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// -*- Mode: C++ -*- |
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// GiSTcursor.h |
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// |
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// Copyright (c) 1996, Regents of the University of California |
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// $Header: /usr/local/devel/GiST/libGiST/libGiST/GiSTcursor.h,v 1.1.1.1 1996/08/06 23:47:21 jmh Exp $ |
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#ifndef GISTCURSOR_H |
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#define GISTCURSOR_H |
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#include "GiSTdefs.h" |
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#include "GiSTentry.h" |
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#include "GiSTpredicate.h" |
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#include "GiSTlist.h" |
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#include "GiSTpath.h" |
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class GiST; |
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class GiSTcursor: public GiSTobject { |
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public: |
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GiSTcursor(const GiST& gist, const GiSTpredicate& query); |
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GiSTentry *Next(); |
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GiSTobjid IsA() const { return GISTCURSOR_CLASS; } |
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~GiSTcursor(); |
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const GiSTpath& Path() const;
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private: |
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const GiST& gist; |
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GiSTpath path; |
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GiSTlist<GiSTentry*> stack; |
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int first; |
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GiSTpredicate *query; |
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int lastlevel; |
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}; |
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#endif |
