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Various KML/KMZ parsing fixes and code cleanup

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This commit is contained in:
Martin Tůma
2022-09-02 22:53:38 +02:00
parent b156e25023
commit fafe6c4b03
5 changed files with 147 additions and 104 deletions
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7
src/common/util.cpp
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@ -1,6 +1,7 @@
#include <cctype>
#include <cmath>
#include <QFileInfo>
#include <QTemporaryDir>
#ifdef Q_OS_ANDROID
#include <QUrl>
#include <QCoreApplication>
@ -139,3 +140,9 @@ QString Util::displayName(const QString &path)
return path;
#endif // Q_OS_ANDROID
}
const QTemporaryDir &Util::tempDir()
{
static QTemporaryDir dir;
return dir;
}

3
src/common/util.h
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@ -3,12 +3,15 @@
#include <QString>
class QTemporaryDir;
namespace Util
{
int str2int(const char *str, int len);
double niceNum(double x, bool round);
QString file2name(const QString &path);
QString displayName(const QString &path);
const QTemporaryDir &tempDir();
}
#endif // UTIL_H

11
src/data/gpiparser.cpp
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@ -11,6 +11,7 @@
#include "common/garmin.h"
#include "common/textcodec.h"
#include "common/color.h"
#include "common/util.h"
#include "address.h"
#include "gpiparser.h"
@ -388,12 +389,6 @@ static quint32 readAddress(DataStream &stream, Waypoint &waypoint)
return rs + rh.size;
}
static const QTemporaryDir &tempDir()
{
static QTemporaryDir dir;
return dir;
}
static quint32 readImageInfo(DataStream &stream, Waypoint &waypoint,
const QString &fileName, int &imgId)
{
@ -408,12 +403,12 @@ static quint32 readImageInfo(DataStream &stream, Waypoint &waypoint,
ba.resize(size);
stream.readRawData(ba.data(), ba.size());
if (tempDir().isValid()) {
if (Util::tempDir().isValid()) {
QBuffer buf(&ba);
QImageReader ir(&buf);
QByteArray id(fileName.toUtf8() + QByteArray::number(imgId++));
QFile imgFile(tempDir().path() + "/" + QString("%0.%1").arg(
QFile imgFile(Util::tempDir().path() + "/" + QString("%0.%1").arg(
QCryptographicHash::hash(id, QCryptographicHash::Sha1).toHex(),
QString(ir.format())));
imgFile.open(QIODevice::WriteOnly);

227
src/data/kmlparser.cpp
View File

@ -18,14 +18,9 @@
#include <QUrl>
#include <QRegularExpression>
#include <private/qzipreader_p.h>
#include "common/util.h"
#include "kmlparser.h"
static const QTemporaryDir &tempDir()
{
static QTemporaryDir dir;
return dir;
}
static bool isZIP(QFile *file)
{
quint32 magic;
@ -496,6 +491,9 @@ void KMLParser::multiGeometry(QList<TrackData> &tracks, QList<Area> &areas,
QVector<Waypoint> &waypoints, const QString &name, const QString &desc,
const QDateTime &timestamp)
{
TrackData *tp = 0;
Area *ap = 0;
while (_reader.readNextStartElement()) {
if (_reader.name() == QLatin1String("Point")) {
waypoints.append(Waypoint());
@ -505,18 +503,22 @@ void KMLParser::multiGeometry(QList<TrackData> &tracks, QList<Area> &areas,
w.setTimestamp(timestamp);
point(w);
} else if (_reader.name() == QLatin1String("LineString")) {
tracks.append(TrackData());
TrackData &t = tracks.last();
t.append(SegmentData());
t.setName(name);
t.setDescription(desc);
lineString(t.last());
if (!tp) {
tracks.append(TrackData());
tp = &tracks.last();
tp->setName(name);
tp->setDescription(desc);
}
tp->append(SegmentData());
lineString(tp->last());
} else if (_reader.name() == QLatin1String("Polygon")) {
areas.append(Area());
Area &a = areas.last();
a.setName(name);
a.setDescription(desc);
polygon(a);
if (!ap) {
areas.append(Area());
ap = &areas.last();
ap->setName(name);
ap->setDescription(desc);
}
polygon(*ap);
} else
_reader.skipCurrentElement();
}
@ -525,65 +527,55 @@ void KMLParser::multiGeometry(QList<TrackData> &tracks, QList<Area> &areas,
void KMLParser::photoOverlay(const Ctx &ctx, QVector<Waypoint> &waypoints,
QMap<QString, QPixmap> &icons)
{
QString name, desc, phone, address, path, link, id;
QDateTime timestamp;
QString img, id;
Waypoint w;
static QRegularExpression re("\\$\\[[^\\]]+\\]");
while (_reader.readNextStartElement()) {
if (_reader.name() == QLatin1String("name"))
name = _reader.readElementText();
w.setName(_reader.readElementText());
else if (_reader.name() == QLatin1String("description"))
desc = _reader.readElementText();
w.setDescription(_reader.readElementText());
else if (_reader.name() == QLatin1String("phoneNumber"))
phone = _reader.readElementText();
w.setPhone(_reader.readElementText());
else if (_reader.name() == QLatin1String("address"))
address = _reader.readElementText();
w.setAddress(_reader.readElementText());
else if (_reader.name() == QLatin1String("TimeStamp"))
timestamp = timeStamp();
else if (_reader.name() == QLatin1String("Style"))
w.setTimestamp(timeStamp());
else if (_reader.name() == QLatin1String("Style")) {
style(ctx.dir, icons);
else if (_reader.name() == QLatin1String("Icon")) {
QString image(icon());
QRegularExpression re("\\$\\[[^\\]]+\\]");
image.replace(re, "0");
QUrl url(image);
if (url.scheme() == "http" || url.scheme() == "https")
link = image;
else {
if (ctx.zip) {
if (tempDir().isValid()) {
QFileInfo fi(image);
QByteArray id(ctx.path.toUtf8() + image.toUtf8());
path = tempDir().path() + "/" + QString("%0.%1").arg(
QCryptographicHash::hash(id, QCryptographicHash::Sha1)
.toHex(), QString(fi.suffix()));
QFile::rename(ctx.dir.absoluteFilePath(image), path);
}
} else
path = ctx.dir.absoluteFilePath(image);
}
} else if (_reader.name() == QLatin1String("Point")) {
waypoints.append(Waypoint());
Waypoint &w = waypoints.last();
w.setName(name);
w.setDescription(desc);
w.setTimestamp(timestamp);
w.setAddress(address);
w.setPhone(phone);
w.setIcon(icons.value(id));
if (!path.isNull())
w.addImage(path);
if (!link.isNull())
w.addLink(Link(link, "Photo Overlay"));
id = QString();
} else if (_reader.name() == QLatin1String("StyleMap"))
styleMap(icons);
else if (_reader.name() == QLatin1String("Icon"))
img = icon();
else if (_reader.name() == QLatin1String("Point"))
point(w);
} else if (_reader.name() == QLatin1String("styleUrl")) {
id = _reader.readElementText();
id = (id.at(0) == '#') ? id.right(id.size() - 1) : QString();
} else
else if (_reader.name() == QLatin1String("styleUrl"))
id = styleUrl();
else
_reader.skipCurrentElement();
}
if (!w.coordinates().isNull()) {
w.setIcon(icons.value(id));
img.replace(re, "0");
if (!QUrl(img).scheme().isEmpty())
w.addLink(Link(img, "Photo Overlay"));
else if (ctx.zip && Util::tempDir().isValid()) {
QFileInfo fi(img);
QByteArray id(ctx.path.toUtf8() + img.toUtf8());
QString path(Util::tempDir().path() + "/" + QString("%0.%1")
.arg(QCryptographicHash::hash(id, QCryptographicHash::Sha1)
.toHex(), QString(fi.suffix())));
QFile::rename(ctx.dir.absoluteFilePath(img), path);
w.addImage(path);
} else if (!ctx.zip)
w.addImage(ctx.dir.absoluteFilePath(img));
waypoints.append(w);
}
}
void KMLParser::placemark(const Ctx &ctx, QList<TrackData> &tracks,
@ -592,6 +584,9 @@ void KMLParser::placemark(const Ctx &ctx, QList<TrackData> &tracks,
{
QString name, desc, phone, address, id;
QDateTime timestamp;
Waypoint *wp = 0;
TrackData *tp = 0;
Area *ap = 0;
while (_reader.readNextStartElement()) {
if (_reader.name() == QLatin1String("name"))
@ -604,53 +599,56 @@ void KMLParser::placemark(const Ctx &ctx, QList<TrackData> &tracks,
address = _reader.readElementText();
else if (_reader.name() == QLatin1String("TimeStamp"))
timestamp = timeStamp();
else if (_reader.name() == QLatin1String("Style"))
else if (_reader.name() == QLatin1String("Style")) {
style(ctx.dir, icons);
id = QString();
} else if (_reader.name() == QLatin1String("StyleMap"))
styleMap(icons);
else if (_reader.name() == QLatin1String("MultiGeometry"))
multiGeometry(tracks, areas, waypoints, name, desc, timestamp);
else if (_reader.name() == QLatin1String("Point")) {
waypoints.append(Waypoint());
Waypoint &w = waypoints.last();
w.setName(name);
w.setDescription(desc);
w.setTimestamp(timestamp);
w.setAddress(address);
w.setPhone(phone);
w.setIcon(icons.value(id));
point(w);
wp = &waypoints.last();
point(*wp);
} else if (_reader.name() == QLatin1String("LineString")
|| _reader.name() == QLatin1String("LinearRing")) {
tracks.append(TrackData());
TrackData &t = tracks.last();
t.append(SegmentData());
t.setName(name);
t.setDescription(desc);
lineString(t.last());
tp = &tracks.last();
tp->append(SegmentData());
lineString(tp->last());
} else if (_reader.name() == QLatin1String("Track")) {
tracks.append(TrackData());
TrackData &t = tracks.last();
t.append(SegmentData());
t.setName(name);
t.setDescription(desc);
track(t.last());
tp = &tracks.last();
tp->append(SegmentData());
track(tp->last());
} else if (_reader.name() == QLatin1String("MultiTrack")) {
tracks.append(TrackData());
TrackData &t = tracks.last();
t.setName(name);
t.setDescription(desc);
multiTrack(t);
tp = &tracks.last();
multiTrack(*tp);
} else if (_reader.name() == QLatin1String("Polygon")) {
areas.append(Area());
Area &a = areas.last();
a.setName(name);
a.setDescription(desc);
polygon(a);
} else if (_reader.name() == QLatin1String("styleUrl")) {
id = _reader.readElementText();
id = (id.at(0) == '#') ? id.right(id.size() - 1) : QString();
} else
ap = &areas.last();
polygon(*ap);
} else if (_reader.name() == QLatin1String("styleUrl"))
id = styleUrl();
else
_reader.skipCurrentElement();
}
if (wp) {
wp->setName(name);
wp->setDescription(desc);
wp->setTimestamp(timestamp);
wp->setAddress(address);
wp->setPhone(phone);
wp->setIcon(icons.value(id));
} else if (tp) {
tp->setName(name);
tp->setDescription(desc);
} else if (ap) {
ap->setName(name);
ap->setDescription(desc);
}
}
QString KMLParser::icon()
@ -667,6 +665,12 @@ QString KMLParser::icon()
return path;
}
QString KMLParser::styleUrl()
{
QString id(_reader.readElementText());
return (id.at(0) == '#') ? id.right(id.size() - 1) : QString();
}
void KMLParser::iconStyle(const QDir &dir, const QString &id,
QMap<QString, QPixmap> &icons)
{
@ -678,6 +682,35 @@ void KMLParser::iconStyle(const QDir &dir, const QString &id,
}
}
void KMLParser::styleMapPair(const QString &id, QMap<QString, QPixmap> &icons)
{
QString key, url;
while (_reader.readNextStartElement()) {
if (_reader.name() == QLatin1String("key"))
key = _reader.readElementText();
else if (_reader.name() == QLatin1String("styleUrl"))
url = styleUrl();
else
_reader.skipCurrentElement();
}
if (key == "normal")
icons.insert(id, icons.value(url));
}
void KMLParser::styleMap(QMap<QString, QPixmap> &icons)
{
QString id = _reader.attributes().value("id").toString();
while (_reader.readNextStartElement()) {
if (_reader.name() == QLatin1String("Pair"))
styleMapPair(id, icons);
else
_reader.skipCurrentElement();
}
}
void KMLParser::style(const QDir &dir, QMap<QString, QPixmap> &icons)
{
QString id = _reader.attributes().value("id").toString();
@ -724,6 +757,8 @@ void KMLParser::document(const Ctx &ctx, QList<TrackData> &tracks,
photoOverlay(ctx, waypoints, icons);
else if (_reader.name() == QLatin1String("Style"))
style(ctx.dir, icons);
else if (_reader.name() == QLatin1String("StyleMap"))
styleMap(icons);
else
_reader.skipCurrentElement();
}

3
src/data/kmlparser.h
View File

@ -58,7 +58,10 @@ private:
qreal number();
QDateTime time();
QString icon();
QString styleUrl();
void style(const QDir &dir, QMap<QString, QPixmap> &icons);
void styleMapPair(const QString &id, QMap<QString, QPixmap> &icons);
void styleMap(QMap<QString, QPixmap> &icons);
void iconStyle(const QDir &dir, const QString &id,
QMap<QString, QPixmap> &icons);