Protocol.h

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#pragma once

#ifndef PLEN2_PROTOCOL_H
#define PLEN2_PROTOCOL_H


#include <stdint.h>

namespace PLEN2
{
    class Protocol;
}

namespace Utility
{
    class AbstractParser;
}

class PLEN2::Protocol
{
protected:
    typedef enum
    {
        READY,               
        HEADER_INCOMING = 0, 
        COMMAND_INCOMING,    
        ARGUMENTS_INCOMING,  
        STATE_EOE            
    } State;

    class Buffer
    {
    public:
        enum { LENGTH = 128 };

        char    data[LENGTH]; 
        uint8_t position;     

        Buffer()
            : position(0)
        {
            for (uint8_t index = 0; index < LENGTH; index++)
            {
                data[index] = '\0';
            }
        }
    };

    Buffer  m_buffer;
    State   m_state;
    uint8_t m_store_length;
    bool    m_installing;
    Utility::AbstractParser* m_parser[STATE_EOE];

    void m_abort();

public:
    Protocol();

    virtual ~Protocol() {}

    void readByte(char byte);

    bool accept();

    void transitState();

    virtual void beforeHook();

    virtual void afterHook();
};

#endif // PLEN2_PROTOCOL_H