Oh GACK! src-clean doesn't quite work that easily since cleandist rebuilds the

[unix-history] / gnu / lib / libg++ / g++-include / gen / SplayBag.hP

// This may look like C code, but it is really -*- C++ -*-
/* 
Copyright (C) 1988 Free Software Foundation
   written by Doug Lea (dl@rocky.oswego.edu)

This file is part of the GNU C++ Library.  This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// This may look like C code, but it is really -*- C++ -*-
/* 
Copyright (C) 1988, 1982 Free Software Foundation
   written by Doug Lea (dl@rocky.oswego.edu)

This file is part of the GNU C++ Library.  This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/


#ifndef _<T>SplayBag_h
#ifdef __GNUG__
#pragma interface
#endif
#define _<T>SplayBag_h 1

#include "<T>.Bag.h"
#include "<T>.SplayNode.h"

class <T>SplayBag : public <T>Bag
{
protected:
 <T>SplayNode*   root;

 <T>SplayNode*   leftmost();
 <T>SplayNode*   rightmost();
 <T>SplayNode*   pred(<T>SplayNode* t);
 <T>SplayNode*   succ(<T>SplayNode* t);
 void            _kill(<T>SplayNode* t);
 <T>SplayNode*   _copy(<T>SplayNode* t);
 void            _del(<T>SplayNode* t);

public:
                 <T>SplayBag();
                 <T>SplayBag(<T>SplayBag& a);
                 ~<T>SplayBag();

 Pix           add(<T&> item);
 void          del(<T&> item);
 void          remove(<T&>item);
 int           nof(<T&> item);
 int           contains(<T&> item);

 void          clear();

 Pix           first();
 void          next(Pix& i);
 <T>&          operator () (Pix i);
 Pix           seek(<T&> item, Pix from = 0);

 Pix           last();
 void          prev(Pix& i);

 int           OK();
};


inline <T>SplayBag::~<T>SplayBag()
{
 _kill(root);
}

inline <T>SplayBag::<T>SplayBag()
{
 root = 0;
 count = 0;
}

inline <T>SplayBag::<T>SplayBag(<T>SplayBag& b)
{
 count = b.count;
 root = _copy(b.root);
}

inline Pix <T>SplayBag::first()
{
 return Pix(leftmost());
}

inline Pix <T>SplayBag::last()
{
 return Pix(rightmost());
}

inline void <T>SplayBag::next(Pix& i)
{
 if (i != 0) i = Pix(succ((<T>SplayNode*)i));
}

inline void <T>SplayBag::prev(Pix& i)
{
 if (i != 0) i = Pix(pred((<T>SplayNode*)i));
}

inline <T>& <T>SplayBag::operator () (Pix i)
{
 if (i == 0) error("null Pix");
 return ((<T>SplayNode*)i)->item;
}

inline void <T>SplayBag::clear()
{
 _kill(root);
 count = 0;
 root = 0;
}

inline int <T>SplayBag::contains(<T&> key)
{
 return seek(key) != 0;
}

inline void <T>SplayBag::del(<T&> key)
{
 _del((<T>SplayNode*)(seek(key)));
}

#endif