/*
Parses the incoming argv list.
Arguments:
argv, argc,
cmd description
Action:
performs a match for every option string in the CMD description.
checks the number of arguments left
calls the user handler with the pointer to the correct arguments
Implementation:
- for each option in the table
- find it in the argv list
- check the required number of arguments
- call the handler
*/
int get_cmd_parse_data(char **argv, int argc, cmd_desc_t *desc)
{
int rc = 0;
cmd_data_t cmd;
int current = 1; /* Skip daemon name */
if (argv == NULL || desc == NULL)
return RC_INVALID_POINTER;
do {
rc = cmd_init(&cmd);
if (rc != 0)
break;
rc = cmd_add_vals_from_argv(&cmd, argv, argc);
if (rc != 0)
break;
while (current < cmd.argc) {
cmd_desc_t *ptr = opt_search(desc, cmd.argv[current]);
if (ptr == NULL) {
rc = RC_CMD_PARSER_INVALID_OPTION;
logit(LOG_WARNING,
"Invalid option name at position %d: %s", current + 1, cmd.argv[current]);
break;
}
// logit(LOG_NOTICE, "Found opt %d: %s", current, cmd.argv[current]);
++current;
/*check arg nr required by the current option */
if (current + ptr->argno > cmd.argc) {
rc = RC_CMD_PARSER_INVALID_OPTION_ARGUMENT;
logit(LOG_WARNING,
"Missing option value at position %d: %s", current + 1, ptr->option);
break;
}
rc = ptr->handler.func(&cmd, current, ptr->handler.context);
if (rc != 0) {
logit(LOG_WARNING, "Error parsing option %s", cmd.argv[current - 1]);
break;
}
current += ptr->argno;
}
}
while (0);
cmd_destruct(&cmd);
return rc;
}
/*
Parses the incoming argv list.
Arguments:
argv, argc,
cmd description
Action:
performs a match for every p_option string in the CMD description.
checks the number of arguments left
calls the user handler with the pointer to the correct arguments
Implementation:
- for each option in the table
- find it in the argv list
- check the required number of arguments
- call the handler
*/
RC_TYPE get_cmd_parse_data(char **argv, int argc, CMD_DESCRIPTION_TYPE *p_cmd_descr)
{
RC_TYPE rc = RC_OK;
CMD_DATA cmd;
int curr_arg_nr = 1; /* without the prg name*/
if (argv == NULL || p_cmd_descr == NULL)
{
return RC_INVALID_POINTER;
}
do
{
rc = cmd_init(&cmd);
if (rc != RC_OK)
{
break;
}
rc = cmd_add_vals_from_argv(&cmd, argv, argc);
if (rc != RC_OK)
{
break;
}
while(curr_arg_nr < cmd.argc)
{
CMD_DESCRIPTION_TYPE *p_curr_opt = opt_search(p_cmd_descr, cmd.argv[curr_arg_nr]);
if (p_curr_opt == NULL)
{
rc = RC_CMD_PARSER_INVALID_OPTION;
DBG_PRINTF((LOG_WARNING,"W:" MODULE_TAG "Invalid option name at position %d ('%s')\n",
curr_arg_nr + 1, cmd.argv[curr_arg_nr]));
break;
}
++curr_arg_nr;
/*check arg nr required by the current option*/
if (curr_arg_nr + p_curr_opt->arg_nr > cmd.argc)
{
rc = RC_CMD_PARSER_INVALID_OPTION_ARGUMENT;
DBG_PRINTF((LOG_WARNING,"W:" MODULE_TAG "Missing option value at position %d ('%s')\n",
curr_arg_nr + 1, p_curr_opt->p_option));
break;
}
rc = p_curr_opt->p_handler.p_func(&cmd, curr_arg_nr, p_curr_opt->p_handler.p_context);
if (rc != RC_OK)
{
DBG_PRINTF((LOG_WARNING,"W:" MODULE_TAG "Error parsing option %d ('%s')\n",
curr_arg_nr, cmd.argv[curr_arg_nr-1]));
break;
}
curr_arg_nr += p_curr_opt->arg_nr;
}
}
while(0);
cmd_destruct(&cmd);
return rc;
}
