candlestickdatareader.cpp Example File

candlestickchart/candlestickdatareader.cpp

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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()
  {
      QString line = readLine();
      if (line.startsWith("#") || line.isEmpty())
          return 0;

      QStringList strList = line.split(" ", QString::SkipEmptyParts);
      if (strList.count() != 5)
          return 0;

      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();

      QCandlestickSet *candlestickSet = new QCandlestickSet(timestamp);
      candlestickSet->setOpen(open);
      candlestickSet->setHigh(high);
      candlestickSet->setLow(low);
      candlestickSet->setClose(close);

      return candlestickSet;
  }