comparison vendor/psy/psysh/src/TabCompletion/Matcher/VariablesMatcher.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;
+
+/**
+ * A variable name tab completion Matcher.
+ *
+ * This matcher provides completion for variable names in the current Context.
+ *
+ * @author Marc Garcia <[e-mail]>
+ */
+class VariablesMatcher extends AbstractContextAwareMatcher
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getMatches(array $tokens, array $info = [])
+    {
+        $var = str_replace('$', '', $this->getInput($tokens));
+
+        return array_filter(array_keys($this->getVariables()), function ($variable) use ($var) {
+            return AbstractMatcher::startsWith($var, $variable);
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasMatched(array $tokens)
+    {
+        $token = array_pop($tokens);
+
+        switch (true) {
+            case self::hasToken([self::T_OPEN_TAG, self::T_VARIABLE], $token):
+            case is_string($token) && $token === '$':
+            case self::isOperator($token):
+                return true;
+        }
+
+        return false;
+    }
+}