| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
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| ** GNU General Public License Usage |
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| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #include "candlestickdatareader.h" |
| |
| CandlestickDataReader::CandlestickDataReader(QIODevice *device) |
| : QTextStream(device) |
| { |
| } |
| |
| CandlestickDataReader::~CandlestickDataReader() |
| { |
| } |
| |
| void CandlestickDataReader::readFile(QIODevice *device) |
| { |
| QTextStream::setDevice(device); |
| } |
| |
| QCandlestickSet *CandlestickDataReader::readCandlestickSet() |
| { |
| //! [1] |
| QString line = readLine(); |
| if (line.startsWith("#") || line.isEmpty()) |
| return 0; |
| //! [1] |
| |
| //! [2] |
| QStringList strList = line.split(" ", QString::SkipEmptyParts); |
| if (strList.count() != 5) |
| return 0; |
| //! [2] |
| |
| //! [3] |
| const qreal timestamp = strList.at(0).toDouble(); |
| const qreal open = strList.at(1).toDouble(); |
| const qreal high = strList.at(2).toDouble(); |
| const qreal low = strList.at(3).toDouble(); |
| const qreal close = strList.at(4).toDouble(); |
| //! [3] |
| |
| //! [4] |
| QCandlestickSet *candlestickSet = new QCandlestickSet(timestamp); |
| candlestickSet->setOpen(open); |
| candlestickSet->setHigh(high); |
| candlestickSet->setLow(low); |
| candlestickSet->setClose(close); |
| //! [4] |
| |
| return candlestickSet; |
| } |