102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
![]() |
/*
|
||
|
* Copyright (C) 2009 Martin Willi
|
||
|
* Hochschule fuer Technik Rapperswil
|
||
|
*
|
||
|
* 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 2 of the License, or (at your
|
||
|
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
|
||
|
*
|
||
|
* This program 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.
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* @defgroup command command
|
||
|
* @{ @ingroup pki
|
||
|
*/
|
||
|
|
||
|
#ifndef COMMAND_H_
|
||
|
#define COMMAND_H_
|
||
|
|
||
|
#define _GNU_SOURCE
|
||
|
#include <getopt.h>
|
||
|
|
||
|
/**
|
||
|
* Maximum number of options in a command (+1)
|
||
|
*/
|
||
|
#define MAX_OPTIONS 14
|
||
|
|
||
|
/**
|
||
|
* Maximum number of usage summary lines (+1)
|
||
|
*/
|
||
|
#define MAX_LINES 8
|
||
|
|
||
|
typedef struct command_t command_t;
|
||
|
typedef enum command_type_t command_type_t;
|
||
|
|
||
|
/**
|
||
|
* Command specification.
|
||
|
*/
|
||
|
struct command_t {
|
||
|
/** Function implementing the command */
|
||
|
int (*call)(int, char*[]);
|
||
|
/** short option character */
|
||
|
char op;
|
||
|
/** long option string */
|
||
|
char *cmd;
|
||
|
/** description of the command */
|
||
|
char *description;
|
||
|
/** usage summary of the command */
|
||
|
char *line[MAX_LINES];
|
||
|
/** list of options the command accepts */
|
||
|
struct {
|
||
|
/** long option string of the option */
|
||
|
char *name;
|
||
|
/** short option character of the option */
|
||
|
char op;
|
||
|
/** expected argument to option, no/req/opt_argument */
|
||
|
int arg;
|
||
|
/** description of the option */
|
||
|
char *desc;
|
||
|
} options[MAX_OPTIONS];
|
||
|
};
|
||
|
|
||
|
/**
|
||
|
* Type of available commands
|
||
|
*/
|
||
|
enum command_type_t {
|
||
|
CMD_HELP = 0,
|
||
|
CMD_GEN,
|
||
|
CMD_PUB,
|
||
|
CMD_KEYID,
|
||
|
CMD_SELF,
|
||
|
CMD_ISSUE,
|
||
|
CMD_VERIFY,
|
||
|
CMD_MAX
|
||
|
};
|
||
|
|
||
|
/**
|
||
|
* Options of the currently processing command.
|
||
|
*/
|
||
|
extern struct option command_opts[];
|
||
|
|
||
|
/**
|
||
|
* Register a command.
|
||
|
*/
|
||
|
void command_register(command_type_t type, command_t command);
|
||
|
|
||
|
/**
|
||
|
* Dispatch commands.
|
||
|
*/
|
||
|
int command_dispatch(int argc, char *argv[]);
|
||
|
|
||
|
/**
|
||
|
* Show usage information of active command.
|
||
|
*/
|
||
|
int command_usage(command_type_t cmd, char *error);
|
||
|
|
||
|
#endif /* COMMAND_H_ @}*/
|