int command_type()
{
if(*current_command == '@')
{
current_command_type = A_COMMAND;
return A_COMMAND;
} else if(search_command(current_command, '(') > 0 || search_command(current_command, ')') > 0) {
current_command_type = L_COMMAND;
return L_COMMAND;
} else if(!isdigit(*current_command)){
current_command_type = C_COMMAND;
return C_COMMAND;
} else if(isdigit(*current_command)){
current_command_type = C_COMMAND;
return C_COMMAND;
} else {
int i = find_line_num();
line_notification(i);
exit_error(7, "Incorrect Command Type");
return -1;
}
}
//==========================================================================================================
// Go over the file line by line. If you see control flow keywords (if, else, etc.) call the appropriate
// handler. Otherwise check if the line contains a command call, and if so execute it.
//==========================================================================================================
void ScriptReader::interpret(string filename)
{
string filepath = MServer::inst.get_value(SCENARIO_DIR) + "/" + filename;
ifstream file(filepath);
if(!file.is_open())
{
throw string("File " + filepath + " not found");
}
//------------------------------------------------------------------------------------------------------
// Go over the lines of the file and execute commands
//------------------------------------------------------------------------------------------------------
for(string line; getline(file, line);) {
trim(line);
if(line.empty())
{
continue;
}
search_command(line, file);
}
//------------------------------------------------------------------------------------------------------
// Check that control flow structures (if-else) are closed properly
//------------------------------------------------------------------------------------------------------
bool non_closed_if = !if_stack.empty();
while(!if_stack.empty())
{
delete if_stack.top();
if_stack.pop();
}
if(non_closed_if)
{
throw string("If statement not closed");
}
}
int parse_and_execute (char *line)
{
char *cmd = NULL;
char * args [MAX_TOKENS];
cmdnode_t *cmd_node = NULL;
int error_code = -1;
if (!(cmd = check_alias (line))) {
cmd = line;
}
if (!(cmd_node = search_command (cmd, &args, &error_code))) {
write_string (cli_error[error_code]);
return -1;
}
if (!(get_curr_priv_level () & cmd_node->priv_mode)) {
write_string (cli_error[ERR_INVALID_COMMAND]);
return 0;
}
execute_cmd (cmd_node, args);
return 0;
}
void system(const char * cmdline)
{
struct command_t * cmd;
char **args;
char *p, *buf, *pos;
size_t len;
int n, ret;
if(!cmdline)
return;
len = strlen(cmdline);
buf = malloc(len + 2);
if(!buf)
return;
memcpy(buf, cmdline, len);
memcpy(buf + len, " ", 2);
p = buf;
while(*p)
{
if(parser(p, &n, &args, &pos))
{
if(n > 0)
{
cmd = search_command(args[0]);
if(cmd)
{
ret = cmd->exec(n, args);
if(ret != 0)
{
/*
* if having other command which waitting be exec, abort.
*/
if(pos)
{
printf(" when exec \'%s\' command return an error code (%ld).\r\n", args[0], ret);
free(args[0]);
free(args);
break;
}
}
}
else
{
printf(" could not found \'%s\' command \r\n", args[0]);
printf(" if you want to kown available commands, type 'help'.\r\n");
/*
* if having other command which waitting be exec, abort.
*/
if(pos)
{
free(args[0]);
free(args);
break;
}
}
}
free(args[0]);
free(args);
}
if(!pos)
*p = 0;
else
p = pos;
}
free(buf);
}
