/home/ntakagi/work/STLport-5.1.5/stlport/stl/_carray.h Source File

00001 /*
00002  * Copyright (c) 2005
00003  * Francois Dumont
00004  *
00005  * This material is provided "as is", with absolutely no warranty expressed
00006  * or implied. Any use is at your own risk.
00007  *
00008  * Permission to use or copy this software for any purpose is hereby granted
00009  * without fee, provided the above notices are retained on all copies.
00010  * Permission to modify the code and to distribute modified code is granted,
00011  * provided the above notices are retained, and a notice that the code was
00012  * modified is included with the above copyright notice.
00013  *
00014  */
00015 
00016 /* NOTE: This is an internal header file, included by other STL headers.
00017  *   You should not attempt to use it directly.
00018  */
00019 
00020 #ifndef _STLP_CARRAY_H
00021 #define _STLP_CARRAY_H
00022 
00023 /* Purpose: Mimic a pur C array with the additionnal feature of
00024  * being able to be used with type not default constructible.
00025  */
00026 
00027 #ifndef _STLP_INTERNAL_CONSTRUCT_H
00028 #  include <stl/_construct.h>
00029 #endif
00030 
00031 _STLP_BEGIN_NAMESPACE
00032 
00033 _STLP_MOVE_TO_PRIV_NAMESPACE
00034 
00035 template <class _Tp, size_t _Nb>
00036 struct _CArray {
00037   _CArray (const _Tp& __val) {
00038     for (size_t __i = 0; __i < _Nb; ++__i) {
00039       _Copy_Construct(__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp)), __val);
00040     }
00041   }
00042 
00043   ~_CArray() {
00044     _Destroy_Range(__REINTERPRET_CAST(_Tp*, _M_data + 0),
00045                    __REINTERPRET_CAST(_Tp*, _M_data + _Nb * sizeof(_Tp)));
00046   }
00047 
00048   _Tp& operator [] (size_t __i) {
00049     _STLP_ASSERT(__i < _Nb)
00050     return *__REINTERPRET_CAST(_Tp*, _M_data + __i * sizeof(_Tp));
00051   }
00052 
00053 private:
00054   char _M_data[sizeof(_Tp) * _Nb];
00055 };
00056 
00057 _STLP_MOVE_TO_STD_NAMESPACE
00058 
00059 _STLP_END_NAMESPACE
00060 
00061 #endif //_STLP_CARRAY_H