1 files changed, 149 insertions, 0 deletions
diff --git a/3rdparty/Sabre/VObject/Node.php b/3rdparty/Sabre/VObject/Node.php
new file mode 100755
index 00000000000..d89e01b56c6
--- /dev/null
+++ b/3rdparty/Sabre/VObject/Node.php
@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * Base class for all nodes
+ *
+ * @package Sabre
+ * @subpackage VObject
+ * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+abstract class Sabre_VObject_Node implements IteratorAggregate, ArrayAccess, Countable {
+
+    /**
+     * Turns the object back into a serialized blob.
+     *
+     * @return string
+     */
+    abstract function serialize();
+
+    /**
+     * Iterator override
+     *
+     * @var Sabre_VObject_ElementList
+     */
+    protected $iterator = null;
+
+    /**
+     * A link to the parent node
+     *
+     * @var Sabre_VObject_Node
+     */
+    public $parent = null;
+
+    /* {{{ IteratorAggregator interface */
+
+    /**
+     * Returns the iterator for this object
+     *
+     * @return Sabre_VObject_ElementList
+     */
+    public function getIterator() {
+
+        if (!is_null($this->iterator))
+            return $this->iterator;
+
+        return new Sabre_VObject_ElementList(array($this));
+
+    }
+
+    /**
+     * Sets the overridden iterator
+     *
+     * Note that this is not actually part of the iterator interface
+     *
+     * @param Sabre_VObject_ElementList $iterator
+     * @return void
+     */
+    public function setIterator(Sabre_VObject_ElementList $iterator) {
+
+        $this->iterator = $iterator;
+
+    }
+
+    /* }}} */
+
+    /* {{{ Countable interface */
+
+    /**
+     * Returns the number of elements
+     *
+     * @return int
+     */
+    public function count() {
+
+        $it = $this->getIterator();
+        return $it->count();
+
+    }
+
+    /* }}} */
+
+    /* {{{ ArrayAccess Interface */
+
+
+    /**
+     * Checks if an item exists through ArrayAccess.
+     *
+     * This method just forwards the request to the inner iterator
+     *
+     * @param int $offset
+     * @return bool
+     */
+    public function offsetExists($offset) {
+
+        $iterator = $this->getIterator();
+        return $iterator->offsetExists($offset);
+
+    }
+
+    /**
+     * Gets an item through ArrayAccess.
+     *
+     * This method just forwards the request to the inner iterator
+     *
+     * @param int $offset
+     * @return mixed
+     */
+    public function offsetGet($offset) {
+
+        $iterator = $this->getIterator();
+        return $iterator->offsetGet($offset);
+
+    }
+
+    /**
+     * Sets an item through ArrayAccess.
+     *
+     * This method just forwards the request to the inner iterator
+     *
+     * @param int $offset
+     * @param mixed $value
+     * @return void
+     */
+    public function offsetSet($offset,$value) {
+
+        $iterator = $this->getIterator();
+        return $iterator->offsetSet($offset,$value);
+
+    }
+
+    /**
+     * Sets an item through ArrayAccess.
+     *
+     * This method just forwards the request to the inner iterator
+     *
+     * @param int $offset
+     * @return void
+     */
+    public function offsetUnset($offset) {
+
+        $iterator = $this->getIterator();
+        return $iterator->offsetUnset($offset);
+
+    }
+
+    /* }}} */
+
+}