comparison vendor/psy/psysh/src/TabCompletion/Matcher/ObjectAttributesMatcher.php @ 13:5fb285c0d0e3

Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.

+<?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\TabCompletion\Matcher;
+
+use InvalidArgumentException;
+
+/**
+ * An object attribute tab completion Matcher.
+ *
+ * This matcher provides completion for properties of objects in the current
+ * Context.
+ *
+ * @author Marc Garcia <[e-mail]>
+ */
+class ObjectAttributesMatcher extends AbstractContextAwareMatcher
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getMatches(array $tokens, array $info = [])
+    {
+        $input = $this->getInput($tokens);
+
+        $firstToken = array_pop($tokens);
+        if (self::tokenIs($firstToken, self::T_STRING)) {
+            // second token is the object operator
+            array_pop($tokens);
+        }
+        $objectToken = array_pop($tokens);
+        if (!is_array($objectToken)) {
+            return [];
+        }
+        $objectName = str_replace('$', '', $objectToken[1]);
+
+        try {
+            $object = $this->getVariable($objectName);
+        } catch (InvalidArgumentException $e) {
+            return [];
+        }
+
+        if (!is_object($object)) {
+            return [];
+        }
+
+        return array_filter(
+            array_keys(get_class_vars(get_class($object))),
+            function ($var) use ($input) {
+                return AbstractMatcher::startsWith($input, $var);
+            }
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasMatched(array $tokens)
+    {
+        $token     = array_pop($tokens);
+        $prevToken = array_pop($tokens);
+
+        switch (true) {
+            case self::tokenIs($token, self::T_OBJECT_OPERATOR):
+            case self::tokenIs($prevToken, self::T_OBJECT_OPERATOR):
+                return true;
+        }
+
+        return false;
+    }
+}