stl_raw_storage_iter.h

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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 3, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // Under Section 7 of GPL version 3, you are granted additional
00018 // permissions described in the GCC Runtime Library Exception, version
00019 // 3.1, as published by the Free Software Foundation.
00020 
00021 // You should have received a copy of the GNU General Public License and
00022 // a copy of the GCC Runtime Library Exception along with this program;
00023 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00024 // <http://www.gnu.org/licenses/>.
00025 
00026 /*
00027  *
00028  * Copyright (c) 1994
00029  * Hewlett-Packard Company
00030  *
00031  * Permission to use, copy, modify, distribute and sell this software
00032  * and its documentation for any purpose is hereby granted without fee,
00033  * provided that the above copyright notice appear in all copies and
00034  * that both that copyright notice and this permission notice appear
00035  * in supporting documentation.  Hewlett-Packard Company makes no
00036  * representations about the suitability of this software for any
00037  * purpose.  It is provided "as is" without express or implied warranty.
00038  *
00039  *
00040  * Copyright (c) 1996
00041  * Silicon Graphics Computer Systems, Inc.
00042  *
00043  * Permission to use, copy, modify, distribute and sell this software
00044  * and its documentation for any purpose is hereby granted without fee,
00045  * provided that the above copyright notice appear in all copies and
00046  * that both that copyright notice and this permission notice appear
00047  * in supporting documentation.  Silicon Graphics makes no
00048  * representations about the suitability of this software for any
00049  * purpose.  It is provided "as is" without express or implied warranty.
00050  */
00051 
00052 /** @file stl_raw_storage_iter.h
00053  *  This is an internal header file, included by other library headers.
00054  *  You should not attempt to use it directly.
00055  */
00056 
00057 #ifndef _STL_RAW_STORAGE_ITERATOR_H
00058 #define _STL_RAW_STORAGE_ITERATOR_H 1
00059 
00060 _GLIBCXX_BEGIN_NAMESPACE(std)
00061 
00062   /**
00063    *  This iterator class lets algorithms store their results into
00064    *  uninitialized memory.
00065   */
00066   template <class _OutputIterator, class _Tp>
00067     class raw_storage_iterator
00068     : public iterator<output_iterator_tag, void, void, void, void>
00069     {
00070     protected:
00071       _OutputIterator _M_iter;
00072 
00073     public:
00074       explicit
00075       raw_storage_iterator(_OutputIterator __x)
00076       : _M_iter(__x) {}
00077 
00078       raw_storage_iterator&
00079       operator*() { return *this; }
00080 
00081       raw_storage_iterator&
00082       operator=(const _Tp& __element)
00083       {
00084     std::_Construct(&*_M_iter, __element);
00085     return *this;
00086       }
00087 
00088       raw_storage_iterator<_OutputIterator, _Tp>&
00089       operator++()
00090       {
00091     ++_M_iter;
00092     return *this;
00093       }
00094 
00095       raw_storage_iterator<_OutputIterator, _Tp>
00096       operator++(int)
00097       {
00098     raw_storage_iterator<_OutputIterator, _Tp> __tmp = *this;
00099     ++_M_iter;
00100     return __tmp;
00101       }
00102     };
00103 
00104 _GLIBCXX_END_NAMESPACE
00105 
00106 #endif