modules/up/src/gnug++/NormalTermPtr.DLList.h
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FUNCTIONS
This source file includes following functions.
- NormalTermPtrDLListNode
- NormalTermPtrDLListNode
- NormalTermPtrDLListNode
- NormalTermPtrDLList
- NormalTermPtrDLListTrav
- NormalTermPtrDLList
- empty
- next
- prev
- first
- last
- front
- rear
// This may look like C code, but it is really -*- C++ -*-
// WARNING: This file is obsolete. Use ../DLList.h, if you can.
/*
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.
*/
#ifndef _NormalTermPtrDLList_h
#ifdef __GNUG__
#pragma interface
#endif
#define _NormalTermPtrDLList_h 1
#include "config.h"
#include "Pix.h"
#include "NormalTermPtr.defs.h"
#ifndef _NormalTermPtrDLListNode_h
#define _NormalTermPtrDLListNode_h 1
struct NormalTermPtrDLListNode
{
NormalTermPtrDLListNode* bk;
NormalTermPtrDLListNode* fd;
NormalTermPtr hd;
NormalTermPtrDLListNode();
NormalTermPtrDLListNode(const NormalTermPtr h,
NormalTermPtrDLListNode* p = 0,
NormalTermPtrDLListNode* n = 0);
~NormalTermPtrDLListNode();
};
inline NormalTermPtrDLListNode::NormalTermPtrDLListNode() {}
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inline NormalTermPtrDLListNode::NormalTermPtrDLListNode(const NormalTermPtr h, NormalTermPtrDLListNode* p,
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NormalTermPtrDLListNode* n)
:bk(p), fd(n), hd(h) {}
inline NormalTermPtrDLListNode::~NormalTermPtrDLListNode() {}
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typedef NormalTermPtrDLListNode* NormalTermPtrDLListNodePtr;
#endif
class NormalTermPtrDLList
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{
friend class NormalTermPtrDLListTrav;
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NormalTermPtrDLListNode* h;
public:
NormalTermPtrDLList();
NormalTermPtrDLList(const NormalTermPtrDLList& a);
~NormalTermPtrDLList();
NormalTermPtrDLList& operator = (const NormalTermPtrDLList& a);
int empty();
int length();
void clear();
Pix prepend(NormalTermPtr item);
Pix append(NormalTermPtr item);
void join(NormalTermPtrDLList&);
NormalTermPtr& front();
NormalTermPtr remove_front();
void del_front();
NormalTermPtr& rear();
NormalTermPtr remove_rear();
void del_rear();
NormalTermPtr& operator () (Pix p);
Pix first();
Pix last();
void next(Pix& p);
void prev(Pix& p);
int owns(Pix p);
Pix ins_after(Pix p, NormalTermPtr item);
Pix ins_before(Pix p, NormalTermPtr item);
void del(Pix& p, int dir = 1);
void del_after(Pix& p);
void error(const char* msg);
int OK();
};
inline NormalTermPtrDLList::~NormalTermPtrDLList()
{
clear();
}
inline NormalTermPtrDLList::NormalTermPtrDLList()
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{
h = 0;
}
inline int NormalTermPtrDLList::empty()
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{
return h == 0;
}
inline void NormalTermPtrDLList::next(Pix& p)
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{
p = (p == 0 || p == h->bk)? 0 : Pix(((NormalTermPtrDLListNode*)p)->fd);
}
inline void NormalTermPtrDLList::prev(Pix& p)
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{
p = (p == 0 || p == h)? 0 : Pix(((NormalTermPtrDLListNode*)p)->bk);
}
inline Pix NormalTermPtrDLList::first()
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{
return Pix(h);
}
inline Pix NormalTermPtrDLList::last()
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{
return (h == 0)? 0 : Pix(h->bk);
}
inline NormalTermPtr& NormalTermPtrDLList::operator () (Pix p)
{
if (p == 0) error("null Pix");
return ((NormalTermPtrDLListNode*)p)->hd;
}
inline NormalTermPtr& NormalTermPtrDLList::front()
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{
if (h == 0) error("front: empty list");
return h->hd;
}
inline NormalTermPtr& NormalTermPtrDLList::rear()
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{
if (h == 0) error("rear: empty list");
return h->bk->hd;
}
#endif