79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
#ifndef SERIALBUFFERADAPTER_H_
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#define SERIALBUFFERADAPTER_H_
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#include "../serialize/SerializeIF.h"
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#include "../serialize/SerializeAdapter.h"
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/**
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* This adapter provides an interface for SerializeIF to serialize or deserialize
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* buffers with no length header but a known size.
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*
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* Additionally, the buffer length can be serialized too and will be put in
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* front of the serialized buffer.
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*
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* Can be used with SerialLinkedListAdapter by declaring a SerializeElement with
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* SerialElement<SerialBufferAdapter<bufferLengthType(will be uint8_t mostly)>>.
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* Right now, the SerialBufferAdapter must always
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* be initialized with the buffer and size !
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*
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* \ingroup serialize
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*/
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template<typename count_t>
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class SerialBufferAdapter: public SerializeIF {
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public:
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/**
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* Constructor for constant uint8_t buffer. Length field can be serialized optionally.
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* Type of length can be supplied as template type.
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* @param buffer
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* @param bufferLength
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* @param serializeLength
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*/
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SerialBufferAdapter(const uint8_t* buffer, count_t bufferLength,
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bool serializeLength = false);
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/**
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* Constructor for non-constant uint8_t buffer.
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* Length field can be serialized optionally.
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* Type of length can be supplied as template type.
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* @param buffer
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* @param bufferLength
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* @param serializeLength Length field will be serialized with size count_t
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*/
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SerialBufferAdapter(uint8_t* buffer, count_t bufferLength,
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bool serializeLength = false);
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virtual ~SerialBufferAdapter();
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virtual ReturnValue_t serialize(uint8_t** buffer, size_t* size,
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size_t maxSize, Endianness streamEndianness) const override;
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virtual size_t getSerializedSize() const override;
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/**
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* @brief This function deserializes a buffer into the member buffer.
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* @details
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* If a length field is present, it is ignored, as the size should have
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* been set in the constructor. If the size is not known beforehand,
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* consider using SerialFixedArrayListAdapter instead.
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* @param buffer [out] Resulting buffer
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* @param size remaining size to deserialize, should be larger than buffer
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* + size field size
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* @param bigEndian
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* @return
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*/
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virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
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Endianness streamEndianness) override;
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uint8_t * getBuffer();
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const uint8_t * getConstBuffer();
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void setBuffer(uint8_t* buffer, count_t bufferLength);
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private:
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bool serializeLength = false;
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const uint8_t *constBuffer = nullptr;
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uint8_t *buffer = nullptr;
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count_t bufferLength = 0;
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};
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#endif /* SERIALBUFFERADAPTER_H_ */
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