[773] | 1 | /* -------------------------------------------------------------------------
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| 2 | * BKG NTRIP Server
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| 3 | * -------------------------------------------------------------------------
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| 4 | *
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| 5 | * Class: bncutils
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| 6 | *
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| 7 | * Purpose: Auxiliary Functions
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| 8 | *
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| 9 | * Author: L. Mervart
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| 10 | *
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| 11 | * Created: 08-Apr-2008
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| 12 | *
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| 13 | * Changes:
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| 14 | *
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| 15 | * -----------------------------------------------------------------------*/
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| 16 |
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| 17 | #include <iostream>
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| 18 | #include <ctime>
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| 19 | #include <math.h>
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| 20 |
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| 21 | #include <QRegExp>
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| 22 | #include <QStringList>
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| 23 | #include <QDateTime>
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| 24 |
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| 25 | #include "bnsutils.h"
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| 26 |
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| 27 | using namespace std;
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| 28 |
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| 29 | //
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| 30 | ////////////////////////////////////////////////////////////////////////////
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| 31 | void expandEnvVar(QString& str) {
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| 32 |
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| 33 | QRegExp rx("(\\$\\{.+\\})");
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| 34 |
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| 35 | if (rx.indexIn(str) != -1) {
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| 36 | QStringListIterator it(rx.capturedTexts());
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| 37 | if (it.hasNext()) {
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| 38 | QString rxStr = it.next();
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| 39 | QString envVar = rxStr.mid(2,rxStr.length()-3);
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| 40 | str.replace(rxStr, qgetenv(envVar.toAscii()));
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | }
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| 45 |
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| 46 | //
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| 47 | ////////////////////////////////////////////////////////////////////////////
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| 48 | QDateTime dateAndTimeFromGPSweek(int GPSWeek, double GPSWeeks) {
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| 49 |
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| 50 | static const QDate zeroEpoch(1980, 1, 6);
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| 51 |
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| 52 | QDate date(zeroEpoch);
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| 53 | QTime time(0,0,0,0);
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| 54 |
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| 55 | int weekDays = int(GPSWeeks) / 86400;
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| 56 | date = date.addDays( GPSWeek * 7 + weekDays );
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| 57 | time = time.addMSecs( int( (GPSWeeks - 86400 * weekDays) * 1e3 ) );
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| 58 |
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| 59 | return QDateTime(date,time);
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| 60 | }
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| 61 |
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| 62 | //
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| 63 | ////////////////////////////////////////////////////////////////////////////
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| 64 | void GPSweekFromDateAndTime(const QDateTime& dateTime,
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| 65 | int& GPSWeek, double& GPSWeeks) {
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| 66 |
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[774] | 67 | static const QDateTime zeroEpoch(QDate(1980, 1, 6));
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| 68 |
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| 69 | GPSWeek = zeroEpoch.daysTo(dateTime) / 7;
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[773] | 70 |
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[774] | 71 | GPSWeeks = (dateTime.date().dayOfWeek() - 1) * 86400.0
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| 72 | - dateTime.time().msecsTo(QTime()) / 1e3;
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[773] | 73 | }
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| 74 |
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| 75 | //
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| 76 | ////////////////////////////////////////////////////////////////////////////
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| 77 | void currentGPSWeeks(int& week, double& sec) {
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| 78 |
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| 79 | QDateTime currDateTime = QDateTime::currentDateTime().toUTC();
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| 80 | QDate currDate = currDateTime.date();
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| 81 | QTime currTime = currDateTime.time();
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| 82 |
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| 83 | week = int( (double(currDate.toJulianDay()) - 2444244.5) / 7 );
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| 84 |
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| 85 | sec = (currDate.dayOfWeek() % 7) * 24.0 * 3600.0 +
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| 86 | currTime.hour() * 3600.0 +
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| 87 | currTime.minute() * 60.0 +
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| 88 | currTime.second() +
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| 89 | currTime.msec() / 1000.0;
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| 90 | }
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