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/****************************************************************************
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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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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "timequery.h"
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#include <QtCore/QStringList>
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#include <QtXmlPatterns/QXmlQuery>
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TimeInformation::TimeInformation(const QString &time, const QString &direction)
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: m_time(time), m_direction(direction)
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{
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}
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QString TimeInformation::time() const
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{
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return m_time;
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}
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QString TimeInformation::direction() const
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{
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return m_direction;
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}
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TimeInformation::List TimeQuery::query(const QString &stationId, const QStringList &lineNumbers, const QDateTime &dateTime)
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{
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const TimeInformation::List information = queryInternal(stationId, dateTime);
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TimeInformation::List filteredInformation;
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if (!lineNumbers.isEmpty()) {
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for (int i = 0; i < information.count(); ++i) {
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const TimeInformation info = information.at(i);
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for (int j = 0; j < lineNumbers.count(); ++j) {
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if (info.direction().startsWith(QString("%1 ").arg(lineNumbers.at(j))))
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filteredInformation.append(info);
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}
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}
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} else {
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filteredInformation = information;
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}
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return filteredInformation;
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}
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//! [1]
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TimeInformation::List TimeQuery::queryInternal(const QString &stationId, const QDateTime &dateTime)
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{
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const QString timesQueryUrl = QString("doc('http://wap.trafikanten.no/F.asp?f=%1&t=%2&m=%3&d=%4&start=1')/wml/card/p/small/a[fn:starts-with(@href, 'Rute')]/string()")
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.arg(stationId)
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.arg(dateTime.time().hour())
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.arg(dateTime.time().minute())
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.arg(dateTime.toString("dd.MM.yyyy"));
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const QString directionsQueryUrl = QString("doc('http://wap.trafikanten.no/F.asp?f=%1&t=%2&m=%3&d=%4&start=1')/wml/card/p/small/text()[matches(., '[0-9].*')]/string()")
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.arg(stationId)
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.arg(dateTime.time().hour())
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.arg(dateTime.time().minute())
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.arg(dateTime.toString("dd.MM.yyyy"));
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QStringList times;
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QStringList directions;
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QXmlQuery query;
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query.setQuery(timesQueryUrl);
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query.evaluateTo(×);
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query.setQuery(directionsQueryUrl);
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query.evaluateTo(&directions);
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if (times.count() != directions.count()) // something went wrong...
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return TimeInformation::List();
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TimeInformation::List information;
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for (int i = 0; i < times.count(); ++i)
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information.append(TimeInformation(times.at(i).simplified(), directions.at(i).simplified()));
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return information;
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}
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//! [1]
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