--- /dev/null
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 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;
+
+/**
+ * Property Enumerator class.
+ */
+class PropertyEnumerator extends Enumerator
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
+ {
+ // only list properties when a Reflector is present.
+
+ if ($reflector === null) {
+ return;
+ }
+
+ // We can only list properties on actual class (or object) reflectors.
+ if (!$reflector instanceof \ReflectionClass) {
+ return;
+ }
+
+ // only list properties if we are specifically asked
+ if (!$input->getOption('properties')) {
+ return;
+ }
+
+ $showAll = $input->getOption('all');
+ $noInherit = $input->getOption('no-inherit');
+ $properties = $this->prepareProperties($this->getProperties($showAll, $reflector, $noInherit), $target);
+
+ if (empty($properties)) {
+ return;
+ }
+
+ $ret = array();
+ $ret[$this->getKindLabel($reflector)] = $properties;
+
+ return $ret;
+ }
+
+ /**
+ * Get defined properties for the given class or object Reflector.
+ *
+ * @param bool $showAll Include private and protected properties
+ * @param \Reflector $reflector
+ * @param bool $noInherit Exclude inherited properties
+ *
+ * @return array
+ */
+ protected function getProperties($showAll, \Reflector $reflector, $noInherit = false)
+ {
+ $className = $reflector->getName();
+
+ $properties = array();
+ foreach ($reflector->getProperties() as $property) {
+ if ($noInherit && $property->getDeclaringClass()->getName() !== $className) {
+ continue;
+ }
+
+ if ($showAll || $property->isPublic()) {
+ $properties[$property->getName()] = $property;
+ }
+ }
+
+ // TODO: this should be natcasesort
+ ksort($properties);
+
+ return $properties;
+ }
+
+ /**
+ * Prepare formatted property array.
+ *
+ * @param array $properties
+ *
+ * @return array
+ */
+ protected function prepareProperties(array $properties, $target = null)
+ {
+ // My kingdom for a generator.
+ $ret = array();
+
+ foreach ($properties as $name => $property) {
+ if ($this->showItem($name)) {
+ $fname = '$' . $name;
+ $ret[$fname] = array(
+ 'name' => $fname,
+ 'style' => $this->getVisibilityStyle($property),
+ 'value' => $this->presentValue($property, $target),
+ );
+ }
+ }
+
+ 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 Properties';
+ } elseif (method_exists($reflector, 'isTrait') && $reflector->isTrait()) {
+ return 'Trait Properties';
+ } else {
+ return 'Class Properties';
+ }
+ }
+
+ /**
+ * Get output style for the given property's visibility.
+ *
+ * @param \ReflectionProperty $property
+ *
+ * @return string
+ */
+ private function getVisibilityStyle(\ReflectionProperty $property)
+ {
+ if ($property->isPublic()) {
+ return self::IS_PUBLIC;
+ } elseif ($property->isProtected()) {
+ return self::IS_PROTECTED;
+ } else {
+ return self::IS_PRIVATE;
+ }
+ }
+
+ /**
+ * Present the $target's current value for a reflection property.
+ *
+ * @param \ReflectionProperty $property
+ * @param mixed $target
+ *
+ * @return string
+ */
+ protected function presentValue(\ReflectionProperty $property, $target)
+ {
+ if (!is_object($target)) {
+ // TODO: figure out if there's a way to return defaults when target
+ // is a class/interface/trait rather than an object.
+ return '';
+ }
+
+ $property->setAccessible(true);
+ $value = $property->getValue($target);
+
+ return $this->presentRef($value);
+ }
+}