cdesktopenv/cde/programs/nsgmls/IListBase.h

104 lines
2.0 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: IListBase.h /main/1 1996/07/29 16:53:26 cde-hp $ */
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef IListBase_INCLUDED
#define IListBase_INCLUDED 1
#include "Link.h"
#include "Boolean.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SP_API IListBase {
public:
IListBase();
IListBase(Link *);
void append(Link *);
void insert(Link *);
Link *head() const;
Boolean empty() const;
Link *get();
void remove(Link *);
void swap(IListBase &);
void clear();
private:
Link *head_;
friend class IListIterBase;
};
inline
IListBase::IListBase() : head_(0)
{
}
inline
IListBase::IListBase(Link *head) : head_(head)
{
}
inline
void IListBase::insert(Link *p)
{
p->next_ = head_;
head_ = p;
}
inline
Link *IListBase::head() const
{
return head_;
}
inline
Boolean IListBase::empty() const
{
return head_ == 0;
}
inline
Link *IListBase::get()
{
Link *tem = head_;
head_ = head_->next_;
return tem;
}
inline
void IListBase::swap(IListBase &list)
{
Link *tem = head_;
head_ = list.head_;
list.head_ = tem;
}
#ifdef SP_NAMESPACE
}
#endif
#endif /* not IListBase_INCLUDED */