candlestickdatareader.cpp

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// Copyright (C) 2023 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#include "candlestickdatareader.h"

#include <QCandlestickSet>

CandlestickDataReader::CandlestickDataReader(QIODevice *device)

    : m_textStream(device)

CandlestickDataReader::~CandlestickDataReader()

void CandlestickDataReader::readFile(QIODevice *device)

    m_textStream.setDevice(device);

QCandlestickSet *CandlestickDataReader::readCandlestickSet()

    //! [1]

    QString line = m_textStream.readLine();

    if (line.startsWith("#") || line.isEmpty())

        return nullptr;

    //! [1]

    //! [2]

    QStringList strList = line.split(QLatin1Char(' '), Qt::SkipEmptyParts);

    if (strList.count() != 5)

        return nullptr;

    //! [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]

    auto candlestickSet = new QCandlestickSet(timestamp);

    candlestickSet->setOpen(open);

    candlestickSet->setHigh(high);

    candlestickSet->setLow(low);

    candlestickSet->setClose(close);

    //! [4]

    return candlestickSet;

bool CandlestickDataReader::atEnd() const

    return m_textStream.atEnd();