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114 lines
1.4 KiB
114 lines
1.4 KiB
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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listit.hxx
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Abstract:
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This is an implementation of iterator for LIST.
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Environment:
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ULIB, User Mode
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--*/
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#if ! defined( _LIST_ITERATOR_ )
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#define _LIST_ITERATOR_
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#include "iterator.hxx"
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#include "list.hxx"
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DECLARE_CLASS( LIST_ITERATOR );
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class LIST_ITERATOR : public ITERATOR {
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FRIEND class LIST;
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public:
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DECLARE_CONSTRUCTOR( LIST_ITERATOR );
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DECLARE_CAST_MEMBER_FUNCTION( LIST_ITERATOR );
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NONVIRTUAL
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BOOLEAN
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Initialize(
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IN PCLIST List
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);
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VIRTUAL
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VOID
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Reset(
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);
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VIRTUAL
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POBJECT
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GetCurrent(
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);
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VIRTUAL
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POBJECT
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GetNext(
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);
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VIRTUAL
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POBJECT
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GetPrevious(
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);
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private:
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POBJECT_LIST_NODE _current;
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PCLIST _list;
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NONVIRTUAL
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VOID
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Construct(
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);
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};
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INLINE
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VOID
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LIST_ITERATOR::Construct(
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)
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/*++
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Routine Description:
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This routine resets LIST_ITERATOR.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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_current = NULL;
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_list = NULL;
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}
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INLINE
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BOOLEAN
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LIST_ITERATOR::Initialize(
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IN PCLIST List
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)
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{
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DebugAssert(List);
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_list = List;
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return TRUE;
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}
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#endif // _LIST_ITERATOR_
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