280 lines
9.1 KiB
C++
280 lines
9.1 KiB
C++
/*
|
|
*
|
|
* Copyright (c) 1994
|
|
* Hewlett-Packard Company
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this software
|
|
* and its documentation for any purpose is hereby granted without fee,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation. Hewlett-Packard Company makes no
|
|
* representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*
|
|
*
|
|
* Copyright (c) 1996,1997
|
|
* Silicon Graphics Computer Systems, Inc.
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this software
|
|
* and its documentation for any purpose is hereby granted without fee,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation. Silicon Graphics makes no
|
|
* representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*/
|
|
|
|
/* NOTE: This is an internal header file, included by other STL headers.
|
|
* You should not attempt to use it directly.
|
|
*/
|
|
|
|
#ifndef __SGI_STL_INTERNAL_UNINITIALIZED_H
|
|
#define __SGI_STL_INTERNAL_UNINITIALIZED_H
|
|
|
|
__STL_BEGIN_NAMESPACE
|
|
|
|
// uninitialized_copy
|
|
|
|
// Valid if copy construction is equivalent to assignment, and if the
|
|
// destructor is trivial.
|
|
template <class _InputIter, class _ForwardIter>
|
|
inline _ForwardIter
|
|
__uninitialized_copy_aux(_InputIter __first, _InputIter __last,
|
|
_ForwardIter __result,
|
|
__true_type)
|
|
{
|
|
return copy(__first, __last, __result);
|
|
}
|
|
|
|
template <class _InputIter, class _ForwardIter>
|
|
_ForwardIter
|
|
__uninitialized_copy_aux(_InputIter __first, _InputIter __last,
|
|
_ForwardIter __result,
|
|
__false_type)
|
|
{
|
|
_ForwardIter __cur = __result;
|
|
__STL_TRY {
|
|
for ( ; __first != __last; ++__first, ++__cur)
|
|
_Construct(&*__cur, *__first);
|
|
return __cur;
|
|
}
|
|
__STL_UNWIND(_Destroy(__result, __cur));
|
|
}
|
|
|
|
|
|
template <class _InputIter, class _ForwardIter, class _Tp>
|
|
inline _ForwardIter
|
|
__uninitialized_copy(_InputIter __first, _InputIter __last,
|
|
_ForwardIter __result, _Tp*)
|
|
{
|
|
typedef typename __type_traits<_Tp>::is_POD_type _Is_POD;
|
|
return __uninitialized_copy_aux(__first, __last, __result, _Is_POD());
|
|
}
|
|
|
|
template <class _InputIter, class _ForwardIter>
|
|
inline _ForwardIter
|
|
uninitialized_copy(_InputIter __first, _InputIter __last,
|
|
_ForwardIter __result)
|
|
{
|
|
return __uninitialized_copy(__first, __last, __result,
|
|
__VALUE_TYPE(__result));
|
|
}
|
|
|
|
inline char* uninitialized_copy(const char* __first, const char* __last,
|
|
char* __result) {
|
|
memmove(__result, __first, __last - __first);
|
|
return __result + (__last - __first);
|
|
}
|
|
|
|
inline wchar_t*
|
|
uninitialized_copy(const wchar_t* __first, const wchar_t* __last,
|
|
wchar_t* __result)
|
|
{
|
|
memmove(__result, __first, sizeof(wchar_t) * (__last - __first));
|
|
return __result + (__last - __first);
|
|
}
|
|
|
|
// uninitialized_copy_n (not part of the C++ standard)
|
|
|
|
template <class _InputIter, class _Size, class _ForwardIter>
|
|
pair<_InputIter, _ForwardIter>
|
|
__uninitialized_copy_n(_InputIter __first, _Size __count,
|
|
_ForwardIter __result,
|
|
input_iterator_tag)
|
|
{
|
|
_ForwardIter __cur = __result;
|
|
__STL_TRY {
|
|
for ( ; __count > 0 ; --__count, ++__first, ++__cur)
|
|
_Construct(&*__cur, *__first);
|
|
return pair<_InputIter, _ForwardIter>(__first, __cur);
|
|
}
|
|
__STL_UNWIND(_Destroy(__result, __cur));
|
|
}
|
|
|
|
template <class _RandomAccessIter, class _Size, class _ForwardIter>
|
|
inline pair<_RandomAccessIter, _ForwardIter>
|
|
__uninitialized_copy_n(_RandomAccessIter __first, _Size __count,
|
|
_ForwardIter __result,
|
|
random_access_iterator_tag) {
|
|
_RandomAccessIter __last = __first + __count;
|
|
return pair<_RandomAccessIter, _ForwardIter>(
|
|
__last,
|
|
uninitialized_copy(__first, __last, __result));
|
|
}
|
|
|
|
template <class _InputIter, class _Size, class _ForwardIter>
|
|
inline pair<_InputIter, _ForwardIter>
|
|
__uninitialized_copy_n(_InputIter __first, _Size __count,
|
|
_ForwardIter __result) {
|
|
return __uninitialized_copy_n(__first, __count, __result,
|
|
__ITERATOR_CATEGORY(__first));
|
|
}
|
|
|
|
template <class _InputIter, class _Size, class _ForwardIter>
|
|
inline pair<_InputIter, _ForwardIter>
|
|
uninitialized_copy_n(_InputIter __first, _Size __count,
|
|
_ForwardIter __result) {
|
|
return __uninitialized_copy_n(__first, __count, __result,
|
|
__ITERATOR_CATEGORY(__first));
|
|
}
|
|
|
|
// Valid if copy construction is equivalent to assignment, and if the
|
|
// destructor is trivial.
|
|
template <class _ForwardIter, class _Tp>
|
|
inline void
|
|
__uninitialized_fill_aux(_ForwardIter __first, _ForwardIter __last,
|
|
const _Tp& __x, __true_type)
|
|
{
|
|
fill(__first, __last, __x);
|
|
}
|
|
|
|
template <class _ForwardIter, class _Tp>
|
|
void
|
|
__uninitialized_fill_aux(_ForwardIter __first, _ForwardIter __last,
|
|
const _Tp& __x, __false_type)
|
|
{
|
|
_ForwardIter __cur = __first;
|
|
__STL_TRY {
|
|
for ( ; __cur != __last; ++__cur)
|
|
_Construct(&*__cur, __x);
|
|
}
|
|
__STL_UNWIND(_Destroy(__first, __cur));
|
|
}
|
|
|
|
template <class _ForwardIter, class _Tp, class _Tp1>
|
|
inline void __uninitialized_fill(_ForwardIter __first,
|
|
_ForwardIter __last, const _Tp& __x, _Tp1*)
|
|
{
|
|
typedef typename __type_traits<_Tp1>::is_POD_type _Is_POD;
|
|
__uninitialized_fill_aux(__first, __last, __x, _Is_POD());
|
|
|
|
}
|
|
|
|
template <class _ForwardIter, class _Tp>
|
|
inline void uninitialized_fill(_ForwardIter __first,
|
|
_ForwardIter __last,
|
|
const _Tp& __x)
|
|
{
|
|
__uninitialized_fill(__first, __last, __x, __VALUE_TYPE(__first));
|
|
}
|
|
|
|
// Valid if copy construction is equivalent to assignment, and if the
|
|
// destructor is trivial.
|
|
template <class _ForwardIter, class _Size, class _Tp>
|
|
inline _ForwardIter
|
|
__uninitialized_fill_n_aux(_ForwardIter __first, _Size __n,
|
|
const _Tp& __x, __true_type)
|
|
{
|
|
return fill_n(__first, __n, __x);
|
|
}
|
|
|
|
template <class _ForwardIter, class _Size, class _Tp>
|
|
_ForwardIter
|
|
__uninitialized_fill_n_aux(_ForwardIter __first, _Size __n,
|
|
const _Tp& __x, __false_type)
|
|
{
|
|
_ForwardIter __cur = __first;
|
|
__STL_TRY {
|
|
for ( ; __n > 0; --__n, ++__cur)
|
|
_Construct(&*__cur, __x);
|
|
return __cur;
|
|
}
|
|
__STL_UNWIND(_Destroy(__first, __cur));
|
|
}
|
|
|
|
template <class _ForwardIter, class _Size, class _Tp, class _Tp1>
|
|
inline _ForwardIter
|
|
__uninitialized_fill_n(_ForwardIter __first, _Size __n, const _Tp& __x, _Tp1*)
|
|
{
|
|
typedef typename __type_traits<_Tp1>::is_POD_type _Is_POD;
|
|
return __uninitialized_fill_n_aux(__first, __n, __x, _Is_POD());
|
|
}
|
|
|
|
template <class _ForwardIter, class _Size, class _Tp>
|
|
inline _ForwardIter
|
|
uninitialized_fill_n(_ForwardIter __first, _Size __n, const _Tp& __x)
|
|
{
|
|
return __uninitialized_fill_n(__first, __n, __x, __VALUE_TYPE(__first));
|
|
}
|
|
|
|
// Extensions: __uninitialized_copy_copy, __uninitialized_copy_fill,
|
|
// __uninitialized_fill_copy.
|
|
|
|
// __uninitialized_copy_copy
|
|
// Copies [first1, last1) into [result, result + (last1 - first1)), and
|
|
// copies [first2, last2) into
|
|
// [result, result + (last1 - first1) + (last2 - first2)).
|
|
|
|
template <class _InputIter1, class _InputIter2, class _ForwardIter>
|
|
inline _ForwardIter
|
|
__uninitialized_copy_copy(_InputIter1 __first1, _InputIter1 __last1,
|
|
_InputIter2 __first2, _InputIter2 __last2,
|
|
_ForwardIter __result)
|
|
{
|
|
_ForwardIter __mid = uninitialized_copy(__first1, __last1, __result);
|
|
__STL_TRY {
|
|
return uninitialized_copy(__first2, __last2, __mid);
|
|
}
|
|
__STL_UNWIND(_Destroy(__result, __mid));
|
|
}
|
|
|
|
// __uninitialized_fill_copy
|
|
// Fills [result, mid) with x, and copies [first, last) into
|
|
// [mid, mid + (last - first)).
|
|
template <class _ForwardIter, class _Tp, class _InputIter>
|
|
inline _ForwardIter
|
|
__uninitialized_fill_copy(_ForwardIter __result, _ForwardIter __mid,
|
|
const _Tp& __x,
|
|
_InputIter __first, _InputIter __last)
|
|
{
|
|
uninitialized_fill(__result, __mid, __x);
|
|
__STL_TRY {
|
|
return uninitialized_copy(__first, __last, __mid);
|
|
}
|
|
__STL_UNWIND(_Destroy(__result, __mid));
|
|
}
|
|
|
|
// __uninitialized_copy_fill
|
|
// Copies [first1, last1) into [first2, first2 + (last1 - first1)), and
|
|
// fills [first2 + (last1 - first1), last2) with x.
|
|
template <class _InputIter, class _ForwardIter, class _Tp>
|
|
inline void
|
|
__uninitialized_copy_fill(_InputIter __first1, _InputIter __last1,
|
|
_ForwardIter __first2, _ForwardIter __last2,
|
|
const _Tp& __x)
|
|
{
|
|
_ForwardIter __mid2 = uninitialized_copy(__first1, __last1, __first2);
|
|
__STL_TRY {
|
|
uninitialized_fill(__mid2, __last2, __x);
|
|
}
|
|
__STL_UNWIND(_Destroy(__first2, __mid2));
|
|
}
|
|
|
|
__STL_END_NAMESPACE
|
|
|
|
#endif /* __SGI_STL_INTERNAL_UNINITIALIZED_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|