Version 1

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

diff --git a/vendor/psy/psysh/src/Psy/Command/ListCommand/ClassConstantEnumerator.php b/vendor/psy/psysh/src/Psy/Command/ListCommand/ClassConstantEnumerator.php
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+<?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 Psy\Reflection\ReflectionConstant;
+use Symfony\Component\Console\Input\InputInterface;
+
+/**
+ * Class Constant Enumerator class.
+ */
+class ClassConstantEnumerator extends Enumerator
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
+    {
+        // only list constants when a Reflector is present.
+
+        if ($reflector === null) {
+            return;
+        }
+
+        // We can only list constants on actual class (or object) reflectors.
+        if (!$reflector instanceof \ReflectionClass) {
+            // TODO: handle ReflectionExtension as well
+            return;
+        }
+
+        // only list constants if we are specifically asked
+        if (!$input->getOption('constants')) {
+            return;
+        }
+
+        $noInherit = $input->getOption('no-inherit');
+        $constants = $this->prepareConstants($this->getConstants($reflector, $noInherit));
+
+        if (empty($constants)) {
+            return;
+        }
+
+        $ret = array();
+        $ret[$this->getKindLabel($reflector)] = $constants;
+
+        return $ret;
+    }
+
+    /**
+     * Get defined constants for the given class or object Reflector.
+     *
+     * @param \Reflector $reflector
+     * @param bool       $noInherit Exclude inherited constants
+     *
+     * @return array
+     */
+    protected function getConstants(\Reflector $reflector, $noInherit = false)
+    {
+        $className = $reflector->getName();
+
+        $constants = array();
+        foreach ($reflector->getConstants() as $name => $constant) {
+            $constReflector = new ReflectionConstant($reflector, $name);
+
+            if ($noInherit && $constReflector->getDeclaringClass()->getName() !== $className) {
+                continue;
+            }
+
+            $constants[$name] = $constReflector;
+        }
+
+        // TODO: this should be natcasesort
+        ksort($constants);
+
+        return $constants;
+    }
+
+    /**
+     * Prepare formatted constant array.
+     *
+     * @param array $constants
+     *
+     * @return array
+     */
+    protected function prepareConstants(array $constants)
+    {
+        // My kingdom for a generator.
+        $ret = array();
+
+        foreach ($constants as $name => $constant) {
+            if ($this->showItem($name)) {
+                $ret[$name] = array(
+                    'name'  => $name,
+                    'style' => self::IS_CONSTANT,
+                    'value' => $this->presentRef($constant->getValue()),
+                );
+            }
+        }
+
+        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 Constants';
+        } elseif (method_exists($reflector, 'isTrait') && $reflector->isTrait()) {
+            return 'Trait Constants';
+        } else {
+            return 'Class Constants';
+        }
+    }
+}