#include <stdint.h>

typedef enum
{
	  SHELLMATTA_OK = 0u
	, SHELLMATTA_ERROR
	, SHELLMATTA_CONTINUE
	, SHELLMATTA_USE_FAULT
} shellmatta_retCode_t;

typedef shellmatta_retCode_t (*shellmatta_cmdFct_t)(int argc, char *argv[]);

typedef struct shellmatta_cmd
{
	char *cmd;
	char *cmdAlias;
	char *helpText;
	char *usageText;
	shellmatta_cmdFct_t cmdFct;
	struct shellmatta_cmd *next;
} shellmatta_cmd_t;

typedef struct
{
	uint8_t *buffer;
	uint32_t bufferSize;
	uint32_t bufferWritePointer;
	uint32_t bufferReadPointer;
	uint8_t *historyBuffer;
	uint32_t historyBufferSize;
	shellmatta_cmd_t *cmdList;
} shellmatta_instance_t;

extern void shellmatta_doInit(shellmatta_instance_t *inst, uint8_t *buffer, uint32_t bufferSize, uint8_t *historyBuffer, uint32_t historyBufferSize);
extern void shellmatta_addCmd(shellmatta_instance_t *inst, shellmatta_cmd_t *cmd);
extern void shellmatta_doTask(shellmatta_instance_t *inst, uint32_t time);
extern void shellmatta_processData(shellmatta_instance_t *inst, char *data, uint32_t size);
extern void shellmatta_printf(shellmatta_instance_t *inst, const char *fmt, ...);
extern void shellmatta_getArg(uint32_t cnt, uint8_t *arg);