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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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