ListBase.h

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#ifndef __DCL_LIST_BASE_H__
#define __DCL_LIST_BASE_H__     20110303
 
#ifndef __DCL_OBJECT_H__
#include <dcl/Object.h>     // for __DCL_ASSERT
#endif
 
__DCL_BEGIN_NAMESPACE
 
#if __DCL_DEBUG
    static const char_t __szListBase_h__[] = __T("dcl/ListBase.h");
    #undef __THIS_FILE__
    #define __THIS_FILE__ __szListBase_h__
#endif
 
struct DCLCAPI NodeBase
{
    NodeBase* pPrev;
    NodeBase* pNext;
};
 
class ConstListIteratorBase;
class DCLCAPI ListIteratorBase
{
public:
    bool operator == (const ListIteratorBase& x) const;
    bool operator != (const ListIteratorBase& x) const;
 
protected:
    NodeBase*   __pNode;
    friend class ConstListIteratorBase;
};
 
class DCLCAPI ConstListIteratorBase
{
public:
    bool operator == (const ConstListIteratorBase& x) const;
    bool operator != (const ConstListIteratorBase& x) const;
 
    bool operator == (const ListIteratorBase& x) const;
    bool operator != (const ListIteratorBase& x) const;
 
protected:
    const NodeBase* __pNode;
};
 
inline bool 
ListIteratorBase::operator == (const ListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode == x.__pNode;
}
 
inline bool
ListIteratorBase::operator != (const ListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode != x.__pNode;
}
 
inline bool ConstListIteratorBase::operator == (const ConstListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode == x.__pNode;
}
 
inline bool ConstListIteratorBase::operator != (const ConstListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode != x.__pNode;
}
 
inline bool ConstListIteratorBase::operator == (const ListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode == x.__pNode;
}
 
inline bool ConstListIteratorBase::operator != (const ListIteratorBase& x) const
{
    __DCL_ASSERT(__pNode != NULL);
    __DCL_ASSERT(x.__pNode != NULL);
    return __pNode != x.__pNode;
}
 
#if __DCL_DEBUG
    #undef __THIS_FILE__
    #define __THIS_FILE__   __T(__FILE__)
#endif
 
__DCL_END_NAMESPACE
 
#endif      // __DCL_LIST_BASE_H__