public function bindArrowUp(Readline $self)
{
$self->clearTerminalLine();
$prefix = $self->getPrefix();
$buffer = $self->previousHistory();
$self->setBuffer("\r" . $prefix . $buffer);
$self->setLine($buffer);
return $self::READ_CONTINUE;
}
/**
* Up arrow binding.
* Go backward in the history.
*
* @access public
* @param \Hoa\Console\Readline $self Self.
* @return int
*/
public function _bindArrowUp(Readline $self)
{
if (0 === (static::STATE_CONTINUE & static::STATE_NO_ECHO)) {
\Hoa\Console\Cursor::clear('↔');
echo $self->getPrefix();
}
$self->setBuffer($buffer = $self->previousHistory());
$self->setLine($buffer);
return static::STATE_CONTINUE;
}