TermPositions.h

00001 //
00002 // Copyright(C) 2005--2006 Institute of Computing Tech, Chinese Academy of Sciences. 
00003 // All rights reserved.
00004 // This file is part of FirteX (www.firtex.org)
00005 //
00006 // Use of the FirteX is subject to the terms of the software license set forth in 
00007 // the LICENSE file included with this software, and also available at
00008 // http://www.firtex.org/license.html
00009 //
00010 // Author       : 郭瑞杰(GuoRuijie)
00011 // Email        : ruijieguo@software.ict.ac.cn
00012 // Created      : 2005/7/17
00013 //
00014 #ifndef _TERMPOSITIONS_H
00015 #define _TERMPOSITIONS_H
00016 
00017 #include "TermDocs.h"
00018 
00019 namespace firtex
00020 {
00021         namespace index
00022         {
00023                 class CTermPositions : public CTermDocs
00024                 {
00025                 public:
00026 
00027                         CTermPositions(void)
00028                         {
00029                         }
00030 
00031                         virtual ~CTermPositions(void)
00032                         {
00033                         }
00034                 public:
00035                         
00039                         virtual loc_t nextPosition()=0;
00040                         
00046                         virtual count_t nextPositions(loc_t*& positions)=0;
00047 
00055                         virtual bool skipToPosition(loc_t target,loc_t& nearTarget)=0;
00056                 };
00057         }
00058 }
00059 
00060 
00061 #endif