Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/lib/theme/file/twig.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * Handle finding and parsing a twig template.
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ * @instantiator new
+ * @package    AI1EC
+ * @subpackage AI1EC.Theme.File
+ */
+class Ai1ec_File_Twig extends Ai1ec_File_Abstract {
+
+    /**
+     * @var Twig_Environment Twig environment for this helper.
+     */
+    protected $_twig;
+
+    /**
+     * @var array
+     */
+    protected $_args;
+
+    /**
+     * @param string $name The name of the template.
+     * @param array $args The arguments needed to render the template.
+     * @param Twig_Environment $twig An instance of the Twig environment
+     */
+    public function __construct( $name, array $args, $twig ) {
+        $this->_args = $args;
+        $this->_name = $name;
+        $this->_twig = $twig;
+    }
+
+    /**
+     * Adds the given search path to the end of the list (low priority).
+     *
+     * @param string $search_path Path to add to end of list
+     */
+    public function appendPath( $search_path ) {
+        $loader = $this->_twig->getLoader();
+        $loader->addPath( $search_path );
+    }
+
+    /**
+     * Adds the given search path to the front of the list (high priority).
+     *
+     * @param string $search_path Path to add to front of list
+     */
+    public function prepend_path( $search_path ) {
+        $loader = $this->_twig->getLoader();
+        $loader->prependPath( $search_path );
+    }
+
+    /* (non-PHPdoc)
+     * @see Ai1ec_File::locate_file()
+     */
+    public function process_file() {
+        $loader = $this->_twig->getLoader();
+        if ( $loader->exists( $this->_name ) ) {
+
+            $this->_content = $this->_twig->render( $this->_name, $this->_args );
+
+            return true;
+        }
+        return false;
+    }
+
+}