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/***************************************************************************
* Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
* *
* 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. *
* *
* 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <helper/log.h>
COMMAND_HANDLER(handle_foo_command)
{
if (CMD_ARGC < 1 || CMD_ARGC > 2)
{
LOG_ERROR("%s: incorrect number of arguments", CMD_NAME);
return ERROR_COMMAND_SYNTAX_ERROR;
}
uint32_t address;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
const char *msg = "<unchanged>";
if (CMD_ARGC == 2)
{
bool enable;
COMMAND_PARSE_ENABLE(CMD_ARGV[1], enable);
msg = enable ? "enable" : "disable";
}
LOG_INFO("%s: address=0x%8.8" PRIx32 " enabled=%s", CMD_NAME, address, msg);
return ERROR_OK;
}
static bool foo_flag;
COMMAND_HANDLER(handle_flag_command)
{
return CALL_COMMAND_HANDLER(handle_command_parse_bool,
&foo_flag, "foo flag");
}
static const struct command_registration foo_command_handlers[] = {
{
.name = "bar",
.handler = &handle_foo_command,
.mode = COMMAND_ANY,
.usage = "<address> [enable|disable]",
.help = "an example command",
},
{
.name = "baz",
.handler = &handle_foo_command,
.mode = COMMAND_ANY,
.usage = "<address> [enable|disable]",
.help = "a sample command",
},
{
.name = "flag",
.handler = &handle_flag_command,
.mode = COMMAND_ANY,
.usage = "[on|off]",
.help = "set a flag",
},
COMMAND_REGISTRATION_DONE
};
static COMMAND_HELPER(handle_hello_args, const char **sep, const char **name)
{
if (CMD_ARGC > 1)
{
LOG_ERROR("%s: too many arguments", CMD_NAME);
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (1 == CMD_ARGC)
{
*sep = " ";
*name = CMD_ARGV[0];
}
else
*sep = *name = "";
return ERROR_OK;
}
COMMAND_HANDLER(handle_hello_command)
{
const char *sep, *name;
int retval = CALL_COMMAND_HANDLER(handle_hello_args, &sep, &name);
if (ERROR_OK == retval)
command_print(CMD_CTX, "Greetings%s%s!", sep, name);
return retval;
}
const struct command_registration hello_command_handlers[] = {
{
.name = "hello",
.handler = &handle_hello_command,
.mode = COMMAND_ANY,
.help = "prints a warm welcome",
.usage = "[<name>]",
},
{
.name = "foo",
.mode = COMMAND_ANY,
.help = "example command handler skeleton",
.chain = foo_command_handlers,
},
COMMAND_REGISTRATION_DONE
};
int hello_register_commands(struct command_context *cmd_ctx)
{
return register_commands(cmd_ctx, NULL, hello_command_handlers);
}
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