diff vendor/psy/psysh/src/TabCompletion/Matcher/ClassNamesMatcher.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.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/psy/psysh/src/TabCompletion/Matcher/ClassNamesMatcher.php	Mon Apr 23 09:33:26 2018 +0100
@@ -0,0 +1,77 @@
+<?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 class name tab completion Matcher.
+ *
+ * This matcher provides completion for all declared classes.
+ *
+ * @author Marc Garcia <[e-mail]>
+ */
+class ClassNamesMatcher extends AbstractMatcher
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getMatches(array $tokens, array $info = [])
+    {
+        $class = $this->getNamespaceAndClass($tokens);
+        if (strlen($class) > 0 && $class[0] === '\\') {
+            $class = substr($class, 1, strlen($class));
+        }
+        $quotedClass = preg_quote($class);
+
+        return array_map(
+            function ($className) use ($class) {
+                // get the number of namespace separators
+                $nsPos = substr_count($class, '\\');
+                $pieces = explode('\\', $className);
+                //$methods = Mirror::get($class);
+                return implode('\\', array_slice($pieces, $nsPos, count($pieces)));
+            },
+            array_filter(
+                get_declared_classes(),
+                function ($className) use ($quotedClass) {
+                    return AbstractMatcher::startsWith($quotedClass, $className);
+                }
+            )
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasMatched(array $tokens)
+    {
+        $token     = array_pop($tokens);
+        $prevToken = array_pop($tokens);
+
+        $blacklistedTokens = [
+            self::T_INCLUDE, self::T_INCLUDE_ONCE, self::T_REQUIRE, self::T_REQUIRE_ONCE,
+        ];
+
+        switch (true) {
+            case self::hasToken([$blacklistedTokens], $token):
+            case self::hasToken([$blacklistedTokens], $prevToken):
+            case is_string($token) && $token === '$':
+                return false;
+            case self::hasToken([self::T_NEW, self::T_OPEN_TAG, self::T_NS_SEPARATOR], $prevToken):
+            case self::hasToken([self::T_NEW, self::T_OPEN_TAG, self::T_NS_SEPARATOR], $token):
+            case self::hasToken([self::T_OPEN_TAG, self::T_VARIABLE], $token):
+            case self::isOperator($token):
+                return true;
+        }
+
+        return false;
+    }
+}