import-facebook-events / includes / lib / icalcreator / src / Vtimezone.php

Vtimezone.php in Import Social Events 1.9.0, at includes/lib/icalcreator/src/Vtimezone.php

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1	<?php
2	/**
3	* iCalcreator, the PHP class package managing iCal (rfc2445/rfc5445) calendar information.
4	*
5	* copyright (c) 2007-2021 Kjell-Inge Gustafsson, kigkonsult, All rights reserved
6	* Link https://kigkonsult.se
7	* Package iCalcreator
8	* Version 2.30
9	* License Subject matter of licence is the software iCalcreator.
10	* The above copyright, link, package and version notices,
11	* this licence notice and the invariant [rfc5545] PRODID result use
12	* as implemented and invoked in iCalcreator shall be included in
13	* all copies or substantial portions of the iCalcreator.
14	*
15	* iCalcreator is free software: you can redistribute it and/or modify
16	* it under the terms of the GNU Lesser General Public License as published
17	* by the Free Software Foundation, either version 3 of the License,
18	* or (at your option) any later version.
19	*
20	* iCalcreator is distributed in the hope that it will be useful,
21	* but WITHOUT ANY WARRANTY; without even the implied warranty of
22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23	* GNU Lesser General Public License for more details.
24	*
25	* You should have received a copy of the GNU Lesser General Public License
26	* along with iCalcreator. If not, see <https://www.gnu.org/licenses/>.
27	*
28	* This file is a part of iCalcreator.
29	*/
30
31	namespace Kigkonsult\Icalcreator;
32
33	use Exception;
34
35	use function array_keys;
36	use function sprintf;
37	use function strtoupper;
38
39	/**
40	* iCalcreator VTIMEZONE component class
41	*
42	* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
43	* @since 2.29.9 2019-08-05
44	*/
45	final class Vtimezone extends CalendarComponent
46	{
47	use Traits\COMMENTtrait,
48	Traits\DTSTARTtrait,
49	Traits\LAST_MODIFIEDtrait,
50	Traits\RDATEtrait,
51	Traits\RRULEtrait,
52	Traits\TZIDtrait,
53	Traits\TZNAMEtrait,
54	Traits\TZOFFSETFROMtrait,
55	Traits\TZOFFSETTOtrait,
56	Traits\TZURLtrait;
57
58	/**
59	* @var string
60	*/
61	protected static $compSgn = 'tz';
62
63	/**
64	* Destructor
65	*
66	* @since 2.26 - 2018-11-10
67	*/
68	public function __destruct()
69	{
70	if( ! empty( $this->components )) {
71	foreach( $this->components as $cix => $component ) {
72	$this->components[$cix]->__destruct();
73	}
74	}
75	unset(
76	$this->compType,
77	$this->xprop,
78	$this->components,
79	$this->unparsed,
80	$this->config,
81	$this->propIx,
82	$this->compix,
83	$this->propDelIx
84	);
85	unset(
86	$this->cno,
87	$this->srtk
88	);
89	unset(
90	$this->comment,
91	$this->dtstart,
92	$this->lastmodified,
93	$this->rdate,
94	$this->rrule,
95	$this->tzid,
96	$this->tzname,
97	$this->tzoffsetfrom,
98	$this->tzoffsetto,
99	$this->tzurl,
100	$this->timezonetype
101	);
102	}
103
104	/**
105	* Return formatted output for calendar component VTIMEZONE object instance
106	*
107	* @return string
108	* @throws Exception (on Rdate err)
109	* @since 2.29.9 2019-08-05
110	*/
111	public function createComponent()
112	{
113	$compType = strtoupper( $this->getCompType());
114	$component = sprintf( self::$FMTBEGIN, $compType );
115	$component .= $this->createTzid();
116	$component .= $this->createLastmodified();
117	$component .= $this->createTzurl();
118	$component .= $this->createDtstart();
119	$component .= $this->createTzoffsetfrom();
120	$component .= $this->createTzoffsetto();
121	$component .= $this->createComment();
122	$component .= $this->createRdate();
123	$component .= $this->createRrule();
124	$component .= $this->createTzname();
125	$component .= $this->createXprop();
126	$component .= $this->createSubComponent();
127	return $component . sprintf( self::$FMTEND, $compType );
128	}
129
130	/**
131	* Return formatted output for subcomponents
132	*
133	* @return string
134	* @since 2.27.2 - 2018-12-21
135	* @throws Exception (on Valarm/Standard/Daylight) err)
136	*/
137	public function createSubComponent()
138	{
139	if( self::VTIMEZONE == $this->getCompType()) {
140	$this->sortVtimezonesSubComponents();
141	}
142	return parent::createSubComponent();
143	}
144
145	/**
146	* Sort Vtimezones subComponents
147	*
148	* sort : standard, daylight, in dtstart order
149	* @since 2.29.1 - 2019-06-28
150	*/
151	private function sortVtimezonesSubComponents()
152	{
153	if( empty( $this->components )) {
154	return;
155	}
156	$stdArr = $dlArr = [];
157	foreach( array_keys( $this->components ) as $cix ) {
158	if( empty( $this->components[$cix] )) {
159	continue;
160	}
161	$key = $this->components[$cix]->getDtstart();
162	if( empty( $key )) {
163	$key = $cix * 10;
164	}
165	else {
166	$key = $key->getTimestamp();
167	}
168	if( self::STANDARD == $this->components[$cix]->getCompType()) {
169	while( isset( $stdArr[$key] )) {
170	$key += 1;
171	}
172	$stdArr[$key] = $this->components[$cix];
173	}
174	elseif( self::DAYLIGHT == $this->components[$cix]->getCompType()) {
175	while( isset( $dlArr[$key] )) {
176	$key += 1;
177	}
178	$dlArr[$key] = $this->components[$cix];
179	}
180	} // end foreach
181	$this->components = [];
182	ksort( $stdArr, SORT_NUMERIC );
183	foreach( $stdArr as $std ) {
184	$this->components[] = $std;
185	}
186	unset( $stdArr );
187	ksort( $dlArr, SORT_NUMERIC );
188	foreach( $dlArr as $dl ) {
189	$this->components[] = $dl;
190	}
191	unset( $dlArr );
192	}
193
194	/**
195	* Return timezone standard object instance
196	*
197	* @return Standard
198	* @since 2.27.2 - 2018-12-21
199	*/
200	public function newStandard()
201	{
202	array_unshift( $this->components, new Standard( $this->getConfig()));
203	return $this->components[0];
204	}
205
206	/**
207	* Return timezone daylight object instance
208	*
209	* @return Daylight
210	* @since 2.27.2 - 2018-12-21
211	*/
212	public function newDaylight()
213	{
214	$ix = ( empty( $this->components ))
215	? 0
216	: key( array_slice( $this->components, -1, 1, true )) + 1;
217	$this->components[$ix] = new Daylight( $this->getConfig());
218	return $this->components[$ix];
219	}
220	}
221