mips-qca-linux-uclibc/include/c++/4.6.4/ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp - toolchains/windcharger - Git at Google

 // -*- C++ -*-

 // Copyright (C) 2005, 2006, 2009, 2010 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
 // representation about the suitability of this software for any
 // purpose. It is provided "as is" without express or implied
 // warranty.

 /**
  * @file point_iterators.hpp
  * Contains an implementation class for bin_search_tree_.
  */

 #ifndef PB_DS_BIN_SEARCH_TREE_FIND_ITERATORS_HPP
 #define PB_DS_BIN_SEARCH_TREE_FIND_ITERATORS_HPP

 #include <ext/pb_ds/tag_and_trait.hpp>
 #include <debug/debug.h>

 namespace __gnu_pbds
 {
   namespace detail
   {

 #define PB_DS_TREE_CONST_IT_C_DEC					\
     bin_search_tree_const_it_<						\
 						Node_Pointer,		\
 						Value_Type,		\
 						Pointer,		\
 						Const_Pointer,		\
 						Reference,		\
 						Const_Reference,	\
 						Is_Forward_Iterator,	\
 						Allocator>

 #define PB_DS_TREE_CONST_ODIR_IT_C_DEC					\
     bin_search_tree_const_it_<						\
 						Node_Pointer,		\
 						Value_Type,		\
 						Pointer,		\
 						Const_Pointer,		\
 						Reference,		\
 						Const_Reference,	\
 						!Is_Forward_Iterator,	\
 						Allocator>

 #define PB_DS_TREE_IT_C_DEC						\
     bin_search_tree_it_<						\
 						Node_Pointer,		\
 						Value_Type,		\
 						Pointer,		\
 						Const_Pointer,		\
 						Reference,		\
 						Const_Reference,	\
 						Is_Forward_Iterator,	\
 						Allocator>

 #define PB_DS_TREE_ODIR_IT_C_DEC					\
     bin_search_tree_it_<						\
 							Node_Pointer,	\
 							Value_Type,	\
 							Pointer,	\
 							Const_Pointer,	\
 							Reference,	\
 							Const_Reference, \
 							!Is_Forward_Iterator, \
 							Allocator>

     // Const iterator.
     template<typename Node_Pointer,
 	     typename Value_Type,
 	     typename Pointer,
 	     typename Const_Pointer,
 	     typename Reference,
 	     typename Const_Reference,
 	     bool Is_Forward_Iterator,
 	     class Allocator>
     class bin_search_tree_const_it_
     {

     public:

       typedef std::bidirectional_iterator_tag iterator_category;

       typedef typename Allocator::difference_type difference_type;

       typedef Value_Type value_type;

       typedef Pointer pointer;

       typedef Const_Pointer const_pointer;

       typedef Reference reference;

       typedef Const_Reference const_reference;

     public:

       inline
       bin_search_tree_const_it_(const Node_Pointer p_nd = 0)
       : m_p_nd(const_cast<Node_Pointer>(p_nd))
       { }

       inline
       bin_search_tree_const_it_(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other)
       : m_p_nd(other.m_p_nd)
       { }

       inline
       PB_DS_TREE_CONST_IT_C_DEC&
       operator=(const PB_DS_TREE_CONST_IT_C_DEC& other)
       {
 	m_p_nd = other.m_p_nd;
 	return *this;
       }

       inline
       PB_DS_TREE_CONST_IT_C_DEC&
       operator=(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other)
       {
 	m_p_nd = other.m_p_nd;
 	return *this;
       }

       inline const_pointer
       operator->() const
       {
 	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
 	return &m_p_nd->m_value;
       }

       inline const_reference
       operator*() const
       {
 	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
 	return m_p_nd->m_value;
       }

       inline bool
       operator==(const PB_DS_TREE_CONST_IT_C_DEC & other) const
       { return m_p_nd == other.m_p_nd; }

       inline bool
       operator==(const PB_DS_TREE_CONST_ODIR_IT_C_DEC & other) const
       { return m_p_nd == other.m_p_nd; }

       inline bool
       operator!=(const PB_DS_TREE_CONST_IT_C_DEC& other) const
       { return m_p_nd != other.m_p_nd; }

       inline bool
       operator!=(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other) const
       { return m_p_nd != other.m_p_nd; }

       inline PB_DS_TREE_CONST_IT_C_DEC&
       operator++()
       {
 	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
 	inc(integral_constant<int,Is_Forward_Iterator>());
 	return *this;
       }

       inline PB_DS_TREE_CONST_IT_C_DEC
       operator++(int)
       {
 	PB_DS_TREE_CONST_IT_C_DEC ret_it(m_p_nd);
 	operator++();
 	return ret_it;
       }

       inline PB_DS_TREE_CONST_IT_C_DEC&
       operator--()
       {
 	dec(integral_constant<int,Is_Forward_Iterator>());
 	return *this;
       }

       inline PB_DS_TREE_CONST_IT_C_DEC
       operator--(int)
       {
 	PB_DS_TREE_CONST_IT_C_DEC ret_it(m_p_nd);
 	operator--();
 	return ret_it;
       }

     protected:
       inline void
       inc(false_type)
       { dec(true_type()); }

       void
       inc(true_type)
       {
 	if (m_p_nd->special()&&
 	    m_p_nd->m_p_parent->m_p_parent == m_p_nd)
 	  {
 	    m_p_nd = m_p_nd->m_p_left;
 	    return;
 	  }

 	if (m_p_nd->m_p_right != 0)
 	  {
 	    m_p_nd = m_p_nd->m_p_right;
 	    while (m_p_nd->m_p_left != 0)
 	      m_p_nd = m_p_nd->m_p_left;
 	    return;
 	  }

 	Node_Pointer p_y = m_p_nd->m_p_parent;
 	while (m_p_nd == p_y->m_p_right)
 	  {
 	    m_p_nd = p_y;
 	    p_y = p_y->m_p_parent;
 	  }

 	if (m_p_nd->m_p_right != p_y)
 	  m_p_nd = p_y;
       }

       inline void
       dec(false_type)
       { inc(true_type()); }

       void
       dec(true_type)
       {
 	if (m_p_nd->special() && m_p_nd->m_p_parent->m_p_parent == m_p_nd)
 	  {
 	    m_p_nd = m_p_nd->m_p_right;
 	    return;
 	  }

 	if (m_p_nd->m_p_left != 0)
 	  {
 	    Node_Pointer p_y = m_p_nd->m_p_left;
 	    while (p_y->m_p_right != 0)
 	      p_y = p_y->m_p_right;
 	    m_p_nd = p_y;
 	    return;
 	  }

 	Node_Pointer p_y = m_p_nd->m_p_parent;
 	while (m_p_nd == p_y->m_p_left)
 	  {
 	    m_p_nd = p_y;
 	    p_y = p_y->m_p_parent;
 	  }
 	if (m_p_nd->m_p_left != p_y)
 	  m_p_nd = p_y;
       }

     public:
       Node_Pointer m_p_nd;
     };

     // Iterator.
     template<typename Node_Pointer,
 	     typename Value_Type,
 	     typename Pointer,
 	     typename Const_Pointer,
 	     typename Reference,
 	     typename Const_Reference,
 	     bool Is_Forward_Iterator,
 	     class Allocator>
     class bin_search_tree_it_ :
       public PB_DS_TREE_CONST_IT_C_DEC

     {

     public:

       inline
       bin_search_tree_it_(const Node_Pointer p_nd = 0)
       : PB_DS_TREE_CONST_IT_C_DEC((Node_Pointer)p_nd)
       { }

       inline
       bin_search_tree_it_(const PB_DS_TREE_ODIR_IT_C_DEC& other)
       : PB_DS_TREE_CONST_IT_C_DEC(other.m_p_nd)
       { }

       inline
       PB_DS_TREE_IT_C_DEC&
       operator=(const PB_DS_TREE_IT_C_DEC& other)
       {
 	base_it_type::m_p_nd = other.m_p_nd;
 	return *this;
       }

       inline
       PB_DS_TREE_IT_C_DEC&
       operator=(const PB_DS_TREE_ODIR_IT_C_DEC& other)
       {
 	base_it_type::m_p_nd = other.m_p_nd;
 	return *this;
       }

       inline typename PB_DS_TREE_CONST_IT_C_DEC::pointer
       operator->() const
       {
 	_GLIBCXX_DEBUG_ASSERT(base_it_type::m_p_nd != 0);
 	return &base_it_type::m_p_nd->m_value;
       }

       inline typename PB_DS_TREE_CONST_IT_C_DEC::reference
       operator*() const
       {
 	_GLIBCXX_DEBUG_ASSERT(base_it_type::m_p_nd != 0);
 	return base_it_type::m_p_nd->m_value;
       }

       inline PB_DS_TREE_IT_C_DEC&
       operator++()
       {
 	PB_DS_TREE_CONST_IT_C_DEC:: operator++();
 	return *this;
       }

       inline PB_DS_TREE_IT_C_DEC
       operator++(int)
       {
 	PB_DS_TREE_IT_C_DEC ret_it(base_it_type::m_p_nd);
 	operator++();
 	return ret_it;
       }

       inline PB_DS_TREE_IT_C_DEC&
       operator--()
       {
 	PB_DS_TREE_CONST_IT_C_DEC:: operator--();
 	return *this;
       }

       inline PB_DS_TREE_IT_C_DEC
       operator--(int)
       {
 	PB_DS_TREE_IT_C_DEC ret_it(base_it_type::m_p_nd);
 	operator--();
 	return ret_it;
       }

     protected:
       typedef PB_DS_TREE_CONST_IT_C_DEC base_it_type;
     };

 #undef PB_DS_TREE_CONST_IT_C_DEC
 #undef PB_DS_TREE_CONST_ODIR_IT_C_DEC
 #undef PB_DS_TREE_IT_C_DEC
 #undef PB_DS_TREE_ODIR_IT_C_DEC

   } // namespace detail
 } // namespace __gnu_pbds

 #endif
	// -- C++ --

	// Copyright (C) 2005, 2006, 2009, 2010 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
	// representation about the suitability of this software for any
	// purpose. It is provided "as is" without express or implied
	// warranty.

	/**
	* @file point_iterators.hpp
	* Contains an implementation class for bin_search_tree_.
	*/

	#ifndef PB_DS_BIN_SEARCH_TREE_FIND_ITERATORS_HPP
	#define PB_DS_BIN_SEARCH_TREE_FIND_ITERATORS_HPP

	#include <ext/pb_ds/tag_and_trait.hpp>
	#include <debug/debug.h>

	namespace __gnu_pbds
	{
	namespace detail
	{

	#define PB_DS_TREE_CONST_IT_C_DEC \
	bin_search_tree_const_it_< \
	Node_Pointer, \
	Value_Type, \
	Pointer, \
	Const_Pointer, \
	Reference, \
	Const_Reference, \
	Is_Forward_Iterator, \
	Allocator>

	#define PB_DS_TREE_CONST_ODIR_IT_C_DEC \
	bin_search_tree_const_it_< \
	Node_Pointer, \
	Value_Type, \
	Pointer, \
	Const_Pointer, \
	Reference, \
	Const_Reference, \
	!Is_Forward_Iterator, \
	Allocator>

	#define PB_DS_TREE_IT_C_DEC \
	bin_search_tree_it_< \
	Node_Pointer, \
	Value_Type, \
	Pointer, \
	Const_Pointer, \
	Reference, \
	Const_Reference, \
	Is_Forward_Iterator, \
	Allocator>

	#define PB_DS_TREE_ODIR_IT_C_DEC \
	bin_search_tree_it_< \
	Node_Pointer, \
	Value_Type, \
	Pointer, \
	Const_Pointer, \
	Reference, \
	Const_Reference, \
	!Is_Forward_Iterator, \
	Allocator>

	// Const iterator.
	template<typename Node_Pointer,
	typename Value_Type,
	typename Pointer,
	typename Const_Pointer,
	typename Reference,
	typename Const_Reference,
	bool Is_Forward_Iterator,
	class Allocator>
	class bin_search_tree_const_it_
	{

	public:

	typedef std::bidirectional_iterator_tag iterator_category;

	typedef typename Allocator::difference_type difference_type;

	typedef Value_Type value_type;

	typedef Pointer pointer;

	typedef Const_Pointer const_pointer;

	typedef Reference reference;

	typedef Const_Reference const_reference;

	public:

	inline
	bin_search_tree_const_it_(const Node_Pointer p_nd = 0)
	: m_p_nd(const_cast<Node_Pointer>(p_nd))
	{ }

	inline
	bin_search_tree_const_it_(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other)
	: m_p_nd(other.m_p_nd)
	{ }

	inline
	PB_DS_TREE_CONST_IT_C_DEC&
	operator=(const PB_DS_TREE_CONST_IT_C_DEC& other)
	{
	m_p_nd = other.m_p_nd;
	return *this;
	}

	inline
	PB_DS_TREE_CONST_IT_C_DEC&
	operator=(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other)
	{
	m_p_nd = other.m_p_nd;
	return *this;
	}

	inline const_pointer
	operator->() const
	{
	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
	return &m_p_nd->m_value;
	}

	inline const_reference
	operator*() const
	{
	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
	return m_p_nd->m_value;
	}

	inline bool
	operator==(const PB_DS_TREE_CONST_IT_C_DEC & other) const
	{ return m_p_nd == other.m_p_nd; }

	inline bool
	operator==(const PB_DS_TREE_CONST_ODIR_IT_C_DEC & other) const
	{ return m_p_nd == other.m_p_nd; }

	inline bool
	operator!=(const PB_DS_TREE_CONST_IT_C_DEC& other) const
	{ return m_p_nd != other.m_p_nd; }

	inline bool
	operator!=(const PB_DS_TREE_CONST_ODIR_IT_C_DEC& other) const
	{ return m_p_nd != other.m_p_nd; }

	inline PB_DS_TREE_CONST_IT_C_DEC&
	operator++()
	{
	_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
	inc(integral_constant<int,Is_Forward_Iterator>());
	return *this;
	}

	inline PB_DS_TREE_CONST_IT_C_DEC
	operator++(int)
	{
	PB_DS_TREE_CONST_IT_C_DEC ret_it(m_p_nd);
	operator++();
	return ret_it;
	}

	inline PB_DS_TREE_CONST_IT_C_DEC&
	operator--()
	{
	dec(integral_constant<int,Is_Forward_Iterator>());
	return *this;
	}

	inline PB_DS_TREE_CONST_IT_C_DEC
	operator--(int)
	{
	PB_DS_TREE_CONST_IT_C_DEC ret_it(m_p_nd);
	operator--();
	return ret_it;
	}

	protected:
	inline void
	inc(false_type)
	{ dec(true_type()); }

	void
	inc(true_type)
	{
	if (m_p_nd->special()&&
	m_p_nd->m_p_parent->m_p_parent == m_p_nd)
	{
	m_p_nd = m_p_nd->m_p_left;
	return;
	}

	if (m_p_nd->m_p_right != 0)
	{
	m_p_nd = m_p_nd->m_p_right;
	while (m_p_nd->m_p_left != 0)
	m_p_nd = m_p_nd->m_p_left;
	return;
	}

	Node_Pointer p_y = m_p_nd->m_p_parent;
	while (m_p_nd == p_y->m_p_right)
	{
	m_p_nd = p_y;
	p_y = p_y->m_p_parent;
	}

	if (m_p_nd->m_p_right != p_y)
	m_p_nd = p_y;
	}

	inline void
	dec(false_type)
	{ inc(true_type()); }

	void
	dec(true_type)
	{
	if (m_p_nd->special() && m_p_nd->m_p_parent->m_p_parent == m_p_nd)
	{
	m_p_nd = m_p_nd->m_p_right;
	return;
	}

	if (m_p_nd->m_p_left != 0)
	{
	Node_Pointer p_y = m_p_nd->m_p_left;
	while (p_y->m_p_right != 0)
	p_y = p_y->m_p_right;
	m_p_nd = p_y;
	return;
	}

	Node_Pointer p_y = m_p_nd->m_p_parent;
	while (m_p_nd == p_y->m_p_left)
	{
	m_p_nd = p_y;
	p_y = p_y->m_p_parent;
	}
	if (m_p_nd->m_p_left != p_y)
	m_p_nd = p_y;
	}

	public:
	Node_Pointer m_p_nd;
	};

	// Iterator.
	template<typename Node_Pointer,
	typename Value_Type,
	typename Pointer,
	typename Const_Pointer,
	typename Reference,
	typename Const_Reference,
	bool Is_Forward_Iterator,
	class Allocator>
	class bin_search_tree_it_ :
	public PB_DS_TREE_CONST_IT_C_DEC

	{

	public:

	inline
	bin_search_tree_it_(const Node_Pointer p_nd = 0)
	: PB_DS_TREE_CONST_IT_C_DEC((Node_Pointer)p_nd)
	{ }

	inline
	bin_search_tree_it_(const PB_DS_TREE_ODIR_IT_C_DEC& other)
	: PB_DS_TREE_CONST_IT_C_DEC(other.m_p_nd)
	{ }

	inline
	PB_DS_TREE_IT_C_DEC&
	operator=(const PB_DS_TREE_IT_C_DEC& other)
	{
	base_it_type::m_p_nd = other.m_p_nd;
	return *this;
	}

	inline
	PB_DS_TREE_IT_C_DEC&
	operator=(const PB_DS_TREE_ODIR_IT_C_DEC& other)
	{
	base_it_type::m_p_nd = other.m_p_nd;
	return *this;
	}

	inline typename PB_DS_TREE_CONST_IT_C_DEC::pointer
	operator->() const
	{
	_GLIBCXX_DEBUG_ASSERT(base_it_type::m_p_nd != 0);
	return &base_it_type::m_p_nd->m_value;
	}

	inline typename PB_DS_TREE_CONST_IT_C_DEC::reference
	operator*() const
	{
	_GLIBCXX_DEBUG_ASSERT(base_it_type::m_p_nd != 0);
	return base_it_type::m_p_nd->m_value;
	}

	inline PB_DS_TREE_IT_C_DEC&
	operator++()
	{
	PB_DS_TREE_CONST_IT_C_DEC:: operator++();
	return *this;
	}

	inline PB_DS_TREE_IT_C_DEC
	operator++(int)
	{
	PB_DS_TREE_IT_C_DEC ret_it(base_it_type::m_p_nd);
	operator++();
	return ret_it;
	}

	inline PB_DS_TREE_IT_C_DEC&
	operator--()
	{
	PB_DS_TREE_CONST_IT_C_DEC:: operator--();
	return *this;
	}

	inline PB_DS_TREE_IT_C_DEC
	operator--(int)
	{
	PB_DS_TREE_IT_C_DEC ret_it(base_it_type::m_p_nd);
	operator--();
	return ret_it;
	}

	protected:
	typedef PB_DS_TREE_CONST_IT_C_DEC base_it_type;
	};

	#undef PB_DS_TREE_CONST_IT_C_DEC
	#undef PB_DS_TREE_CONST_ODIR_IT_C_DEC
	#undef PB_DS_TREE_IT_C_DEC
	#undef PB_DS_TREE_ODIR_IT_C_DEC

	} // namespace detail
	} // namespace __gnu_pbds

	#endif