block_data.hpp

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#ifndef ROHDESCHWARZ_SCPI_BLOCK_DATA_HPP
#define ROHDESCHWARZ_SCPI_BLOCK_DATA_HPP
 
 
// std lib
#include <cstddef>
#include <vector>
 
 
namespace rohdeschwarz::scpi
{
 
 
class BlockData
{
 
public:
 
  // life cycle
 
  BlockData();
 
 
  BlockData(std::vector<unsigned char> data);
 
 
  // header
 
  bool isHeaderError() const;
 
 
  bool isHeader()   const;
 
 
  bool isComplete() const;
 
 
  // push back
 
  void push_back(std::vector<unsigned char>::const_iterator begin, std::size_t size);
 
 
  // payload data
 
  std::size_t size() const;
 
 
  unsigned char* data();
 
 
private:
 
  // header members
  bool         _isHeader;
  std::size_t _headerSize_B;
  std::size_t _payloadSize_B;
  std::size_t _blockSize_B;
 
 
  // data
  std::vector<unsigned char> _data;
 
 
  // helpers
 
 
  // header
 
  std::size_t parseNumberOfSizeDigits() const;
 
 
  std::size_t parsePayloadSize_B() const;
 
 
  std::size_t parseBlockSize_B()   const;
 
 
  void processHeader();
 
 
  // payload
 
  std::size_t bytesRemaining() const;
 
 
};  // BlockData
 
 
}       // rohdeschwarz::scpi
#endif  // ROHDESCHWARZ_SCPI_BLOCK_DATA_HPP