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QueryDocument.hpp

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00001 /*==========================================================================
00002  * Copyright (c) 2003 Carnegie Mellon University.  All Rights Reserved.
00003  *
00004  * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
00005  * is subject to the terms of the software license set forth in the LICENSE
00006  * file included with this software, and also available at
00007  * http://www.lemurproject.org/license.html
00008  *
00009  *==========================================================================
00010  */
00011 
00012 // tnt - 2/2003
00013 
00014 #include "Document.hpp" 
00015 #include "TextHandler.hpp"
00016 #include "common_headers.hpp"
00017 
00018 #ifndef QUERYDOC_HPP
00019 #define QUERYDOC_HPP
00020 
00021 namespace lemur 
00022 {
00023   namespace api 
00024   {
00025     
00027 
00033     class QueryDocument: public Document, public TextHandler {
00034     public:
00035       QueryDocument();
00036       ~QueryDocument();
00037       void startTermIteration() const{iter = 0;}
00038       bool hasMore() const{ return iter < tokens.size();}
00039       void skipToEnd() const{iter = tokens.size();}
00040 
00042       const Term* nextTerm() const;
00043       void addTerm(const char* token);
00044       char* handleWord(char *word);
00045       char* handleSymbol(char *sym);
00046 
00047       const char *getID() const {return id;}
00048       void setID(const char* idstr) {id = strdup(idstr);}
00049 
00050     private:
00051       char* id;
00052       vector<char*> tokens;
00053       mutable int iter;
00054       mutable Term tt;
00055     };
00056   }
00057 }
00058 
00059 #endif

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