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Improved METAR string building

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* use static const arg1s (not always create temp. arg strings)
* use QStringBuilder to concatenate several parts at once
* done during Ref T275, but not really related
This commit is contained in:
Klaus Basan
2018-06-10 14:44:24 +02:00
parent cd148c7dc4
commit bf0db64f65
1 changed files with 38 additions and 40 deletions
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78
src/blackmisc/simulation/fsx/simconnectutilities.cpp
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@@ -18,6 +18,7 @@
#include <QMetaObject>
#include <QTextStream>
#include <QStandardPaths>
#include <QStringBuilder>
using namespace BlackMisc::Aviation;
using namespace BlackMisc::PhysicalQuantities;
@@ -238,8 +239,9 @@ namespace BlackMisc
// Q = specifier for altimeter in millibars
simconnectMetar += QLatin1String(" Q");
// NNNN = altimeter in millibars
static const QString arg1s("%1");
const auto altimeter = gridPoint.getSurfacePressure().valueInteger(CPressureUnit::mbar());
simconnectMetar += QStringLiteral("%1").arg(altimeter, 4, 10, QLatin1Char('0'));
simconnectMetar += arg1s.arg(altimeter, 4, 10, QLatin1Char('0'));
return simconnectMetar;
}
@@ -252,9 +254,10 @@ namespace BlackMisc
QString CSimConnectUtilities::windsToSimConnectMetar(const CWindLayerList &windLayers)
{
static const QString arg1s("%1");
QString simconnectWinds;
bool surface = true;
for (const auto &windLayer : windLayers)
for (const CWindLayer &windLayer : windLayers)
{
simconnectWinds += QLatin1Char(' ');
@@ -268,17 +271,15 @@ namespace BlackMisc
}
else
{
// DDD = Direction (0-360 degrees)
const auto direction = windLayer.getDirection().valueInteger(CAngleUnit::deg());
simconnectWinds += QStringLiteral("%1").arg(direction, 3, 10, QLatin1Char('0'));
const int speed = windLayer.getSpeed().valueInteger(CSpeedUnit::kts());
const int direction = windLayer.getDirection().valueInteger(CAngleUnit::deg());
// SSS = Speed
const auto speed = windLayer.getSpeed().valueInteger(CSpeedUnit::kts());
simconnectWinds += QStringLiteral("%1").arg(speed, 3, 10, QLatin1Char('0'));
simconnectWinds += arg1s.arg(direction, 3, 10, QLatin1Char('0')) % // DDD = Direction (0-360 degrees)
arg1s.arg(speed, 3, 10, QLatin1Char('0')); // SSS = Speed
}
// XX = Gust speed
const auto gustSpeed = windLayer.getGustSpeed().valueInteger(CSpeedUnit::kts());
if (gustSpeed) { simconnectWinds += QStringLiteral("G%1").arg(gustSpeed, 2, 10, QLatin1Char('0')); }
const int gustSpeed = windLayer.getGustSpeed().valueInteger(CSpeedUnit::kts());
if (gustSpeed > 0) { simconnectWinds += QStringLiteral("G") % arg1s.arg(gustSpeed, 2, 10, QLatin1Char('0')); }
// UUU = Speed units
simconnectWinds += QLatin1String("KT");
@@ -287,27 +288,25 @@ namespace BlackMisc
{
// Surface extension:
// &DNNNNTS
// D = specifier for surface layer
simconnectWinds += QLatin1String("&D");
// Surface default depth is 1000 feet or 305m
simconnectWinds += QLatin1String("305");
// We don't have turbulence or wind shear information, hence we use the defaults
simconnectWinds += QLatin1String("NG");
static const QString surfaceWinds =
QLatin1String("&D") % // D = specifier for surface layer
QLatin1String("305") % // Surface default depth is 1000 feet or 305m
QLatin1String("NG"); // We don't have turbulence or wind shear information, hence we use the defaults
simconnectWinds += surfaceWinds;
surface = false;
}
else
{
// Winds aloft extension:
// &ANNNNTS
// A = specifier for altitude above mean sea-level (MSL)
simconnectWinds += QLatin1String("&A");
// NNNN = depth (height) in meters.
auto altitude = windLayer.getLevel();
altitude.toMeanSeaLevel();
int altitudeValue = altitude.valueInteger(CLengthUnit::m());
simconnectWinds += QStringLiteral("%1").arg(altitudeValue, 4, 10, QLatin1Char('0'));
// We don't have turbulence or wind shear information, hence we use the defaults
simconnectWinds += QLatin1String("NG");
// Winds aloft extension:
// &ANNNNTS
simconnectWinds +=
QLatin1String("&A") % // A = specifier for altitude above mean sea-level (MSL)
arg1s.arg(altitudeValue, 4, 10, QLatin1Char('0')) % // NNNN = depth (height) in meters.
QLatin1String("NG"); // We don't have turbulence or wind shear information, hence we use the defaults
}
}
return simconnectWinds;
@@ -347,7 +346,8 @@ namespace BlackMisc
// Format:
// CCCNNN&BXXXX&DYYYY
QString simconnectClouds;
for (const auto &cloudLayer : cloudLayers)
static const QString arg1s("%1");
for (const CCloudLayer &cloudLayer : cloudLayers)
{
simconnectClouds += QLatin1Char(' ');
@@ -368,9 +368,8 @@ namespace BlackMisc
auto level = cloudLayer.getTop().valueInteger(CLengthUnit::ft()) / 100;
// Ignore clouds higher than 99900 feet
if (level > 999) { continue; }
simconnectClouds += QStringLiteral("%1").arg(level, 3, 10, QLatin1Char('0'));
simconnectClouds += QLatin1Char('&');
simconnectClouds += arg1s.arg(level, 3, 10, QLatin1Char('0')) %
QLatin1Char('&');
// TT = Cloud type
switch (cloudLayer.getClouds())
@@ -431,22 +430,21 @@ namespace BlackMisc
// Format:
// TT/DD&ANNNNN
QString simconnectTemperatures;
for (const auto &temperatureLayer : temperatureLayers)
static const QString arg1s("%1");
for (const CTemperatureLayer &temperatureLayer : temperatureLayers)
{
simconnectTemperatures += QLatin1Char(' ');
// TT = temperature in Celsius
auto temperature = temperatureLayer.getTemperature().valueInteger(CTemperatureUnit::C());
simconnectTemperatures += QStringLiteral("%1/").arg(temperature, 2, 10, QLatin1Char('0'));
// DD = dewpoint in Celsius
auto dewPoint = temperatureLayer.getDewPoint().valueInteger(CTemperatureUnit::C());
simconnectTemperatures += QStringLiteral("%1").arg(dewPoint, 2, 10, QLatin1Char('0'));
const int temperature = temperatureLayer.getTemperature().valueInteger(CTemperatureUnit::C());
const int dewPoint = temperatureLayer.getDewPoint().valueInteger(CTemperatureUnit::C());
const int altitude = temperatureLayer.getLevel().valueInteger(CLengthUnit::m());
simconnectTemperatures += QLatin1String("&A");
// NNNNN = altitude of the temperatures in meters.
auto altitude = temperatureLayer.getLevel().valueInteger(CLengthUnit::m());
simconnectTemperatures += QStringLiteral("%1").arg(altitude, 5, 10, QLatin1Char('0'));
simconnectTemperatures += arg1s.arg(temperature, 2, 10, QLatin1Char('0')) % // TT = temperature in Celsius
QLatin1String("/") %
arg1s.arg(dewPoint, 2, 10, QLatin1Char('0')) % // DD = dewpoint in Celsius
QLatin1String("&A") %
arg1s.arg(altitude, 5, 10, QLatin1Char('0')); // NNNNN = altitude of the temperatures in meters.
}
return simconnectTemperatures;
}