Version 1

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

diff --git a/vendor/psy/psysh/src/Psy/Command/ListCommand/ConstantEnumerator.php b/vendor/psy/psysh/src/Psy/Command/ListCommand/ConstantEnumerator.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 Symfony\Component\Console\Input\InputInterface;
+
+/**
+ * Constant Enumerator class.
+ */
+class ConstantEnumerator extends Enumerator
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function listItems(InputInterface $input, \Reflector $reflector = null, $target = null)
+    {
+        // only list constants when no Reflector is present.
+        //
+        // TODO: make a NamespaceReflector and pass that in for commands like:
+        //
+        //     ls --constants Foo
+        //
+        // ... for listing constants in the Foo namespace
+        if ($reflector !== null || $target !== null) {
+            return;
+        }
+
+        // only list constants if we are specifically asked
+        if (!$input->getOption('constants')) {
+            return;
+        }
+
+        $category  = $input->getOption('user') ? 'user' : $input->getOption('category');
+        $label     = $category ? ucfirst($category) . ' Constants' : 'Constants';
+        $constants = $this->prepareConstants($this->getConstants($category));
+
+        if (empty($constants)) {
+            return;
+        }
+
+        $ret = array();
+        $ret[$label] = $constants;
+
+        return $ret;
+    }
+
+    /**
+     * Get defined constants.
+     *
+     * Optionally restrict constants to a given category, e.g. "date".
+     *
+     * @param string $category
+     *
+     * @return array
+     */
+    protected function getConstants($category = null)
+    {
+        if (!$category) {
+            return get_defined_constants();
+        }
+
+        $consts = get_defined_constants(true);
+
+        return isset($consts[$category]) ? $consts[$category] : array();
+    }
+
+    /**
+     * Prepare formatted constant array.
+     *
+     * @param array $constants
+     *
+     * @return array
+     */
+    protected function prepareConstants(array $constants)
+    {
+        // My kingdom for a generator.
+        $ret = array();
+
+        $names = array_keys($constants);
+        natcasesort($names);
+
+        foreach ($names as $name) {
+            if ($this->showItem($name)) {
+                $ret[$name] = array(
+                    'name'  => $name,
+                    'style' => self::IS_CONSTANT,
+                    'value' => $this->presentRef($constants[$name]),
+                );
+            }
+        }
+
+        return $ret;
+    }
+}