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/Property/Href.php | 176 +++++++++++++++++++++++++
 1 file changed, 176 insertions(+)
 create mode 100644 vendor/sabre/dav/lib/DAV/Xml/Property/Href.php

(limited to 'vendor/sabre/dav/lib/DAV/Xml/Property/Href.php')

diff --git a/vendor/sabre/dav/lib/DAV/Xml/Property/Href.php b/vendor/sabre/dav/lib/DAV/Xml/Property/Href.php
new file mode 100644
index 000000000..538e98d0f
--- /dev/null
+++ b/vendor/sabre/dav/lib/DAV/Xml/Property/Href.php
@@ -0,0 +1,176 @@
+<?php
+
+namespace Sabre\DAV\Xml\Property;
+
+use Sabre\DAV\Browser\HtmlOutput;
+use Sabre\DAV\Browser\HtmlOutputHelper;
+use Sabre\Xml\Element;
+use Sabre\Xml\Reader;
+use Sabre\Xml\Writer;
+
+/**
+ * Href property
+ *
+ * This class represents any WebDAV property that contains a {DAV:}href
+ * element, and there are many.
+ *
+ * It can support either 1 or more hrefs. If while unserializing no valid
+ * {DAV:}href elements were found, this property will unserialize itself as
+ * null.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://www.rooftopsolutions.nl/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class Href implements Element, HtmlOutput {
+
+    /**
+     * List of uris
+     *
+     * @var array
+     */
+    protected $hrefs;
+
+    /**
+     * Automatically prefix the url with the server base directory
+     *
+     * @var bool
+     */
+    protected $autoPrefix = true;
+
+    /**
+     * Constructor
+     *
+     * You must either pass a string for a single href, or an array of hrefs.
+     *
+     * If auto-prefix is set to false, the hrefs will be treated as absolute
+     * and not relative to the servers base uri.
+     *
+     * @param string|string[] $href
+     * @param bool $autoPrefix
+     */
+    function __construct($hrefs, $autoPrefix = true) {
+
+        if (is_string($hrefs)) {
+            $hrefs = [$hrefs];
+        }
+        $this->hrefs = $hrefs;
+        $this->autoPrefix = $autoPrefix;
+
+
+    }
+
+    /**
+     * Returns the first Href.
+     *
+     * @return string
+     */
+    function getHref() {
+
+        return $this->hrefs[0];
+
+    }
+
+    /**
+     * Returns the hrefs as an array
+     *
+     * @return array
+     */
+    function getHrefs() {
+
+        return $this->hrefs;
+
+    }
+
+    /**
+     * The xmlSerialize metod is called during xml writing.
+     *
+     * Use the $writer argument to write its own xml serialization.
+     *
+     * An important note: do _not_ create a parent element. Any element
+     * implementing XmlSerializble should only ever write what's considered
+     * its 'inner xml'.
+     *
+     * The parent of the current element is responsible for writing a
+     * containing element.
+     *
+     * This allows serializers to be re-used for different element names.
+     *
+     * If you are opening new elements, you must also close them again.
+     *
+     * @param Writer $writer
+     * @return void
+     */
+    function xmlSerialize(Writer $writer) {
+
+        foreach ($this->getHrefs() as $href) {
+            if ($this->autoPrefix) {
+                $href = $writer->contextUri . \Sabre\HTTP\encodePath($href);
+            }
+            $writer->writeElement('{DAV:}href', $href);
+        }
+
+    }
+
+    /**
+     * Generate html representation for this value.
+     *
+     * The html output is 100% trusted, and no effort is being made to sanitize
+     * it. It's up to the implementor to sanitize user provided values.
+     *
+     * The output must be in UTF-8.
+     *
+     * The baseUri parameter is a url to the root of the application, and can
+     * be used to construct local links.
+     *
+     * @param HtmlOutputHelper $html
+     * @return string
+     */
+    function toHtml(HtmlOutputHelper $html) {
+
+        $links = [];
+        foreach ($this->getHrefs() as $href) {
+            $links[] = $html->link($href);
+        }
+        return implode('<br />', $links);
+
+    }
+
+    /**
+     * 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) {
+
+        $hrefs = [];
+        foreach ((array)$reader->parseInnerTree() as $elem) {
+            if ($elem['name'] !== '{DAV:}href')
+                continue;
+
+            $hrefs[] = $elem['value'];
+
+        }
+        if ($hrefs) {
+            return new self($hrefs, false);
+        }
+
+    }
+
+}
-- 
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