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Adds plugin column to variable widget...
Adds plugin column to variable widget To retrieve the "plugin" field, we add to the metadata of the variable the name of the data source root item

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r496:10850ea661a6
r551:b0a7e1650d9f
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AmdaResultParser.cpp
160 lines | 5.1 KiB | text/x-c | CppLexer
/ plugins / amda / src / AmdaResultParser.cpp
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r380 #include "AmdaResultParser.h"
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r489 #include <Common/DateUtils.h>
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r380 #include <Data/ScalarSeries.h>
#include <QDateTime>
#include <QFile>
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r393 #include <QRegularExpression>
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r380
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r400 #include <cmath>
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r380 Q_LOGGING_CATEGORY(LOG_AmdaResultParser, "AmdaResultParser")
namespace {
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r446 /// 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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r380 /// Format for dates in result files
const auto DATE_FORMAT = QStringLiteral("yyyy-MM-ddThh:mm:ss.zzz");
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r394 /// Separator between values in a result line
const auto RESULT_LINE_SEPARATOR = QRegularExpression{QStringLiteral("\\s+")};
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r393 /// 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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r394 /// 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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r380 double doubleDate(const QString &stringDate) noexcept
{
auto dateTime = QDateTime::fromString(stringDate, DATE_FORMAT);
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r489 dateTime.setTimeSpec(Qt::UTC);
return dateTime.isValid() ? DateUtils::secondsSinceEpoch(dateTime)
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r394 : std::numeric_limits<double>::quiet_NaN();
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r380 }
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r492 /// Checks if a line is a comment line
bool isCommentLine(const QString &line)
{
return line.startsWith("#");
}
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r393 /**
* 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{};
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r492 // Searches unit in the comment lines
while (stream.readLineInto(&line) && isCommentLine(line)) {
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r393 auto match = UNIT_REGEX.match(line);
if (match.hasMatch()) {
return Unit{match.captured(1), true};
}
}
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r492 qCWarning(LOG_AmdaResultParser()) << QObject::tr("The unit could not be found in the file");
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r393 // Error cases
return Unit{{}, true};
}
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r394 /**
* 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{};
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r492
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r394 while (stream.readLineInto(&line)) {
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r492 // Ignore comment lines
if (!isCommentLine(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);
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r496 // Adds result only if x is valid. Then, if value is invalid, it is set to NaN
if (!std::isnan(x)) {
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r492 xData.push_back(x);
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r496
if (!valueOk) {
qCWarning(LOG_AmdaResultParser())
<< QObject::tr(
"Value from line %1 is invalid and will be converted to NaN")
.arg(line);
value = std::numeric_limits<double>::quiet_NaN();
}
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r492 valuesData.push_back(value);
}
else {
qCWarning(LOG_AmdaResultParser())
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r496 << QObject::tr("Can't retrieve results from line %1: x is invalid")
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r492 .arg(line);
}
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r394 }
else {
qCWarning(LOG_AmdaResultParser())
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r492 << QObject::tr("Can't retrieve results from line %1: invalid line").arg(line);
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r394 }
}
}
return qMakePair(std::move(xData), std::move(valuesData));
}
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r380 } // 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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r446 // 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;
}
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r393 // Reads x-axis unit
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r492 stream.seek(0); // returns to the beginning of the file
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r393 auto xAxisUnit = readXAxisUnit(stream);
// Reads results
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r492 stream.seek(0); // returns to the beginning of the file
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r394 auto results = readResults(stream);
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r380
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r394 return std::make_shared<ScalarSeries>(std::move(results.first), std::move(results.second),
xAxisUnit, Unit{});
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r380 }