gtref.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 94 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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#ifndef __GTREF_H__
#define __GTREF_H__

#include <wtptlist.hpp>
#include "wbrdefs.h"
#include "gtbase.h"
#include "wbrwin.h"

class TreeRefNode;
typedef TemplateList<TreeRefNode *> TreeRefList;

class TreeRefPtr : public TreePtr
{
public:
            TreeRefPtr( TreeNode * from, TreeNode * to )
                : TreePtr( from, to )
                , _numRefs( 1 ) {}

            void        incRefs() { _numRefs += 1; }

    virtual PaintInfo * getPaintInfo();
    virtual TreePtr *   makeClone( void );

private:
            int         _numRefs;
};

class TreeRefNode : public TreeNode
{
public:
            TreeRefNode( TreeWindow * prt, TreeNode * ref, TreeNode * prnod );
    virtual ~TreeRefNode();

    virtual int         getLevel( void ) const;
    virtual uint_32     getHandle( void ) const { return _ref->getHandle(); }
    virtual char *      name() { return _ref->name(); }
    virtual bool        isRelated( TreeNode * rel ) { return _ref->isRelated( rel ); }
    virtual bool        isReference( void ) const { return TRUE; }
    virtual void        deleteTree( void ) { _ref->deleteTree(); }
    virtual Symbol *    makeSymbol( void ) { return _ref->makeSymbol(); }

    virtual const char *className() const { return "TreeRefNode"; }

            TreeNode *  refersTo( void ) const { return _ref; }

protected:
    virtual TreePtr*    getPtr( TreeList_T list, int index );
    virtual TreeNode*   getNode( TreeList_T list, int index );
    virtual int         getCount( TreeList_T list );
    virtual TreeNode *  removeNode( TreeList_T, TreeNode * );
    virtual void        addPtr( TreeList_T, TreePtr * );
    virtual void        swapNode( TreeList_T list, TreeNode * from, TreeNode * to );
    virtual PaintInfo * getPaintInfo( void ) { return _ref->getPaintInfo(); }
    virtual void        sortPrtKids(){}
private:
            TreeNode*   _ref;           // who I refer to
            TreePtrList _parents;
            short       _level;
};

#endif // __GTREF_H__