function readline_completion_impl($string, $index)
{
$readline_info = readline_info();
$line = substr($readline_info['line_buffer'], 0, $readline_info['end']);
$parts = Helper_Common::parseCommand($line);
$candidates = array();
if (empty($parts)) {
// no input yet, just return list of helper functions
$candidates += array_keys($GLOBALS['HELPERS']);
} else {
if (isset($GLOBALS['HELPERS'][$parts[0]])) {
// we actually got the helper function correctly
$PARAMS = array_slice($parts, 1);
$IS_COMPLETION = true;
require $GLOBALS['HELPERS'][$parts[0]];
} else {
// incomplete helper function...
$candidates += array_keys($GLOBALS['HELPERS']);
}
}
return $candidates;
}
