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egroupware_official/calendar/inc/class.vCalendar.inc.php

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<?php
/**************************************************************************\
* phpGroupWare - vCalendar Parser *
* http://www.phpgroupware.org *
* Written by Mark Peters <skeeter@phpgroupware.org> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
define('FOLD_LENGTH',75);
define('VEVENT',1);
define('VTODO',2);
define('NONE',0);
define('CHAIR',1);
define('REQ_PARTICIPANT',2);
define('OPT_PARTICIPANT',3);
define('NON_PARTICIPANT',4);
define('INDIVIDUAL',1);
define('GROUP',2);
define('RESOURCE',4);
define('ROOM',8);
define('UNKNOWN',16);
define('NEEDS_ACTION',0);
define('ACCEPTED',1);
define('DECLINED',2);
define('TENTATIVE',3);
define('DELEGATED',4);
define('COMPLETED',5);
define('IN_PROCESS',6);
/*
* Class
*/
define('PRIVATE',0);
define('PUBLIC',1);
define('CONFIDENTIAL',3);
/*
* Transparency
*/
define('TRANSPARENT',0);
define('OPAQUE',1);
/*
* Frequency
*/
define('SECONDLY',1);
define('MINUTELY',2);
define('HOURLY',3);
define('DAILY',4);
define('WEEKLY',5);
define('MONTHLY',6);
define('YEARLY',7);
define('FREE',0);
define('BUSY',1);
define('BUSY_UNAVAILABLE',2);
define('BUSY_TENTATIVE',3);
define('THISANDPRIOR',0);
define('THISANDFUTURE',1);
define('START',0);
define('END',1);
define('_8BIT',0);
define('_BASE64',1);
define('OTHER',99);
class class_mailto
{
var $user;
var $host;
}
class class_address
{
var $cn = 'Unknown';
var $dir;
var $cutype = INDIVIDUAL;
var $role = REQ_PARTICIPANT;
var $rsvp = 0;
var $mailto;
var $sent_by;
var $delegated_from;
var $delegated_to;
var $member;
var $partstat = NEEDS_ACTION;
}
class class_tzprop
{
var $type;
var $comment;
var $dtstart;
var $rdate;
var $rrule;
var $tzname;
var $tzoffsetfrom;
var $tzoffsetto;
var $x_type = Array();
}
class class_timezone
{
var $type;
var $tzdata;
var $last_modified;
var $tzid;
var $tzurl;
}
class class_event
{
var $type;
var $alarm;
var $attach;
var $attendee;
var $categories;
var $class;
var $comment;
var $contact;
var $created;
var $description;
var $dtend;
var $dtstamp;
var $dtstart;
var $duration;
var $exdate;
var $exrule;
var $geo;
var $last_modified;
var $location;
var $organizer;
var $priority;
var $rdate;
var $recurrence_id;
var $request_status;
var $resources;
var $rrule;
var $sequence;
var $status;
var $summary;
var $transp;
var $uid;
var $url;
var $x_type = Array();
}
class class_todo
{
var $type;
var $alarm;
var $attach;
var $attendee;
var $calscale;
var $class;
var $comment;
var $completed;
var $created;
var $description;
var $dtstamp;
var $dtstart;
var $due;
var $duration;
var $exdate;
var $exrule;
var $geo;
var $last_modified;
var $location;
var $organizer;
var $percent_coplete;
var $priority;
var $rdate;
var $recurrence_id;
var $related_to;
var $request_status;
var $resources;
var $rrule;
var $sequence;
var $summary;
var $uid;
var $url;
var $x_type = Array();
}
class class_journal
{
var $type;
var $class;
var $created;
var $description;
var $dtstamp;
var $dtstart;
var $last_modified;
var $organizer;
var $recurrence_id;
var $sequence;
var $status;
var $summary;
var $uid;
var $url;
var $attach;
var $attendee;
var $categories;
var $comment;
var $contact;
var $exdate;
var $exrule;
var $rdate;
var $related_to;
var $request_status;
var $rrule;
var $x_type = Array();
}
class class_freebusy
{
var $type;
var $attandee;
var $comment;
var $contact;
var $dtend;
var $dtstamp;
var $dtstart;
var $duration;
var $freebusy;
var $organizer;
var $request_status;
var $uid;
var $url;
var $x_type = Array();
}
class class_datetime
{
var $year;
var $month;
var $mday;
var $hour;
var $min;
var $sec;
}
class class_date_time
{
var $tzid;
var $value;
var $allday = False;
var $x_type = Array();
}
class class_geo
{
var $lat;
var $lon;
}
class class_recur
{
var $byday;
var $byhour;
var $byminute;
var $bymonth;
var $bymonthday;
var $bysecond;
var $bysetpos;
var $byweekno;
var $byyearday;
var $count;
var $freq;
var $interval;
var $until;
var $wkst;
var $x_type = Array();
}
class class_text
{
var $cid;
var $fmttype;
var $encoding;
var $altrep;
var $language;
var $value;
var $x_type = Array();
}
class class_x_type
{
var $name;
var $value;
}
class class_alarm
{
var $action;
var $trigger;
var $duration;
var $repeat;
var $attach;
var $x_type = Array();
}
class vCal
{
var $prodid;
var $version;
var $method;
var $calscale;
var $event = Array();
var $todo = Array();
var $journal = Array();
var $freebusy = Array();
var $timezone = Array();
}
class vCalendar
{
var $vcal;
var $line = 0;
var $event = Array();
var $todo = Array();
var $journal = Array();
var $freebusy = Array();
var $timezone = Array();
var $property = Array();
var $parameter = Array();
var $debug_str = True;
/*
* Base Functions
*/
function vCalendar()
{
$this->property = Array(
'action' => Array(
'type' => 'text',
'to_text' => True,
'valarm' => Array(
'state' => 'required',
'multiples' => False
)
),
'attach' => Array(
'type' => 'uri',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'valarm' => Array(
'state' => 'optional',
'multiples' => True
)
),
'attendee' => Array(
'type' => 'cal-address',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'valarm' => Array(
'state' => 'optional',
'multiples' => True
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => True
)
),
'categories' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
)
),
'class' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
)
),
'comment' => Array(
'type' => 'text',
'to_text' => True,
'daylight' => Array(
'state' => 'optional',
'multiples' => True
),
'standard' => Array(
'state' => 'optional',
'multiples' => True
),
'valarm' => Array(
'state' => 'optional',
'multiples' => True
),
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
)
),
'completed' => Array(
'type' => 'date-time',
'to_text' => False,
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'contact' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
)
),
'created' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
)
),
'description' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'valarm' => Array(
'state' => 'optional',
'multiples' => False
)
),
'dtend' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
)
),
'dtstamp' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
)
),
'dtstart' => Array(
'type' => 'date-time',
'to_text' => False,
'daylight' => Array(
'state' => 'required',
'multiples' => False
),
'standard' => Array(
'state' => 'required',
'multiples' => False
),
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'due' => Array(
'type' => 'date-time',
'to_text' => False,
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'duration' => Array(
'type' => 'duration',
'to_text' => False,
'valarm' => Array(
'state' => 'optional',
'multiples' => False
),
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'exdate' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
)
),
'exrule' => Array(
'type' => 'recur',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
)
),
'freebusy' => Array(
'type' => 'freebusy',
'to_text' => False,
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => True
)
),
'geo' => Array(
'type' => 'float',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'last_modified' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtimezone' => Array(
'state' => 'optional',
'multiples' => False
)
),
'location' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'organizer' => Array(
'type' => 'cal-address',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => False
)
),
'percent_complete' => Array(
'type' => 'integer',
'to_text' => False,
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'priority' => Array(
'type' => 'integer',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'rdate' => Array(
'type' => 'date-time',
'to_text' => False,
'daylight' => Array(
'state' => 'optional',
'multiples' => True
),
'standard' => Array(
'state' => 'optional',
'multiples' => True
),
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
)
),
'recurrence_id' => Array(
'type' => 'date-time',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'related_to' => Array(
'type' => 'text',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
)
),
'request_status' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
),
'vfreebusy' => Array(
'state' => 'optional',
'multiples' => True
)
),
'resources' => Array(
'type' => 'text',
'to_text' => False,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'rrule' => Array(
'type' => 'recur',
'to_text' => False,
'daylight' => Array(
'state' => 'optional',
'multiples' => True
),
'standard' => Array(
'state' => 'optional',
'multiples' => True
),
'vevent' => Array(
'state' => 'optional',
'multiples' => True
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => True
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => True
)
),
'sequence' => Array(
'type' => 'integer',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'status' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
)
),
'summary' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'optional',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'valarm' => Array(
'state' => 'optional',
'multiples' => False
)
),
'transp' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'optional',
'multiples' => False
)
),
'trigger' => Array(
'type' => 'trigger',
'to_text' => True,
'valarm' => Array(
'state' => 'optional',
'multiples' => False
)
),
'tzid' => Array(
'type' => 'text',
'to_text' => True,
'vtimezone' => Array(
'state' => 'required',
'multiples' => False
)
),
'tzname' => Array(
'type' => 'text',
'to_text' => True,
'daylight' => Array(
'state' => 'optional',
'multiples' => True
),
'standard' => Array(
'state' => 'optional',
'multiples' => True
)
),
'tzoffsetfrom' => Array(
'type' => 'utc-offset',
'to_text' => True,
'daylight' => Array(
'state' => 'required',
'multiples' => False
),
'standard' => Array(
'state' => 'required',
'multiples' => False
)
),
'tzoffsetto' => Array(
'type' => 'utc-offset',
'to_text' => True,
'daylight' => Array(
'state' => 'required',
'multiples' => False
),
'standard' => Array(
'state' => 'required',
'multiples' => False
)
),
'tzurl' => Array(
'type' => 'uri',
'to_text' => True,
'vtimezone' => Array(
'state' => 'optional',
'multiples' => False
)
),
'uid' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'required',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'required',
'multiples' => False
),
'vjournal' => Array(
'state' => 'required',
'multiples' => False
),
'vtodo' => Array(
'state' => 'required',
'multiples' => False
)
),
'url' => Array(
'type' => 'text',
'to_text' => True,
'vevent' => Array(
'state' => 'required',
'multiples' => False
),
'vfreebusy' => Array(
'state' => 'required',
'multiples' => False
),
'vjournal' => Array(
'state' => 'optional',
'multiples' => False
),
'vtodo' => Array(
'state' => 'required',
'multiples' => False
)
)
);
$this->parameter = Array(
'altrep' => Array(
'type' => 'uri',
'quoted' => True,
'to_text' => True,
'properties' => Array(
'comment' => True,
'description' => True,
'location' => True,
'resources' => True,
'summary' => True,
'contact' => True
)
),
'byday' => Array(
'type' => 'text',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'byhour' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'byminute' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'bymonth' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'bymonthday' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'bysecond' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'bysetpos' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'byweekno' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'byyearday' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'cn' => Array(
'type' => 'text',
'quoted' => True,
'to_text' => False,
'properties' => Array(
'attendee' => True,
'organizer' => True
)
),
'count' => Array(
'type' => 'integer',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'cu' => Array(
'type' => 'function',
'function' => 'switch_cu',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'delegated_from' => Array(
'type' => 'function',
'function' => 'switch_mailto',
'quoted' => True,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'delegated_to' => Array(
'type' => 'function',
'function' => 'switch_mailto',
'quoted' => True,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'dir' => Array(
'type' => 'dir',
'quoted' => True,
'to_text' => True,
'properties' => Array(
'attendee' => True,
'organizer' => True
)
),
'enocding' => Array(
'type' => 'function',
'function' => 'switch_encoding',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attach' => True
)
),
'fmttype' => Array(
'type' => 'text',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attach' => True
)
),
'fbtype' => Array(
'type' => 'function',
'function' => 'switch_fbtype',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attach' => True
)
),
'freq' => Array(
'type' => 'function',
'function' => 'switch_freq',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'interval' => Array(
'type' => 'integer',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'language' => Array(
'type' => 'text',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'categories' => True,
'comment' => True,
'description' => True,
'location' => True,
'resources' => True,
'summary' => True,
'tzname' => True,
'attendee' => True,
'contact' => True,
'organizer' => True,
'x-type' => True
)
),
'mailto' => Array(
'type' => 'function',
'function' => 'switch_mailto',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attendee' => True,
'organizer' => True
)
),
'member' => Array(
'type' => 'function',
'function' => 'switch_mailto',
'quoted' => True,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'partstat' => Array(
'type' => 'function',
'function' => 'switch_partstat',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'range' => Array(
'type' => 'function',
'function' => 'switch_range',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'recurrence_id' => True
)
),
'related' => Array(
'type' => 'function',
'function' => 'switch_related',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'related_to' => True
)
),
'role' => Array(
'type' => 'function',
'function' => 'switch_role',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'rsvp' => Array(
'type' => 'function',
'function' => 'switch_rsvp',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'attendee' => True
)
),
'sent_by' => Array(
'type' => 'function',
'function' => 'parse_user_host',
'quoted' => True,
'to_text' => False,
'properties' => Array(
'attendee' => True,
'organizer' => True
)
),
'tzid' => Array(
'type' => 'text',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'dtend' => True,
'due' => True,
'dtstart' => True,
'recurrence_id' => True,
'exdate' => True,
'rdate' => True
)
),
'until' => Array(
'type' => 'function',
'function' => 'switch_date',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'value' => Array(
'type' => 'value',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'calscale' => True,
'method' => True,
'prodid' => True,
'version' => True,
'attach' => True,
'categories' => True,
'class' => True,
'comment' => True,
'description' => True,
'geo' => True,
'location' => True,
'percent' => True,
'priority' => True,
'resources' => True,
'status' => True,
'summary' => True,
'completed' => True,
'dtend' => True,
'due' => True,
'dtstart' => True,
'duration' => True,
'freebusy' => True,
'transp' => True,
'tzid' => True,
'tzname' => True,
'tzoffsetfrom' => True,
'tzoffsetto' => True,
'tzurl' => True,
'attendee' => True,
'contact' => True,
'organizer' => True,
'recurrence_id' => True,
'url' => True,
'uid' => True,
'exdate' => True,
'exrule' => True,
'rdate' => True,
'rrule' => True,
'action' => True,
'repeat' => True,
'trigger' => True,
'created' => True,
'dtstamp' => True,
'last_modified' => True,
'sequence' => True,
'x_type' => True,
'request_status' => True
)
),
'wkst' => Array(
'type' => 'string',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'rrule' => True
)
),
'x_type' => Array(
'type' => 'x_type',
'quoted' => False,
'to_text' => False,
'properties' => Array(
'calscale' => True,
'method' => True,
'prodid' => True,
'version' => True,
'attach' => True,
'categories' => True,
'class' => True,
'comment' => True,
'description' => True,
'geo' => True,
'location' => True,
'percent' => True,
'priority' => True,
'resources' => True,
'status' => True,
'summary' => True,
'completed' => True,
'dtend' => True,
'due' => True,
'dtstart' => True,
'duration' => True,
'freebusy' => True,
'transp' => True,
'tzid' => True,
'tzname' => True,
'tzoffsetfrom' => True,
'tzoffsetto' => True,
'tzurl' => True,
'attendee' => True,
'contact' => True,
'organizer' => True,
'recurrence_id' => True,
'url' => True,
'uid' => True,
'exdate' => True,
'exrule' => True,
'rdate' => True,
'rrule' => True,
'action' => True,
'repeat' => True,
'trigger' => True,
'created' => True,
'dtstamp' => True,
'last_modified' => True,
'sequence' => True,
'x_type' => True,
'request_status' => True
)
)
);
}
function set_var(&$event,$type,$value)
{
$type = strtolower(str_replace('-','_',$type));
$event->$type = $value;
}
function read_line_unfold($vcal_text)
{
if($this->line < count($vcal_text))
{
$str = str_replace("\r\n",'',$vcal_text[$this->line]);
$this->line = $this->line + 1;
while(ereg("^[[:space:]]",$vcal_text[$this->line]))
{
$str .= substr(str_replace("\r\n",'',$vcal_text[$this->line]),1);
$this->line = $this->line + 1;
}
// $this->debug("LINE : ".$str);
return $str;
}
else
{
return False;
}
}
function fold($str)
{
return chunk_split($str,FOLD_LENGTH,"\r\n");
}
function strip_quotes($str)
{
return str_replace('"','',$str);
}
function explode_param($str,$check_equal)
{
$results = Array();
// [(X\-)?([[:alnum:]])*]=
$alnum_regexp = '[:alnum:]';
$space_regexp = '[:space:]';
$extra_regexp = '([ \)\(\/\@\-]|((\:\/\/)?))';
// This works good...
$param_regexp = '((X-)?['.$alnum_regexp.']*)';
$quote_regexp = '(\")?';
$end_regexp = '[\;\:]|$';
// Left Side (WORKS)
$regexp_param = '('.$param_regexp.'=)';
// $regexp_param = '('.$param_regexp.'=['.$alnum_regexp.']'.$end_regexp.')';
// Right Side (WORKS minus last char)
// $regexp_param = '(=('.$quote_regexp.'(['.$alnum_regexp.$space_regexp.'\(\@\/\-\)])+)'.$quote_regexp.'))';
// $regexp_param = '('.$param_regexp.'=('.$quote_regexp.'(['.$alnum_regexp.$space_regexp.'\(\-\)\.@/ (\:\/\/)*(\:[0-9])*])*)'.$quote_regexp.')*)';
// $regexp_param = '('.$param_regexp.'=('.$quote_regexp.'(['.$alnum_regexp.$space_regexp.$extra_regexp.'(\:[0-9])*])*)'.$quote_regexp.')*)';
$this->debug('REGEXP : '.$regexp_param);
while(ereg($regexp_param,$str,$temp) && $str)
{
$this->debug('Param = '.$temp[1]);
$str=str_replace($temp[1],'',$str);
if(strpos(' '.$temp[1],'='))
{
$var = explode('=',$temp[1]);
$results[] = $var[0];
$results[] = $var[1];
}
else
{
$results[] = $temp[1];
}
}
if($str)
{
$results[] = $str;
}
reset($results);
return $results;
}
function from_text($str)
{
$str = str_replace("\\,",",",$str);
$str = str_replace("\\;",";",$str);
$str = str_replace("\\N","\n",$str);
$str = str_replace("\\n","\n",$str);
$str = str_replace("\\\\","\\",$str);
return $str;
}
function to_text($str)
{
$str = str_replace("\\","\\\\",$str);
$str = str_replace(",","\\,",$str);
$str = str_replace(";","\\;",$str);
$str = str_replace("\n","\\n",$str);
return $str;
}
function from_dir($str)
{
return str_replace('=3D','=',str_replace('%20',' ',$str));
}
function to_dir($str)
{
return str_replace('=','=3D',str_replace(' ','%20',$str));
}
function find_parameters($property)
{
reset($this->parameter);
while(list($key,$param_array) = each($this->parameter))
{
if($param_array['properties'][$property])
{
$param[] = $key;
}
}
reset($param);
return $param;
}
function find_properties($ical_type)
{
reset($this->property);
while(list($key,$param_array) = each($this->property))
{
if($param_array[$ical_type])
{
$prop[] = $key;
}
}
reset($prop);
return $prop;
}
function new_vcal()
{
return new vCal;
}
/*
* Parse Functions
*/
function parse_geo(&$event,$value)
{
$return_value = $this->explode_param($value,True);
if(count($return_value) == 2)
{
$event->lat = $return_value[0];
$event->lon = $return_value[1];
}
}
function parse_xtype(&$event,$majortype,$value)
{
$temp_x_type = new class_x_type;
$temp_x_type->name = strtoupper(substr($majortype,2));
$temp_x_type->value = $value;
$event->x_type[] = $temp_x_type;
unset($temp_x_type);
}
function parse_parameters(&$event,$majortype,$value)
{
$return_value = $this->explode_param($value,True);
if(count($return_value) > 0)
{
for($i=0;$i<count($return_value);$i=$i + 2)
{
$name = $return_value[$i];
$value = $this->strip_quotes($return_value[$i+1]);
if(substr($name,0,2) == 'X-')
{
$param = 'x_type';
$name = str_replace('-','_',$name);
}
else
{
$param = str_replace('-','_',strtolower($name));
if(!isset($this->parameter[$param]))
{
// if($majortype == 'attendee' || $majortype == 'organizer')
// {
// $param = 'mailto';
// $value = $name;
// $name = $param;
// }
// else
// {
$param = 'value';
// }
}
}
$this->debug('name : '.$name.' : Param = '.$param);
if(@$this->parameter[$param]['properties'][$majortype])
{
switch(@$this->parameter[$param]['type'])
{
case 'dir':
$this->set_var($event,$name,$this->from_dir($value));
break;
case 'text':
$this->set_var($event,$name,$value);
break;
case 'x_type':
$this->parse_xtype($event,$name,$value);
break;
case 'function':
$function = $this->parameter[$param]['function'];
$this->set_var($event,$name,$this->$function($value));
break;
case 'uri':
if(@$this->parameter[$param]['to_text'])
{
$value = $this->to_text($value);
}
$this->set_var($event,$name,$value);
break;
case 'integer':
$this->set_var($event,$name,intval($value));
break;
case 'value':
if(@$this->property[$majortype]['type'] == 'date-time')
{
$this->set_var($event,$param,$this->switch_date($name));
}
elseif($name <> "\\n")
{
$this->set_var($event,$param,$name);
}
break;
}
}
}
}
elseif($value <> "\\n")
{
$this->set_var($event,'value',$value);
}
}
function parse(&$event,$majortype,$value,$class)
{
$var = new $class;
$this->parse_parameters($var,$majortype,$value);
if($multiples)
{
$event->{$majortype}[] = $var;
}
else
{
$this->set_var($event,$majortype,$var);
}
unset($var);
}
/*
* Build-Card Functions
*/
function build_xtype($x_type,$seperator='=')
{
$quote = '';
if($seperator == '=')
{
$quote = '"';
}
return $this->fold('X-'.$x_type->name.$seperator.$quote.$x_type->value.$quote);
}
function build_parameters($event,$property)
{
$str = '';
$include_mailto = False;
$include_datetime = False;
$param = $this->find_parameters($property);
while(list($dumb_key,$key) = each($param))
{
if($key == 'mailto')
{
$include_mailto = True;
continue;
}
$param_array = @$this->parameter[$key];
$type = @$param_array['type'];
if($type == 'date-time')
{
$include_datetime = True;
continue;
}
$quote = (@$param_array['quoted']?'"':'');
if(!empty($event->$key) && @$param_array['properties'][$property])
{
$change_text = @$param_array['to_text'];
$value = $event->$key;
if($change_text && $type == 'text')
{
$value = $this->to_text($value);
}
switch($type)
{
case 'dir':
$str .= ';'.str_replace('_','-',strtoupper($key)).'='.$quote.$this->to_dir($value).$quote;
break;
case 'function':
$str .= ';'.str_replace('_','-',strtoupper($key)).'=';
$function = @$param_array['function'];
$str .= $quote.$this->$function($value).$quote;
break;
case 'text':
$str .= ';'.strtoupper($key).'='.$quote.$value.$quote;
break;
case 'date-time':
$str .= ':'.date('Ymd\THms\Z',mktime($event->hour,$event->min,$event->sec,$event->month,$event->mday,$event->year));
}
unset($value);
}
}
if(!empty($event->x_type))
{
for($j=0;$j<count($event->x_type);$j++)
{
$str .= ';'.$this->build_xtype($event->x_type[$j],'=');
}
}
if(!empty($event->value))
{
if($to_text)
{
$event->value = $this->to_text($event->value);
}
$str .= ':'.$event->value;
}
if($include_mailto == True)
{
$key = 'mailto';
$function = $this->parameter[$key]['function'];
$str .= ':'.$this->$function($event->$key);
}
if($include_datetime == True || @$this->property[$property]['type'] == 'date-time')
{
$str .= ':'.date('Ymd\THms\Z',mktime($event->hour,$event->min,$event->sec,$event->month,$event->mday,$event->year));
}
return $str;
}
function build_text($event,$property)
{
$str = '';
$param = $this->find_parameters($property);
while(list($dumb_key,$key) = each($param))
{
if(!empty($event->$key))
{
$type = @$this->parameter[$key]['type'];
$quote = @$this->parameter[$key]['quote'];
if(@$this->parameter[$key]['to_text'] == True)
{
$value = $this->to_text($event->$key);
}
else
{
$value = $event->$key;
}
switch($type)
{
case 'text':
$str .= ';'.strtoupper($key).'='.$quote.$value.$quote;
break;
}
}
}
if(!empty($event->x_type))
{
for($j=0;$j<count($event->x_type);$j++)
{
$str .= ';'.$this->build_xtype($event->x_type[$j],'=');
}
}
if(!empty($event->value))
{
if($to_text)
{
$event->value = $this->to_text($event->value);
}
$str .= ':'.$event->value;
}
return $str;
}
// function build_recur($event)
// {
// $var = Array(
// 'freq',
// 'count',
// 'wkst',
// 'byday'
// );
// for($i=0;$i<count($var);$i++)
// {
// iF(!empty($event->{$var[$i]}))
// {
// $str[] = strtoupper($var[$i]).'='.$event->{$var[$i]};
// }
// }
// $recur = ':'.implode($str,';');
// return $recur;
// }
// function build_datetime($event)
// {
// return ':'.date('Ymd\THms\Z',mktime($event->hour,$event->min,$event->sec,$event->month,$event->mday,$event->year));
// }
function build_card_internals($ical_item,$event)
{
$prop = $this->find_properties($ical_item);
reset($prop);
while(list($dumb_key,$key) = each($prop))
{
$value = $key;
$varray = $this->property[$key];
$type = $varray['type'];
$to_text = $varray['to_text'];
$state = @$varray[$ical_item]['state'];
$multiples = @$varray[$ical_item]['multiples'];
switch($type)
{
case 'date-time':
if(!empty($event->$value))
{
if($multiples)
{
for($i=0;$i<count($event->$value);$i++)
{
$str .= $this->fold(strtoupper($value).$this->build_parameters($event->{$value}[$i],$value));
}
}
else
{
$str .= $this->fold(strtoupper($value).$this->build_parameters($event->$value,$value));
}
}
elseif($value == 'dtstamp' || $value == 'created')
{
$str .= $this->fold(strtoupper($value).':'.gmdate('Ymd\THms\Z'));
}
break;
case 'uri':
if(!empty($event->$value))
{
for($i=0;$i<count($event->$value);$i++)
{
$str .= $this->fold(strtoupper($value).$this->build_parameters($event->{$value}[$i],$to_text));
}
}
break;
case 'recur':
if(!empty($event->$value))
{
if($multiples)
{
for($i=0;$i<count($event->$value);$i++)
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).$this->build_parameters($event->{$value}[$i]));
}
}
else
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).$this->build_parameters($event->$value));
}
}
break;
case 'integer':
if(!empty($event->$value))
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).':'.$event->$value);
}
elseif($value == 'sequence' || $value == 'percent_complete')
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).':0');
}
break;
case 'float':
if(!empty($event->$value))
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).':'.$event->$value->lat.';'.$event->$value->lon);
}
break;
case 'text':
// if(empty($event->$value) && $state == 'required')
// {
// return '';
// }
if(!empty($event->$value))
{
if($multiples)
{
for($i=0;$i<count($event->$value);$i++)
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).$this->build_parameters($event->{$value}[$i],$value));
}
}
else
{
$str .= $this->fold(strtoupper(str_replace('_','-',$value)).$this->build_parameters($event->$value,$value));
}
}
break;
case 'cal-address':
if(!empty($event->$value))
{
for($j=0;$j<count($event->$value);$j++)
{
$temp_output = $this->build_parameters($event->{$value}[$j],$value);
if($temp_output)
{
$str .= $this->fold(strtoupper($value).$temp_output);
}
}
}
break;
}
}
if(!empty($event->x_type))
{
for($i=0;$i<count($event->x_type);$i++)
{
$str .= $this->build_xtype($event->x_type[$i],':');
}
}
if($ical_item == 'vtimezone')
{
if($event->tzdata)
{
for($k=0;$k<count($event->tzdata);$k++)
{
$str .= 'BEGIN:'.strtoupper($event->tzdata[$k]->type)."\r\n";
$str .= $this->build_card_internals(strtolower($event->tzdata[$k]->type),$event->tzdata[$k]);
$str .= 'END:'.strtoupper($event->tzdata[$k]->type)."\r\n";
}
}
}
return $str;
}
/*
* Switching Functions
*/
function switch_class($var)
{
if(is_string($var))
{
switch($var)
{
case 'PRIVATE':
return PRIVATE;
break;
case 'PUBLIC':
return PUBLIC;
break;
case 'CONFIDENTIAL':
return CONFIDENTIAL;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case PRIVATE:
return 'PRIVATE';
break;
case PUBLIC:
return 'PUBLIC';
break;
case CONFIDENTIAL:
return 'CONFIDENTIAL';
break;
}
}
else
{
return $var;
}
}
function switch_cu($var)
{
if(gettype($var) == 'string')
{
switch($var)
{
case 'INDIVIDUAL':
return INDIVIDUAL;
break;
case 'GROUP':
return GROUP;
break;
case 'RESOURCE':
return RESOURCE;
break;
case 'ROOM':
return ROOM;
break;
case 'UNKNOWN':
return UNKNOWN;
break;
default:
return OTHER;
break;
}
}
elseif(gettype($var) == 'integer')
{
switch($var)
{
case INDIVIDUAL:
return 'INDIVIDUAL';
break;
case GROUP:
return 'GROUP';
break;
case RESOURCE:
return 'RESOURCE';
break;
case ROOM:
return 'ROOM';
break;
case UNKNOWN:
return 'UNKNOWN';
break;
default:
return 'X-OTHER';
break;
}
}
else
{
return $var;
}
}
function switch_date($var)
{
if(is_string($var))
{
$dtime = new class_datetime;
if(strpos($var,':'))
{
$pos = explode(':',$var);
$var = $pos[1];
}
$this->set_var($dtime,'year',intval(substr($var,0,4)));
$this->set_var($dtime,'month',intval(substr($var,4,2)));
$this->set_var($dtime,'mday',intval(substr($var,6,2)));
if(substr($var,8,1) == 'T')
{
$this->set_var($dtime,'hour',intval(substr($var,9,2)));
$this->set_var($dtime,'min',intval(substr($var,11,2)));
$this->set_var($dtime,'sec',intval(substr($var,13,2)));
if(strlen($var) > 14)
{
if(substr($var,14,1) != 'Z')
{
}
}
else
{
/*
* The time provided by the vCal is considered local time.
*
* The implementor will need to consider how to convert that time to UTC.
*/
}
}
else
{
$this->set_var($dtime,'hour',0);
$this->set_var($dtime,'min',0);
$this->set_var($dtime,'sec',0);
}
return $dtime;
}
elseif(is_object($var))
{
return date('Ymd\THms\Z',mktime($var->hour,$var->min,$var->sec,$var->month,$var->mday,$var->year));
}
else
{
return $var;
}
}
function switch_encoding($var)
{
if(is_string($var))
{
switch($var)
{
case '8BIT':
return _8BIT;
break;
case 'BASE64':
return _BASE64;
break;
default:
return OTHER;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case _8BIT:
return '8BIT';
break;
case _BASE64:
return 'BASE64';
break;
case OTHER:
return 'OTHER';
break;
}
}
else
{
return $var;
}
}
function switch_fbtype($var)
{
if(is_string($var))
{
switch($var)
{
case 'FREE':
return FREE;
break;
case 'BUSY':
return BUSY;
break;
case 'BUSY-UNAVAILABLE':
return BUSY_UNAVAILABLE;
break;
case 'BUSY-TENTATIVE':
return BUSY_TENTATIVE;
break;
default:
return OTHER;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case FREE:
return 'FREE';
break;
case BUSY:
return 'BUSY';
break;
case BUSY_UNAVAILABLE:
return 'BUSY-UNAVAILABLE';
break;
case BUSY_TENTATIVE:
return 'BUSY-TENTATIVE';
break;
default:
return 'OTHER';
break;
}
}
else
{
return $var;
}
}
function switch_freq($var)
{
if(is_string($var))
{
switch($var)
{
case 'SECONDLY':
return SECONDLY;
break;
case 'MINUTELY':
return MINUTELY;
break;
case 'HOURLY':
return HOURLY;
break;
case 'DAILY':
return DAILY;
break;
case 'WEEKLY':
return WEEKLY;
break;
case 'MONTHLY':
return MONTHLY;
break;
case 'YEARLY':
return YEARLY;
break;
}
}
elseif(gettype($var) == 'integer')
{
switch($var)
{
case SECONDLY:
return 'SECONDLY';
break;
case MINUTELY:
return 'MINUTELY';
break;
case HOURLY:
return 'HOURLY';
break;
case DAILY:
return 'DAILY';
break;
case WEEKLY:
return 'WEEKLY';
break;
case MONTHLY:
return 'MONTHLY';
break;
case YEARLY:
return 'YEARLY';
break;
}
}
else
{
return $var;
}
}
function switch_mailto($var)
{
if(is_string($var))
{
if(strpos(' '.$var,':'))
{
$parts = explode(':',$var);
$var = $parts[1];
}
$parts = explode('@',$var);
if(count($parts) == 2)
{
$temp_address = new class_mailto;
$temp_address->user = $parts[0];
$temp_address->host = $parts[1];
return $temp_address;
}
else
{
return False;
}
}
elseif(is_object($var))
{
$str = 'MAILTO:'.$var->user.'@'.$var->host;
return $str;
}
}
function switch_partstat($var)
{
if(is_string($var))
{
switch($var)
{
case 'NEEDS-ACTION':
return NEEDS_ACTION;
break;
case 'ACCEPTED':
return ACCEPTED;
break;
case 'DECLINED':
return DECLINED;
break;
case 'TENTATIVE':
return TENTATIVE;
break;
case 'DELEGATED':
return DELEGATED;
break;
case 'COMPLETED':
return COMPLETED;
break;
case 'IN-PROCESS':
return IN_PROCESS;
break;
default:
return OTHER;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case NEEDS_ACTION:
return 'NEEDS-ACTION';
break;
case ACCEPTED:
return 'ACCEPTED';
break;
case DECLINED:
return 'DECLINED';
break;
case TENTATIVE:
return 'TENTATIVE';
break;
case DELEGATED:
return 'DELEGATED';
break;
case COMPLETED:
return 'COMPLETED';
break;
case IN_PROCESS:
return 'IN-PROCESS';
break;
default:
return 'X-OTHER';
break;
}
}
else
{
return $var;
}
}
function switch_range($var)
{
if(is_string($var))
{
switch($var)
{
case 'THISANDPRIOR':
return THISANDPRIOR;
break;
case 'THISANDFUTURE':
return THISANDFUTURE;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case THISANDPRIOR:
return 'THISANDPRIOR';
break;
case THISANDFUTURE:
return 'THISANDFUTURE';
break;
}
}
else
{
return $var;
}
}
function switch_related($var)
{
if(is_string($var))
{
switch($var)
{
case 'START':
return START;
break;
case 'END':
return END;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case START:
return 'START';
break;
case END:
return 'END';
break;
}
}
else
{
return $var;
}
}
function switch_reltype($var)
{
if(is_string($var))
{
switch($var)
{
case 'PARENT':
return PARENT;
break;
case 'CHILD':
return CHILD;
break;
case 'SIBLING':
return SIBLING;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case PARENT:
return 'PARENT';
break;
case CHILD:
return 'CHILD';
break;
case SIBLING:
return 'SIBLING';
break;
}
}
else
{
return $var;
}
}
function switch_role($var)
{
if(is_string($var))
{
switch($var)
{
case 'NONE':
return NONE;
break;
case 'CHAIR':
return CHAIR;
break;
case 'REQ-PARTICIPANT':
return REQ_PARTICIPANT;
break;
case 'OPT-PARTICIPANT':
return OPT_PARTICIPANT;
break;
case 'NON-PARTICIPANT':
return NON_PARTICIPANT;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case NONE:
return 'NONE';
break;
case CHAIR:
return 'CHAIR';
break;
case REQ_PARTICIPANT:
return 'REQ-PARTICIPANT';
break;
case OPT_PARTICIPANT:
return 'OPT-PARTICIPANT';
break;
case NON_PARTICIPANT:
return 'NON-PARTICIPANT';
break;
}
}
else
{
return $var;
}
}
function switch_rsvp($var)
{
if(is_string($var))
{
if($var == 'TRUE')
{
return 1;
}
elseif($var == 'FALSE')
{
return 0;
}
}
elseif(is_int($var) || $var == False)
{
if($var == 1)
{
return 'TRUE';
}
elseif($var == 0)
{
return 'FALSE';
}
}
else
{
return $var;
}
}
function switch_transp($var)
{
if(is_string($var))
{
switch($var)
{
case 'TRANSPARENT':
return TRANSPARENT;
break;
case 'OPAQUE':
return OPAQUE;
break;
}
}
elseif(is_int($var))
{
switch($var)
{
case TRANSPARENT:
return 'TRANSPARENT';
break;
case OPAQUE:
return 'OPAQUE';
break;
}
}
else
{
return $var;
}
}
/*
* The brunt of the class
*/
function read($vcal_text)
{
$mode = 'none';
$text = $this->read_line_unfold($vcal_text);
while($text)
{
// if(strlen($vcal_text[$i]) > 75)
// {
// continue;
// }
// $this->debug('TEXT : '.$text);
// flush();
$colon = strpos($text,':');
if($colon == 0)
{
$colon = 65535;
}
$semi_colon = strpos($text,';');
if($semi_colon == 0)
{
$semi_colon = 65535;
}
if($colon == 65535 && $semi_colon == 65535)
{
continue;
}
else
{
$min_value = min($colon,$semi_colon);
$majortype = str_replace('-','_',strtolower(substr($text,0,$min_value)));
$value = chop(substr($text,$min_value + 1));
}
if($mode != 'none' && ($majortype != 'begin' && $majortype != 'end'))
{
if(isset($this->property[$majortype]))
{
$state = @$this->property[$majortype]["$mode"]['state'];
$type = @$this->property[$majortype]['type'];
$multiples = @$this->property[$majortype]["$mode"]['multiples'];
$do_to_text = @$this->property[$majortype]['to_text'];
}
elseif(substr($majortype,0,2) == 'x_')
{
$state = 'optional';
$type = 'xtype';
$multiples = True;
$do_to_test = True;
}
else
{
$state = '';
}
}
else
{
$state = 'required';
}
if($majortype == 'begin')
{
$tmode = $mode;
$mode = strtolower($value);
switch(strtolower($value))
{
case 'daylight':
$t_event = new class_timezone;
$t_event = $event;
unset($event);
$event = new class_tzprop;
break;
case 'standard':
$t_event = new class_timezone;
$t_event = $event;
unset($event);
break;
case 'valarm':
if($mode == 'vevent' || $mode == 'vtodo')
{
$t_event = $event;
unset($event);
$event = new class_alarm;
}
else
{
$mode = $tmode;
}
break;
case 'vcalendar':
$vcal = $this->new_vcal();
break;
case 'vevent':
$event = new class_event;
break;
case 'vfreebusy':
$event = new class_freebusy;
break;
case 'vjournal':
$event = new class_journal;
break;
case 'vtimezone':
$event = new class_timezone;
break;
case 'vtodo':
$event = new class_todo;
break;
}
$event->type = strtolower($value);
}
elseif($majortype == 'end')
{
$mode = 'none';
switch(strtolower($value))
{
case 'daylight':
$tzdata[] = $event;
unset($event);
$event = $t_event;
unset($t_event);
$mode = 'vtimezone';
break;
case 'standard':
$tzdata[] = $event;
unset($event);
$event = $t_event;
unset($t_event);
$mode = 'vtimezone';
break;
case 'valarm':
$alarm[] = $event;
unset($event);
$event = $t_event;
unset($t_event);
$mode = $tmode;
break;
case 'vevent':
if(!empty($alarm))
{
$event->alarm = $alarm;
unset($alarm);
}
$this->event[] = $event;
unset($event);
break;
case 'vfreebusy':
$this->freebusy[] = $event;
unset($event);
break;
case 'vjournal':
$this->journal[] = $event;
unset($event);
break;
case 'vtimezone':
if(!empty($tzdata))
{
$event->tzdata = $tzdata;
unset($tzdata);
}
$this->timezone[] = $event;
unset($event);
break;
case 'vtodo':
if(!empty($alarm))
{
$event->alarm = $alarm;
unset($alarm);
}
$this->todo[] = $event;
unset($event);
break;
case 'vcalendar':
$this->vcal = $vcal;
$this->vcal->event = $this->event;
$this->vcal->freebusy = $this->freebusy;
$this->vcal->journal = $this->journal;
$this->vcal->timezone = $this->timezone;
$this->vcal->todo = $this->todo;
break 2;
}
}
elseif($majortype == 'prodid' || $majortype == 'version' || $majortype == 'method' || $majortype == 'calscale')
{
$this->parse_parameters($vcal->$majortype,$majortype,$this->from_text($value));
}
elseif($state == 'optional' || $state == 'required')
{
if($do_to_text)
{
$value = $this->from_text($value);
}
switch($type)
{
case 'text':
$class = 'class_text';
$this->parse($event,$majortype,$value,$class);
break;
case 'integer':
if($multiples)
{
$event->{$majortype}[] = intval($value);
}
else
{
$this->set_var($event,$majortype,intval($value));
}
break;
case 'date-time':
$class = 'class_date_time';
$this->parse($event,$majortype,$value,$class);
break;
case 'float':
$event->$majortype = new class_geo;
$this->parse_geo($event->$majortype,$value);
break;
case 'utc-offset':
$this->set_var($event,$majortype,intval($value));
break;
case 'cal-address':
$class = 'class_address';
$this->parse($event,$majortype,$value,$class);
break;
case 'recur':
$class = 'class_recur';
$this->parse($event,$majortype,$value,$class);
break;
case 'uri':
$new_var = new class_text;
$this->parse_parameters($new_var,$majortype,$value);
if($multiples)
{
switch($mode)
{
case 'valarm':
$alarm->attach[] = $new_var;
break;
default:
$event->{$majortype}[] = $new_var;
break;
}
}
else
{
$event->{$majortype} = $new_var;
}
unset($new_var);
break;
case 'xtype':
$this->parse_xtype($event,$majortype,$value);
break;
}
}
$text = $this->read_line_unfold($vcal_text);
}
return $this->vcal;
}
function build_vcal($vcal)
{
$var = Array(
'timezone',
'event',
'todo',
'journal',
'freebusy'
);
$str = 'BEGIN:VCALENDAR'."\r\n";
$str .= $this->fold('PRODID'.$this->build_text($vcal->prodid));
$str .= $this->fold('VERSION'.$this->build_text($vcal->version));
$str .= $this->fold('METHOD'.$this->build_text($vcal->method));
while(list($key,$vtype) = each($var))
{
if($vcal->$vtype)
{
for($i=0;$i<count($vcal->$vtype);$i++)
{
$str .= 'BEGIN:V'.strtoupper($vtype)."\r\n";
$str .= $this->build_card_internals('v'.$vtype,$vcal->{$vtype}[$i]);
$str .= 'END:V'.strtoupper($vtype)."\r\n";
}
$this->debug('STR #'.$i.' : '.$str);
// flush();
}
}
$str .= 'END:VCALENDAR'."\r\n";
return $str;
}
function debug($str='')
{
if($this->debug_str)
{
echo $str."<br>\n";
}
}
}
?>
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