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/*
* This file is part of rsyncrypto - rsync friendly encryption
* Copyright (C) 2005 Shachar Shemesh for Lingnu Open Source Consulting (http://www.lignu.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Copyright (c) 1997-1999
* 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.
*
*/
#ifndef _AUTOMAP_H
#define _AUTOMAP_H
#if defined(__SGI_STL_USE_auto_array_CONVERSIONS) && \
defined(__STL_MEMBER_TEMPLATES)
template<class _Tp1> struct auto_array_ref {
_Tp1* _M_ptr;
auto_array_ref(_Tp1* __p) : _M_ptr(__p) {}
};
#endif
#define __STL_NOTHROW throw()
template <class _Tp> class auto_array {
private:
_Tp* _M_ptr;
public:
typedef _Tp element_type;
explicit auto_array(_Tp* __p = 0) __STL_NOTHROW : _M_ptr(__p) {}
auto_array(auto_array& __a) __STL_NOTHROW : _M_ptr(__a.release()) {}
#ifdef __STL_MEMBER_TEMPLATES
auto_array(auto_array<_Tp>& __a) __STL_NOTHROW
: _M_ptr(__a.release()) {}
#endif /* __STL_MEMBER_TEMPLATES */
auto_array& operator=(auto_array& __a) __STL_NOTHROW {
if (&__a != this) {
delete [] _M_ptr;
_M_ptr = __a.release();
}
return *this;
}
#ifdef __STL_MEMBER_TEMPLATES
template <class _Tp1>
auto_array& operator=(auto_array<_Tp1>& __a) __STL_NOTHROW {
if (__a.get() != this->get()) {
delete [] _M_ptr;
_M_ptr = __a.release();
}
return *this;
}
#endif /* __STL_MEMBER_TEMPLATES */
// Note: The C++ standard says there is supposed to be an empty throw
// specification here, but omitting it is standard conforming. Its
// presence can be detected only if _Tp::~_Tp() throws, but (17.4.3.6/2)
// this is prohibited.
~auto_array() { delete [] _M_ptr; }
_Tp& operator*() const __STL_NOTHROW {
return *_M_ptr;
}
_Tp& operator[](size_t index) __STL_NOTHROW {
return _M_ptr[index];
}
_Tp* get() const __STL_NOTHROW {
return _M_ptr;
}
_Tp* release() __STL_NOTHROW {
_Tp* __tmp = _M_ptr;
_M_ptr = 0;
return __tmp;
}
void reset(_Tp* __p = 0) __STL_NOTHROW {
if (__p != _M_ptr) {
delete [] _M_ptr;
_M_ptr = __p;
}
}
// According to the C++ standard, these conversions are required. Most
// present-day compilers, however, do not enforce that requirement---and,
// in fact, most present-day compilers do not support the language
// features that these conversions rely on.
#if defined(__SGI_STL_USE_auto_array_CONVERSIONS) && \
defined(__STL_MEMBER_TEMPLATES)
public:
auto_array(auto_array_ref<_Tp> __ref) __STL_NOTHROW
: _M_ptr(__ref._M_ptr) {}
auto_array& operator=(auto_array_ref<_Tp> __ref) __STL_NOTHROW {
if (__ref._M_ptr != this->get()) {
delete [] _M_ptr;
_M_ptr = __ref._M_ptr;
}
return *this;
}
template <class _Tp1> operator auto_array_ref<_Tp1>() __STL_NOTHROW
{ return auto_array_ref<_Tp1>(this->release()); }
template <class _Tp1> operator auto_array<_Tp1>() __STL_NOTHROW
{ return auto_array<_Tp1>(this->release()); }
#endif /* auto ptr conversions && member templates */
};
#endif /* _AUTOARRAY_H */
// Local Variables:
// mode:C++
// End:
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