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[yaffs-website] / vendor / psy / psysh / src / Command / ListCommand / PropertyEnumerator.php

diff --git a/vendor/psy/psysh/src/Command/ListCommand/PropertyEnumerator.php b/vendor/psy/psysh/src/Command/ListCommand/PropertyEnumerator.php
new file mode 100644 (file)
index 0000000..15ce45d
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+++ b/vendor/psy/psysh/src/Command/ListCommand/PropertyEnumerator.php
@@ -0,0 +1,180 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2018 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 = [];
+        $ret[$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();
+
+        $properties = [];
+        foreach ($reflector->getProperties() as $property) {
+            if ($noInherit && $property->getDeclaringClass()->getName() !== $className) {
+                continue;
+            }
+
+            if ($showAll || $property->isPublic()) {
+                $properties[$property->getName()] = $property;
+            }
+        }
+
+        ksort($properties, SORT_NATURAL | SORT_FLAG_CASE);
+
+        return $properties;
+    }
+
+    /**
+     * Prepare formatted property array.
+     *
+     * @param array $properties
+     *
+     * @return array
+     */
+    protected function prepareProperties(array $properties, $target = null)
+    {
+        // My kingdom for a generator.
+        $ret = [];
+
+        foreach ($properties as $name => $property) {
+            if ($this->showItem($name)) {
+                $fname = '$' . $name;
+                $ret[$fname] = [
+                    '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 $target is a class, trait or interface (try to) get the default
+        // value for the property.
+        if (!is_object($target)) {
+            try {
+                $refl = new \ReflectionClass($target);
+                $props = $refl->getDefaultProperties();
+                if (array_key_exists($property->name, $props)) {
+                    $suffix = $property->isStatic() ? '' : ' <aside>(default)</aside>';
+
+                    return $this->presentRef($props[$property->name]) . $suffix;
+                }
+            } catch (\Exception $e) {
+                // Well, we gave it a shot.
+            }
+
+            return '';
+        }
+
+        $property->setAccessible(true);
+        $value = $property->getValue($target);
+
+        return $this->presentRef($value);
+    }
+}