##// END OF EJS Templates
Mini code clean on PyDataProvider...
Mini code clean on PyDataProvider Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>

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r1491:317c38eb0f17
r1491:317c38eb0f17
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PyDataProvider.h
129 lines | 3.9 KiB | text/x-c | CLexer
#pragma once
#include <Data/DataProviderParameters.h>
#include <Data/DataSeriesType.h>
#include <Data/IDataProvider.h>
#include <DataSource/DataSourceController.h>
#include <DataSource/DataSourceItem.h>
#include <DataSource/DataSourceItemAction.h>
#include <QPair>
#include <SqpApplication.h>
// must be included last because of Python/Qt definition of slots
#include "numpy_wrappers.h"
struct Product
{
QString path;
std::vector<std::string> components;
QMap<QString, QString> metadata;
Product() = default;
explicit Product(const QString& path, const std::vector<std::string>& components,
const QMap<QString, QString>& metadata)
: path { path }, components { components }, metadata { metadata }
{
}
~Product() = default;
};
template <typename T>
ScalarTimeSerie* make_scalar(T& t, T& y)
{
return new ScalarTimeSerie { std::move(t.data), std::move(y.data) };
}
template <typename T>
VectorTimeSerie* make_vector(T& t, T& y)
{
return new VectorTimeSerie { std::move(t.data), y.to_std_vect_vect() };
}
template <typename T>
MultiComponentTimeSerie* make_multi_comp(T& t, T& y)
{
auto y_size = y.flat_size();
auto t_size = t.flat_size();
if (t_size && (y_size % t_size) == 0)
{
return new MultiComponentTimeSerie { std::move(t.data), std::move(y.data),
{ t_size, y_size / t_size } };
}
return nullptr;
}
template <typename T>
SpectrogramTimeSerie* make_spectro(T& t, T& y)
{
auto y_size = y.flat_size();
auto t_size = t.flat_size();
if (t_size && (y_size % t_size) == 0)
{
return new SpectrogramTimeSerie { std::move(t.data), std::move(y.data),
{ t_size, y_size / t_size } };
}
return nullptr;
}
class PyDataProvider : public IDataProvider
{
public:
PyDataProvider()
{
auto& dataSourceController = sqpApp->dataSourceController();
dataSourceController.registerProvider(this);
}
virtual ~PyDataProvider() {}
virtual QPair<QPair<NpArray, NpArray>, DataSeriesType> get_data(
const QMap<QString, QString>& key, double start_time, double stop_time)
{
(void)key, (void)start_time, (void)stop_time;
return {};
}
virtual TimeSeries::ITimeSerie* getData(const DataProviderParameters& parameters) override
{
TimeSeries::ITimeSerie* ts = nullptr;
if (parameters.m_Data.contains("name"))
{
QMap<QString, QString> metadata;
std::for_each(parameters.m_Data.constKeyValueBegin(),
parameters.m_Data.constKeyValueEnd(),
[&metadata](const auto& item) { metadata[item.first] = item.second.toString(); });
auto [data, type]
= get_data(metadata, parameters.m_Range.m_TStart, parameters.m_Range.m_TEnd);
auto& [t, y] = data;
switch (type)
{
case DataSeriesType::SCALAR:
ts = make_scalar(t, y);
break;
case DataSeriesType::VECTOR:
ts = make_vector(t, y);
break;
case DataSeriesType::MULTICOMPONENT:
ts = make_multi_comp(t, y);
break;
case DataSeriesType::SPECTROGRAM:
ts = make_spectro(t, y);
break;
default:
break;
}
}
return ts;
}
inline void register_products(const QVector<Product*>& products)
{
auto& dataSourceController = sqpApp->dataSourceController();
auto id = this->id();
auto data_source_name = this->name();
std::for_each(std::cbegin(products), std::cend(products),
[&id, &dataSourceController](const Product* product) {
dataSourceController.setDataSourceItem(id, product->path, product->metadata);
});
}
};