NAME
iCal::Parser::SAX - Generate SAX events from an iCalendar
SYNOPSIS
use iCal::Parser::SAX;
my $parser=iCal::Parser::SAX->new(Handler=>SAXHandler,%args);
$parser->parse_uri($file);
$parser->parse_uris(@files);
DESCRIPTION
This module uses iCal::Parser to generates SAX events for the calendar
contents.
The xml document generated is designed for creating monthly calendars
with weeks beginning on monday (e.g., by passing the output through an
xsl styleheet).
The basic structure of the generated document (if output through a
simple output handler like `XML::SAX::Writer'), is as follows:
<ical>
<calendars>
<calendar id="cal-id" index="n" name="..." description="..."/>
</calendars>
<events>
<year year="YYYY">
<month month="[1-12]">
<week week="n">
<day date="YYYY-MM-DD">
<event uid="event-id" idref="cal-id" [all-day="1"]>
<!-- ... -->
</event>
</day>
</week>
</month>
</events>
<todos>
<todo idref="cal-id" uid="...">
<!--- ... -->
</todo>
</todos>
</ical>
Along with basics, such as converting calendar attributes to lowercase
elements (e.g., a `DTSTART' attribute in the input would generate a sax
event like `element({Name=''dtstart'})>), a number of other processes
occur:
* `day' elements are are generated for each date within the months
from the first month in the input to the last, even if there are no
calendar events on that day. This guarantees a complete calendar
month for further processing. If there is an overlap between two or
more events, the attribute `conflict', containing the number of
concurrent overlaps, is added to the element.
* If the beginning or end of the month does not start on a monday, or
end on a sunday, the days from the previous (next) month month are
duplicated within the first (last) week of the current month,
including duplicate copies of any calendar events occuring on those
days. This allows for displaying a monthly calendar the same way a
program such as Apple's iCal would, with calendar events showing up
if they fall within the overlapping days in the first or last week
of a monthly calendar.
METHODS
Along with the standard SAX parsing methods `parse_uri', `parse_file',
etc.), the following methods are supported.
new(%args)
Create a new SAX parser. All arguments other than `Handler' and
`no_escape' are passed to iCal::Parser.
Arguments
Handler
The SAX handler.
no_escape
If not set, quotes, ampersands and apostrophes are converted to
entites. In any case < is converted to an entity, `\\n' is converted
to the return entity and double backslashes (`\\') are removed.
parse_uris(@uris)
Pass all the input uris to `iCal::Parser' and generate a combined output
calendar.
parse_hash($hash)
Parse the hash returned from iCal::Parser::calendar directly.
AUTHOR
Rick Frankel,
[email protected]
COPYRIGHT
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
The full text of the license can be found in the LICENSE file included
with this module.
SEE ALSO
iCal::Parser, XML::SAX::Base
