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Added support for GPX files with multiple tracks

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This commit is contained in:
Martin Tůma
2016-02-08 17:53:09 +01:00
parent 82660caccb
commit 923a00479a
9 changed files with 179 additions and 159 deletions
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62
src/parser.cpp
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@ -1,96 +1,95 @@
#include "parser.h"
void Parser::handleExtensionData(QVector<TrackPoint> &data,
QStringRef element, const QString &value)
void Parser::handleExtensionData(QStringRef element, const QString &value)
{
if (element == "speed")
data.last().speed = value.toDouble();
_track->last().speed = value.toDouble();
}
void Parser::handleTrekPointData(QVector<TrackPoint> &data,
QStringRef element, const QString &value)
void Parser::handleTrekPointData(QStringRef element, const QString &value)
{
if (element == "ele")
data.last().elevation = value.toLatin1().toDouble();
_track->last().elevation = value.toLatin1().toDouble();
if (element == "time")
data.last().timestamp = QDateTime::fromString(value.toLatin1(),
_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
Qt::ISODate);
if (element == "geoidheight")
data.last().geoidheight = value.toLatin1().toDouble();
_track->last().geoidheight = value.toLatin1().toDouble();
}
void Parser::handleTrekPointAttributes(QVector<TrackPoint> &data,
const QXmlStreamAttributes &attr)
void Parser::handleTrekPointAttributes(const QXmlStreamAttributes &attr)
{
data.last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
data.last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
_track->last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
_track->last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
}
void Parser::extensions(QVector<TrackPoint> &data)
void Parser::extensions()
{
while (_reader.readNextStartElement()) {
if (_reader.name() == "speed")
handleExtensionData(data, _reader.name(), _reader.readElementText());
handleExtensionData(_reader.name(), _reader.readElementText());
else
_reader.skipCurrentElement();
}
}
void Parser::trekPointData(QVector<TrackPoint> &data)
void Parser::trackPointData()
{
while (_reader.readNextStartElement()) {
if (_reader.name() == "ele" || _reader.name() == "time"
|| _reader.name() == "geoidheight")
handleTrekPointData(data, _reader.name(), _reader.readElementText());
handleTrekPointData(_reader.name(), _reader.readElementText());
else if (_reader.name() == "extensions")
extensions(data);
extensions();
else
_reader.skipCurrentElement();
}
}
void Parser::trekPoints(QVector<TrackPoint> &data)
void Parser::trackPoints()
{
QXmlStreamAttributes attr;
while (_reader.readNextStartElement()) {
if (_reader.name() == "trkpt") {
attr = _reader.attributes();
data.append(TrackPoint());
handleTrekPointAttributes(data, attr);
trekPointData(data);
_track->append(TrackPoint());
handleTrekPointAttributes(attr);
trackPointData();
} else
_reader.skipCurrentElement();
}
}
void Parser::trek(QVector<TrackPoint> &data)
void Parser::track()
{
while (_reader.readNextStartElement()) {
if (_reader.name() == "trkseg") {
trekPoints(data);
trackPoints();
} else
_reader.skipCurrentElement();
}
}
void Parser::gpx(QVector<TrackPoint> &data)
void Parser::gpx()
{
while (_reader.readNextStartElement()) {
if (_reader.name() == "trk")
trek(data);
else
if (_reader.name() == "trk") {
_data->append(QVector<TrackPoint>());
_track = &_data->back();
track();
} else
_reader.skipCurrentElement();
}
}
bool Parser::parse(QVector<TrackPoint> &data)
bool Parser::parse()
{
if (_reader.readNextStartElement()) {
if (_reader.name() == "gpx")
gpx(data);
gpx();
else
_reader.raiseError("Not a GPX file.");
}
@ -98,10 +97,11 @@ bool Parser::parse(QVector<TrackPoint> &data)
return !_reader.error();
}
bool Parser::loadFile(QIODevice *device, QVector<TrackPoint> &data)
bool Parser::loadFile(QIODevice *device, QList<QVector<TrackPoint> > *data)
{
_reader.clear();
_reader.setDevice(device);
_data = data;
return parse(data);
return parse();
}