Blob.h

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#ifndef Blob_h
#define Blob_h

#include <string>
#include "PvlObject.h"

namespace Isis {
  bool IsBlob(PvlObject &obj);
  class Pvl;
  class Blob {
    public:
      Blob(const QString &name, const QString &type);
      Blob(const QString &name, const QString &type,
           const QString &file);
      Blob(const Blob &other);
      Blob &operator=(const Blob &other);

      virtual ~Blob();

      QString Type() const;
      QString Name() const;
      int Size() const;
      PvlObject &Label();

      void Read(const QString &file);
      void Read(const QString &file, const Pvl &pvlLabels);
      virtual void Read(const Pvl &pvl, std::istream &is);

      void Write(const QString &file);
      void Write(Pvl &pvl, std::fstream &stm,
                 const QString &detachedFileName = "");

    protected:
      void Find(const Pvl &pvl);
      virtual void ReadInit();
      virtual void ReadData(std::istream &is);
      virtual void WriteInit();
      virtual void WriteData(std::fstream &os);

      PvlObject p_blobPvl;     
      QString p_blobName;  

      char *p_buffer;          
      BigInt p_startByte;      
      int p_nbytes;            
      QString p_type;      
      QString p_detached;  
      QString p_labelFile; 
  };
};

#endif