logsui/logscntfinder/src/logspredictive12keytranslator.cpp
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permissions -rw-r--r--
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <QObject>
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#include <QLocale>
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#include <QHash>
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#include <QRegExp>
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#include <hbinputkeymapfactory.h>
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#include <hbinputkeymap.h>
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#include <hbinputsettingproxy.h>
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#include "logspredictive12keytranslator.h"
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#include "logslogger.h"
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::LogsPredictive12KeyTranslator()
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// -----------------------------------------------------------------------------
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//
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LogsPredictive12KeyTranslator::LogsPredictive12KeyTranslator( 
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                                                    const HbInputLanguage& lang ) 
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    : LogsPredictiveTranslator( lang )
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{
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    LOGS_QDEBUG( "logs [FINDER] -> LogsPredictive12KeyTranslator::\
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LogsPredictive12KeyTranslator()" )
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    LOGS_QDEBUG( "logs [FINDER] <- LogsPredictive12KeyTranslator::\
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LogsPredictive12KeyTranslator()" )
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}
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::~LogsPredictive12KeyTranslator()
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// -----------------------------------------------------------------------------
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//
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LogsPredictive12KeyTranslator::~LogsPredictive12KeyTranslator()
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{
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    LOGS_QDEBUG( "logs [FINDER] -> LogsPredictive12KeyTranslator::\
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~LogsPredictive12KeyTranslator()" )
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    LOGS_QDEBUG( "logs [FINDER] <- LogsPredictive12KeyTranslator::\
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~LogsPredictive12KeyTranslator()" )
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}
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::translateChar()
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// -----------------------------------------------------------------------------
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//
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const QString LogsPredictive12KeyTranslator::translateChar( 
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        const QChar character ) const
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{
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    const HbMappedKey* mappedKey = 0;
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    if ( mKeyMap ) {
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        mappedKey = mKeyMap->keyForCharacter( HbKeyboardVirtual12Key, character );
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        if ( !mappedKey ) {
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            mappedKey = mKeyMap->keyForCharacter( HbKeyboardSctPortrait, character );
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            return mappedKey ? QString( StarKey ) : QString();
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        }
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    }
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    return mappedKey ? QString( mappedKey->keycode ) : QString();
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}
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::match()
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// -----------------------------------------------------------------------------
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//
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bool LogsPredictive12KeyTranslator::match( 
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        const QString& pattern, 
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        LogsCntTokenIterator& names ) const
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{
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    QString modifiedPattern = pattern;
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    modifiedPattern = trimPattern( modifiedPattern, true );
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    bool match = doSimpleMatch( modifiedPattern, names ); 
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    if (!match && hasPatternSeparators( modifiedPattern ) ) {
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        QStringList patternArray = patternTokens( modifiedPattern );
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        match = doComplexMatch( patternArray, names );
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        if (!match ) {
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            for(int i=0;i<patternArray.length();i++ ) {
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                trimPattern( patternArray[i] );
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            }
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            match = doComplexMatch( patternArray, names );
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        }
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    }
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    return match;
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}
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::doSimpleMatch()
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// -----------------------------------------------------------------------------
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//
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bool LogsPredictive12KeyTranslator::doSimpleMatch( 
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                        const QString& pattern,
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                        LogsCntTokenIterator& names ) const
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{
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    int matchCount = 0;
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    names.toFront();
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    while( names.hasNext() && !matchCount ) {
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        matchCount = (int)names.next().translation().startsWith( pattern );
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    }
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    return matchCount > 0;
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}
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// -----------------------------------------------------------------------------
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// LogsPredictive12KeyTranslator::doComplexMatch()
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// -----------------------------------------------------------------------------
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//
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bool LogsPredictive12KeyTranslator::doComplexMatch( 
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                        const QStringList& patternArray,
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                        LogsCntTokenIterator& names ) const
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{
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    const bool zero = false;
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    names.toFront();
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    int targetMatchCount = patternArray.count();
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    int namesCount = names.count();
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    //if pattern has more tokens than name(s), it is a missmatch
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    if ( namesCount < targetMatchCount ) {
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        return false;
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    }
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    QListIterator<QString> patterns( patternArray );
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    QVector<bool> matchVector(targetMatchCount, zero );
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    int currentPattern = 0;
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    int matchCount = 0;
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    bool match = false;
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    while( names.hasNext() && matchCount < targetMatchCount ) {
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        LogsCntToken name = names.next();
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        currentPattern = 0;
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        patterns.toFront();
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        match = false;
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        while ( !name.text().isEmpty() && 
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                 patterns.hasNext() && !match ) {
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            QString pattern = patterns.next();
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            //unique match check
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            if ( !matchVector.at( currentPattern ) ) {
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                match = matchVector[ currentPattern ] 
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                      = name.translation().startsWith( pattern );
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                matchCount = match ? matchCount+1 : matchCount;
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            }
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            currentPattern++;
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        }
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    }
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    return matchCount >= targetMatchCount;
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    }
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