public:

EtherCommand(); // Constructor

void addCommand(const char *command, void(*function)()); // Add a command to the processing dictionary.

void setDefaultHandler(void (*function)(const char *)); // A handler to call when no valid command received.

void readSerial(EthernetClient client); // Main entry point.

void clearBuffer(); // Clears the input buffer.

char *next(); // Returns pointer to next token found in command buffer (for getting arguments to commands).

private:

// Command/handler dictionary

struct EtherCommandCallback {

char command[EtherCommand_MAXCOMMANDLENGTH + 1];

void (*function)();

}; // Data structure to hold Command/Handler function key-value pairs

EtherCommandCallback *commandList; // Actual definition for command/handler array

byte commandCount;

// Pointer to the default handler function

void (*defaultHandler)(const char *);

char delim[2]; // null-terminated list of character to be used as delimeters for tokenizing (default " ")

char term; // Character that signals end of command (default '\n')

char buffer[EtherCommand_BUFFER + 1]; // Buffer of stored characters while waiting for terminator character

byte bufPos; // Current position in the buffer

char *last; // State variable used by strtok_r during processing