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03 Jan 2020 14:27:46 UTC
- Distribution: Data-ICal
- Module version: 0.24
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- License: perl_5
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- Class::Accessor
- Class::ReturnValue
- MIME::QuotedPrint
- Text::vFile::asData
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NAME
Data::ICal - Generates iCalendar (RFC 2445) calendar files
SYNOPSIS
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;
DESCRIPTION
A Data::ICal object represents a
VCALENDAR
object 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.)
Data::ICal is a subclass of Data::ICal::Entry; see its manpage for more methods applicable to Data::ICal.
METHODS
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
vcal10
flag 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.
If the
rfc_strict
flag is set to true, will require Data::ICal to include UIDs, as per RFC2445:4.8.4.7 Unique Identifier ... The property MUST be specified in the "VEVENT", "VTODO", "VJOURNAL" or "VFREEBUSY" calendar components"
If the
auto_uid
flag 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
VERSION
andPRODID
properties to "2.0" (or "1.0" if thevcal10
flag is passed) and the value of theproduct_id
method respectively.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
error_message
.parse [ data => $data, ] [ filename => $file, ]
Parse a
.ics
file or string containing one, and populate$self
with its contents.Should only be called once on a given object, and will be automatically called by
new
if you provide arguments tonew
.Returns
$self
on 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 itserror_message
.ical_entry_type
Returns
VCALENDAR
, its iCalendar entry name.product_id
Returns the product ID used in the calendar's
PRODID
property; you may wish to override this in a subclass for your own application.mandatory_unique_properties
According to the iCalendar standard, the following properties must be specified exactly one time for a calendar:
prodid version
optional_unique_properties
According to the iCalendar standard, the following properties may be specified at most one time for a calendar:
calscale method
DEPENDENCIES
Data::ICal requires Class::Accessor, Text::vFile::asData, MIME::QuotedPrint, and Class::ReturnValue.
BUGS AND LIMITATIONS
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
bug-data-ical@rt.cpan.org
, or through the web interface at http://rt.cpan.org.AUTHOR
Best Practical Solutions, LLC <modules@bestpractical.com>
LICENCE AND COPYRIGHT
Copyright (c) 2005 - 2020, 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.
Module Install Instructions
To install Data::ICal, copy and paste the appropriate command in to your terminal.
cpanm Data::ICal
perl -MCPAN -e shell install Data::ICal
For more information on module installation, please visit the detailed CPAN module installation guide.