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#include "qthelper.h"
#include "qt-gui.h"
#include <QRegExp>
#include <QDir>
#include <QDebug>
#include <QSettings>
#include <libxslt/documents.h>
#define tr(_arg) QObject::tr(_arg)
QString weight_string(int weight_in_grams)
{
QString str;
if (get_units()->weight == units::KG) {
int gr = weight_in_grams % 1000;
int kg = weight_in_grams / 1000;
if (kg >= 20.0) {
str = QString("0");
} else {
str = QString("%1.%2").arg(kg).arg((unsigned)(gr) / 100);
}
} else {
double lbs = grams_to_lbs(weight_in_grams);
str = QString("%1").arg(lbs, 0, 'f', lbs >= 40.0 ? 0 : 1);
}
return (str);
}
QString printGPSCoords(int lat, int lon)
{
unsigned int latdeg, londeg;
unsigned int latmin, lonmin;
double latsec, lonsec;
QString lath, lonh, result;
if (!lat && !lon)
return QString();
lath = lat >= 0 ? tr("N") : tr("S");
lonh = lon >= 0 ? tr("E") : tr("W");
lat = abs(lat);
lon = abs(lon);
latdeg = lat / 1000000;
londeg = lon / 1000000;
latmin = (lat % 1000000) * 60;
lonmin = (lon % 1000000) * 60;
latsec = (latmin % 1000000) * 60;
lonsec = (lonmin % 1000000) * 60;
result.sprintf("%u%s%02d\'%06.3f\"%s %u%s%02d\'%06.3f\"%s",
latdeg, UTF8_DEGREE, latmin / 1000000, latsec / 1000000, lath.toUtf8().data(),
londeg, UTF8_DEGREE, lonmin / 1000000, lonsec / 1000000, lonh.toUtf8().data());
return result;
}
bool parseGpsText(const QString &gps_text, double *latitude, double *longitude)
{
enum {
ISO6709D,
SECONDS,
MINUTES,
DECIMAL
} gpsStyle = ISO6709D;
int eastWest = 4;
int northSouth = 1;
QString trHemisphere[4];
trHemisphere[0] = tr("N");
trHemisphere[1] = tr("S");
trHemisphere[2] = tr("E");
trHemisphere[3] = tr("W");
QString regExp;
/* an empty string is interpreted as 0.0,0.0 and therefore "no gps location" */
if (gps_text.trimmed().isEmpty()) {
*latitude = 0.0;
*longitude = 0.0;
return true;
}
// trying to parse all formats in one regexp might be possible, but it seems insane
// so handle the four formats we understand separately
// ISO 6709 Annex D representation
// http://en.wikipedia.org/wiki/ISO_6709#Representation_at_the_human_interface_.28Annex_D.29
// e.g. 52°49'02.388"N 1°36'17.388"E
if (gps_text.at(0).isDigit() && (gps_text.count(",") % 2) == 0) {
gpsStyle = ISO6709D;
regExp = QString("(\\d+)[" UTF8_DEGREE "\\s](\\d+)[\'\\s](\\d+)([,\\.](\\d+))?[\"\\s]([NS%1%2])"
"\\s*(\\d+)[" UTF8_DEGREE "\\s](\\d+)[\'\\s](\\d+)([,\\.](\\d+))?[\"\\s]([EW%3%4])")
.arg(trHemisphere[0])
.arg(trHemisphere[1])
.arg(trHemisphere[2])
.arg(trHemisphere[3]);
} else if (gps_text.count(QChar('"')) == 2) {
gpsStyle = SECONDS;
regExp = QString("\\s*([NS%1%2])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)[\'\\s]+(\\d+)([,\\.](\\d+))?[^EW%3%4]*"
"([EW%5%6])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)[\'\\s]+(\\d+)([,\\.](\\d+))?")
.arg(trHemisphere[0])
.arg(trHemisphere[1])
.arg(trHemisphere[2])
.arg(trHemisphere[3])
.arg(trHemisphere[2])
.arg(trHemisphere[3]);
} else if (gps_text.count(QChar('\'')) == 2) {
gpsStyle = MINUTES;
regExp = QString("\\s*([NS%1%2])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)([,\\.](\\d+))?[^EW%3%4]*"
"([EW%5%6])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)([,\\.](\\d+))?")
.arg(trHemisphere[0])
.arg(trHemisphere[1])
.arg(trHemisphere[2])
.arg(trHemisphere[3])
.arg(trHemisphere[2])
.arg(trHemisphere[3]);
} else {
gpsStyle = DECIMAL;
regExp = QString("\\s*([-NS%1%2]?)\\s*(\\d+)[,\\.](\\d+)[^-EW%3%4\\d]*([-EW%5%6]?)\\s*(\\d+)[,\\.](\\d+)")
.arg(trHemisphere[0])
.arg(trHemisphere[1])
.arg(trHemisphere[2])
.arg(trHemisphere[3])
.arg(trHemisphere[2])
.arg(trHemisphere[3]);
}
QRegExp r(regExp);
if (r.indexIn(gps_text) != -1) {
// qDebug() << "Hemisphere" << r.cap(1) << "deg" << r.cap(2) << "min" << r.cap(3) << "decimal" << r.cap(4);
// qDebug() << "Hemisphere" << r.cap(5) << "deg" << r.cap(6) << "min" << r.cap(7) << "decimal" << r.cap(8);
switch (gpsStyle) {
case ISO6709D:
*latitude = r.cap(1).toInt() + r.cap(2).toInt() / 60.0 +
(r.cap(3) + QString(".") + r.cap(5)).toDouble() / 3600.0;
*longitude = r.cap(7).toInt() + r.cap(8).toInt() / 60.0 +
(r.cap(9) + QString(".") + r.cap(11)).toDouble() / 3600.0;
northSouth = 6;
eastWest = 12;
break;
case SECONDS:
*latitude = r.cap(2).toInt() + r.cap(3).toInt() / 60.0 +
(r.cap(4) + QString(".") + r.cap(6)).toDouble() / 3600.0;
*longitude = r.cap(8).toInt() + r.cap(9).toInt() / 60.0 +
(r.cap(10) + QString(".") + r.cap(12)).toDouble() / 3600.0;
eastWest = 7;
break;
case MINUTES:
*latitude = r.cap(2).toInt() + (r.cap(3) + QString(".") + r.cap(5)).toDouble() / 60.0;
*longitude = r.cap(7).toInt() + (r.cap(8) + QString(".") + r.cap(10)).toDouble() / 60.0;
eastWest = 6;
break;
case DECIMAL:
default:
*latitude = (r.cap(2) + QString(".") + r.cap(3)).toDouble();
*longitude = (r.cap(5) + QString(".") + r.cap(6)).toDouble();
break;
}
if (r.cap(northSouth) == "S" || r.cap(northSouth) == trHemisphere[1] || r.cap(northSouth) == "-")
*latitude *= -1.0;
if (r.cap(eastWest) == "W" || r.cap(eastWest) == trHemisphere[3] || r.cap(eastWest) == "-")
*longitude *= -1.0;
// qDebug("%s -> %8.5f / %8.5f", gps_text.toLocal8Bit().data(), *latitude, *longitude);
return true;
}
return false;
}
bool gpsHasChanged(struct dive *dive, struct dive *master, const QString &gps_text, bool *parsed)
{
double latitude, longitude;
int latudeg, longudeg;
/* if we have a master and the dive's gps address is different from it,
* don't change the dive */
if (master && (master->latitude.udeg != dive->latitude.udeg ||
master->longitude.udeg != dive->longitude.udeg))
return false;
if (!(*parsed = parseGpsText(gps_text, &latitude, &longitude)))
return false;
latudeg = rint(1000000 * latitude);
longudeg = rint(1000000 * longitude);
/* if dive gps didn't change, nothing changed */
if (dive->latitude.udeg == latudeg && dive->longitude.udeg == longudeg)
return false;
/* ok, update the dive and mark things changed */
dive->latitude.udeg = latudeg;
dive->longitude.udeg = longudeg;
return true;
}
QList<int> getDivesInTrip(dive_trip_t *trip)
{
QList<int> ret;
int i;
struct dive *d;
for_each_dive (i, d) {
if (d->divetrip == trip) {
ret.push_back(get_divenr(d));
}
}
return ret;
}
// we need this to be uniq, but also make sure
// it doesn't change during the life time of a Subsurface session
// oh, and it has no meaning whatsoever - that's why we have the
// silly initial number and increment by 3 :-)
int dive_getUniqID(struct dive *d)
{
static QSet<int> ids;
static int maxId = 83529;
int id = d->id;
if (id) {
if (!ids.contains(id)) {
qDebug() << "WTF - only I am allowed to create IDs";
ids.insert(id);
}
return id;
}
maxId += 3;
id = maxId;
Q_ASSERT(!ids.contains(id));
ids.insert(id);
return id;
}
static xmlDocPtr get_stylesheet_doc(const xmlChar *uri, xmlDictPtr, int, void *, xsltLoadType)
{
QFile f(QLatin1String(":/xslt/") + (const char *)uri);
if (!f.open(QIODevice::ReadOnly))
return NULL;
/* Load and parse the data */
QByteArray source = f.readAll();
xmlDocPtr doc = xmlParseMemory(source, source.size());
return doc;
}
extern "C" xsltStylesheetPtr get_stylesheet(const char *name)
{
// this needs to be done only once, but doesn't hurt to run every time
xsltSetLoaderFunc(get_stylesheet_doc);
// get main document:
xmlDocPtr doc = get_stylesheet_doc((const xmlChar *)name, NULL, 0, NULL, XSLT_LOAD_START);
if (!doc)
return NULL;
// xsltSetGenericErrorFunc(stderr, NULL);
xsltStylesheetPtr xslt = xsltParseStylesheetDoc(doc);
if (!xslt) {
xmlFreeDoc(doc);
return NULL;
}
return xslt;
}
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