iterator.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2014 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 3, 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
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// warranty.
/**
* @file iterator.hpp
* Contains an iterator_ class used for ranging over the elements of the
* table.
*/
/// Range-type iterator.
class iterator_
: public const_iterator_
{
public:
/// Category.
typedef std::forward_iterator_tag iterator_category;
/// Difference type.
typedef typename _Alloc::difference_type difference_type;
/// Iterator's value type.
typedef value_type_ value_type;
/// Iterator's pointer type.
typedef pointer_ pointer;
/// Iterator's const pointer type.
typedef const_pointer_ const_pointer;
/// Iterator's reference type.
typedef reference_ reference;
/// Iterator's const reference type.
typedef const_reference_ const_reference;
/// Default constructor.
inline
iterator_()
: const_iterator_(0, PB_DS_GEN_POS(), 0) { }
/// Conversion to a point-type iterator.
inline
operator point_iterator_()
{ return point_iterator_(const_cast<pointer>(const_iterator_::m_p_value)); }
/// Conversion to a point-type iterator.
inline
operator const point_iterator_() const
{ return point_iterator_(const_cast<pointer>(const_iterator_::m_p_value)); }
/// Access.
pointer
operator->() const
{
_GLIBCXX_DEBUG_ASSERT(base_type::m_p_value != 0);
return (const_cast<pointer>(base_type::m_p_value));
}
/// Access.
reference
operator*() const
{
_GLIBCXX_DEBUG_ASSERT(base_type::m_p_value != 0);
return (const_cast<reference>(*base_type::m_p_value));
}
/// Increments.
iterator_&
operator++()
{
base_type::m_p_tbl->inc_it_state(base_type::m_p_value, base_type::m_pos);
return *this;
}
/// Increments.
iterator_
operator++(int)
{
iterator_ ret =* this;
base_type::m_p_tbl->inc_it_state(base_type::m_p_value, base_type::m_pos);
return ret;
}
protected:
typedef const_iterator_ base_type;
/**
* Constructor used by the table to initiate the generalized
* pointer and position (e.g., this is called from within a find()
* of a table.
* */
inline
iterator_(pointer p_value, PB_DS_GEN_POS pos, PB_DS_CLASS_C_DEC* p_tbl)
: const_iterator_(p_value, pos, p_tbl)
{ }
friend class PB_DS_CLASS_C_DEC;
};
iterator_::iterator_category
std::forward_iterator_tag iterator_category
Category.
Definition: iterator.hpp:48
iterator_::const_reference
const_reference_ const_reference
Iterator's const reference type.
Definition: iterator.hpp:66
const_iterator_
Const range-type iterator.
Definition: unordered_iterator/const_iterator.hpp:43
const_iterator_::m_p_tbl
const PB_DS_CLASS_C_DEC * m_p_tbl
Definition: unordered_iterator/const_iterator.hpp:106
iterator_::iterator_
iterator_(pointer p_value, PB_DS_GEN_POS pos, PB_DS_CLASS_C_DEC *p_tbl)
Definition: iterator.hpp:125
const_iterator_::pointer
pointer_ pointer
Iterator's pointer type.
Definition: unordered_iterator/const_iterator.hpp:57
iterator_::pointer
pointer_ pointer
Iterator's pointer type.
Definition: iterator.hpp:57
point_iterator_
Find type iterator.
Definition: point_iterator.hpp:43
iterator_::difference_type
_Alloc::difference_type difference_type
Difference type.
Definition: iterator.hpp:51
iterator_::operator*
reference operator*() const
Access.
Definition: iterator.hpp:93
iterator_
Range-type iterator.
Definition: iterator.hpp:43
iterator_::operator++
iterator_ operator++(int)
Increments.
Definition: iterator.hpp:109
std::forward_iterator_tag
Forward iterators support a superset of input iterator operations.
Definition: stl_iterator_base_types.h:95
iterator_::operator->
pointer operator->() const
Access.
Definition: iterator.hpp:85
iterator_::operator++
iterator_ & operator++()
Increments.
Definition: iterator.hpp:101
iterator_::const_pointer
const_pointer_ const_pointer
Iterator's const pointer type.
Definition: iterator.hpp:60
iterator_::value_type
value_type_ value_type
Iterator's value type.
Definition: iterator.hpp:54
iterator_::reference
reference_ reference
Iterator's reference type.
Definition: iterator.hpp:63
iterator_::iterator_
iterator_()
Default constructor.
Definition: iterator.hpp:70