BinaryStreamReader.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2015 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include "MantidKernel/DllConfig.h"
 
#include <cstdint>
#include <iosfwd>
#include <string>
#include <vector>
 
namespace Mantid {
namespace Kernel {
 
// Forward declarations
template <typename T> class Matrix;
 
class MANTID_KERNEL_DLL BinaryStreamReader {
public:
  enum class MatrixOrdering { RowMajor, ColumnMajor };
 
  BinaryStreamReader(std::istream &istrm);
 
  BinaryStreamReader &operator>>(int16_t &value);
  BinaryStreamReader &operator>>(int32_t &value);
  BinaryStreamReader &operator>>(int64_t &value);
  BinaryStreamReader &operator>>(float &value);
  BinaryStreamReader &operator>>(double &value);
  BinaryStreamReader &operator>>(std::string &value);
  BinaryStreamReader &operator>>(uint16_t &value);
  BinaryStreamReader &operator>>(uint32_t &value);
 
  BinaryStreamReader &read(std::vector<int16_t> &value, const size_t nvals);
  BinaryStreamReader &read(std::vector<int32_t> &value, const size_t nvals);
  BinaryStreamReader &read(std::vector<int64_t> &value, const size_t nvals);
  BinaryStreamReader &read(std::vector<float> &value, const size_t nvals);
  BinaryStreamReader &read(std::vector<double> &value, const size_t nvals);
  BinaryStreamReader &read(std::string &value, const size_t length);
 
  BinaryStreamReader &read(std::vector<std::string> &value, const std::vector<int32_t> &shape, MatrixOrdering order);
  BinaryStreamReader &read(Kernel::Matrix<float> &value, const std::vector<int32_t> &shape, MatrixOrdering order);
  BinaryStreamReader &read(Kernel::Matrix<double> &value, const std::vector<int32_t> &shape, MatrixOrdering order);
 
  void moveStreamToPosition(size_t nbytes);
 
private:
  std::istream &m_istrm;
  uint64_t m_strLengthSize;
};
 
} // namespace Kernel
} // namespace Mantid