// 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) based on code by Marc Shapiro (shapiro@sor.inria.fr) This file is part of GNU CC. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. No author or distributor accepts responsibility to anyone for the consequences of using it or for whether it serves any particular purpose or works at all, unless he says so in writing. Refer to the GNU CC General Public License for full details. Everyone is granted permission to copy, modify and redistribute GNU CC, but only under the conditions described in the GNU CC General Public License. A copy of this license is supposed to have been given to you along with GNU CC so you can know your rights and responsibilities. It should be in a file named COPYING. Among other things, the copyright notice and this notice must be preserved on all copies. */ #ifndef _XPDeque_h #ifdef __GNUG__ #pragma once #pragma interface #endif #define _XPDeque_h #include ".XPlex.h" #include ".Deque.h" class XPDeque : public Deque { XPlex p; public: XPDeque(int chunksize = DEFAULT_INITIAL_CAPACITY); XPDeque(const XPDeque& d); ~XPDeque(); void operator = (const XPDeque&); void push( item); // insert at front void enq( item); // insert at rear & front(); & rear(); deq(); void del_front(); void del_rear(); void clear(); int empty(); int full(); int length(); int OK(); }; #if defined(__OPTIMIZE__) || defined(USE_LIBGXX_INLINES) inline XPDeque::XPDeque(int chunksize) : p(chunksize) {} inline XPDeque::XPDeque(const XPDeque& d) : p(d.p) {} inline XPDeque::~XPDeque() {} inline void XPDeque::push(item) { p.add_low(item); } inline void XPDeque::enq(item) { p.add_high(item); } inline XPDeque::deq() { res = p.low_element(); p.del_low(); return res; } inline & XPDeque::front() { return p.low_element(); } inline & XPDeque::rear() { return p.high_element(); } inline void XPDeque::del_front() { p.del_low(); } inline void XPDeque::del_rear() { p.del_high(); } inline void XPDeque::operator =(const XPDeque& s) { p.operator = (s.p); } inline int XPDeque::empty() { return p.empty(); } inline int XPDeque::full() { return p.full(); } inline int XPDeque::length() { return p.length(); } inline int XPDeque::OK() { return p.OK(); } inline void XPDeque::clear() { p.clear(); } #endif #endif