<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2020 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Command\ListCommand;
use Symfony\Component\Console\Input\InputInterface;
/**
* Method Enumerator class.
*/
class MethodEnumerator extends Enumerator
{
/**
* {@inheritdoc}
*/
protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
{
// only list methods when a Reflector is present.
if ($reflector === null) {
return [];
}
// We can only list methods on actual class (or object) reflectors.
if (!$reflector instanceof \ReflectionClass) {
return [];
}
// only list methods if we are specifically asked
if (!$input->getOption('methods')) {
return [];
}
$showAll = $input->getOption('all');
$noInherit = $input->getOption('no-inherit');
$methods = $this->prepareMethods($this->getMethods($showAll, $reflector, $noInherit));
if (empty($methods)) {
return [];
}
$ret = [];
$ret[$this->getKindLabel($reflector)] = $methods;
return $ret;
}
/**
* Get defined methods for the given class or object Reflector.
*
* @param bool $showAll Include private and protected methods
* @param \Reflector $reflector
* @param bool $noInherit Exclude inherited methods
*
* @return array
*/
protected function getMethods($showAll, \Reflector $reflector, $noInherit = false)
{
$className = $reflector->getName();
$methods = [];
foreach ($reflector->getMethods() as $name => $method) {
// For some reason PHP reflection shows private methods from the parent class, even
// though they're effectively worthless. Let's suppress them here, like --no-inherit
if (($noInherit || $method->isPrivate()) && $method->getDeclaringClass()->getName() !== $className) {
continue;
}
if ($showAll || $method->isPublic()) {
$methods[$method->getName()] = $method;
}
}
\ksort($methods, SORT_NATURAL | SORT_FLAG_CASE);
return $methods;
}
/**
* Prepare formatted method array.
*
* @param array $methods
*
* @return array
*/
protected function prepareMethods(array $methods)
{
// My kingdom for a generator.
$ret = [];
foreach ($methods as $name => $method) {
if ($this->showItem($name)) {
$ret[$name] = [
'name' => $name,
'style' => $this->getVisibilityStyle($method),
'value' => $this->presentSignature($method),
];
}
}
return $ret;
}
/**
* Get a label for the particular kind of "class" represented.
*
* @param \ReflectionClass $reflector
*
* @return string
*/
protected function getKindLabel(\ReflectionClass $reflector)
{
if ($reflector->isInterface()) {
return 'Interface Methods';
} elseif (\method_exists($reflector, 'isTrait') && $reflector->isTrait()) {
return 'Trait Methods';
} else {
return 'Class Methods';
}
}
/**
* Get output style for the given method's visibility.
*
* @param \ReflectionMethod $method
*
* @return string
*/
private function getVisibilityStyle(\ReflectionMethod $method)
{
if ($method->isPublic()) {
return self::IS_PUBLIC;
} elseif ($method->isProtected()) {
return self::IS_PROTECTED;
} else {
return self::IS_PRIVATE;
}
}
}