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Diffstat (limited to 'examples/xmlpatterns/trafficinfo/timequery.cpp')
| -rw-r--r-- | examples/xmlpatterns/trafficinfo/timequery.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/examples/xmlpatterns/trafficinfo/timequery.cpp b/examples/xmlpatterns/trafficinfo/timequery.cpp new file mode 100644 index 0000000..eaefaf7 --- /dev/null +++ b/examples/xmlpatterns/trafficinfo/timequery.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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 Nokia Corporation 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] |