17 Feb 2015 07:25:45 UTC
- Distribution: Data-ICal
- Module version: 0.22
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Data::ICal - Generates iCalendar (RFC 2445) calendar files
use Data::ICal; my $calendar = Data::ICal->new(); my $vtodo = Data::ICal::Entry::Todo->new(); $vtodo->add_properties( # ... see Data::ICal::Entry::Todo documentation ); # ... or $calendar = Data::ICal->new(filename => 'foo.ics'); # parse existing file $calendar = Data::ICal->new(data => 'BEGIN:VCALENDAR...'); # parse from scalar $calendar->add_entry($vtodo); print $calendar->as_string;
A Data::ICal object represents a
VCALENDARobject as defined in the iCalendar protocol (RFC 2445, MIME type "text/calendar"), as implemented in many popular calendaring programs such as Apple's iCal.
Each Data::ICal object is a collection of "entries", which are objects of a subclass of Data::ICal::Entry. The types of entries defined by iCalendar (which refers to them as "components") include events, to-do items, journal entries, free/busy time indicators, and time zone descriptors; in addition, events and to-do items can contain alarm entries. (Currently, Data::ICal only implements to-do items and events.)
new [ data => $data, ] [ filename => $file ], [ calname => $string ], [ vcal10 => $bool ], [ rfc_strict => $bool ], [ auto_uid => $bool ]
Creates a new Data::ICal object.
If it is given a filename or data argument is passed, then this parses the content of the file or string into the object. If the
vcal10flag is passed, parses it according to vCalendar 1.0, not iCalendar 2.0; this in particular impacts the parsing of continuation lines in quoted-printable sections.
If a calname is passed, sets x-wr-calname to the given string. Although not specified in RFC2445, most calendar software respects x-wr-calname as the displayed name of the calendar.
rfc_strictflag is set to true, will require Data::ICal to include UIDs, as per RFC2445:
22.214.171.124 Unique Identifier ... The property MUST be specified in the "VEVENT", "VTODO", "VJOURNAL" or "VFREEBUSY" calendar components"
auto_uidflag is set to true, will automatically generate a default UID for each type which requires it, based on the RFC-suggested algorithm. Explicitly-set UID attributes will override this auto-generated value.
If a filename or data argument is not passed, this just sets the object's
PRODIDproperties to "2.0" (or "1.0" if the
vcal10flag is passed) and the value of the
Returns a false value upon failure to open or parse the file or data; this false value is a Class::ReturnValue object and can be queried as to its
.icsfile or string containing one, and populate
$selfwith its contents.
Should only be called once on a given object, and will be automatically called by
newif you provide arguments to
$selfon success. Returns a false value upon failure to open or parse the file or data; this false value is a Class::ReturnValue object and can be queried as to its
VCALENDAR, its iCalendar entry name.
Returns the product ID used in the calendar's
PRODIDproperty; you may wish to override this in a subclass for your own application.
According to the iCalendar standard, the following properties must be specified exactly one time for a calendar:
According to the iCalendar standard, the following properties may be specified at most one time for a calendar:
Data::ICal does not support time zone daylight or standard entries, so time zone components are basically useless.
While Data::ICal tries to check which properties are required and repeatable, this only works in simple cases; it does not check for properties that must either both exist or both not exist, or for mutually exclusive properties.
Data::ICal does not check to see if property parameter names are known in general or allowed on the particular property.
Data::ICal does not check to see if nested entries are nested properly (alarms in todos and events only, everything else in calendars only).
The only property encoding supported by Data::ICal is quoted printable.
Please report any bugs or feature requests to
firstname.lastname@example.org, or through the web interface at http://rt.cpan.org.
Best Practical Solutions, LLC <email@example.com>
Copyright (c) 2005 - 2015, Best Practical Solutions, LLC. All rights reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.