My first commit of codes

vendor/psy/psysh/src/Psy/TabCompletion/Matcher/AbstractContextAwareMatcher.php

@@ -0,0 +1,65 @@
+<?php
+
+/*
+ * This file is part of Psy Shell
+ *
+ * (c) 2012-2014 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\Context;
+use Psy\ContextAware;
+
+/**
+ * An abstract tab completion Matcher which implements ContextAware.
+ *
+ * The AutoCompleter service will inject a Context instance into all
+ * ContextAware Matchers.
+ *
+ * @author Marc Garcia <markcial@gmail.com>
+ */
+abstract class AbstractContextAwareMatcher extends AbstractMatcher implements ContextAware
+{
+    /**
+     * Context instance (for ContextAware interface).
+     *
+     * @var Context
+     */
+    protected $context;
+
+    /**
+     * ContextAware interface.
+     *
+     * @param Context $context
+     */
+    public function setContext(Context $context)
+    {
+        $this->context = $context;
+    }
+
+    /**
+     * Get a Context variable by name.
+     *
+     * @param $var Variable name
+     *
+     * @return mixed
+     */
+    protected function getVariable($var)
+    {
+        return $this->context->get($var);
+    }
+
+    /**
+     * Get all variables in the current Context.
+     *
+     * @return array
+     */
+    protected function getVariables()
+    {
+        return $this->context->getAll();
+    }
+}