File indexing completed on 2024-06-16 03:42:47
0001 /* 0002 File : JsonFilterPrivate.h 0003 Project : LabPlot 0004 Description : Private implementation class for JsonFilter. 0005 -------------------------------------------------------------------- 0006 SPDX-FileCopyrightText: 2018 Andrey Cygankov <craftplace.ms@gmail.com> 0007 SPDX-FileCopyrightText: 2018-2020 Alexander Semke <alexander.semke@web.de> 0008 SPDX-License-Identifier: GPL-2.0-or-later 0009 */ 0010 0011 #ifndef JSONFILTERPRIVATE_H 0012 #define JSONFILTERPRIVATE_H 0013 0014 #include "QJsonModel.h" 0015 0016 class QJsonDocument; 0017 class AbstractDataSource; 0018 class AbstractColumn; 0019 0020 class JsonFilterPrivate { 0021 public: 0022 explicit JsonFilterPrivate(JsonFilter* owner); 0023 0024 int checkRow(QJsonValueRef value, int& countCols); 0025 int parseColumnModes(const QJsonValue& row, const QString& rowName = QString()); 0026 void setEmptyValue(int column, int row); 0027 void setValueFromString(int column, int row, const QString& value); 0028 0029 int prepareDeviceToRead(QIODevice&); 0030 void 0031 readDataFromDevice(QIODevice&, AbstractDataSource* = nullptr, AbstractFileFilter::ImportMode = AbstractFileFilter::ImportMode::Replace, int lines = -1); 0032 void readDataFromFile(const QString& fileName, AbstractDataSource* = nullptr, AbstractFileFilter::ImportMode = AbstractFileFilter::ImportMode::Replace); 0033 void importData(AbstractDataSource* = nullptr, AbstractFileFilter::ImportMode = AbstractFileFilter::ImportMode::Replace, int lines = -1); 0034 0035 void write(const QString& fileName, AbstractDataSource*); 0036 QVector<QStringList> preview(const QString& fileName, int lines); 0037 QVector<QStringList> preview(QIODevice& device, int lines); 0038 QVector<QStringList> preview(int lines); 0039 0040 const JsonFilter* q; 0041 QJsonModel* model{nullptr}; 0042 0043 JsonFilter::DataContainerType containerType{JsonFilter::DataContainerType::Object}; 0044 QJsonValue::Type rowType{QJsonValue::Object}; 0045 QVector<int> modelRows; 0046 0047 QString dateTimeFormat; 0048 QLocale::Language numberFormat{QLocale::C}; 0049 double nanValue{qQNaN()}; 0050 bool createIndexEnabled{false}; 0051 bool importObjectNames{false}; 0052 QStringList vectorNames; 0053 QVector<AbstractColumn::ColumnMode> columnModes; 0054 0055 int startRow{1}; // start row 0056 int endRow{-1}; // end row 0057 int startColumn{1}; // start column 0058 int endColumn{-1}; // end column 0059 0060 private: 0061 int m_actualRows{0}; 0062 int m_actualCols{0}; 0063 int m_prepared{false}; 0064 int m_columnOffset{0}; // indexes the "start column" in the datasource. Data will be imported starting from this column. 0065 std::vector<void*> m_dataContainer; // pointers to the actual data containers (columns). 0066 QJsonDocument m_doc; // original and full JSON document 0067 QJsonDocument m_preparedDoc; // selected part of the full JSON document, the part that needs to be imported 0068 0069 bool prepareDocumentToRead(); 0070 }; 0071 0072 #endif