/**
* Returns methods annotated with a given annotatoons
*
* @param lang.XPClass $self
* @param string $annotation
* @return lang.reflect.Method[]
*/
public static function methodsAnnotatedWith(\lang\XPClass $self, $annotation)
{
$name = substr($annotation, 1);
$r = array();
foreach ($self->getMethods() as $method) {
if ($method->hasAnnotation($name)) {
$r[] = $method;
}
}
return $r;
}
/**
* Show usage
*
* @param lang.XPClass class
* @return void
*/
protected function commandUsage(XPClass $class)
{
// Description
if (null !== ($comment = $class->getComment())) {
self::$err->writeLine(self::textOf($comment));
self::$err->writeLine(str_repeat('=', 72));
}
$extra = $details = $positional = [];
foreach ($class->getMethods() as $method) {
if (!$method->hasAnnotation('arg')) {
continue;
}
$arg = $method->getAnnotation('arg');
$name = strtolower(preg_replace('/^set/', '', $method->getName()));
$comment = self::textOf($method->getComment());
if (0 == $method->numParameters()) {
$optional = true;
} else {
list($first, ) = $method->getParameters();
$optional = $first->isOptional();
}
if (isset($arg['position'])) {
$details['#' . ($arg['position'] + 1)] = $comment;
$positional[$arg['position']] = $name;
} else {
if (isset($arg['name'])) {
$details['--' . $arg['name'] . ' | -' . (isset($arg['short']) ? $arg['short'] : $arg['name'][0])] = $comment;
$extra[$arg['name']] = $optional;
} else {
$details['--' . $name . ' | -' . (isset($arg['short']) ? $arg['short'] : $name[0])] = $comment;
$extra[$name] = $optional;
}
}
}
// Usage
asort($positional);
self::$err->write('Usage: $ xpcli ', Commands::nameOf($class), ' ');
foreach ($positional as $name) {
self::$err->write('<', $name, '> ');
}
foreach ($extra as $name => $optional) {
self::$err->write($optional ? '[' : '', '--', $name, $optional ? '] ' : ' ');
}
self::$err->writeLine();
// Argument details
self::$err->writeLine('Arguments:');
foreach ($details as $which => $comment) {
self::$err->writeLine('* ', $which, "\n ", str_replace("\n", "\n ", $comment), "\n");
}
}
