fsfw/serialize/SerialBufferAdapter.h

#ifndef SERIALBUFFERADAPTER_H_
#define SERIALBUFFERADAPTER_H_

#include "../serialize/SerializeIF.h"
#include "../serialize/SerializeAdapter.h"

/**
 * This adapter provides an interface for SerializeIF to serialize or deserialize
 * buffers with no length header but a known size.
 *
 * Additionally, the buffer length can be serialized too and will be put in
 * front of the serialized buffer.
 *
 * Can be used with SerialLinkedListAdapter by declaring a SerializeElement with
 * SerialElement<SerialBufferAdapter<bufferLengthType(will be uint8_t mostly)>>.
 * Right now, the SerialBufferAdapter must always
 * be initialized with the buffer and size !
 *
 * \ingroup serialize
 */
template<typename count_t>
class SerialBufferAdapter: public SerializeIF {
public:

    /**
     * Constructor for constant uint8_t buffer. Length field can be serialized optionally.
     * Type of length can be supplied as template type.
     * @param buffer
     * @param bufferLength
     * @param serializeLength
     */
    SerialBufferAdapter(const uint8_t* buffer, count_t bufferLength,
            bool serializeLength = false);

    /**
     * Constructor for non-constant uint8_t buffer.
     * Length field can be serialized optionally.
     * Type of length can be supplied as template type.
     * @param buffer
     * @param bufferLength
     * @param serializeLength Length field will be serialized with size count_t
     */
    SerialBufferAdapter(uint8_t* buffer, count_t bufferLength,
            bool serializeLength = false);

    virtual ~SerialBufferAdapter();

    virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
            size_t maxSize, Endianness streamEndianness) const override;

    virtual size_t getSerializedSize() const override;

    /**
     * @brief This function deserializes a buffer into the member buffer.
     * @details
     * If a length field is present, it is ignored, as the size should have
     * been set in the constructor. If the size is not known beforehand,
     * consider using SerialFixedArrayListAdapter instead.
     * @param buffer [out] Resulting buffer
     * @param size remaining size to deserialize, should be larger than buffer
     *        + size field size
     * @param bigEndian
     * @return
     */
    virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
            Endianness streamEndianness) override;

    uint8_t * getBuffer();
    const uint8_t * getConstBuffer();
    void setBuffer(uint8_t* buffer, count_t bufferLength);
private:
	bool serializeLength = false;
	const uint8_t *constBuffer = nullptr;
	uint8_t *buffer = nullptr;
	count_t bufferLength = 0;
};

#endif /* SERIALBUFFERADAPTER_H_ */