/**
* Up arrow binding.
* Go backward in the history.
*
* @param \Hoa\Console\Readline $self Self.
* @return int
*/
public function _bindArrowUp(Readline $self)
{
if (0 === (static::STATE_CONTINUE & static::STATE_NO_ECHO)) {
Console\Cursor::clear('↔');
echo $self->getPrefix();
}
$self->setBuffer($buffer = $self->previousHistory());
$self->setLine($buffer);
return static::STATE_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)) {
Cursor::clear('line');
echo $self->getPrefix();
}
$line = $this->getLine();
// User is working on something new, but decides to look at history
if ($this->_historyCurrent === $this->_historySize) {
// Save the current line so we can resume it
$this->workingLine = $line;
}
$mLines = substr_count($line, "\n");
Cursor::move('up', $mLines);
Cursor::clear('LEFT');
Cursor::clear('down', $mLines + 1);
$buffer = $self->previousHistory();
$self->setBuffer($buffer);
$self->setLine($buffer);
$bufLines = array();
foreach (explode("\n", $buffer) as $i => $bufLine) {
if ($i !== 0) {
$bufLines[] = $this->prefixMore . $bufLine;
} else {
$bufLines[] = $bufLine;
}
}
echo implode("\n", $bufLines);
return static::STATE_CONTINUE | static::STATE_NO_ECHO;
}
