@@ -1,167 +1,194 | |||
|
1 | 1 | #include "AmdaResultParser.h" |
|
2 | 2 | |
|
3 | 3 | #include <Common/DateUtils.h> |
|
4 | 4 | #include <Data/ScalarSeries.h> |
|
5 | 5 | |
|
6 | 6 | #include <QDateTime> |
|
7 | 7 | #include <QFile> |
|
8 | 8 | #include <QRegularExpression> |
|
9 | 9 | |
|
10 | 10 | #include <cmath> |
|
11 | 11 | |
|
12 | 12 | Q_LOGGING_CATEGORY(LOG_AmdaResultParser, "AmdaResultParser") |
|
13 | 13 | |
|
14 | 14 | namespace { |
|
15 | 15 | |
|
16 | 16 | /// Message in result file when the file was not found on server |
|
17 | 17 | const auto FILE_NOT_FOUND_MESSAGE = QStringLiteral("Not Found"); |
|
18 | 18 | |
|
19 | 19 | /// Format for dates in result files |
|
20 | 20 | const auto DATE_FORMAT = QStringLiteral("yyyy-MM-ddThh:mm:ss.zzz"); |
|
21 | 21 | |
|
22 | 22 | /// Separator between values in a result line |
|
23 | 23 | const auto RESULT_LINE_SEPARATOR = QRegularExpression{QStringLiteral("\\s+")}; |
|
24 | 24 | |
|
25 | 25 | /// Regex to find unit in a line. Examples of valid lines: |
|
26 | 26 | /// ... - Units : nT - ... |
|
27 | 27 | /// ... -Units:nT- ... |
|
28 | 28 | /// ... -Units: mΒ²- ... |
|
29 | 29 | /// ... - Units : m/s - ... |
|
30 | 30 | const auto UNIT_REGEX = QRegularExpression{QStringLiteral("-\\s*Units\\s*:\\s*(.+?)\\s*-")}; |
|
31 | 31 | |
|
32 | 32 | /// Converts a string date to a double date |
|
33 | 33 | /// @return a double that represents the date in seconds, NaN if the string date can't be converted |
|
34 | 34 | double doubleDate(const QString &stringDate) noexcept |
|
35 | 35 | { |
|
36 | 36 | auto dateTime = QDateTime::fromString(stringDate, DATE_FORMAT); |
|
37 | 37 | dateTime.setTimeSpec(Qt::UTC); |
|
38 | 38 | return dateTime.isValid() ? DateUtils::secondsSinceEpoch(dateTime) |
|
39 | 39 | : std::numeric_limits<double>::quiet_NaN(); |
|
40 | 40 | } |
|
41 | 41 | |
|
42 | 42 | /// Checks if a line is a comment line |
|
43 | 43 | bool isCommentLine(const QString &line) |
|
44 | 44 | { |
|
45 | 45 | return line.startsWith("#"); |
|
46 | 46 | } |
|
47 | 47 | |
|
48 | /// @return the number of lines to be read depending on the type of value passed in parameter | |
|
49 | int nbValues(AmdaResultParser::ValueType valueType) noexcept | |
|
50 | { | |
|
51 | switch (valueType) { | |
|
52 | case AmdaResultParser::ValueType::SCALAR: | |
|
53 | return 1; | |
|
54 | case AmdaResultParser::ValueType::VECTOR: | |
|
55 | return 3; | |
|
56 | case AmdaResultParser::ValueType::UNKNOWN: | |
|
57 | // Invalid case | |
|
58 | break; | |
|
59 | } | |
|
60 | ||
|
61 | // Invalid cases | |
|
62 | qCCritical(LOG_AmdaResultParser()) | |
|
63 | << QObject::tr("Can't get the number of values to read: unsupported type"); | |
|
64 | return 0; | |
|
65 | } | |
|
66 | ||
|
48 | 67 | /** |
|
49 | 68 | * Reads stream to retrieve x-axis unit |
|
50 | 69 | * @param stream the stream to read |
|
51 | 70 | * @return the unit that has been read in the stream, a default unit (time unit with no label) if an |
|
52 | 71 | * error occured during reading |
|
53 | 72 | */ |
|
54 | 73 | Unit readXAxisUnit(QTextStream &stream) |
|
55 | 74 | { |
|
56 | 75 | QString line{}; |
|
57 | 76 | |
|
58 | 77 | // Searches unit in the comment lines |
|
59 | 78 | while (stream.readLineInto(&line) && isCommentLine(line)) { |
|
60 | 79 | auto match = UNIT_REGEX.match(line); |
|
61 | 80 | if (match.hasMatch()) { |
|
62 | 81 | return Unit{match.captured(1), true}; |
|
63 | 82 | } |
|
64 | 83 | } |
|
65 | 84 | |
|
66 | 85 | qCWarning(LOG_AmdaResultParser()) << QObject::tr("The unit could not be found in the file"); |
|
67 | 86 | |
|
68 | 87 | // Error cases |
|
69 | 88 | return Unit{{}, true}; |
|
70 | 89 | } |
|
71 | 90 | |
|
72 | 91 | /** |
|
73 | 92 | * Reads stream to retrieve results |
|
74 | 93 | * @param stream the stream to read |
|
75 | 94 | * @return the pair of vectors x-axis data/values data that has been read in the stream |
|
76 | 95 | */ |
|
77 |
QPair<QVector<double>, QVector<double> > |
|
|
96 | QPair<QVector<double>, QVector<QVector<double> > > | |
|
97 | readResults(QTextStream &stream, AmdaResultParser::ValueType valueType) | |
|
78 | 98 | { |
|
99 | auto expectedNbValues = nbValues(valueType); | |
|
100 | ||
|
79 | 101 | auto xData = QVector<double>{}; |
|
80 |
auto valuesData = QVector<double> |
|
|
102 | auto valuesData = QVector<QVector<double> >(expectedNbValues); | |
|
81 | 103 | |
|
82 | 104 | QString line{}; |
|
83 | 105 | |
|
84 | 106 | while (stream.readLineInto(&line)) { |
|
85 | 107 | // Ignore comment lines |
|
86 | 108 | if (!isCommentLine(line)) { |
|
87 | 109 | auto lineData = line.split(RESULT_LINE_SEPARATOR, QString::SkipEmptyParts); |
|
88 |
if (lineData.size() == |
|
|
110 | if (lineData.size() == expectedNbValues + 1) { | |
|
89 | 111 | // X : the data is converted from date to double (in secs) |
|
90 | 112 | auto x = doubleDate(lineData.at(0)); |
|
91 | 113 | |
|
92 | // Value | |
|
93 | bool valueOk; | |
|
94 | auto value = lineData.at(1).toDouble(&valueOk); | |
|
95 | ||
|
96 | 114 | // Adds result only if x is valid. Then, if value is invalid, it is set to NaN |
|
97 | 115 | if (!std::isnan(x)) { |
|
98 | 116 | xData.push_back(x); |
|
99 | 117 | |
|
118 | // Values | |
|
119 | for (auto valueIndex = 0; valueIndex < expectedNbValues; ++valueIndex) { | |
|
120 | auto column = valueIndex + 1; | |
|
121 | ||
|
122 | bool valueOk; | |
|
123 | auto value = lineData.at(column).toDouble(&valueOk); | |
|
124 | ||
|
100 | 125 | if (!valueOk) { |
|
101 | 126 | qCWarning(LOG_AmdaResultParser()) |
|
102 | 127 | << QObject::tr( |
|
103 |
"Value from line %1 is invalid and will be |
|
|
104 |
|
|
|
128 | "Value from (line %1, column %2) is invalid and will be " | |
|
129 | "converted to NaN") | |
|
130 | .arg(line, column); | |
|
105 | 131 | value = std::numeric_limits<double>::quiet_NaN(); |
|
106 | 132 | } |
|
107 | ||
|
108 | valuesData.push_back(value); | |
|
133 | valuesData[valueIndex].append(value); | |
|
134 | } | |
|
109 | 135 | } |
|
110 | 136 | else { |
|
111 | 137 | qCWarning(LOG_AmdaResultParser()) |
|
112 | 138 | << QObject::tr("Can't retrieve results from line %1: x is invalid") |
|
113 | 139 | .arg(line); |
|
114 | 140 | } |
|
115 | 141 | } |
|
116 | 142 | else { |
|
117 | 143 | qCWarning(LOG_AmdaResultParser()) |
|
118 | 144 | << QObject::tr("Can't retrieve results from line %1: invalid line").arg(line); |
|
119 | 145 | } |
|
120 | 146 | } |
|
121 | 147 | } |
|
122 | 148 | |
|
123 | 149 | return qMakePair(std::move(xData), std::move(valuesData)); |
|
124 | 150 | } |
|
125 | 151 | |
|
126 | 152 | } // namespace |
|
127 | 153 | |
|
128 | 154 | std::shared_ptr<IDataSeries> AmdaResultParser::readTxt(const QString &filePath, |
|
129 | 155 | ValueType valueType) noexcept |
|
130 | 156 | { |
|
131 | 157 | if (valueType == ValueType::UNKNOWN) { |
|
132 | 158 | qCCritical(LOG_AmdaResultParser()) |
|
133 | 159 | << QObject::tr("Can't retrieve AMDA data: the type of values to be read is unknown"); |
|
134 | 160 | return nullptr; |
|
135 | 161 | } |
|
136 | 162 | |
|
137 | 163 | QFile file{filePath}; |
|
138 | 164 | |
|
139 | 165 | if (!file.open(QFile::ReadOnly | QIODevice::Text)) { |
|
140 | 166 | qCCritical(LOG_AmdaResultParser()) |
|
141 | 167 | << QObject::tr("Can't retrieve AMDA data from file %1: %2") |
|
142 | 168 | .arg(filePath, file.errorString()); |
|
143 | 169 | return nullptr; |
|
144 | 170 | } |
|
145 | 171 | |
|
146 | 172 | QTextStream stream{&file}; |
|
147 | 173 | |
|
148 | 174 | // Checks if the file was found on the server |
|
149 | 175 | auto firstLine = stream.readLine(); |
|
150 | 176 | if (firstLine.compare(FILE_NOT_FOUND_MESSAGE) == 0) { |
|
151 | 177 | qCCritical(LOG_AmdaResultParser()) |
|
152 | 178 | << QObject::tr("Can't retrieve AMDA data from file %1: file was not found on server") |
|
153 | 179 | .arg(filePath); |
|
154 | 180 | return nullptr; |
|
155 | 181 | } |
|
156 | 182 | |
|
157 | 183 | // Reads x-axis unit |
|
158 | 184 | stream.seek(0); // returns to the beginning of the file |
|
159 | 185 | auto xAxisUnit = readXAxisUnit(stream); |
|
160 | 186 | |
|
161 | 187 | // Reads results |
|
162 | 188 | stream.seek(0); // returns to the beginning of the file |
|
163 | auto results = readResults(stream); | |
|
189 | auto results = readResults(stream, valueType); | |
|
190 | ||
|
164 | 191 | |
|
165 | 192 | return std::make_shared<ScalarSeries>(std::move(results.first), std::move(results.second), |
|
166 | 193 | xAxisUnit, Unit{}); |
|
167 | 194 | } |
General Comments 0
You need to be logged in to leave comments.
Login now