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Better identification of DXCC Entity when a prefix is used as a suffix

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8624 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville 2018-04-21 19:09:31 +00:00
parent d72586e7a7
commit 078b76ceaa
3 changed files with 42 additions and 7 deletions
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34
Radio.cpp
View File

@ -17,6 +17,10 @@ namespace Radio
// very loose validation - callsign must contain a letter next to
// a number
QRegularExpression valid_callsign_regexp {R"(\d[[:alpha:]]|[[:alpha:]]\d)"};
// suffixes that are often used and should not be interpreted as a
// DXCC Entity prefix used as a suffix
QRegularExpression non_prefix_suffix {R"(\A([0-9AMPQR]|QRP|F[DF]|[AM]M|L[HT]|LGT)\z)"};
}
@ -125,6 +129,34 @@ namespace Radio
callsign = callsign.left (slash_pos);
}
}
return callsign;
return callsign.toUpper ();
}
// analyze the callsign and determine the effective prefix, returns
// the full call if no valid prefix (or prefix as a suffix) is specified
QString effective_prefix (QString callsign)
{
auto prefix = callsign.toUpper ();
auto slash_pos = callsign.indexOf ('/');
if (slash_pos >= 0)
{
auto right_size = callsign.size () - slash_pos - 1;
if (right_size >= slash_pos) // naive call is longer than
// prefix/suffix algorithm
{
prefix = callsign.left (slash_pos);
}
else
{
prefix = callsign.mid (slash_pos + 1);
if (prefix.contains (non_prefix_suffix))
{
prefix = callsign.left (slash_pos); // ignore
// non-prefix
// suffixes
}
}
}
return prefix;
}
}

1
Radio.hpp
View File

@ -54,6 +54,7 @@ namespace Radio
bool UDP_EXPORT is_callsign (QString const&);
bool UDP_EXPORT is_compound_callsign (QString const&);
QString UDP_EXPORT base_callsign (QString);
QString UDP_EXPORT effective_prefix (QString);
}
Q_DECLARE_METATYPE (Radio::Frequency);

14
logbook/countrydat.cpp
View File

@ -19,6 +19,7 @@
#include <QFile>
#include <QTextStream>
#include <QDebug>
#include "Radio.hpp"
void CountryDat::init(const QString filename)
{
@ -131,14 +132,15 @@ QString CountryDat::find(QString call) const
return fixup (_data.value ("=" + call), call);
}
auto prefix = call;
while (prefix.size () >= 1)
auto prefix = Radio::effective_prefix (call);
auto match_candidate = prefix;
while (match_candidate.size () >= 1)
{
if (_data.contains (prefix))
if (_data.contains (match_candidate))
{
return fixup (_data.value (prefix), call);
return fixup (_data.value (match_candidate), prefix);
}
prefix = prefix.left (prefix.size () - 1);
match_candidate = match_candidate.left (match_candidate.size () - 1);
}
return QString {};
}
@ -150,7 +152,7 @@ QString CountryDat::fixup (QString country, QString const& call) const
//
// KG4 2x1 and 2x3 calls that map to Gitmo are mainland US not Gitmo
if (call.startsWith ("KG4") && call.size () != 5)
if (call.startsWith ("KG4") && call.size () != 5 && call.size () != 3)
{
country.replace ("Guantanamo Bay; KG4; NA", "United States; K; NA");
}