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Enhanced parsing of vCalendar's. More options.

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This commit is contained in:
skeeter 2001-07-02 03:31:13 +00:00
parent e93eb90d38
commit 82112ffa92
3 changed files with 299 additions and 140 deletions
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36
calendar/ical_test.php
View File

@ -33,19 +33,34 @@
{
echo "<br>\nEVENT<br>\n";
echo "Summary = ".$vcalendar->event[$i]->summary."<br>\n";
echo "Description = ".$vcalendar->event[$i]->description."<br>\n";
if($vcalendar->event[$i]->description->value)
{
echo "Description (Value) = ".$vcalendar->event[$i]->description->value."<br>\n";
}
if($vcalendar->event[$i]->description->altrep)
{
echo "Description (Alt Rep) = ".$vcalendar->event[$i]->description->altrep."<br>\n";
}
echo "Location = ".$vcalendar->event[$i]->location."<br>\n";
echo "Sequence = ".$vcalendar->event[$i]->sequence."<br>\n";
echo "Date Start : ".$phpgw->common->show_date(mktime($vcalendar->event[$i]->dtstart->hour,$vcalendar->event[$i]->dtstart->min,$vcalendar->event[$i]->dtstart->sec,$vcalendar->event[$i]->dtstart->month,$vcalendar->event[$i]->dtstart->mday,$vcalendar->event[$i]->dtstart->year) - $phpgw->calendar->datatime->tz_offset)."<br>\n";
echo "Class = ".$vcal->switch_class($vcalendar->event[$i]->class)."<br>\n";
echo "Organizer = ".$vcalendar->event[$i]->organizer->mailto->user.'@'.$vcalendar->event[$i]->organizer->mailto->host."<br>\n";
if($vcalendar->event[$i]->organizer->dir)
{
echo "Organizer Dir = ".$vcalendar->event[$i]->organizer->dir."<br>\n";
}
for($j=0;$j<count($vcalendar->event[$i]->attendee);$j++)
{
echo "Attendee[$j] CN = ".$vcalendar->event[$i]->attendee[$j]->cn."<br>\n";
echo "Attendee[$j] Address= ".$vcalendar->event[$i]->attendee[$j]->mailto->user.'@'.$vcalendar->event[0]->attendee[$j]->mailto->host."<br>\n";
echo "Attendee[$j] Role = ".$vcal->switch_role($vcalendar->event[$i]->attendee[$j]->role)."<br>\n";
echo "Attendee[$j] RSVP = ".$vcal->switch_rsvp($vcalendar->event[$i]->attendee[$j]->rsvp)."<br>\n";
// echo "Attendee[$j] RSVP = ".$vcalendar->event[$i]->attendee[$j]->rsvp."<br>\n";
echo "<br>\nAttendee[$j] CN = ".$vcalendar->event[$i]->attendee[$j]->cn."<br>\n";
if($vcalendar->event[$i]->attendee[$j]->dir)
{
echo "Attendee[$j] Dir = ".$vcalendar->event[$i]->attendee[$j]->dir."<br>\n";
}
echo "Attendee[$j] Address = ".$vcalendar->event[$i]->attendee[$j]->mailto->user.'@'.$vcalendar->event[0]->attendee[$j]->mailto->host."<br>\n";
echo "Attendee[$j] Role = ".$vcal->switch_role($vcalendar->event[$i]->attendee[$j]->role)."<br>\n";
echo "Attendee[$j] RSVP = ".$vcal->switch_rsvp($vcalendar->event[$i]->attendee[$j]->rsvp)."<br>\n";
// echo "Attendee[$j] RSVP = ".$vcalendar->event[$i]->attendee[$j]->rsvp."<br>\n";
if($vcalendar->event[$i]->attendee[$j]->delegated_from->user && $vcalendar->event[$i]->attendee[$j]->delegated_from->host)
{
echo "Attendee[$j] DELEGATED_FROM = ".$vcalendar->event[$i]->attendee[$j]->delegated_from->user.'@'.$vcalendar->event[$i]->attendee[$j]->delegated_from->host."<br>\n";
@ -56,7 +71,14 @@
{
echo "<br>\nTODO<br>\n";
echo "Summary = ".$vcalendar->todo[$i]->summary."<br>\n";
echo "Description = ".$vcalendar->todo[$i]->description."<br>\n";
if($vcalendar->todo[$i]->description->value)
{
echo "Description (Value) = ".$vcalendar->todo[$i]->description->value."<br>\n";
}
if($vcalendar->todo[$i]->description->altrep)
{
echo "Description (Alt Rep) = ".$vcalendar->todo[$i]->description->altrep."<br>\n";
}
echo "Location = ".$vcalendar->todo[$i]->location."<br>\n";
echo "Sequence = ".$vcalendar->todo[$i]->sequence."<br>\n";
echo "Date Start : ".$phpgw->common->show_date(mktime($vcalendar->todo[$i]->dtstart->hour,$vcalendar->todo[$i]->dtstart->min,$vcalendar->todo[$i]->dtstart->sec,$vcalendar->todo[$i]->dtstart->month,$vcalendar->todo[$i]->dtstart->mday,$vcalendar->todo[$i]->dtstart->year) - $phpgw->calendar->datatime->tz_offset)."<br>\n";

398
calendar/inc/class.vCalendar.inc.php
View File

@ -12,7 +12,7 @@
/* $Id$ */
define('FOLD_LENGTH',79);
define('FOLD_LENGTH',75);
define('VEVENT',1);
define('VTODO',2);
@ -44,6 +44,9 @@ define('CONFIDENTIAL',3);
define('TRANSPARENT',0);
define('OPAQUE',1);
define('_8BIT',0);
define('_BASE64',1);
define('OTHER',99);
class mailto
@ -55,6 +58,7 @@ class mailto
class attendee
{
var $cn = 'Unknown';
var $dir;
var $cutype = INDIVIDUAL;
var $role = REQ_PARTICIPANT;
var $rsvp = 0;
@ -66,18 +70,6 @@ class attendee
var $partstat = NEEDS_ACTION;
}
class organizer
{
var $cn;
var $cutype = INDIVIDUAL;
var $delegated_from;
var $delegated_to;
var $member;
var $partstat = NEEDS_ACTION;
var $mailto;
var $sent_by;
}
class vCalendar_time
{
var $year;
@ -100,6 +92,15 @@ class rrule
var $byday;
}
class class_text
{
var $cid;
var $fmttype;
var $encoding;
var $altrep;
var $value;
}
class vCalendar_item
{
var $type;
@ -110,6 +111,7 @@ class vCalendar_item
var $location;
var $transp = OPAQUE;
var $sequence;
var $attach;
var $uid;
var $dtstamp;
var $description;
@ -210,12 +212,7 @@ class vCalendar
function fold($str)
{
// $temp_str = $str;
// if(strlen($str) > FOLD_LENGTH)
// {
return chunk_split($str,FOLD_LENGTH,"\n");
// }
// return $temp_str;
return chunk_split($str,FOLD_LENGTH,"\r\n");
}
function strip_quotes($str)
@ -236,6 +233,146 @@ class vCalendar
}
}
function split_param(&$return_value,$str,$check_equal)
{
if($check_equal)
{
$str_len = strlen($str);
$i = 0;
$found = False;
while($i < $str_len)
{
$char = substr($str,$i,1);
if(ereg("^[\=\:]",$char))
{
$found = True;
$ret_str = rawurldecode(substr($str,0,$i));
$return_value[] = $ret_str;
$ret_array = $this->explode_param(substr($str,$i + 1),'"',False);
while(list($key,$value) = each($ret_array))
{
$return_value[] = rawurldecode($value);
}
$i = $str_len;
}
$i++;
}
if(!$found)
{
$return_value[] = rawurldecode($str);
}
}
else
{
$return_value[] = rawurldecode($str);
}
}
function explode_param($str,$enclosure,$check_equal)
{
$enclosure_found = 0;
$start = 0;
$return_value = Array();
$str_len = strlen($str);
for($i=0;$i<$str_len;$i++)
{
$char = substr($str,$i,1);
if($char == $enclosure)
{
$enclosure_found = (~ $enclosure_found);
}
elseif(ereg("^[\;\:]",$char))
{
if(! $enclosure_found)
{
$this->split_param($return_value,substr($str,$start,($i - $start)),$check_equal);
$start = $i + 1;
}
}
}
if(! $enclosure_found)
{
$this->split_param($return_value,substr($str,$start,($i - $start)),$check_equal);
}
return $return_value;
}
function parse_text(&$event,$value)
{
echo "VALUE = ".$value."<br>\n";
$return_value = $this->explode_param($value,'"',True);
if(count($return_value) > 0)
{
for($i=0;$i<count($return_value);$i=$i + 2)
{
$type[0] = $return_value[$i];
$type[1] = $this->strip_quotes($return_value[$i+1]);
switch(strtolower($type[0]))
{
case 'altrep':
case 'fmttype':
case 'cid':
echo "Setting ".$type[0]." = ".$type[1]."<br>\n";
$this->set_var($event,strtolower($type[0]),$type[1]);
break;
case 'encoding':
echo "Setting ".$type[0]." = ".$type[1]."<br>\n";
$this->set_var($event,strtolower($type[0]),$this->switch_encoding($type[1]));
break;
case 'value':
break;
default:
echo "Setting value(0) = ".$type[0]."<br>\n";
$this->set_var($event,'value',$type[0]);
break;
}
}
}
elseif($value <> '\n')
{
echo "Setting value(text) = ".$value."<br>\n";
$this->set_var($event,'value',$value);
}
}
function switch_encoding($var)
{
if(gettype($var) == 'string')
{
switch($var)
{
case '8BIT':
return _8BIT;
break;
case 'BASE64':
return _BASE64;
break;
default:
return OTHER;
break;
}
}
elseif(gettype($var) == 'integer')
{
switch($var)
{
case _8BIT:
return '8BIT';
break;
case _BASE64:
return 'BASE64';
break;
case OTHER:
return 'OTHER';
break;
}
}
else
{
return $var;
}
}
function switch_role($var)
{
if(gettype($var) == 'string')
@ -456,90 +593,34 @@ class vCalendar
function parse_attendee(&$event,$value)
{
$param = explode(':',$value);
// Here down needs to be faster....
$j = 0;
while($j<count($param))
{
if(strpos(' '.$param[$j],'DELEGATED-'))
{
$param[$j] .= ':'.$param[$j + 1];
$i = j + 1;
while($i + 1 <= count($param))
{
$param[$i] = $param[$i + 1];
$i++;
}
}
$j++;
}
// Here up needs to be faster....
$param = $this->explode_param($value,'"',True);
// $j = 0;
// while(($j - 1)<count($param))
// {
// if(strpos(' '.$param[$j],'DELEGATED-'))
// {
// $param[$j] .= ':'.$param[$j + 1];
// unset($param[$j + 1]);
// }
// $j++;
// }
for($j=0;$j<count($param);$j++)
for($j=0;$j<count($param);$j += 2)
{
$param_sub = explode(';',$param[$j]);
for($k=0;$k<count($param_sub);$k++)
$type[0] = strtolower($param[$j]);
$type[1] = $this->strip_quotes($param[$j+1]);
switch($type[0])
{
if(strpos($param_sub[$k],'='))
{
$type = explode('=',$param_sub[$k]);
$type[0] = strtolower($type[0]);
$type[1] = $this->strip_quotes($type[1]);
switch($type[0])
{
case 'role':
$val = $this->switch_role($type[1]);
break;
case 'partstat':
$val = $this->switch_partstat($type[1]);
break;
case 'rsvp':
$val = $this->switch_rsvp($type[1]);
break;
case 'delegated-from':
case 'delegated-to':
$type[0] = str_replace('-','_',$type[0]);
$val = $this->split_address($type[1]);
break;
default:
$val = $type[1];
break;
}
$this->set_var($event,$type[0],$val);
}
else
{
if(strpos($param_sub[$k],'@'))
{
$this->set_var($event,'mailto',$this->split_address($param_sub[$k]));
}
else
{
switch(strtolower($param_sub[$k]))
{
case 'mailto':
$email_addy = $param_sub[$k + 1];
$this->set_var($event,$param_sub[$k++],$this->split_address($email_addy));
break;
default:
$var = $this->strip_param($this->strip_quotes($param_sub[$k + 1]));
$this->set_var($event,$param_sub[$k++],$var);
break;
}
}
}
case 'role':
$val = $this->switch_role($type[1]);
break;
case 'partstat':
$val = $this->switch_partstat($type[1]);
break;
case 'rsvp':
$val = $this->switch_rsvp($type[1]);
break;
case 'delegated-from':
case 'delegated-to':
case 'mailto':
$type[0] = str_replace('-','_',$type[0]);
$val = $this->split_address($type[1]);
break;
default:
$val = $type[1];
break;
}
$this->set_var($event,$type[0],$val);
}
}
@ -575,6 +656,8 @@ class vCalendar
$this->unfold($vcal_text,$i);
$vcal_text[$i] = str_replace("\r\n",'',$vcal_text[$i]);
// Example #1
//vcal_text[$i] = 'BEGIN:VCALENDAR'
@ -585,7 +668,7 @@ class vCalendar
//vcal_text[$i] = 'ATTENDEE;CN="John Doe";ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:john.doe@somewhere.com'
// Example #4
//vcal_text[$i] = 'ORGANIZER:MAILTO:jim.smith@elsewhere.com'
//vcal_text[$i] = 'ORGANIZER;DIR="ldap://host.com:6666/o=eDABC%20Industries,c=3DUS??(cn=3DBJim%20Dolittle)":MAILTO:John.Doe@somewhere.com'
// Example #5
//vcal_text[$i] = 'DTSTART:20010302T150000Z'
@ -597,6 +680,7 @@ class vCalendar
// When unfolded becomes,
//vcal_text[$i] = 'UID:040000008200E00074C5B7101A82E0080000000040A12C0042A2C0010000000000000000100000009BDFF7C7650ED5118DD700805FA71291'
echo "LINE : ".$vcal_text[$i]."<br>\n";
$colon = strpos($vcal_text[$i],':');
if($colon == 0)
{
@ -634,10 +718,6 @@ class vCalendar
$event = new vCalendar_item;
$event->type = strtolower($value);
break;
// case 'vtodo':
// $event = new vCalendar_item;
// $event->type = strtolower($value);
// break;
}
break;
case 'prodid':
@ -645,14 +725,26 @@ class vCalendar
case 'method':
$this->set_var($vcal,$majortype,$value);
break;
case 'description':
echo "Setting Description!<br>\n";
$event->$majortype = new class_text;
$this->parse_text($event->$majortype,$value);
break;
case 'attach':
echo "Setting Attachment!<br>\n";
$attach = new class_text;
$this->parse_text($attach,$value);
$event->attach[] = $attach;
unset($attach);
break;
case 'attendee':
$attendee = new $majortype;
$attendee = new attendee;
$this->parse_attendee($attendee,$value);
$event->attendee[] = $attendee;
unset($attendee);
break;
case 'organizer':
$event->$majortype = new $majortype;
$event->$majortype = new attendee;
$this->parse_attendee($event->$majortype,$value);
break;
case 'end':
@ -700,10 +792,14 @@ class vCalendar
function out_organizer_attendee($event)
{
$str = '';
if(!empty($event->cn))
if(!empty($event->cn) && $event->cn <> 'Unknown')
{
$str .= ';CN="'.$event->cn.'"';
}
if(!empty($event->dir))
{
$str .= ';DIR="'.str_replace(' ','%20',$event->dir).'"';
}
if(!empty($event->role))
{
$str .= ';ROLE='.$this->switch_role($event->role);
@ -714,11 +810,11 @@ class vCalendar
}
if(!empty($event->delegated_from->user) && !empty($event->delegated_from->host))
{
$str .= ';DELEGATED-FROM:MAILTO:"'.$event->delegated_from->user.'@'.$event->delegated_from->host.'"';
$str .= ';DELEGATED-FROM="MAILTO:'.$event->delegated_from->user.'@'.$event->delegated_from->host.'"';
}
if(!empty($event->delegated_to->user) && !empty($event->delegated_to->host))
{
$str .= ';DELEGATED-TO:MAILTO:"'.$event->delegated_to->user.'@'.$event->delegated_to->host.'"';
$str .= ';DELEGATED-TO="MAILTO:'.$event->delegated_to->user.'@'.$event->delegated_to->host.'"';
}
if(!empty($event->mailto->user) && !empty($event->mailto->host))
{
@ -727,10 +823,42 @@ class vCalendar
return $str;
}
function build_text($event)
{
$str = '';
if(!empty($event->cid))
{
$str .= ';CID="'.$event->cid.'"';
}
if(!empty($event->altrep))
{
$str .= ';ALTREP="'.$event->altrep.'"';
}
if(!empty($event->fmttype))
{
$str .= ';FMTTYPE='.$event->fmttype;
}
if(!empty($event->encoding))
{
$str .= ';ENCODING='.$this->switch_encoding($event->encoding);
}
if(!empty($event->value))
{
$str .= ':'.$event->value;
}
else
{
$str .= ':\n';
}
echo "TEXT = ".$str."<br>\n";
return $str;
}
function build_card_internals($event)
{
$str .= 'DTSART:'.sprintf("%4d%02d%02dT%02d%02d%02dZ",$event->dtstart->year,$event->dtstart->month,$event->dtstart->mday,$event->dtstart->hour,$event->dtstart->min,$event->dtstart->sec)."\n";
$str .= 'DTEND:'.sprintf("%4d%02d%02dT%02d%02d%02dZ",$event->dtend->year,$event->dtend->month,$event->dtend->mday,$event->dtend->hour,$event->dtend->min,$event->dtend->sec)."\n";
$str = 'DTSART:'.sprintf("%4d%02d%02dT%02d%02d%02dZ",$event->dtstart->year,$event->dtstart->month,$event->dtstart->mday,$event->dtstart->hour,$event->dtstart->min,$event->dtstart->sec)."\r\n";
$str .= 'DTEND:'.sprintf("%4d%02d%02dT%02d%02d%02dZ",$event->dtend->year,$event->dtend->month,$event->dtend->mday,$event->dtend->hour,$event->dtend->min,$event->dtend->sec)."\r\n";
// Still need to build recurrence portion......
iF(!empty($event->location))
{
@ -738,25 +866,25 @@ class vCalendar
}
else
{
$str .= 'LOCATION:\n'."\n";
$str .= 'LOCATION:\n'."\r\n";
}
$str .= 'TRANSP:'.$this->switch_transp($event->transp)."\n";
$str .= 'TRANSP:'.$this->switch_transp($event->transp)."\r\n";
if(!empty($event->sequence))
{
$str .= 'SEQUENCE:'.$event->sequence."\n";
$str .= 'SEQUENCE:'.$event->sequence."\r\n";
}
if(!empty($event->uid))
{
$str .= $this->fold('UID:'.$event->uid);
}
$str .= 'DTSTAMP:'.gmdate('Ymd\THms\Z')."\n";
$str .= 'DTSTAMP:'.gmdate('Ymd\THms\Z')."\r\n";
if(!empty($event->description))
{
$str .= $this->fold('DESCRIPTION:'.$event->description);
$str .= $this->fold('DESCRIPTION'.$this->build_text($event->description));
}
else
{
$str .= 'DESCRIPTION:\n'."\n";
$str .= 'DESCRIPTION:\n'."\r\n";
}
if(!empty($event->summary))
{
@ -764,55 +892,63 @@ class vCalendar
}
else
{
$str .= 'SUMMARY:\n'."\n";
$str .= 'SUMMARY:\n'."\r\n";
}
if(!empty($event->priority))
{
$str .= 'PRIORITY:'.$event->priority."\n";
$str .= 'PRIORITY:'.$event->priority."\r\n";
}
$str .= 'CLASS:'.$this->switch_class($event->class)."\r\n";
if(!empty($event->attach))
{
for($i=0;$i<count($event->attach);$i++)
{
$str .= $this->fold('ATTACH'.$this->build_text($event->atttach[$i]));
}
}
$str .= 'CLASS:'.$this->switch_class($event->class)."\n";
return $str;
}
function build_vcal($vcal)
{
$str = 'BEGIN:VCALENDAR'."\n";
$str .= 'PRODID:'.$vcal->prodid."\n";
$str .= 'VERSION:'.$vcal->version."\n";
$str .= 'METHOD:'.$vcal->method."\n";
$str = 'BEGIN:VCALENDAR'."\r\n";
$str .= 'PRODID:'.$vcal->prodid."\r\n";
$str .= 'VERSION:'.$vcal->version."\r\n";
$str .= 'METHOD:'.$vcal->method."\r\n";
if($vcal->event)
{
for($i=0;$i<count($vcal->event);$i++)
{
$str .= 'BEGIN:VEVENT'."\n";
$str .= 'BEGIN:VEVENT'."\r\n";
for($j=0;$j<count($vcal->event[$i]->attendee);$j++)
{
$temp_attendee = $this->out_organizer_attendee($vcal->event[$i]->attendee[$j]);
if($temp_attendee)
{
$str .= 'ATTENDEE'.$temp_attendee."\n";
$str .= $this->fold('ATTENDEE'.$temp_attendee);
}
}
if(!empty($vcal->event[$i]->organizer))
{
$str .= 'ORGANIZER'.$this->out_organizer_attendee($vcal->event[$i]->organizer)."\n";
$str .= $this->fold('ORGANIZER'.$this->out_organizer_attendee($vcal->event[$i]->organizer));
}
$str .= $this->build_card_internals($vcal->event[$i]);
$str .= 'END:VEVENT'."\n";
$str .= 'END:VEVENT'."\r\n";
}
}
if($vcal->todo)
{
for($i=0;$i<count($vcal->todo);$i++)
{
$str .= 'BEGIN:VTODO'."\n";
$str .= 'BEGIN:VTODO'."\r\n";
$str .= $this->build_card_internals($vcal->todo[$i]);
$str .= 'END:VTODO'."\n";
$str .= 'END:VTODO'."\r\n";
}
}
$str .= 'END:VCALENDAR'."\n";
$str .= 'END:VCALENDAR'."\r\n";
return $str;
}

5
calendar/inc/vcal1.ics
View File

@ -6,7 +6,7 @@ BEGIN:VEVENT
ATTENDEE;CN="Doe John (Marketing)";ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:John.Doe@somewhere.com
ATTENDEE;CN="Jones Bill (IT)";ROLE=REQ-PARTICIPANT;RSVP=TRUE;DELEGATED-FROM="MAILTO:immud@host3.com":MAILTO:Bill.Jones@somewhere.com
ATTENDEE;CN="Smith Mary (PR)";ROLE=NON-PARTICIPANT;RSVP=FALSE:MAILTO:Mary.Smith@elsewhere.com
ORGANIZER:MAILTO:John.Doe@somewhere.com
ORGANIZER;DIR="ldap://host.com:6666/o=eDABC%20Industries,c=3DUS??(cn=3DBJim%20Dolittle)":MAILTO:John.Doe@somewhere.com
DTSTART:20010302T150000Z
DTEND:20010302T153000Z
LOCATION:Conference Room #2
@ -15,9 +15,10 @@ SEQUENCE:0
UID:023007208203E60074C5B7107A82E00803730C0D40A12C0042A2C001009384EA000F00B100
184029BDFF7C7650ED5118DF7028059A01231
DTSTAMP:20010301T172312Z
DESCRIPTION:\n
DESCRIPTION;ALTREP="http://www.wiz.org":The Fall'98 Wild Wizards Conference - - Las Vegas, NV, USA
SUMMARY:Web Site Redesign
PRIORITY:5
ATTACH;FMTTYPE=image/basic;ENCODING=BASE64:VALUE:TEST
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT