vtenext/modules/Calendar/iCal/ical-parser-class.php
2021-04-28 20:10:26 +02:00

105 lines
3.7 KiB
PHP

<?php
/*************************************
* SPDX-FileCopyrightText: 2009-2020 Vtenext S.r.l. <info@vtenext.com>
* SPDX-License-Identifier: AGPL-3.0-only
************************************/
class iCal {
var $folders;
function __construct() {
$this->folders = 'cache/import/';
}
function iCalReader($filename,$root_directory='') {
$iCaltoArray = $this->iCalDecoder($filename,$root_directory);
return $iCaltoArray;
}
function iCalDecoder($file,$root_directory) {
$ical = file_get_contents($root_directory.$this->folders.$file);
preg_match_all('/BEGIN:VEVENT.*?END:VEVENT/si', $ical, $eventresult, PREG_PATTERN_ORDER);
preg_match_all('/BEGIN:VTODO.*?END:VTODO/si', $ical, $todoresult, PREG_PATTERN_ORDER);
for ($i = 0; $i < count($eventresult[0]); $i++) {
$tmpbyline = explode("\r\n", $eventresult[0][$i]);
$begin = false;
$key=NULL;
foreach ($tmpbyline as $item) {
$tmpholderarray = explode(":",$item,2);
if (count($tmpholderarray) >1) {
if($tmpholderarray[0]=='BEGIN'){
if($begin==false){
$begin = true;
$majorarray['TYPE']=$tmpholderarray[1];
} else {
$majorarray[$tmpholderarray[1]]=array();
$key = $tmpholderarray[1];
}
} else if($tmpholderarray[0]=='END'){
if(!empty($key)){
$key = NULL;
}
} else {
if(!empty($key)){
$majorarray[$key][$tmpholderarray[0]] = $tmpholderarray[1];
} else {
$majorarray[$tmpholderarray[0]] = $tmpholderarray[1];
}
}
}
}
//crmv@32278
if (preg_match('/DESCRIPTION:(.*?)^[A-Z]+:/sim', $eventresult[0][$i], $regs)) {
$majorarray['DESCRIPTION'] = str_replace(" ", " ", str_replace("\r\n", "", $regs[1]));
}
//crmv@32278e
$icalarray[] = $majorarray;
unset($majorarray);
}
for ($i = 0; $i < count($todoresult[0]); $i++) {
$tmpbyline = explode("\r\n", $todoresult[0][$i]);
$begin = false;
$key=NULL;
foreach ($tmpbyline as $item) {
$tmpholderarray = explode(":",$item);
if (count($tmpholderarray) >1) {
if($tmpholderarray[0]=='BEGIN'){
if($begin==false){
$begin = true;
$majorarray['TYPE']=$tmpholderarray[1];
} else {
$majorarray[$tmpholderarray[1]]=array();
$key = $tmpholderarray[1];
}
} else if($tmpholderarray[0]=='END'){
if(!empty($key)){
$key = NULL;
}
} else {
if(!empty($key)){
$majorarray[$key][$tmpholderarray[0]] = $tmpholderarray[1];
} else {
$majorarray[$tmpholderarray[0]] = $tmpholderarray[1];
}
}
}
}
//crmv@32278
if (preg_match('/DESCRIPTION:(.*?)^[A-Z]+:/sim', $todoresult[0][$i], $regs)) {
$majorarray['DESCRIPTION'] = str_replace(" ", " ", str_replace("\r\n", "", $regs[1]));
}
//crmv@32278e
$icalarray[] = $majorarray;
unset($majorarray);
}
return $icalarray;
}
}
?>