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    41 

    42 #include "timequery.h"

    43 

    44 #include <QtCore/QStringList>

    45 #include <QtXmlPatterns/QXmlQuery>

    46 

    47 TimeInformation::TimeInformation(const QString &time, const QString &direction)

    48     : m_time(time), m_direction(direction)

    49 {

    50 }

    51 

    52 QString TimeInformation::time() const

    53 {

    54     return m_time;

    55 }

    56 

    57 QString TimeInformation::direction() const

    58 {

    59     return m_direction;

    60 }

    61 

    62 TimeInformation::List TimeQuery::query(const QString &stationId, const QStringList &lineNumbers, const QDateTime &dateTime)

    63 {

    64     const TimeInformation::List information = queryInternal(stationId, dateTime);

    65 

    66     TimeInformation::List filteredInformation;

    67 

    68     if (!lineNumbers.isEmpty()) {

    69         for (int i = 0; i < information.count(); ++i) {

    70             const TimeInformation info = information.at(i);

    71             for (int j = 0; j < lineNumbers.count(); ++j) {

    72                 if (info.direction().startsWith(QString("%1 ").arg(lineNumbers.at(j))))

    73                     filteredInformation.append(info);

    74             }

    75         }

    76     } else {

    77         filteredInformation = information;

    78     }

    79 

    80     return filteredInformation;

    81 }

    82 

    83 //! [1]

    84 TimeInformation::List TimeQuery::queryInternal(const QString &stationId, const QDateTime &dateTime)

    85 {

    86     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()")

    87                                          .arg(stationId)

    88                                          .arg(dateTime.time().hour())

    89                                          .arg(dateTime.time().minute())

    90                                          .arg(dateTime.toString("dd.MM.yyyy"));

    91     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()")

    92                                               .arg(stationId)

    93                                               .arg(dateTime.time().hour())

    94                                               .arg(dateTime.time().minute())

    95                                               .arg(dateTime.toString("dd.MM.yyyy"));

    96 

    97     QStringList times;

    98     QStringList directions;

    99 

   100     QXmlQuery query;

   101     query.setQuery(timesQueryUrl);

   102     query.evaluateTo(&times);

   103 

   104     query.setQuery(directionsQueryUrl);

   105     query.evaluateTo(&directions);

   106 

   107     if (times.count() != directions.count()) // something went wrong...

   108         return TimeInformation::List();

   109 

   110     TimeInformation::List information;

   111     for (int i = 0; i < times.count(); ++i)

   112         information.append(TimeInformation(times.at(i).simplified(), directions.at(i).simplified()));

   113 

   114     return information;

   115 }

   116 //! [1]