/**
* Execute the Help option
*
* @param array $argumentData Argument data
*
* @return bool Stop/Don't stop execution
*/
public function execute($argumentData)
{
\Usher\Lib\Console\Output::msg('Help Information:');
/**
* look through all of our option and find the
* docblock comments with their description
*/
$iterator = new \DirectoryIterator(__DIR__);
$optionMaxLength = 0;
$options = array();
foreach ($iterator as $fileinfo) {
if ($fileinfo->isFile()) {
// include the file so we can get it's class
$fileName = str_replace('.php', '', $fileinfo->getFilename());
$className = '\\Usher\\Lib\\Console\\Option\\' . $fileName;
include_once $fileinfo->getPathname();
$ref = new \ReflectionClass($className);
$comment = $ref->getDocComment();
//see if we have a
if (preg_match('/@description(.+)/', $comment, $matches) !== false) {
$options[strtolower($fileName)] = trim($matches[1]);
if (strlen($fileName) > $optionMaxLength) {
$optionMaxLength = strlen($fileName);
}
}
}
}
// now echo out our options
if (!empty($options)) {
// pad out the value to our max length
foreach ($options as $keyName => $option) {
echo ' --' . str_pad($keyName, $optionMaxLength + 1, " ", STR_PAD_RIGHT) . ' : ' . $option . "\n";
}
}
//and one last line for good luck
echo "\n";
return false;
}
/**
* Parse the current options given on the command line
*
* @return void
*/
private static function _parseArguments()
{
$args = $_SERVER['argv'];
// go through our options and see if any of them are defined
// remove the first since it's the script's name
$arguments = isset($_SERVER['argv']) && !empty($_SERVER['argv']) ? array_slice($_SERVER['argv'], 1, count($_SERVER['argv']) - 1) : array();
foreach ($arguments as $argument) {
// remove the "-" or "--", but only at the beginning
$argument = preg_replace('/^\\-+/', '', $argument);
// split off the key/value
$parts = explode('=', $argument);
$argument = !is_array($parts) ? array($parts) : $parts;
// see if we have a class to match it
$nsPath = '\\Usher\\Lib\\Console\\Option\\' . ucwords(strtolower($argument[0]));
try {
try {
$stopExecution = $nsPath::execute($argument);
if ($stopExecution == false) {
die;
}
} catch (\RuntimeException $re) {
\Usher\Lib\Console\Output::msg($re->getMessage());
if ($stopExecution == false) {
die;
}
}
} catch (\Exception $e) {
// can't find the argument class
\Usher\Lib\Console\Output::msg('Option "' . $argument[0] . '" not found.');
}
}
}
