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Detect textmessage being a SELCAL call

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This commit is contained in:
Klaus Basan
2014-01-30 14:08:30 +01:00
committed by Mathew Sutcliffe
parent f5ec7ea864
commit e60acb25c3
2 changed files with 68 additions and 8 deletions
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44
src/blackmisc/nwtextmessage.cpp
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@@ -3,6 +3,7 @@
#include "blackmisc/pqconstants.h"
#include "blackmisc/aviocomsystem.h"
#include "blackmisc/avcallsign.h"
#include "blackmisc/avselcal.h"
using namespace BlackMisc::Aviation;
@@ -179,6 +180,49 @@ namespace BlackMisc
qSwap(this->m_senderCallsign, this->m_recipientCallsign);
}
/*
* Find out if this is a SELCAL message
*/
bool CTextMessage::isSelcalMessage() const
{
// some first level checks, before really parsing the message
if (this->isEmpty()) return false;
if (this->isPrivateMessage()) return false;
if (this->m_message.length() > 15 || this->m_message.length() < 10) return false; // SELCAL AB-CD -> 12, I allow some more characters as I do not know wheter in real life it exactly matches
return this->getSelcalCode().length() == 4;
}
/*
* Matching given SELCAL code
*/
bool CTextMessage::isSelcalMessageFor(const QString &selcal) const
{
if (!CSelcal::isValidCode(selcal)) return false;
return selcal.toUpper() == this->getSelcalCode();
}
/*
* SELCAL code, 4 letters
*/
QString CTextMessage::getSelcalCode() const
{
// http://forums.vatsim.net/viewtopic.php?f=8&t=63467#p458062
// When the ATC client sends a selcal, it goes out as a text message
// on their primary frequency, formatted like so:
// SELCAL AB-CD
const QString invalid;
// some first level checks, before really parsing the message
if (this->isEmpty()) return invalid;
if (this->isPrivateMessage()) return invalid;
if (this->m_message.length() > 15 || this->m_message.length() < 10) return invalid; // SELCAL AB-CD -> 12, I allow some more characters as I do not know wheter in real life it exactly matches
QString candidate = this->m_message.toUpper().remove(QRegExp("[^A-Z]")); // SELCALABCD
if (candidate.length() != 10) return invalid;
if (!candidate.startsWith("SELCAL")) return invalid;
return candidate.right(4);
}
/*
* Equal?
*/