diff -r d4d56f5e7c55 -r 65456528cac2 searchengine/oss/loc/analysisunittest/inc/evaluationtool.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searchengine/oss/loc/analysisunittest/inc/evaluationtool.h	Fri Oct 15 12:09:28 2010 +0530
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#ifndef EVALUATIONTOOL_H_
+#define EVALUATIONTOOL_H_
+
+#include <vector>
+#include <memory>
+#include <string>
+#include <bitset>
+
+#include "cpixmemtools.h"
+
+namespace lucene {
+	namespace analysis {
+		class Analyzer;
+	}
+	namespace store {
+		class FSDirectory;
+	}
+	namespace search {
+		class IndexSearcher;
+	}
+	namespace queryParser {
+		class QueryParser;
+	}
+	namespace util {
+		class Reader;
+	}
+}
+
+namespace evaluationtool 
+{
+	
+	/**
+	 * Loads and provides access to a corpus in foreign language
+	 */
+	class Corpus 
+	{
+		public:
+			Corpus(const char* file);
+			
+			const wchar_t* operator[](int i);
+			
+			int size(); 
+		
+		private: 
+		
+			std::vector<std::wstring> lines_; 
+	};
+	
+#define MAXLINES 1024
+
+	/**
+	 * Contains the corpus in indexed form so that it can be searched
+	 */
+	class PreparedCorpus 
+	{
+	public:
+		
+		PreparedCorpus( Corpus& corpus, 
+				        lucene::analysis::Analyzer& analyzer, 
+				        lucene::analysis::Analyzer* queryAnalyzer = NULL,
+				        lucene::analysis::Analyzer* prefixAnalyzer = NULL );
+		
+		int size();
+		
+		int indexSize();
+		
+		void search(const wchar_t* query, std::bitset<MAXLINES>& hits ); 
+
+	public: 
+		
+		int size_;
+		
+		std::auto_ptr<lucene::store::FSDirectory> dir_;
+		
+		std::auto_ptr<lucene::queryParser::QueryParser> queryParser_;
+		
+		std::auto_ptr<lucene::search::IndexSearcher> searcher_;
+		
+		lucene::analysis::Analyzer* prefixAnalyzer_; 
+	};
+	
+	class Results 
+		{
+		public: 
+			Results();
+		
+			Results(std::bitset<MAXLINES>& hits, int lines);
+			
+			Results(PreparedCorpus& corpus, 
+					const wchar_t* query);
+		
+			bool hit(int i);
+			
+			void append(bool hit);
+						
+			int length(); 
+			
+		private:
+			
+			std::bitset<MAXLINES> hits_;
+			
+			int lines_; 
+			
+		};
+	
+	/**
+	 * An entry containing the ideal and measured results for a query.
+	 */
+	class EvaluationRecordEntry {
+	public:
+		EvaluationRecordEntry(const wchar_t* query, 
+							  Results& ideal, 
+							  Results& measured);
+		
+		EvaluationRecordEntry(lucene::util::Reader& reader);
+		
+		EvaluationRecordEntry();
+		
+		std::wstring query_; 
+		Results ideal_; 
+		Results measured_; 
+	};
+	
+	/** 
+	 * Contains ideal results and measured results for all queries. 
+	 */
+	class EvaluationRecord  {
+		public: 
+	
+			EvaluationRecord(const char* file);
+			
+			int length();
+			
+			const wchar_t* query(int i); 
+			
+			Results& ideal(int i); 
+			
+			Results& measured(int i); 
+		
+		private:
+			
+			std::vector<EvaluationRecordEntry> entries_; 
+		
+	};
+	
+	/**
+	 * Provides information of how the measured search compared
+	 * to the ideal one. 
+	 */
+	class Evaluation
+	{
+		public:
+		
+			Evaluation(Results& ideal, Results& measured);
+
+			bool falsePositive(int line);
+
+			bool falseNegative(int line);
+
+			bool error(int line);
+		
+			int errors();
+			
+			int falsePositives(); 
+			
+			int falseNegatives(); 
+			
+		
+		private: 
+		
+			Results& ideal_; 
+	
+			Results& measured_; 
+			
+	};
+
+}
+
+#endif /* EVALUATIONTOOL_H_ */