/******************************************************************************
Copyright 2009, Freie Universitaet Berlin (FUB). All rights reserved.

These sources were developed at the Freie Universitaet Berlin, Computer Systems
and Telematics group (http://cst.mi.fu-berlin.de).
-------------------------------------------------------------------------------
This file is part of RIOT.

This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.

RIOT is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with
this program.  If not, see http://www.gnu.org/licenses/ .
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For further information and questions please use the web site
	http://scatterweb.mi.fu-berlin.de
and the mailinglist (subscription via web site)
	scatterweb@lists.spline.inf.fu-berlin.de
*******************************************************************************/

#ifndef __SHELL_H
#define __SHELL_H

/**
 * @defgroup shell Simple Shell Interpreter
 * @ingroup feuerware
 */

//#include "hashtable.h"

typedef struct shell_command_t {
    char *name;
    char *desc;
    void (*handler)(char *);
} shell_command_t;

typedef struct shell_t {
    const shell_command_t *command_list;
    int (*readchar)(void);
    void (*put_char)(int);
} shell_t;

/**
 * @brief Initialize a shell object
 * @param shell Pointer to preallocated shell object
 * @param shell_commands Pointer to shell command structure. See test_shell project for example.
 * @param read_char Pointer to input device read function. Should return exactly one byte or block.
 * @param put_char Pointer to output funtion. currently unused, shell code will use printf.
 */
void shell_init(shell_t *shell,  /*@null@*/ const shell_command_t *shell_commands, int(*read_char)(void), void (*put_char)(int));

/**
 * @brief Endless loop that waits for command and executes handler.
 */
void shell_run(shell_t *shell);


void shell_auto_init(shell_t *shell);

#endif /* __SHELL_H */