add ryfi decoder module

decoder_modules/ryfi_decoder/src/ryfi/packet.h

@@ -0,0 +1,88 @@
+#pragma once
+#include <stdint.h>
+
+namespace ryfi {
+    /**
+     * RyFi Protocol Packet.
+    */
+    class Packet {
+    public:
+        // Default constructor
+        Packet();
+
+        /**
+         * Create a packet from its content.
+         * @param content Content of the packet.
+         * @param size Number of bytes of content.
+        */
+        Packet(uint8_t* content, int size);
+
+        // Copy constructor
+        Packet(const Packet& b);
+
+        // Move constructor
+        Packet(Packet&& b);
+
+        // Destructor
+        ~Packet();
+
+        // Copy assignment operator
+        Packet& operator=(const Packet& b);
+
+        // Move assignment operator
+        Packet& operator=(Packet&& b);
+
+        // Cast to bool operator
+        operator bool() const;
+
+        /**
+         * Get the size of the content of the packet.
+         * @return Size of the content of the packet.
+        */
+        int size() const;
+
+        /**
+         * Get the content of the packet. The pointer is only valid until reallocation or deletion.
+         * @return Content of the packet.
+        */
+        const uint8_t* data() const;
+
+        /**
+         * Set the content of the packet.
+         * @param content Content of the packet.
+         * @param size Number of bytes of content.
+        */
+        void setContent(uint8_t* content, int size);
+
+        /**
+         * Get the size of the serialized packet.
+         * @return Size of the serialized packet.
+        */
+        int serializedSize() const;
+
+        /**
+         * Serialize the packet to bytes.
+         * @param bytes Buffer to which to write the serialized packet.
+         * @return Size of the serialized packet.
+        */
+        int serialize(uint8_t* bytes) const;
+
+        /**
+         * Deserialize a packet from bytes.
+         * TODO
+        */
+        static bool deserialize(uint8_t* bytes, int size, Packet& pkt);
+
+        // Maximum size of the content of the packet.
+        static inline const int MAX_CONTENT_SIZE    = 0xFFFF;
+
+        // Maximum size of the serialized packet.
+        static inline const int MAX_SERIALIZED_SIZE = MAX_CONTENT_SIZE + 2;
+
+    private:
+        void allocate(int newSize);
+
+        uint8_t* _content = NULL;
+        int _size = 0;
+    };
+}