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Spectrograms implementation (3)...
Alexandre Leroux -
r951:9171b76c9790
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@@ -73,6 +73,9 public:
73 std::shared_ptr<IDataSeries> createSeries() override;
73 std::shared_ptr<IDataSeries> createSeries() override;
74 void readPropertyLine(const QString &line) override;
74 void readPropertyLine(const QString &line) override;
75 void readResultLine(const QString &line) override;
75 void readResultLine(const QString &line) override;
76
77 private:
78 Properties m_Properties{};
76 };
79 };
77
80
78 /**
81 /**
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@@ -154,6 +154,54 bool tryReadProperty(Properties &properties, const QString &key, const QString &
154 }
154 }
155
155
156 /**
156 /**
157 * Reads a line from the AMDA file and tries to extract a double from it
158 * @sa tryReadProperty()
159 */
160 bool tryReadDouble(Properties &properties, const QString &key, const QString &line,
161 const QRegularExpression &regex)
162 {
163 return tryReadProperty(properties, key, line, regex, [](const auto &match) {
164 bool ok;
165
166 // If the value can't be converted to double, it is set to NaN
167 auto doubleValue = match.captured(1).toDouble(&ok);
168 if (!ok) {
169 doubleValue = std::numeric_limits<double>::quiet_NaN();
170 }
171
172 return QVariant::fromValue(doubleValue);
173 });
174 }
175
176 /**
177 * Reads a line from the AMDA file and tries to extract a vector of doubles from it
178 * @param sep the separator of double values in the line
179 * @sa tryReadProperty()
180 */
181 bool tryReadDoubles(Properties &properties, const QString &key, const QString &line,
182 const QRegularExpression &regex, const QString &sep = QStringLiteral(","))
183 {
184 return tryReadProperty(properties, key, line, regex, [sep](const auto &match) {
185 std::vector<double> doubleValues{};
186
187 // If the value can't be converted to double, it is set to NaN
188 auto values = match.captured(1).split(sep);
189 for (auto value : values) {
190 bool ok;
191
192 auto doubleValue = value.toDouble(&ok);
193 if (!ok) {
194 doubleValue = std::numeric_limits<double>::quiet_NaN();
195 }
196
197 doubleValues.push_back(doubleValue);
198 }
199
200 return QVariant::fromValue(doubleValues);
201 });
202 }
203
204 /**
157 * Reads a line from the AMDA file and tries to extract a unit from it
205 * Reads a line from the AMDA file and tries to extract a unit from it
158 * @sa tryReadProperty()
206 * @sa tryReadProperty()
159 */
207 */
@@ -207,7 +255,17 std::vector<int> ScalarParserHelper::valuesIndexes() const
207
255
208 bool SpectrogramParserHelper::checkProperties()
256 bool SpectrogramParserHelper::checkProperties()
209 {
257 {
210 /// @todo ALX
258 // Generates y-axis data from bands extracted (take the middle of the intervals)
259 auto minBands = m_Properties.value(MIN_BANDS_PROPERTY).value<std::vector<double> >();
260 auto maxBands = m_Properties.value(MAX_BANDS_PROPERTY).value<std::vector<double> >();
261
262 if (minBands.size() != maxBands.size()) {
263 qCWarning(LOG_AmdaResultParserHelper()) << QObject::tr(
264 "Can't generate y-axis data from bands extracted: bands intervals are invalid");
265 return false;
266 }
267
268 return true;
211 }
269 }
212
270
213 std::shared_ptr<IDataSeries> SpectrogramParserHelper::createSeries()
271 std::shared_ptr<IDataSeries> SpectrogramParserHelper::createSeries()
@@ -217,7 +275,52 std::shared_ptr<IDataSeries> SpectrogramParserHelper::createSeries()
217
275
218 void SpectrogramParserHelper::readPropertyLine(const QString &line)
276 void SpectrogramParserHelper::readPropertyLine(const QString &line)
219 {
277 {
220 /// @todo ALX
278 // Set of functions to test on the line to generate a property. If a function is valid (i.e. a
279 // property has been generated for the line), the line is treated as processed and the other
280 // functions are not called
281 std::vector<std::function<bool()> > functions{
282 // values unit
283 [&] {
284 return tryReadUnit(m_Properties, VALUES_UNIT_PROPERTY, line,
285 SPECTROGRAM_VALUES_UNIT_REGEX);
286 },
287 // y-axis unit
288 [&] {
289 return tryReadUnit(m_Properties, Y_AXIS_UNIT_PROPERTY, line,
290 SPECTROGRAM_Y_AXIS_UNIT_REGEX);
291 },
292 // min sampling
293 [&] {
294 return tryReadDouble(m_Properties, MIN_SAMPLING_PROPERTY, line,
295 SPECTROGRAM_MIN_SAMPLING_REGEX);
296 },
297 // max sampling
298 [&] {
299 return tryReadDouble(m_Properties, MAX_SAMPLING_PROPERTY, line,
300 SPECTROGRAM_MAX_SAMPLING_REGEX);
301 },
302 // fill value
303 [&] {
304 return tryReadDouble(m_Properties, FILL_VALUE_PROPERTY, line,
305 SPECTROGRAM_FILL_VALUE_REGEX);
306 },
307 // min bounds of each band
308 [&] {
309 return tryReadDoubles(m_Properties, MIN_BANDS_PROPERTY, line,
310 SPECTROGRAM_MIN_BANDS_REGEX);
311 },
312 // max bounds of each band
313 [&] {
314 return tryReadDoubles(m_Properties, MAX_BANDS_PROPERTY, line,
315 SPECTROGRAM_MAX_BANDS_REGEX);
316 }};
317
318 for (auto function : functions) {
319 // Stops at the first function that is valid
320 if (function()) {
321 return;
322 }
323 }
221 }
324 }
222
325
223 void SpectrogramParserHelper::readResultLine(const QString &line)
326 void SpectrogramParserHelper::readResultLine(const QString &line)
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