/**
* Retrieve arguments from global to prepare them for further use.
*
* @param CommandEvent $event The Composer event fired to retrieve arguments from
*
* @author Benjamin Carl <*****@*****.**>
* @return boolean|null TRUE on success, otherwise FALSE
* @access protected
* @static
*/
protected static function initArguments(CommandEvent $event = null)
{
// Check for retrieving arguments from Composer event ...
if ($event !== null) {
$arguments = $event->getArguments();
} else {
$arguments = $_SERVER['argv'];
}
// Check for strict mode
$strict = in_array('--strict', $arguments);
$arguments = new \cli\Arguments(compact('strict'), $arguments);
$arguments->addFlag(array('verbose', 'v'), 'Turn on verbose output');
$arguments->addFlag(array('version', 'V'), 'Display the version');
$arguments->addFlag(array('quiet', 'q'), 'Disable all output');
$arguments->addFlag(array('help', 'h'), 'Show this help screen');
// Parse the arguments
$arguments->parse();
// Store arguments ...
self::$arguments = $arguments;
if (isset(self::$arguments['help']) === true) {
self::showHelp();
}
}
/**
* Validates a path for installation.
*
* @param string $path The path to validation
*
* @author Benjamin Carl <*****@*****.**>
*
* @return string TRUE if path is valid, otherwise FALSE
*
* @throws Exception
*/
protected static function validatePath($path)
{
// Validate path by default logic
$path = parent::validatePath($path);
// Collection of existing folders for error message
$existingFolders = [];
// Check now if any of the target directories exists
foreach (self::getFolders() as $folder) {
if (file_exists($path . $folder)) {
$existingFolders[] = $folder . '/';
}
}
// Any folder found? => Exception
if (count($existingFolders) > 0) {
throw new Exception('The target directory contains the following files/folders already: ' . implode(' & ', $existingFolders) . '.' . PHP_EOL . 'Remove those files/folders first and try again.' . PHP_EOL);
}
return $path;
}