common/positionlist.h

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00001 /* positionlist.h
00002  *
00003  * ----START-LICENCE----
00004  * Copyright 1999,2000,2001 BrightStation PLC
00005  * Copyright 2003,2004 Olly Betts
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License as
00009  * published by the Free Software Foundation; either version 2 of the
00010  * License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00020  * USA
00021  * -----END-LICENCE-----
00022  */
00023 
00024 #ifndef OM_HGUARD_POSITIONLIST_H
00025 #define OM_HGUARD_POSITIONLIST_H
00026 
00027 #include <string>
00028 
00029 #include <xapian/types.h>
00030 #include <xapian/error.h>
00031 #include <xapian/positioniterator.h>
00032 
00033 using namespace std;
00034 
00036 class Xapian::PositionIterator::Internal : public Xapian::Internal::RefCntBase
00037 {
00038     private:
00040         Internal(const Internal &);
00041 
00043         void operator=(const Internal &);
00044     public:
00046         Internal() { }
00047 
00049         virtual ~Internal() { }
00050 
00055         virtual Xapian::termcount get_size() const = 0;
00056 
00058         virtual Xapian::termpos get_position() const = 0;
00059 
00065         virtual void next() = 0;
00066 
00072         virtual void skip_to(Xapian::termpos termpos) = 0;
00073 
00076         virtual bool at_end() const = 0;
00077 
00083         Xapian::termcount index;
00084 };
00085 
00086 typedef Xapian::PositionIterator::Internal PositionList;
00087 
00088 #endif /* OM_HGUARD_POSITIONLIST_H */

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