FrameParser.h

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#ifndef HDLC_FRAME_PARSER_H
#define HDLC_FRAME_PARSER_H

#include <vector>
#include "HdlcFrame.h"
class ProtocolState;

class FrameParser {
public:
    FrameParser(ProtocolState& a_ProtocolState);
    void Reset();
    void AddReceivedRawBytes(const unsigned char* a_Buffer, size_t a_Bytes);
    
private:
    // Interal helpers
    size_t AddChunk(const unsigned char* a_Buffer, size_t a_Bytes);
    bool RemoveEscapeCharacters();
    HdlcFrame DeserializeFrame(const std::vector<unsigned char> &a_UnescapedBuffer) const;
    
    // Members
    ProtocolState& m_ProtocolState;

    enum { max_length = 1024 };
    std::vector<unsigned char> m_Buffer;
    bool m_bStartTokenSeen;
};

#endif // HDLC_FRAME_PARSER_H