70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
|
|
* File: Blob.h
|
|
*
|
|
* Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
|
|
* See included license file for license details.
|
|
*/
|
|
#if !defined(_Blob_h_)
|
|
#define _Blob_h_
|
|
|
|
#include "stdafx.h"
|
|
|
|
/*!
|
|
* \brief Manages a binary object of arbitrary length.
|
|
*
|
|
* The data block is allocated with malloc() instead of the new
|
|
* operator so that we can use realloc() to resize it.
|
|
*/
|
|
class Blob
|
|
{
|
|
public:
|
|
//! \brief Default constructor.
|
|
Blob();
|
|
|
|
//! \brief Constructor.
|
|
Blob(const uint8_t *data, unsigned length);
|
|
|
|
//! \brief Copy constructor.
|
|
Blob(const Blob &other);
|
|
|
|
//! \brief Destructor.
|
|
virtual ~Blob();
|
|
|
|
//! \name Operations
|
|
//@{
|
|
//! \brief Replaces the blob's data.
|
|
void setData(const uint8_t *data, unsigned length);
|
|
|
|
//! \brief Change the size of the blob's data.
|
|
void setLength(unsigned length);
|
|
|
|
//! \brief Adds data to the end of the blob.
|
|
void append(const uint8_t *newData, unsigned newDataLength);
|
|
|
|
//! \brief Disposes of the data.
|
|
void clear();
|
|
|
|
//! \brief Tell the blob that it no longer owns its data.
|
|
void relinquish();
|
|
//@}
|
|
|
|
//! \name Accessors
|
|
//@{
|
|
uint8_t *getData() { return m_data; }
|
|
const uint8_t *getData() const { return m_data; }
|
|
unsigned getLength() const { return m_length; }
|
|
//@}
|
|
|
|
//! \name Operators
|
|
//@{
|
|
operator uint8_t *() { return m_data; }
|
|
operator const uint8_t *() const { return m_data; }
|
|
//@}
|
|
|
|
protected:
|
|
uint8_t *m_data; //!< The binary data held by this object.
|
|
unsigned m_length; //!< Number of bytes pointed to by #m_data.
|
|
};
|
|
|
|
#endif // _Blob_h_
|