diff options
Diffstat (limited to 'examples/xmlpatterns/trafficinfo/timequery.cpp')
| -rw-r--r-- | examples/xmlpatterns/trafficinfo/timequery.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/examples/xmlpatterns/trafficinfo/timequery.cpp b/examples/xmlpatterns/trafficinfo/timequery.cpp new file mode 100644 index 0000000..bd63560 --- /dev/null +++ b/examples/xmlpatterns/trafficinfo/timequery.cpp @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** 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] |