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Updates UI to not call the sort method when update graphs, as data series are already sorted
Updates UI to not call the sort method when update graphs, as data series are already sorted

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r412:f2dd25b3cc0a
r419:a8d8791b7e7a
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AmdaResultParser.cpp
145 lines | 4.5 KiB | text/x-c | CppLexer
/ plugins / amda / src / AmdaResultParser.cpp
Alexandre Leroux
Amda provider (3)...
r351 #include "AmdaResultParser.h"
#include <Data/ScalarSeries.h>
#include <QDateTime>
#include <QFile>
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Reads x-axis unit in result file
r362 #include <QRegularExpression>
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r351
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r368 #include <cmath>
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r351 Q_LOGGING_CATEGORY(LOG_AmdaResultParser, "AmdaResultParser")
namespace {
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r412 /// Message in result file when the file was not found on server
const auto FILE_NOT_FOUND_MESSAGE = QStringLiteral("Not Found");
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r351 /// Format for dates in result files
const auto DATE_FORMAT = QStringLiteral("yyyy-MM-ddThh:mm:ss.zzz");
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r363 /// Separator between values in a result line
const auto RESULT_LINE_SEPARATOR = QRegularExpression{QStringLiteral("\\s+")};
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r362 /// Regex to find unit in a line. Examples of valid lines:
/// ... - Units : nT - ...
/// ... -Units:nT- ...
/// ... -Units: m²- ...
/// ... - Units : m/s - ...
const auto UNIT_REGEX = QRegularExpression{QStringLiteral("-\\s*Units\\s*:\\s*(.+?)\\s*-")};
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r363 /// Converts a string date to a double date
/// @return a double that represents the date in seconds, NaN if the string date can't be converted
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r351 double doubleDate(const QString &stringDate) noexcept
{
auto dateTime = QDateTime::fromString(stringDate, DATE_FORMAT);
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r363 return dateTime.isValid() ? (dateTime.toMSecsSinceEpoch() / 1000.)
: std::numeric_limits<double>::quiet_NaN();
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r351 }
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r362 /**
* Reads stream to retrieve x-axis unit
* @param stream the stream to read
* @return the unit that has been read in the stream, a default unit (time unit with no label) if an
* error occured during reading
*/
Unit readXAxisUnit(QTextStream &stream)
{
QString line{};
if (stream.readLineInto(&line)) {
auto match = UNIT_REGEX.match(line);
if (match.hasMatch()) {
return Unit{match.captured(1), true};
}
else {
qCWarning(LOG_AmdaResultParser())
<< QObject::tr("Can't read unit: invalid line %1").arg(line);
}
}
else {
qCWarning(LOG_AmdaResultParser()) << QObject::tr("Can't read unit: end of file");
}
// Error cases
return Unit{{}, true};
}
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r363 /**
* Reads stream to retrieve results
* @param stream the stream to read
* @return the pair of vectors x-axis data/values data that has been read in the stream
*/
QPair<QVector<double>, QVector<double> > readResults(QTextStream &stream)
{
auto xData = QVector<double>{};
auto valuesData = QVector<double>{};
QString line{};
while (stream.readLineInto(&line)) {
auto lineData = line.split(RESULT_LINE_SEPARATOR, QString::SkipEmptyParts);
if (lineData.size() == 2) {
// X : the data is converted from date to double (in secs)
auto x = doubleDate(lineData.at(0));
// Value
bool valueOk;
auto value = lineData.at(1).toDouble(&valueOk);
// Adds result only if x and value are valid
if (!std::isnan(x) && !std::isnan(value) && valueOk) {
xData.push_back(x);
valuesData.push_back(value);
}
else {
qCWarning(LOG_AmdaResultParser())
<< QObject::tr(
"Can't retrieve results from line %1: x and/or value are invalid")
.arg(line);
}
}
else {
qCWarning(LOG_AmdaResultParser())
<< QObject::tr("Can't retrieve results from line %1: invalid line").arg(line);
}
}
return qMakePair(std::move(xData), std::move(valuesData));
}
Alexandre Leroux
Amda provider (3)...
r351 } // namespace
std::shared_ptr<IDataSeries> AmdaResultParser::readTxt(const QString &filePath) noexcept
{
QFile file{filePath};
if (!file.open(QFile::ReadOnly | QIODevice::Text)) {
qCCritical(LOG_AmdaResultParser())
<< QObject::tr("Can't retrieve AMDA data from file %1: %2")
.arg(filePath, file.errorString());
return nullptr;
}
QTextStream stream{&file};
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Handles "Not found" error for AMDA result parser
r412 // Checks if the file was found on the server
auto firstLine = stream.readLine();
if (firstLine.compare(FILE_NOT_FOUND_MESSAGE) == 0) {
qCCritical(LOG_AmdaResultParser())
<< QObject::tr("Can't retrieve AMDA data from file %1: file was not found on server")
.arg(filePath);
return nullptr;
}
// Ignore comments lines
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r351 stream.readLine();
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r362 // Reads x-axis unit
auto xAxisUnit = readXAxisUnit(stream);
// Reads results
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r363 auto results = readResults(stream);
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r351
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r363 return std::make_shared<ScalarSeries>(std::move(results.first), std::move(results.second),
xAxisUnit, Unit{});
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r351 }