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answervalidatorold.h

00001 /***************************************************************************
00002     Copyright 2007 Frederik Gladhorn <frederik.gladhorn@kdemail.net>
00003  ***************************************************************************/
00004 
00005 /***************************************************************************
00006  *                                                                         *
00007  *   This program is free software; you can redistribute it and/or modify  *
00008  *   it under the terms of the GNU General Public License as published by  *
00009  *   the Free Software Foundation; either version 2 of the License, or     *
00010  *   (at your option) any later version.                                   *
00011  *                                                                         *
00012  ***************************************************************************/
00013 #ifndef ANSWERVALIDATOROLD_H
00014 #define ANSWERVALIDATOROLD_H
00015 
00016 #include "testentry.h"
00017 
00018 #include <QtCore/QString>
00019 #include <QtCore/QPair>
00020 
00021 class KEduVocDocument;
00022 namespace Sonnet {
00023     class Speller;
00024 }
00025 
00031 class AnswerValidatorOld{
00032 public:
00033     AnswerValidatorOld(KEduVocDocument* doc);
00034 
00035     ~AnswerValidatorOld();
00036 
00037     bool spellcheckerAvailable();
00038 
00043     void setTestEntry(TestEntry* entry);
00044 
00049     void setLanguage(int translation);
00050 
00057     void checkUserAnswer(const QString& userAnswer);
00058     void checkUserAnswer(const QString& solution, const QString& userAnswer, const QString& language = QString());
00059 
00060 private:
00064     void defaultCorrector();
00065 
00069     void simpleCorrector();
00070 
00079     int levenshteinDistance(const QString& s, const QString& t);
00080 
00081     bool spellcheckerMisspelled(const QString& s);
00082 
00083     bool spellcheckerInSuggestionList(const QString& solution, const QString& userAnswer);
00084 
00092     void wordCompare(const QString& solution, const QString& userWord, double& grade, TestEntry::ErrorTypes& errorTypes);
00093 
00097     void sentenceAnalysis();
00098 
00105     QList< QPair < QString, QString > > bestPairs(const QStringList& solutionWords , const QStringList& userAnswerWords );
00106 
00108     KEduVocDocument* m_doc;
00109 
00111     TestEntry* m_entry;
00112     int m_translation;
00113 
00115     QString m_solution;
00116 
00118     QString m_userAnswer;
00119 
00121     QByteArray m_d;
00122 
00124     Sonnet::Speller* m_speller;
00125     bool m_spellerAvailable;
00126 
00127     static const double LEVENSHTEIN_THRESHOLD;
00128     static const double UNRELATED_WORD_GRADE;
00129     static const double FALSE_FRIEND_GRADE;
00130     static const double SPELLING_MISTAKE_PER_LETTER_PUNISHMENT;
00131     static const double ACCENT_MISTAKE_PUNISHMENT;
00132     static const double CAPITALIZATION_MISTAKE_PUNISHMENT;
00133     static const double WRONG_ARTICLE_PUNISHMENT;
00134 };
00135 
00136 #endif
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answervalidatorold.h

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