--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/sabre/vobject/lib/Property/VCard/DateAndOrTime.php	Sat Jan 13 09:06:10 2018 -0500
@@ -0,0 +1,317 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+use
+    Sabre\VObject\DateTimeParser,
+    Sabre\VObject\Property\Text,
+    Sabre\VObject\Property,
+    DateTime;
+
+/**
+ * DateAndOrTime property
+ *
+ * This object encodes DATE-AND-OR-TIME values.
+ *
+ * @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class DateAndOrTime extends Property {
+
+    /**
+     * Field separator
+     *
+     * @var null|string
+     */
+    public $delimiter = null;
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    public function getValueType() {
+
+        return "DATE-AND-OR-TIME";
+
+    }
+
+    /**
+     * Sets a multi-valued property.
+     *
+     * You may also specify DateTime objects here.
+     *
+     * @param array $parts
+     * @return void
+     */
+    public function setParts(array $parts) {
+
+        if (count($parts)>1) {
+            throw new \InvalidArgumentException('Only one value allowed');
+        }
+        if (isset($parts[0]) && $parts[0] instanceof \DateTime) {
+            $this->setDateTime($parts[0]);
+        } else {
+            parent::setParts($parts);
+        }
+
+    }
+
+    /**
+     * Updates the current value.
+     *
+     * This may be either a single, or multiple strings in an array.
+     *
+     * Instead of strings, you may also use DateTime here.
+     *
+     * @param string|array|\DateTime $value
+     * @return void
+     */
+    public function setValue($value) {
+
+        if ($value instanceof \DateTime) {
+            $this->setDateTime($value);
+        } else {
+            parent::setValue($value);
+        }
+
+    }
+
+    /**
+     * Sets the property as a DateTime object.
+     *
+     * @param \DateTime $dt
+     * @return void
+     */
+    public function setDateTime(\DateTime $dt) {
+
+        $values = array();
+
+        $tz = null;
+        $isUtc = false;
+
+        $tz = $dt->getTimeZone();
+        $isUtc = in_array($tz->getName() , array('UTC', 'GMT', 'Z'));
+
+        if ($isUtc) {
+            $value = $dt->format('Ymd\\THis\\Z');
+        } else {
+            // Calculating the offset.
+            $value = $dt->format('Ymd\\THisO');
+        }
+
+        $this->value = $value;
+
+    }
+
+    /**
+     * Returns a date-time value.
+     *
+     * Note that if this property contained more than 1 date-time, only the
+     * first will be returned. To get an array with multiple values, call
+     * getDateTimes.
+     *
+     * If no time was specified, we will always use midnight (in the default
+     * timezone) as the time.
+     *
+     * If parts of the date were omitted, such as the year, we will grab the
+     * current values for those. So at the time of writing, if the year was
+     * omitted, we would have filled in 2014.
+     *
+     * @return \DateTime
+     */
+    public function getDateTime() {
+
+        $dts = array();
+        $now = new DateTime();
+
+        $tzFormat = $now->getTimezone()->getOffset($now)===0?'\\Z':'O';
+        $nowParts = DateTimeParser::parseVCardDateTime($now->format('Ymd\\This' . $tzFormat));
+
+        $value = $this->getValue();
+
+        $dateParts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        // This sets all the missing parts to the current date/time.
+        // So if the year was missing for a birthday, we're making it 'this
+        // year'.
+        foreach($dateParts as $k=>$v) {
+            if (is_null($v)) {
+                $dateParts[$k] = $nowParts[$k];
+            }
+        }
+        return new DateTime("$dateParts[year]-$dateParts[month]-$dateParts[date] $dateParts[hour]:$dateParts[minute]:$dateParts[second] $dateParts[timezone]");
+
+    }
+
+    /**
+     * Returns the value, in the format it should be encoded for json.
+     *
+     * This method must always return an array.
+     *
+     * @return array
+     */
+    public function getJsonValue() {
+
+        $parts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        $dateStr = '';
+
+        // Year
+        if (!is_null($parts['year'])) {
+            $dateStr.=$parts['year'];
+
+            if (!is_null($parts['month'])) {
+                // If a year and a month is set, we need to insert a separator
+                // dash.
+                $dateStr.='-';
+            }
+
+        } else {
+
+            if (!is_null($parts['month']) || !is_null($parts['date'])) {
+                // Inserting two dashes
+                $dateStr.='--';
+            }
+
+        }
+
+        // Month
+
+        if (!is_null($parts['month'])) {
+            $dateStr.=$parts['month'];
+
+            if (isset($parts['date'])) {
+                // If month and date are set, we need the separator dash.
+                $dateStr.='-';
+            }
+        } else {
+            if (isset($parts['date'])) {
+                // If the month is empty, and a date is set, we need a 'empty
+                // dash'
+                $dateStr.='-';
+            }
+        }
+
+        // Date
+        if (!is_null($parts['date'])) {
+            $dateStr.=$parts['date'];
+        }
+
+
+        // Early exit if we don't have a time string.
+        if (is_null($parts['hour']) && is_null($parts['minute']) && is_null($parts['second'])) {
+            return array($dateStr);
+        }
+
+        $dateStr.='T';
+
+        // Hour
+        if (!is_null($parts['hour'])) {
+            $dateStr.=$parts['hour'];
+
+            if (!is_null($parts['minute'])) {
+                $dateStr.=':';
+            }
+        } else {
+            // We know either minute or second _must_ be set, so we insert a
+            // dash for an empty value.
+            $dateStr.='-';
+        }
+
+        // Minute
+        if (!is_null($parts['minute'])) {
+            $dateStr.=$parts['minute'];
+
+            if (!is_null($parts['second'])) {
+                $dateStr.=':';
+            }
+        } else {
+            if (isset($parts['second'])) {
+                // Dash for empty minute
+                $dateStr.='-';
+            }
+        }
+
+        // Second
+        if (!is_null($parts['second'])) {
+            $dateStr.=$parts['second'];
+        }
+
+        // Timezone
+        if (!is_null($parts['timezone'])) {
+            $dateStr.=$parts['timezone'];
+        }
+
+        return array($dateStr);
+
+    }
+
+    /**
+     * Sets a raw value coming from a mimedir (iCalendar/vCard) file.
+     *
+     * This has been 'unfolded', so only 1 line will be passed. Unescaping is
+     * not yet done, but parameters are not included.
+     *
+     * @param string $val
+     * @return void
+     */
+    public function setRawMimeDirValue($val) {
+
+        $this->setValue($val);
+
+    }
+
+    /**
+     * Returns a raw mime-dir representation of the value.
+     *
+     * @return string
+     */
+    public function getRawMimeDirValue() {
+
+        return implode($this->delimiter, $this->getParts());
+
+    }
+
+    /**
+     * Validates the node for correctness.
+     *
+     * The following options are supported:
+     *   Node::REPAIR - May attempt to automatically repair the problem.
+     *
+     * This method returns an array with detected problems.
+     * Every element has the following properties:
+     *
+     *  * level - problem level.
+     *  * message - A human-readable string describing the issue.
+     *  * node - A reference to the problematic node.
+     *
+     * The level means:
+     *   1 - The issue was repaired (only happens if REPAIR was turned on)
+     *   2 - An inconsequential issue
+     *   3 - A severe issue.
+     *
+     * @param int $options
+     * @return array
+     */
+    public function validate($options = 0) {
+
+        $messages = parent::validate($options);
+        $value = $this->getValue();
+        try {
+            DateTimeParser::parseVCardDateTime($value);
+        } catch (\InvalidArgumentException $e) {
+            $messages[] = array(
+                'level' => 3,
+                'message' => 'The supplied value (' . $value . ') is not a correct DATE-AND-OR-TIME property',
+                'node' => $this,
+            );
+        }
+        return $messages;
+
+    }
+}