From 50569114acdc64e7c7cae1498635d3f821517c30 Mon Sep 17 00:00:00 2001
From: Daniel Lange <DLange@git.local>
Date: Mon, 7 Mar 2016 15:53:16 +0100
Subject: Initial commit of the Faster IT roundcube_calendar plugin
 distribution This includes:  * Kolab plugins 3.2.9 (calendar and
 libcalendaring)  * CalDAV driver 3.2.8  * .htaccess files for at least some
 security  * SabreDAV updated to 1.8.12 (Jan 2015 release)  * Support for
 CURLOPT_SSL_* settings to allow self-signed certificates  * Small fixes &
 improved documentation

---
 .../vobject/lib/Sabre/VObject/StringUtil.php       | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 calendar/lib/SabreDAV/vendor/oldsabre/vobject/lib/Sabre/VObject/StringUtil.php

(limited to 'calendar/lib/SabreDAV/vendor/oldsabre/vobject/lib/Sabre/VObject/StringUtil.php')

diff --git a/calendar/lib/SabreDAV/vendor/oldsabre/vobject/lib/Sabre/VObject/StringUtil.php b/calendar/lib/SabreDAV/vendor/oldsabre/vobject/lib/Sabre/VObject/StringUtil.php
new file mode 100644
index 0000000..1218792
--- /dev/null
+++ b/calendar/lib/SabreDAV/vendor/oldsabre/vobject/lib/Sabre/VObject/StringUtil.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace OldSabre\VObject;
+
+/**
+ * Useful utilities for working with various strings.
+ *
+ * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class StringUtil {
+
+    /**
+     * Returns true or false depending on if a string is valid UTF-8
+     *
+     * @param string $str
+     * @return bool
+     */
+    static function isUTF8($str) {
+
+        // First check.. mb_check_encoding
+        if (!mb_check_encoding($str, 'UTF-8')) {
+            return false;
+        }
+
+        // Control characters
+        if (preg_match('%(?:[\x00-\x08\x0B-\x0C\x0E\x0F])%', $str)) {
+            return false;
+        }
+
+        return true;
+
+    }
+
+    /**
+     * This method tries its best to convert the input string to UTF-8.
+     *
+     * Currently only ISO-5991-1 input and UTF-8 input is supported, but this
+     * may be expanded upon if we receive other examples.
+     *
+     * @param string $str
+     * @return string
+     */
+    static function convertToUTF8($str) {
+
+        $encoding = mb_detect_encoding($str , array('UTF-8','ISO-8859-1'), true);
+
+        if ($encoding === 'ISO-8859-1') {
+            $newStr = utf8_encode($str);
+        } else {
+            $newStr = $str;
+        }
+
+        // Removing any control characters
+        return (preg_replace('%(?:[\x00-\x08\x0B-\x0C\x0E\x0F])%', '', $newStr));
+
+    }
+
+}
+
-- 
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