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<?php
/**
* iCalcreator, a PHP rfc2445/rfc5545 solution.
*
* This file is a part of iCalcreator.
*
* Copyright (c) 2007-2017 Kjell-Inge Gustafsson, kigkonsult, All rights reserved
* Link http://kigkonsult.se/iCalcreator/index.php
* Package iCalcreator
* Version 2.24
* License Subject matter of licence is the software iCalcreator.
* The above copyright, link, package and version notices,
* this licence notice and the [rfc5545] PRODID as implemented and
* invoked in iCalcreator shall be included in all copies or
* substantial portions of the iCalcreator.
* iCalcreator can be used either under the terms of
* a proprietary license, available at <https://kigkonsult.se/>
* or the GNU Affero General Public License, version 3:
* iCalcreator 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.
* iCalcreator 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 kigkonsult\iCalcreator\traits;
use kigkonsult\iCalcreator\util\util;
/**
* PRODID property functions
*
* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
* @since 2.22.23 - 2017-03-15
*/
trait PRODIDtrait {
/**
* @var string calendar property PRODID
* @access protected
*/
protected $prodid = null;
/**
* Return formatted output for calendar property prodid
*
* @return string
*/
public function createProdid() {
if( ! isset( $this->prodid ))
$this->makeProdid();
return util::createElement( util::$PRODID,
null,
$this->prodid );
}
/**
* Create default value for calendar prodid,
* Do NOT alter or remove this method or the invoke of this method,
* a licence violation.
*
* [rfc5545]
* "Conformance: The property MUST be specified once in an iCalendar object.
* Description: The vendor of the implementation SHOULD assure that this
* is a globally unique identifier; using some technique such as an FPI
* value, as defined in [ISO 9070]."
*
* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
* @since 2.22.20 - 2017-01-29
*/
public function makeProdid() {
static $FMT = '-//%s//NONSGML kigkonsult.se %s//%s';
if( false !== ( $lang = $this->getConfig( util::$LANGUAGE )))
$lang = strtoupper( $lang );
else
$lang = null;
$this->prodid = sprintf( $FMT, $this->getConfig( util::$UNIQUE_ID ),
ICALCREATOR_VERSION,
$lang );
}
}
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