From 0b02a6d123b2014705998c94ddf3d460948d3eac Mon Sep 17 00:00:00 2001
From: redmatrix <git@macgirvin.com>
Date: Tue, 10 May 2016 17:26:44 -0700
Subject: initial sabre upgrade (needs lots of work - to wit: authentication,
 redo the browser interface, and rework event export/import)

---
 vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php | 116 ++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php

(limited to 'vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php')

diff --git a/vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php b/vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php
new file mode 100644
index 000000000..db5332c50
--- /dev/null
+++ b/vendor/sabre/dav/lib/DAV/Xml/Element/Prop.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Sabre\DAV\Xml\Element;
+
+use Sabre\DAV\Xml\Property\Complex;
+use Sabre\Xml\XmlDeserializable;
+use Sabre\Xml\Reader;
+
+/**
+ * This class is responsible for decoding the {DAV:}prop element as it appears
+ * in {DAV:}property-update.
+ *
+ * This class doesn't return an instance of itself. It just returns a
+ * key->value array.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Prop implements XmlDeserializable {
+
+    /**
+     * The deserialize method is called during xml parsing.
+     *
+     * This method is called statictly, this is because in theory this method
+     * may be used as a type of constructor, or factory method.
+     *
+     * Often you want to return an instance of the current class, but you are
+     * free to return other data as well.
+     *
+     * You are responsible for advancing the reader to the next element. Not
+     * doing anything will result in a never-ending loop.
+     *
+     * If you just want to skip parsing for this element altogether, you can
+     * just call $reader->next();
+     *
+     * $reader->parseInnerTree() will parse the entire sub-tree, and advance to
+     * the next element.
+     *
+     * @param Reader $reader
+     * @return mixed
+     */
+    static function xmlDeserialize(Reader $reader) {
+
+        // If there's no children, we don't do anything.
+        if ($reader->isEmptyElement) {
+            $reader->next();
+            return [];
+        }
+
+        $values = [];
+
+        $reader->read();
+        do {
+
+            if ($reader->nodeType === Reader::ELEMENT) {
+
+                $clark = $reader->getClark();
+                $values[$clark] = self::parseCurrentElement($reader)['value'];
+
+            } else {
+                $reader->read();
+            }
+
+        } while ($reader->nodeType !== Reader::END_ELEMENT);
+
+        $reader->read();
+
+        return $values;
+
+    }
+
+    /**
+     * This function behaves similar to Sabre\Xml\Reader::parseCurrentElement,
+     * but instead of creating deep xml array structures, it will turn any
+     * top-level element it doesn't recognize into either a string, or an
+     * XmlFragment class.
+     *
+     * This method returns arn array with 2 properties:
+     *   * name - A clark-notation XML element name.
+     *   * value - The parsed value.
+     *
+     * @param Reader $reader
+     * @return array
+     */
+    private static function parseCurrentElement(Reader $reader) {
+
+        $name = $reader->getClark();
+
+        if (array_key_exists($name, $reader->elementMap)) {
+            $deserializer = $reader->elementMap[$name];
+            if (is_subclass_of($deserializer, 'Sabre\\Xml\\XmlDeserializable')) {
+                $value = call_user_func([ $deserializer, 'xmlDeserialize' ], $reader);
+            } elseif (is_callable($deserializer)) {
+                $value = call_user_func($deserializer, $reader);
+            } else {
+                $type = gettype($deserializer);
+                if ($type === 'string') {
+                    $type .= ' (' . $deserializer . ')';
+                } elseif ($type === 'object') {
+                    $type .= ' (' . get_class($deserializer) . ')';
+                }
+                throw new \LogicException('Could not use this type as a deserializer: ' . $type);
+            }
+        } else {
+            $value = Complex::xmlDeserialize($reader);
+        }
+
+        return [
+            'name'  => $name,
+            'value' => $value,
+        ];
+
+    }
+
+}
-- 
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