WSJT-X/decodedtext.cpp

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#include <QStringList>
#include <QDebug>
#include "decodedtext.h"
QString DecodedText::CQersCall()
{
// extract the CQer's call TODO: does this work with all call formats?
int s1 {0};
int position;
if ((position = _string.indexOf (" CQ DX ")) >= 0)
{
s1 = 7 + position;
}
else if ((position = _string.indexOf (" CQ ")) >= 0)
{
s1 = 4 + position;
}
else if ((position = _string.indexOf (" DE ")) >= 0)
{
s1 = 4 + position;
}
else if ((position = _string.indexOf (" QRZ ")) >= 0)
{
s1 = 5 + position;
}
auto s2 = _string.indexOf (" ", s1);
return _string.mid (s1, s2 - s1);
}
bool DecodedText::isJT65()
{
return _string.indexOf("#") == column_mode;
}
bool DecodedText::isJT9()
{
return _string.indexOf("@") == column_mode;
}
bool DecodedText::isTX()
{
int i = _string.indexOf("Tx");
return (i >= 0 && i < 15); // TODO guessing those numbers. Does Tx ever move?
}
int DecodedText::frequencyOffset()
{
return _string.mid(column_freq,4).toInt();
}
int DecodedText::snr()
{
return _string.mid(column_snr,3).toInt();
}
/*
2343 -11 0.8 1259 # YV6BFE F6GUU R-08
2343 -19 0.3 718 # VE6WQ SQ2NIJ -14
2343 -7 0.3 815 # KK4DSD W7VP -16
2343 -13 0.1 3627 @ CT1FBK IK5YZT R+02
0605 Tx 1259 # CQ VK3ACF QF22
*/
// find and extract any report. Returns true if this is a standard message
bool DecodedText::report(QString const& myBaseCall, QString const& dxBaseCall, /*mod*/QString& report)
{
QString msg=_string.mid(column_qsoText);
int i1=msg.indexOf("\r");
if (i1>0)
msg=msg.mid(0,i1-1) + " ";
bool b = stdmsg_(msg.mid(0,22).toLatin1().constData(),22); // stdmsg is a fortran routine that packs the text, unpacks it and compares the result
QStringList w=msg.split(" ",QString::SkipEmptyParts);
if(b && (w[0] == myBaseCall
|| w[0].endsWith ("/" + myBaseCall)
|| w[0].startsWith (myBaseCall + "/")
|| (w.size () > 1 && !dxBaseCall.isEmpty ()
&& (w[1] == dxBaseCall
|| w[1].endsWith ("/" + dxBaseCall)
|| w[1].startsWith (dxBaseCall + "/")))))
{
QString tt="";
if(w.size() > 2) tt=w[2];
bool ok;
i1=tt.toInt(&ok);
if (ok and i1>=-50 and i1<50)
{
report = tt;
// qDebug() << "report for " << _string << "::" << report;
}
else
{
if (tt.mid(0,1)=="R")
{
i1=tt.mid(1).toInt(&ok);
if(ok and i1>=-50 and i1<50)
{
report = tt.mid(1);
// qDebug() << "report for " << _string << "::" << report;
}
}
}
}
return b;
}
// get the first text word, usually the call
QString DecodedText::call()
{
auto call = _string;
call = call.replace (" CQ DX ", " CQ_DX ").mid (column_qsoText);
int i = call.indexOf(" ");
return call.mid(0,i);
}
// get the second word, most likely the de call and the third word, most likely grid
void DecodedText::deCallAndGrid(/*out*/QString& call, QString& grid)
{
auto msg = _string;
msg = msg.replace (" CQ DX ", " CQ_DX ").mid (column_qsoText);
int i1 = msg.indexOf(" ");
call = msg.mid(i1+1);
int i2 = call.indexOf(" ");
grid = call.mid(i2+1,4);
call = call.mid(0,i2);
}
int DecodedText::timeInSeconds()
{
return 60*_string.mid(column_time,2).toInt() + _string.mid(2,2).toInt();
}
/*
2343 -11 0.8 1259 # YV6BFE F6GUU R-08
2343 -19 0.3 718 # VE6WQ SQ2NIJ -14
2343 -7 0.3 815 # KK4DSD W7VP -16
2343 -13 0.1 3627 @ CT1FBK IK5YZT R+02
0605 Tx 1259 # CQ VK3ACF QF22
*/
QString DecodedText::report() // returns a string of the SNR field with a leading + or - followed by two digits
{
int sr = snr();
if (sr<-50)
sr = -50;
else
if (sr > 49)
sr = 49;
QString rpt;
rpt.sprintf("%d",abs(sr));
if (sr > 9)
rpt = "+" + rpt;
else
if (sr >= 0)
rpt = "+0" + rpt;
else
if (sr >= -9)
rpt = "-0" + rpt;
else
rpt = "-" + rpt;
return rpt;
}