Getting very close to having a partial-implementation of a vCal reader.

This commit is contained in:
skeeter 2001-06-10 04:02:50 +00:00
parent dbdb79d280
commit 31245329a2
2 changed files with 201 additions and 92 deletions

40
calendar/ical_test.php Executable file
View File

@ -0,0 +1,40 @@
<?php
/**************************************************************************\
* phpGroupWare - Calendar *
* http://www.phpgroupware.org *
* Based on Webcalendar by Craig Knudsen <cknudsen@radix.net> *
* http://www.radix.net/~cknudsen *
* Modified 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. *
\**************************************************************************/
/* $Id$ */
$phpgw_info['flags']['currentapp'] = 'calendar';
include('../header.inc.php');
$icsfile='/home/httpd/html/phpgroupware/calendar/inc/vcal1.ics';
$fp=fopen($icsfile,'r');
$contents = explode("\n",fread ($fp, filesize($icsfile)));
fclose($fp);
$vcal = CreateObject('calendar.vCalendar');
$vcalendar = $vcal->read($contents);
echo "Product ID = ".$vcalendar->prodid."<br>\n";
echo "Method = ".$vcalendar->method."<br>\n";
echo "Version = ".$vcalendar->version."<br>\n";
echo "Sequence = ".$vcalendar->event[0]->sequence."<br>\n";
$datet = CreateObject('phpgwapi.datetime');
$datetime = mktime($vcalendar->event[0]->dtstart->hour,$vcalendar->event[0]->dtstart->min,$vcalendar->event[0]->dtstart->sec,$vcalendar->event[0]->dtstart->month,$vcalendar->event[0]->dtstart->mday,$vcalendar->event[0]->dtstart->year);
echo "Date Start : ".$phpgw->common->show_date($datetime)."<br>\n";
echo "Organizer = ".$vcalendar->event[0]->organizer->mailto->user.'@'.$vcalendar->event[0]->organizer->mailto->host."<br>\n";
echo "Attendee[0] = ".$vcalendar->event[0]->attendee[0]->mailto->user.'@'.$vcalendar->event[0]->attendee[0]->mailto->host."<br>\n";
echo "Attendee[1] = ".$vcalendar->event[0]->attendee[1]->mailto->user.'@'.$vcalendar->event[0]->attendee[1]->mailto->host."<br>\n";
echo "Class = ".$vcalendar->event[0]->class."<br>\n";
$phpgw->common->phpgw_footer();
?>

View File

@ -14,9 +14,9 @@
define('NONE',0);
define('CHAIR',1);
define('REQ-PARTICIPANT',2);
define('OPT-PARTICIPANT',3);
define('NON-PARTICIPANT',4);
define('REQ_PARTICIPANT',2);
define('OPT_PARTICIPANT',3);
define('NON_PARTICIPANT',4);
define('INDIVIDUAL',1);
define('GROUP',2);
@ -24,6 +24,10 @@ define('RESOURCE',4);
define('ROOM',8);
define('UNKNOWN',16);
define('PRIVATE',0);
define('PUBLIC',1);
define('CONFIDENTIAL',0);
class mailto
{
var $user;
@ -33,8 +37,8 @@ class mailto
class attendee
{
var $cn = 'Unknown';
var $cutype = 1;
var $role = 2;
var $cutype = INDIVIDUAL;
var $role = REQ_PARTICIPANT;
var $rsvp = False;
var $mailto;
var $sent_by;
@ -47,7 +51,7 @@ class attendee
class organizer
{
var $cn;
var $cutype = 1;
var $cutype = INDIVIDUAL;
var $delegated_from;
var $delegated_to;
var $member;
@ -56,7 +60,8 @@ class organizer
var $sent_by;
}
class vCalendar_time {
class vCalendar_time
{
var $year;
var $month;
var $mday;
@ -67,11 +72,18 @@ class vCalendar_time {
var $allday = False;
}
class rrule
{
var $freq;
var $enddate;
var $interval;
var $count;
var $wkst;
var $byday;
}
class vCalendar_event
{
var $prodid;
var $version;
var $method;
var $type;
var $attendee = Array();
var $organizer;
@ -85,22 +97,36 @@ class vCalendar_event
var $description;
var $summary;
var $priority;
var $class;
var $class = PUBLIC;
var $rrule;
}
class vCal
{
var $prodid;
var $version;
var $method;
var $event = Array();
}
class vCalendar
{
var $event;
var $vcal;
function splitdate($value)
{
$dtime = new vCalendar_time;
if(strpos($value,':'))
{
$pos = explode(':',$value);
$value = $pos[1];
}
$dtime->year = intval(substr($value,0,4));
$dtime->month = intval(substr($value,5,2));
$dtime->mday = intval(substr($value,7,2));
$dtime->hour = intval(substr($value,10,2));
$dtime->min = intval(substr($value,12,2));
$dtime->sec = intval(substr($value,14,2));
$dtime->month = intval(substr($value,4,2));
$dtime->mday = intval(substr($value,6,2));
$dtime->hour = intval(substr($value,9,2));
$dtime->min = intval(substr($value,11,2));
$dtime->sec = intval(substr($value,13,2));
return $dtime;
}
@ -120,12 +146,13 @@ class vCalendar
}
}
function set_var_subtype(&$event,$majortype,$subtype,$value)
function set_var(&$event,$type,$value)
{
if($value != False)
{
$event->${strtolower($majortype)}->${strtolower($subtype)} = $value;
}
// if($value != False)
// {
$type = strtolower($type);
$event->$type = $value;
// }
}
function unfold(&$vcal_text,$current_line)
@ -136,14 +163,13 @@ class vCalendar
{
$vcal_text[$current_line] = str_replace("\r\n",'',$vcal_text[$current_line]);
$vcal_text[$current_line] .= substr($vcal_text[$next_line + 1],1);
$next_line++;
}
if($next_line != $current_line)
{
for($i=$next_line;$i>$current_line;$i--)
$i = $next_line + 1;
while($i + 1 <= count($vcal_text))
{
unset($vcal_text[$i]);
$vcal_text[$i] = $vcal_text[$i + 1];
$i++;
}
$next_line++;
}
}
@ -169,16 +195,66 @@ class vCalendar
}
}
function parse_attendee(&$event,$value)
{
$param = explode(':',$value);
for($j=0;$j<count($param);$j++)
{
if(strpos($param[$j],'='))
{
$type = explode('=',$param[$j]);
$this->set_var($event,$type[0],$this->strip_quotes($type[1]));
}
else
{
if(strpos($param[$j],'@'))
{
$this->set_var($event,'mailto',$this->split_address($param[$j]));
}
else
{
switch(strtolower($param[$j]))
{
case 'mailto':
$email_addy = $param[$j + 1];
$this->set_var($event,$param[$j++],$this->split_address($email_addy));
break;
default:
$var = $this->strip_param($this->strip_quotes($param[$j + 1]));
$this->set_var($event,$param[$j++],$var);
break;
}
}
}
}
}
function parse_recurrence(&$event,$value)
{
$param = explode(';',$value);
for($j=0;$j<count($param);$j++)
{
if(strpos($param[$j],'='))
{
$type = explode('=',$param[$j]);
$type[0] = strtolower($type[0]);
$type[1] = $this->strip_quotes($type[1]);
$this->set_var($event,$type[0],$type[1]);
}
}
}
function read($vcal_text)
{
for($i=0;$i<count($vcal_text);$i++)
$i = 0;
while(chop($vcal_text[$i]) != '')
{
if(strlen($vcal_text[$i]) > 75)
{
continue;
}
// if(strlen($vcal_text[$i]) > 75)
// {
// continue;
// }
unfold($vcal_text,$i);
$this->unfold($vcal_text,$i);
// Example #1
//vcal_text[$i] = 'BEGIN:VCALENDAR'
@ -202,13 +278,13 @@ class vCalendar
// When unfolded becomes,
//vcal_text[$i] = 'UID:040000008200E00074C5B7101A82E0080000000040A12C0042A2C0010000000000000000100000009BDFF7C7650ED5118DD700805FA71291'
$colon = pos($vcal_text[$i],':');
$colon = strpos($vcal_text[$i],':');
if($colon == 0)
{
$colon = 65535;
}
$semi_colon = pos($vcal_text[$i],';');
$semi_colon = strpos($vcal_text[$i],';');
if($semi_colon == 0)
{
$semi_colon = 65535;
@ -221,94 +297,87 @@ class vCalendar
else
{
$min_value = min($colon,$semi_colon);
$majortype = substr($vcal_text[$i],0,$min_value - 1);
$vcal_text[$i] = substr($vcal_text[$i],$min_value + 1);
$majortype = strtolower(substr($vcal_text[$i],0,$min_value));
$vcal_text[$i] = chop(substr($vcal_text[$i],$min_value + 1));
$value = $vcal_text[$i];
}
switch(strtolower($majortype))
switch($majortype)
{
case 'begin':
$event = new vCalendar_event;
if($value != 'VCALENDAR')
switch(strtolower($value))
{
$event->type = $value;
case 'vcalendar':
$vcal = new vCal;
break;
case 'vevent':
$event = new vCalendar_event;
$event->type = strtolower($value);
break;
}
break;
/*
case 'prodid':
$this->set_var($vcal,$majortype,$value);
break;
case 'version':
$this->set_var($vcal,$majortype,$value);
break;
case 'method':
$this->set_var($vcal,$majortype,$value);
break;
case 'attendee':
$attendee = new attendee;
$att_data = explode(';',substr($vcal_text[$i],9,strlen($vcal_text[$i])));
$c_att_data = count($att_data);
for($k=0;$k<$c_att_data;$k++)
{
if(strpos($att_data[$k],':'))
{
}
elseif(strpos($att_data[$k],'='))
{
$att_att = explode('=',$att_data[$k])
}
}
$attendee = new $majortype;
$this->parse_attendee($attendee,$value);
$event->attendee[] = $attendee;
unset($attendee);
break;
*/
case 'organizer':
$event->${strtolower($majortype)} = new ${strtolower($majortype)};
$param = explode(':',$value);
for($j=0;$j<count($param);$j++)
{
if(strpos($param[$j],'='))
{
$subtype = explode('=',$param[$j]);
$this->set_var_subtype($event,$majortype,$subtype[0],$this->strip_quotes($subtype[1]));
}
else
{
if(strpos($param[$j],'@'))
{
$this->set_var_subtype($event,$majortype,'mailto',$this->split_address($param[$j]));
}
else
{
switch(strtolower($param[$j]))
{
case 'mailto':
$email_addy = $param[$j + 1];
$this->set_var_subtype($event,$majortype,$param[$j++],$this->split_address($email_addy));
break;
default:
$var = $this->strip_param($this->strip_quotes($param[$j + 1]));
$this->set_var_subtype($event,$majortype,$param[$j++],$var);
break;
}
}
}
}
$event->$majortype = new $majortype;
$this->parse_attendee($event->$majortype,$value);
break;
case 'end':
switch(strtolower($value))
{
case 'vevent':
$this->event[] = $event;
unset($event);
break;
case 'vcalendar':
$this->vcal = $vcal;
$this->vcal->event = $this->event;
break 2;
}
break;
case 'dtstart':
case 'dtend':
case 'dtstamp':
$event->${strtolower($majortype)} = new vCalendar_time;
$event->${strtolower($majortype)} = $this->splitdate($value);
$this->set_var($event,$majortype,$this->splitdate($value));
break;
// case 'class':
// switch(strtolower($value))
// {
// case 'private':
// $var = PRIVATE;
// break;
// case 'public':
// $var = PUBLIC;
// break;
// case 'confidential':
// $var = CONFIDENTIAL;
// break;
// }
// $this->set_var($event,$majortype,$var);
// break;
case 'rrule':
$event->$majortype = new $majortype;
$this->parse_recurrence($event->$majortype,$value);
break;
default:
$event->${strtolower($majortype)} = $value;
$this->set_var($event,$majortype,$value);
break;
}
$i++;
}
return $this->vcal;
}
}
?>