81 lines
1.1 KiB
C
81 lines
1.1 KiB
C
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// Copyright (c) 1994 James Clark
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// See the file COPYING for copying permission.
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#ifndef IListBase_INCLUDED
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#define IListBase_INCLUDED 1
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#include "Link.h"
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#include "Boolean.h"
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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class SP_API IListBase {
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public:
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IListBase();
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IListBase(Link *);
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void append(Link *);
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void insert(Link *);
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Link *head() const;
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Boolean empty() const;
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Link *get();
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void remove(Link *);
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void swap(IListBase &);
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void clear();
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private:
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Link *head_;
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friend class IListIterBase;
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};
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inline
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IListBase::IListBase() : head_(0)
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{
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}
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inline
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IListBase::IListBase(Link *head) : head_(head)
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{
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}
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inline
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void IListBase::insert(Link *p)
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{
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p->next_ = head_;
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head_ = p;
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}
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inline
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Link *IListBase::head() const
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{
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return head_;
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}
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inline
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Boolean IListBase::empty() const
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{
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return head_ == 0;
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}
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inline
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Link *IListBase::get()
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{
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Link *tem = head_;
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head_ = head_->next_;
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return tem;
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}
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inline
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void IListBase::swap(IListBase &list)
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{
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Link *tem = head_;
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head_ = list.head_;
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list.head_ = tem;
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}
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#ifdef SP_NAMESPACE
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}
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#endif
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#endif /* not IListBase_INCLUDED */
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