comparison vendor/psy/psysh/src/TabCompletion/Matcher/CommandsMatcher.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 Psy\Command\Command;
+
+/**
+ * A Psy Command tab completion Matcher.
+ *
+ * This matcher provides completion for all registered Psy Command names and
+ * aliases.
+ *
+ * @author Marc Garcia <[e-mail]>
+ */
+class CommandsMatcher extends AbstractMatcher
+{
+    /** @var string[] */
+    protected $commands = [];
+
+    /**
+     * CommandsMatcher constructor.
+     *
+     * @param Command[] $commands
+     */
+    public function __construct(array $commands)
+    {
+        $this->setCommands($commands);
+    }
+
+    /**
+     * Set Commands for completion.
+     *
+     * @param Command[] $commands
+     */
+    public function setCommands(array $commands)
+    {
+        $names = [];
+        foreach ($commands as $command) {
+            $names = array_merge([$command->getName()], $names);
+            $names = array_merge($command->getAliases(), $names);
+        }
+        $this->commands = $names;
+    }
+
+    /**
+     * Check whether a command $name is defined.
+     *
+     * @param string $name
+     *
+     * @return bool
+     */
+    protected function isCommand($name)
+    {
+        return in_array($name, $this->commands);
+    }
+
+    /**
+     * Check whether input matches a defined command.
+     *
+     * @param string $name
+     *
+     * @return bool
+     */
+    protected function matchCommand($name)
+    {
+        foreach ($this->commands as $cmd) {
+            if ($this->startsWith($name, $cmd)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMatches(array $tokens, array $info = [])
+    {
+        $input = $this->getInput($tokens);
+
+        return array_filter($this->commands, function ($command) use ($input) {
+            return AbstractMatcher::startsWith($input, $command);
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasMatched(array $tokens)
+    {
+        /* $openTag */ array_shift($tokens);
+        $command = array_shift($tokens);
+
+        switch (true) {
+            case self::tokenIs($command, self::T_STRING) &&
+                !$this->isCommand($command[1]) &&
+                $this->matchCommand($command[1]) &&
+                empty($tokens):
+                return true;
+        }
+
+        return false;
+    }
+}