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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "timequery.h"
#include <QtCore/QStringList>
#include <QtXmlPatterns/QXmlQuery>
TimeInformation::TimeInformation(const QString &time, const QString &direction)
: m_time(time), m_direction(direction)
{
}
QString TimeInformation::time() const
{
return m_time;
}
QString TimeInformation::direction() const
{
return m_direction;
}
TimeInformation::List TimeQuery::query(const QString &stationId, const QStringList &lineNumbers, const QDateTime &dateTime)
{
const TimeInformation::List information = queryInternal(stationId, dateTime);
TimeInformation::List filteredInformation;
if (!lineNumbers.isEmpty()) {
for (int i = 0; i < information.count(); ++i) {
const TimeInformation info = information.at(i);
for (int j = 0; j < lineNumbers.count(); ++j) {
if (info.direction().startsWith(QString("%1 ").arg(lineNumbers.at(j))))
filteredInformation.append(info);
}
}
} else {
filteredInformation = information;
}
return filteredInformation;
}
//! [1]
TimeInformation::List TimeQuery::queryInternal(const QString &stationId, const QDateTime &dateTime)
{
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()")
.arg(stationId)
.arg(dateTime.time().hour())
.arg(dateTime.time().minute())
.arg(dateTime.toString("dd.MM.yyyy"));
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()")
.arg(stationId)
.arg(dateTime.time().hour())
.arg(dateTime.time().minute())
.arg(dateTime.toString("dd.MM.yyyy"));
QStringList times;
QStringList directions;
QXmlQuery query;
query.setQuery(timesQueryUrl);
query.evaluateTo(×);
query.setQuery(directionsQueryUrl);
query.evaluateTo(&directions);
if (times.count() != directions.count()) // something went wrong...
return TimeInformation::List();
TimeInformation::List information;
for (int i = 0; i < times.count(); ++i)
information.append(TimeInformation(times.at(i).simplified(), directions.at(i).simplified()));
return information;
}
//! [1]
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