rtbinarymessage.h

//
// author Kazys Stepanas
//
// Copyright (c) CSIRO 2015
//
#ifndef RTBINARYMESSAGE_H_
#define RTBINARYMESSAGE_H_

#include "ocurvesconfig.h"

#include "rtmessage.h"

#include <QVariant>
#include <QVector>

class QDataStream;

class RTBinaryMessage : public RTMessage
{
public:
  enum FieldType
  {
    Padding,  
    PadTo,  
    PadByField,  
    PadToField,  
    Int8,
    Int16,
    Int32,
    Int64,
    Uint8,
    Uint16,
    Uint32,
    Uint64,
    Float32,
    Float64
  };

  static const unsigned TypeSizes[];

  RTBinaryMessage(bool littleEndian = false);

  inline bool littleEndian() const { return _littleEndian; }

  void setMessage(QByteArray &buffer) override;

  int readMessage(const QByteArray &buffer) override;

  QStringList headings() const override;

  unsigned populateValues(std::vector<double> &values) const override;

  void addField(const QString &name, FieldType type, bool heading = false, const QVariant &value = QVariant());

  int fieldIndex(const QString &key) const;

  double fieldValueD(const QString &key) const;

  QVariant fieldValueV(const QString &key) const;

private:
  struct Field
  {
    QString name;     
    FieldType type;   
    QVariant value;   
    bool heading;     
  };

  uint writeField(QDataStream &stream, const Field &field, uint pos);

  int readField(QDataStream &stream, Field &field, uint pos);

  QVector<Field> _fields;     
  unsigned _messageMinSize;   
  bool _littleEndian;         
  QStringList _headings;      
};




#endif // RTBINARYMESSAGE_H_