summaryrefslogtreecommitdiffstats
path: root/examples/xmlpatterns/trafficinfo/stationquery.cpp
blob: de67f733a237060627feea87d35a7567b6ae7863 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/****************************************************************************
**
** Copyright (C) 2013 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 "stationquery.h"

#include <QtCore/QStringList>
#include <QtXmlPatterns/QXmlQuery>

StationInformation::StationInformation()
{
}

StationInformation::StationInformation(const QString &id, const QString &name)
    : m_id(id), m_name(name)
{
}

QString StationInformation::id() const
{
    return m_id;
}

QString StationInformation::name() const
{
    return m_name;
}

//! [0]
StationInformation::List StationQuery::query(const QString &name)
{
    const QString stationIdQueryUrl = QString("doc(concat('http://wap.trafikanten.no/FromLink1.asp?fra=', $station))/wml/card/p/small/a[@title='Velg']/substring(@href,18)");
    const QString stationNameQueryUrl = QString("doc(concat('http://wap.trafikanten.no/FromLink1.asp?fra=', $station))/wml/card/p/small/a[@title='Velg']/string()");

    QStringList stationIds;
    QStringList stationNames;

    QXmlQuery query;

    query.bindVariable("station", QVariant(QString::fromLatin1(QUrl::toPercentEncoding(name))));
    query.setQuery(stationIdQueryUrl);
    query.evaluateTo(&stationIds);

    query.bindVariable("station", QVariant(QString::fromLatin1(QUrl::toPercentEncoding(name))));
    query.setQuery(stationNameQueryUrl);
    query.evaluateTo(&stationNames);

    if (stationIds.count() != stationNames.count()) // something went wrong...
        return StationInformation::List();

    StationInformation::List information;
    for (int i = 0; i < stationIds.count(); ++i)
        information.append(StationInformation(stationIds.at(i), stationNames.at(i)));

    return information;
}
//! [0]