/**
* Checks if the given virtual command line interface exists by id.
*
* @param $id The id used to create the original virtual command line interface.
*
* @return bool Returns true if the given $id exists otherwise false.
*/
static function has_cli($id)
{
$cli_list = VCLIManager::cli_list();
$list = [];
foreach ($cli_list as $c) {
$c = new GString($c);
array_push($list, $c->delRightMost(chr(9))->__toString());
}
return in_array($id, $list);
}
/**
* Get the current results from the virtual commandline interface. Non-blocking. Specify an optional command_id to
* retrieve a command's specific results or none (-1 default) to return all results of the current given session.
*
* @param int $command_id Optional id of a specific command to get the results for or -1 (default) to return all
*
* @return string The given results.
*/
public function get_results($command_id = -1)
{
$args = array('wait_for' => $command_id, 'console_id' => $this->id, 'action' => 'result');
$results = VCLIManager::send($args);
// Filter out password and ~~~done~~~ echos if present
$lines = explode(Chr(10), $results);
$results = "";
$prev = "";
foreach ($lines as $line) {
// Hide passwords in response to prompts
if (substr(strtolower($prev), 0, 8) === "password") {
$line = "********" . $this->eol;
}
// Hide done waiting mechanism
if (false !== strpos($line, "~~~done~~~")) {
$line = str_replace($this->concat_char . "echo ~~~done~~~", "", $line);
$line = str_replace("~~~done~~~", "", $line);
}
// Eat echo'd command on Windows
if (VCLIManager::$platform === 'win32') {
if ($line === substr($prev, -strlen($line)) && strlen($prev) > strlen($line)) {
continue;
}
}
// Eat invisible [?1034h
if (substr($line, 0, 8) === '[?1034h') {
$line = substr($line, 8);
}
$prev = $line;
$results .= $line . Chr(10);
}
// Parse out the percent complete from the initial response
$results = new GString($results);
$this->completed = intval($results->getLeftMost("|\n"));
return $results->delLeftMost("|\n")->__toString();
}
/**
* Uncomment the line containing the key that was found from a prior find
* method call.
*/
function uncomment()
{
if (false === $this->last_index) {
return;
}
if ($this->is_commented()) {
$line = new GString($this->block[$this->last_index]);
$comment = $this->comment_chars;
if (false === strpos($this->block[$this->last_index], $comment)) {
$comment = new GString($comment);
// accomodate missing whitespace
$comment = $comment->trim()->__toString();
}
$this->block[$this->last_index] = $line->delLeftMost($comment)->__toString();
}
}
