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<?php
/**
* Utility class providing functions for VObject data encoding
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2013, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Kolab\Utils;
use Sabre\VObject\Property;
/**
* Helper class proviting utility functions for VObject data encoding
*/
class VObjectUtils
{
/**
* Convert an object URI into a valid UID value
*/
public static function uri2uid($uri, $suffix = '')
{
$base = basename($uri, $suffix);
$uid = strtr($base, array('%2F' => '/'));
// assume full URL encoding
if (preg_match('/%[A-F0-9]{2}/', $uid)) {
return urldecode($base);
}
return $uid;
}
/**
* Encode an object UID into a valid URI
*/
public static function uid2uri($uid, $suffix = '')
{
$encode = strpos($uid, '/') !== false;
return ($encode ? urlencode($uid) : $uid) . $suffix;
}
/**
* Create a Sabre\VObject\Property instance from a PHP DateTime object
*
* @param string Property name
* @param object DateTime
*/
public static function datetime_prop($root, $name, $dt, $utc = false)
{
if ($utc) {
$dt->setTimeZone(new \DateTimeZone('UTC'));
}
$vdt = $root->createProperty($name, null, null, $dt->_dateonly ? 'DATE' : 'DATE-TIME');
$value = $dt;
if ($dt->_dateonly) {
// $vdt['VALUE'] = 'DATE';
// set date value as string as a temporary fix for
// https://github.com/fruux/sabre-vobject/issues/217
$value = $dt->format('Y-m-d');
}
$vdt->setValue($value);
return $vdt;
}
/**
* Copy values from one hash array to another using a key-map
*/
public static function map_keys($values, $map)
{
$out = array();
foreach ($map as $from => $to) {
if (isset($values[$from]))
$out[$to] = $values[$from];
}
return $out;
}
}
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