gcc/libstdc++-v3/include/bits/stl_iterator.h
Benjamin Kosnik 8f7a401515 stl_iterator.h (reverse_iterator::_M_current): Deuglify, should be current.
2002-01-16  Benjamin Kosnik  <bkoz@redhat.com>
            Peter Schmid  <schmid@snake.iap.physik.tu-darmstadt.de>

	* include/bits/stl_iterator.h (reverse_iterator::_M_current):
	Deuglify, should be current.
	(back_insert_iterator::_M_container): Deuglify, should be container.
	(front_insert_iterator::_M_container): Same.
	(insert_iterator::_M_container): Same.
	* testsuite/24_iterators/reverse_iterator.cc: Add check.
	* testsuite/24_iterators/back_insert_iterator.cc: Add check.
	* testsuite/24_iterators/front_insert_iterator.cc: Same.
	* testsuite/24_iterators/insert_iterator.cc: Same.

2002-01-16  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/locale_facets.h (ctype<char>::classic_table): Make
	static.
	(ctype<char>::_M_ctable): Make static, change name to _S_ctable.
	* config/os/gnu-linux/bits/ctype_noninline.h: Define _S_ctable.
	* config/os/solaris/solaris2.7/bits/ctype_noninline.h: Same.
	* config/os/solaris/solaris2.6/bits/ctype_noninline.h: Same.
	* config/os/solaris/solaris2.5/bits/ctype_noninline.h: Same.
	* config/os/newlib/bits/ctype_noninline.h: Same.
	* config/os/irix/irix6.5/bits/ctype_noninline.h: Same.
	* config/os/irix/irix5.2/bits/ctype_noninline.h: Same.
	* config/os/hpux/bits/ctype_noninline.h: Same.
	* config/os/djgpp/bits/ctype_noninline.h: Same.
	* config/os/bsd/netbsd/bits/ctype_noninline.h: Same.
	* config/os/bsd/freebsd/bits/ctype_noninline.h: Same.
	* config/os/aix/bits/ctype_noninline.h: Same.

	Testcase by Dietmar K�hl via Peter Schmid
	* testsuite/22_locale/ctype_members_char.cc (char>): Add test for
	classic_table().

Co-Authored-By: Peter Schmid <schmid@snake.iap.physik.tu-darmstadt.de>

From-SVN: r48938
2002-01-17 03:59:42 +00:00

457 lines
14 KiB
C++

// Iterators -*- C++ -*-
// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, 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 General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/*
*
* 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) 1996-1998
* 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.
*/
/** @file stl_iterator.h
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
#ifndef __GLIBCPP_INTERNAL_ITERATOR_H
#define __GLIBCPP_INTERNAL_ITERATOR_H
namespace std
{
// 24.4.1 Reverse iterators
template<typename _Iterator>
class reverse_iterator
: public iterator<typename iterator_traits<_Iterator>::iterator_category,
typename iterator_traits<_Iterator>::value_type,
typename iterator_traits<_Iterator>::difference_type,
typename iterator_traits<_Iterator>::pointer,
typename iterator_traits<_Iterator>::reference>
{
protected:
_Iterator current;
public:
typedef _Iterator iterator_type;
typedef typename iterator_traits<_Iterator>::difference_type
difference_type;
typedef typename iterator_traits<_Iterator>::reference reference;
typedef typename iterator_traits<_Iterator>::pointer pointer;
public:
reverse_iterator() { }
explicit
reverse_iterator(iterator_type __x) : current(__x) { }
reverse_iterator(const reverse_iterator& __x)
: current(__x.current) { }
template<typename _Iter>
reverse_iterator(const reverse_iterator<_Iter>& __x)
: current(__x.base()) { }
iterator_type
base() const { return current; }
reference
operator*() const
{
_Iterator __tmp = current;
return *--__tmp;
}
pointer
operator->() const { return &(operator*()); }
reverse_iterator&
operator++()
{
--current;
return *this;
}
reverse_iterator
operator++(int)
{
reverse_iterator __tmp = *this;
--current;
return __tmp;
}
reverse_iterator&
operator--()
{
++current;
return *this;
}
reverse_iterator operator--(int)
{
reverse_iterator __tmp = *this;
++current;
return __tmp;
}
reverse_iterator
operator+(difference_type __n) const
{ return reverse_iterator(current - __n); }
reverse_iterator&
operator+=(difference_type __n)
{
current -= __n;
return *this;
}
reverse_iterator
operator-(difference_type __n) const
{ return reverse_iterator(current + __n); }
reverse_iterator&
operator-=(difference_type __n)
{
current += __n;
return *this;
}
reference
operator[](difference_type __n) const { return *(*this + __n); }
};
template<typename _Iterator>
inline bool
operator==(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return __x.base() == __y.base(); }
template<typename _Iterator>
inline bool
operator<(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return __y.base() < __x.base(); }
template<typename _Iterator>
inline bool
operator!=(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return !(__x == __y); }
template<typename _Iterator>
inline bool
operator>(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return __y < __x; }
template<typename _Iterator>
inline bool
operator<=(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return !(__y < __x); }
template<typename _Iterator>
inline bool
operator>=(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return !(__x < __y); }
template<typename _Iterator>
inline typename reverse_iterator<_Iterator>::difference_type
operator-(const reverse_iterator<_Iterator>& __x,
const reverse_iterator<_Iterator>& __y)
{ return __y.base() - __x.base(); }
template<typename _Iterator>
inline reverse_iterator<_Iterator>
operator+(typename reverse_iterator<_Iterator>::difference_type __n,
const reverse_iterator<_Iterator>& __x)
{ return reverse_iterator<_Iterator>(__x.base() - __n); }
// 24.4.2.2.1 back_insert_iterator
template<typename _Container>
class back_insert_iterator
: public iterator<output_iterator_tag, void, void, void, void>
{
protected:
_Container* container;
public:
typedef _Container container_type;
explicit
back_insert_iterator(_Container& __x) : container(&__x) { }
back_insert_iterator&
operator=(typename _Container::const_reference __value)
{
container->push_back(__value);
return *this;
}
back_insert_iterator&
operator*() { return *this; }
back_insert_iterator&
operator++() { return *this; }
back_insert_iterator
operator++(int) { return *this; }
};
template<typename _Container>
inline back_insert_iterator<_Container>
back_inserter(_Container& __x)
{ return back_insert_iterator<_Container>(__x); }
template<typename _Container>
class front_insert_iterator
: public iterator<output_iterator_tag, void, void, void, void>
{
protected:
_Container* container;
public:
typedef _Container container_type;
explicit front_insert_iterator(_Container& __x) : container(&__x) { }
front_insert_iterator&
operator=(typename _Container::const_reference __value)
{
container->push_front(__value);
return *this;
}
front_insert_iterator&
operator*() { return *this; }
front_insert_iterator&
operator++() { return *this; }
front_insert_iterator
operator++(int) { return *this; }
};
template<typename _Container>
inline front_insert_iterator<_Container>
front_inserter(_Container& __x)
{ return front_insert_iterator<_Container>(__x); }
template<typename _Container>
class insert_iterator
: public iterator<output_iterator_tag, void, void, void, void>
{
protected:
_Container* container;
typename _Container::iterator iter;
public:
typedef _Container container_type;
insert_iterator(_Container& __x, typename _Container::iterator __i)
: container(&__x), iter(__i) {}
insert_iterator&
operator=(const typename _Container::const_reference __value)
{
iter = container->insert(iter, __value);
++iter;
return *this;
}
insert_iterator&
operator*() { return *this; }
insert_iterator&
operator++() { return *this; }
insert_iterator&
operator++(int) { return *this; }
};
template<typename _Container, typename _Iterator>
inline insert_iterator<_Container>
inserter(_Container& __x, _Iterator __i)
{
return insert_iterator<_Container>(__x,
typename _Container::iterator(__i));
}
// This iterator adapter is 'normal' in the sense that it does not
// change the semantics of any of the operators of its iterator
// parameter. Its primary purpose is to convert an iterator that is
// not a class, e.g. a pointer, into an iterator that is a class.
// The _Container parameter exists solely so that different containers
// using this template can instantiate different types, even if the
// _Iterator parameter is the same.
template<typename _Iterator, typename _Container>
class __normal_iterator
: public iterator<typename iterator_traits<_Iterator>::iterator_category,
typename iterator_traits<_Iterator>::value_type,
typename iterator_traits<_Iterator>::difference_type,
typename iterator_traits<_Iterator>::pointer,
typename iterator_traits<_Iterator>::reference>
{
protected:
_Iterator _M_current;
public:
typedef typename iterator_traits<_Iterator>::difference_type
difference_type;
typedef typename iterator_traits<_Iterator>::reference reference;
typedef typename iterator_traits<_Iterator>::pointer pointer;
__normal_iterator() : _M_current(_Iterator()) { }
explicit
__normal_iterator(const _Iterator& __i) : _M_current(__i) { }
// Allow iterator to const_iterator conversion
template<typename _Iter>
inline __normal_iterator(const __normal_iterator<_Iter, _Container>& __i)
: _M_current(__i.base()) { }
// Forward iterator requirements
reference
operator*() const { return *_M_current; }
pointer
operator->() const { return _M_current; }
__normal_iterator&
operator++() { ++_M_current; return *this; }
__normal_iterator
operator++(int) { return __normal_iterator(_M_current++); }
// Bidirectional iterator requirements
__normal_iterator&
operator--() { --_M_current; return *this; }
__normal_iterator
operator--(int) { return __normal_iterator(_M_current--); }
// Random access iterator requirements
reference
operator[](const difference_type& __n) const
{ return _M_current[__n]; }
__normal_iterator&
operator+=(const difference_type& __n)
{ _M_current += __n; return *this; }
__normal_iterator
operator+(const difference_type& __n) const
{ return __normal_iterator(_M_current + __n); }
__normal_iterator&
operator-=(const difference_type& __n)
{ _M_current -= __n; return *this; }
__normal_iterator
operator-(const difference_type& __n) const
{ return __normal_iterator(_M_current - __n); }
difference_type
operator-(const __normal_iterator& __i) const
{ return _M_current - __i._M_current; }
const _Iterator&
base() const { return _M_current; }
};
// Forward iterator requirements
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator==(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return __lhs.base() == __rhs.base(); }
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator!=(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return !(__lhs == __rhs); }
// Random access iterator requirements
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return __lhs.base() < __rhs.base(); }
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator>(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return __rhs < __lhs; }
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator<=(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return !(__rhs < __lhs); }
template<typename _IteratorL, typename _IteratorR, typename _Container>
inline bool
operator>=(const __normal_iterator<_IteratorL, _Container>& __lhs,
const __normal_iterator<_IteratorR, _Container>& __rhs)
{ return !(__lhs < __rhs); }
template<typename _Iterator, typename _Container>
inline __normal_iterator<_Iterator, _Container>
operator+(typename __normal_iterator<_Iterator, _Container>::difference_type __n,
const __normal_iterator<_Iterator, _Container>& __i)
{ return __normal_iterator<_Iterator, _Container>(__i.base() + __n); }
} // namespace std
#endif
// Local Variables:
// mode:C++
// End: