131 lines
2.8 KiB
Prolog
131 lines
2.8 KiB
Prolog
#!/usr/bin/perl
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use XML::DOM;
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use strict;
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# get the first element under a node of the given tag
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# @param node: node under which to look for elements
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# @param tag: the tage to look for
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# @return: first element under node with the given tag
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sub subvalue($$)
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{
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my ($class, $tag) = @_;
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return value($class->getElementsByTagName($tag)->item(0));
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}
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# get the node value of the first child of a given node
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# @param node: whose child to use
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# @return: node value of given node's first child
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sub value($)
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{
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my ($class) = @_;
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if (undef == $class) { return undef; }
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my $child = $class->getFirstChild();
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if (undef == $child) {
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return undef;
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}
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return $child->getNodeValue();
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}
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print <<END_OF_FILE;
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BEGIN:VCALENDAR
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VERSION:2.0
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X-WR-CALNAME:University of Waterloo Computer Science Club
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PRODID:-//Apple Computer\, Inc//iCal 2.0//EN
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X-WR-RELCALID:3359A191-B19E-4B53-BADC-DFC084FC51C9
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X-WR-TIMEZONE:Canada/Eastern
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CALSCALE:GREGORIAN
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METHOD:PUBLISH
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BEGIN:VTIMEZONE
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TZID:Canada/Eastern
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LAST-MODIFIED:20060912T200739Z
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BEGIN:DAYLIGHT
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DTSTART:20060301T070000
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TZOFFSETTO:-0400
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TZOFFSETFROM:+0000
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TZNAME:EDT
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END:DAYLIGHT
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BEGIN:STANDARD
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DTSTART:20061029T020000
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TZOFFSETTO:-0500
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TZOFFSETFROM:-0400
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TZNAME:EST
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END:STANDARD
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BEGIN:DAYLIGHT
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DTSTART:20070311T010000
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TZOFFSETTO:-0400
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TZOFFSETFROM:-0500
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TZNAME:EDT
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END:DAYLIGHT
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END:VTIMEZONE
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END_OF_FILE
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my $parser = XML::DOM::Parser->new();
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my $doc = $parser->parsefile($ARGV[0]);
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my @events = $doc->getElementsByTagName("eventitem");
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foreach my $event (@events) {
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my $date = $event->getAttribute("date");
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my $time = $event->getAttribute("time");
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my $talk_title = $event->getAttribute("title");
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$talk_title =~ s/[:;,]//g;
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my $room = $event->getAttribute("room");
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my $short = subvalue($event, "short");
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$short =~ s/[:;,]//g;
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my $abstract = $event->getElementsByTagName("abstract")->item(0)->toString();
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my $ical_date = `date -d"$date" +%Y%m%d`;
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chomp $ical_date;
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my ($ical_start, $ical_end);
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if ($time =~ /(.*)-(.*)/) {
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$ical_start = ical_time($1);
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$ical_end = ical_time($2);
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} else {
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$ical_start = ical_time($time);
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$ical_end = ical_time("$time + 1 hour");
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}
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$abstract =~ s/<abstract>//;
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$abstract =~ s/<\/abstract>//;
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$abstract =~ s/\n/ /sg;
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my $ical_abstract = "\"$abstract\"";
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sub ical_time {
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my ($ds) = @_;
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my $d = `date -d"$ds" +\%H\%M\%S`;
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chomp $d;
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return $d;
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}
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print <<END_OF_EVENT;
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BEGIN:VEVENT
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LOCATION:University of Waterloo - $room
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DTSTAMP:20060912T200708Z
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UID:${ical_date}T${ical_start}\@csclub.uwaterloo.ca
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SEQUENCE:11
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DTSTART;TZID=Canada/Eastern:${ical_date}T${ical_start}
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DTEND;TZID=Canada/Eastern:${ical_date}T${ical_end}
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SUMMARY:<a href=http://www.csclub.uwaterloo.ca>$talk_title</a> -- $short
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DESCRIPTION:$ical_abstract
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END:VEVENT
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END_OF_EVENT
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}
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print "END:VCALENDAR\n";
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