLP_MOVE_TO_PRIV_NAMESPACE |
| 34 | |
| 35 | template <class _Tp, size_t _Nb> |
| 36 | struct _CArray { |
| 37 | _CArray (const _Tp& __val) { |
| 38 | for (size_t __i = 0; __i < _Nb; ++__i) { |
| 39 | _Copy_Construct(__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp)), __val); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | ~_CArray() { |
| 44 | _Destroy_Range(__REINTERPRET_CAST(_Tp*, _M_data + 0), |
| 45 | __REINTERPRET_CAST(_Tp*, _M_data + _Nb * sizeof(_Tp))); |
| 46 | } |
| 47 | |
| 48 | _Tp& operator [] (size_t __i) { |
| 49 | _STLP_ASSERT(__i < _Nb) |
| 50 | return *__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp)); |
| 51 | } |
| 52 | |
| 53 | private: |
| 54 | char _M_data[sizeof(_Tp) * _Nb]; |
| 55 | }; |
| 56 | |
| 57 | _STLP_MOVE_TO_STD_NAMESPACE |
| 58 | |
| 59 | _STLP_END_NAMESPACE |
| 60 | |
| 61 | #endif //_STLP_CARRAY_H |