static bool
ParseArcTNP(const TCHAR *buffer, TempAirspaceType &temp_area)
{
if (temp_area.points.empty())
return false;
// (ANTI-)CLOCKWISE RADIUS=34.95 CENTRE=N523333 E0131603 TO=N522052 E0122236
GeoPoint from = temp_area.points.back();
const TCHAR* parameter;
if ((parameter = _tcsstr(buffer, _T(" "))) == nullptr)
return false;
if ((parameter = StringAfterPrefixCI(parameter, _T(" CENTRE="))) == nullptr)
return false;
if (!ParseCoordsTNP(parameter, temp_area.center))
return false;
if ((parameter = _tcsstr(parameter, _T(" "))) == nullptr)
return false;
parameter++;
if ((parameter = _tcsstr(parameter, _T(" "))) == nullptr)
return false;
if ((parameter = StringAfterPrefixCI(parameter, _T(" TO="))) == nullptr)
return false;
GeoPoint to;
if (!ParseCoordsTNP(parameter, to))
return false;
temp_area.AppendArc(from, to);
return true;
}
static void
ParseArcBearings(const TCHAR *buffer, TempAirspaceType &temp_area)
{
// Determine radius and start/end bearing
TCHAR *endptr;
temp_area.radius = Units::ToSysUnit(fixed(_tcstod(&buffer[2], &endptr)), Unit::NAUTICAL_MILES);
Angle start_bearing = Angle::Degrees(_tcstod(&endptr[1], &endptr)).AsBearing();
Angle end_bearing = Angle::Degrees(_tcstod(&endptr[1], &endptr)).AsBearing();
temp_area.AppendArc(start_bearing, end_bearing);
}
static bool
ParseArcPoints(const TCHAR *buffer, TempAirspaceType &temp_area)
{
// Read start coordinates
GeoPoint start;
if (!ReadCoords(&buffer[3], start))
return false;
// Skip comma character
const TCHAR* comma = _tcschr(buffer, ',');
if (!comma)
return false;
// Read end coordinates
GeoPoint end;
if (!ReadCoords(&comma[1], end))
return false;
temp_area.AppendArc(start, end);
return true;
}