DateTime-Format-ICal-0.09/0000755000175000017500000000000010764323557015046 5ustar autarchautarchDateTime-Format-ICal-0.09/t/0000755000175000017500000000000010764323557015311 5ustar autarchautarchDateTime-Format-ICal-0.09/t/03period.t0000444000175000017500000000412610764323557017124 0ustar autarchautarch#!/usr/bin/perl -w use strict; use Test::More tests => 21; use DateTime::Format::ICal; use DateTime::Span; my $ical = 'DateTime::Format::ICal'; { my $span = $ical->parse_period( '19920405T160708Z/19930405T160708Z' ); my $dt = $span->start; is( $dt->sec, 8, "second accessor read is correct" ); is( $dt->minute, 7, "minute accessor read is correct" ); is( $dt->hour, 16, "hour accessor read is correct" ); is( $dt->day, 5, "day accessor read is correct" ); is( $dt->month, 4, "month accessor read is correct" ); is( $dt->year, 1992, "year accessor read is correct" ); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '19920405T160708Z', 'output should match input' ); $dt = $span->end; is( $dt->sec, 8, "second accessor read is correct" ); is( $dt->minute, 7, "minute accessor read is correct" ); is( $dt->hour, 16, "hour accessor read is correct" ); is( $dt->day, 5, "day accessor read is correct" ); is( $dt->month, 4, "month accessor read is correct" ); is( $dt->year, 1993, "year accessor read is correct" ); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '19930405T160708Z', 'output should match input' ); my $str = $ical->format_period( $span ); is( $str, '19920405T160708Z/19930405T160708Z', 'period as datetimes' ); $str = $ical->format_period_with_duration( $span ); # weird result, but looks correct is( $str, '19920405T160708Z/+PT31536001S', 'period as datetime and duration' ); $span = $ical->parse_period( $str ); is( $ical->format_period( $span ), '19920405T160708Z/19930405T160708Z', 'period as datetimes' ); } { my $span = $ical->parse_period( 'TZID=America/Chicago:00241121/+P2D' ); is( $ical->format_period( $span ), 'TZID=America/Chicago:00241121T000000/TZID=America/Chicago:00241123T000000', 'period as datetimes' ); is( $ical->format_period_with_duration( $span ), 'TZID=America/Chicago:00241121T000000/+PT172800S', 'period as datetime and duration' ); } DateTime-Format-ICal-0.09/t/04recurrence.t0000444000175000017500000002024110764323557017774 0ustar autarchautarch#!/usr/bin/perl -w use strict; use Test::More tests => 15; use DateTime::Format::ICal; use DateTime::Span; my $ical = 'DateTime::Format::ICal'; { # this is an example from rfc2445 my $recur = $ical->parse_recurrence( recurrence => 'freq=monthly;count=10;byday=1fr', dtstart => $ical->parse_datetime( '19970905T090000' ) ); my @r; while ( my $dt = $recur->next ) { push @r, $ical->format_datetime( $dt ); } my $s1 = join ',', @r; my $s2 = join ',', qw( 1997-09-05T09:00:00 1997-10-03T09:00:00 1997-11-07T09:00:00 1997-12-05T09:00:00 1998-01-02T09:00:00 1998-02-06T09:00:00 1998-03-06T09:00:00 1998-04-03T09:00:00 1998-05-01T09:00:00 1998-06-05T09:00:00 ); $s2 =~ s/[-:]//g; is( $s1, $s2, "recurrence parser is ok" ); } { # DTSTART;TZID=US-Eastern:19980101T090000 # RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA my $recur = $ical->parse_recurrence ( recurrence => 'FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', dtstart => $ical->parse_datetime( '19980101T090000' ) ); my @str = $ical->format_recurrence( $recur ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', 'unbounded recurrence formats ok' ); my $union = $recur->union( $ical->parse_datetime( '19980303T030303' ) ); @str = $ical->format_recurrence( $union ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RDATE:19980303T030303', 'unbounded recurrence union formats ok' ); my $recur2 = $ical->parse_recurrence ( recurrence => 'FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA', dtstart => $ical->parse_datetime( '19980101T090000' ) ); my $union2 = $recur->union( $recur2 ); @str = $ical->format_recurrence( $union2 ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA', 'union of unbounded recurrences formats ok' ); my $union3 = $union2->union( $ical->parse_datetime( '19980303T030303' ) ); @str = $ical->format_recurrence( $union3 ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RDATE:19980303T030303', 'deep union of unbounded recurrences formats ok' ); # exclude date my $exclude = $union2->union( $ical->parse_datetime( '19980303T030303' ) )->complement( $ical->parse_datetime( '19980404T040404' ) ); @str = $ical->format_recurrence( $exclude ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RDATE:19980303T030303 '. 'EXDATE:19980404T040404', 'complement of date formats ok' ); # clone keeps formatting @str = $ical->format_recurrence( $exclude->clone ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RDATE:19980303T030303 '. 'EXDATE:19980404T040404', 'clone formats ok' ); # exclude rule # exclude date + exclude rule my $exclude2 = $exclude->complement( $recur ); @str = $ical->format_recurrence( $exclude2 ); is( "@str", 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RRULE:FREQ=YEARLY;BYMONTH=2;BYDAY=SU,MO,TU,WE,TH,FR,SA '. 'RDATE:19980303T030303 '. 'EXDATE:19980404T040404 '. 'EXRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', 'complement of rule formats ok' ); # exclude date + add date should die # exclude rule + add date should die my $mixed = $exclude->union( $ical->parse_datetime( '19980303T030303' ) ); @str = ('Error'); eval { @str = $ical->format_recurrence( $mixed ); }; # should die! is( "@str", 'Error', 'exclude + complement of date cannot format' ); # date + exclude rule -- should fail my $mixed2 = DateTime::Set->from_datetimes( dates => [ $ical->parse_datetime( '19980303T030303') ] ) ->union ( $recur ); @str = ('Error'); eval { @str = $ical->format_recurrence( $mixed2 ); }; # should die! is( "@str", 'Error', 'unblessed date + recurrence cannot format' ); # blessed date + rule my $mixed3 = DateTime::Set::ICal->from_datetimes( dates => [ $ical->parse_datetime( '19980303T030303') ] ) ->union ( $recur ); @str = ('Error'); eval { @str = $ical->format_recurrence( $mixed3 ); }; # should not die! is( "@str", 'RDATE:19980303T030303 '. 'RRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', 'blessed date + recurrence formats ok' ); # blessed date + exclude rule # NOTE: this test was removed because the result of # complement is not unbounded! # # my $mixed4 = DateTime::Set::ICal->from_datetimes( # dates => [ # $ical->parse_datetime( '19980303T030303') # ] ) # ->complement ( $recur ); # @str = ('Error'); # eval { @str = $ical->format_recurrence( $mixed4 ); }; # should not die! # is( "@str", 'RDATE:19980303T030303 '. # 'EXRULE:FREQ=YEARLY;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', # 'blessed date + exclude recurrence formats ok' ); } { # another example from rfc2445 # DTSTART;TZID=US-Eastern:19980101T090000 # RRULE:FREQ=YEARLY;UNTIL=2000-01-31T09:00:00;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA my $recur = $ical->parse_recurrence ( recurrence => 'FREQ=YEARLY;UNTIL=20000131T090000Z;BYMONTH=1;BYDAY=SU,MO,TU,WE,TH,FR,SA', dtstart => $ical->parse_datetime( '19980101T090000' ) ); my @r; my @dt; for ( 1 .. 2 ) { my $dt = $recur->next; push @dt, $dt; push @r, $ical->format_datetime( $dt ); } my $s1 = join ',', @r; my $s2 = join ',', ( '1998-01-01T09:00:00', '1998-01-02T09:00:00' ); $s2 =~ s/[-:]//g; is( $s1, $s2, "recurrence parser with 'until' is ok" ); # recurrence formatter my @str = $ical->format_recurrence( @dt ); is( "@str", 'RDATE:19980101T090000,19980102T090000', 'datetime recurrence formats ok' ); # recurrence formatter - with mixed timezones $dt[0]->set_time_zone( 'UTC' ); $dt[1]->set_time_zone( 'America/Chicago' ); @str = $ical->format_recurrence( @dt ); is( "@str", 'RDATE:19980101T090000Z '. 'RDATE;TZID=America/Chicago:19980102T090000', 'datetime with time zones recurrence formats ok' ); # recurrence formatter - with spans push @dt, $recur->next; # the end time zone will be translated to # the start time zone (America/Chicago) $dt[2]->set_time_zone( 'America/New-York' ); my $spanset = DateTime::SpanSet->from_spans( spans => [ DateTime::Span->from_datetimes( start => $dt[0], end => $dt[0] ), DateTime::Span->from_datetimes( start => $dt[1], before => $dt[2]), ] ); @str = $ical->format_recurrence( $spanset ); is( "@str", 'RDATE:19980101T090000Z '. 'RDATE;VALUE=PERIOD;TZID=America/Chicago:19980102T090000/19980103T080000', 'datetime spans with time zones recurrence formats ok' ); } 1; DateTime-Format-ICal-0.09/t/01datetime.t0000444000175000017500000000554110764323557017436 0ustar autarchautarch#!/usr/bin/perl -w use strict; use Test::More tests => 37; use DateTime::Format::ICal; my $ical = 'DateTime::Format::ICal'; { my $dt = $ical->parse_datetime( '19920405T160708Z' ); is( $dt->sec, 8, "second accessor read is correct" ); is( $dt->minute, 7, "minute accessor read is correct" ); is( $dt->hour, 16, "hour accessor read is correct" ); is( $dt->day, 5, "day accessor read is correct" ); is( $dt->month, 4, "month accessor read is correct" ); is( $dt->year, 1992, "year accessor read is correct" ); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '19920405T160708Z', 'output should match input' ); } { my $dt = $ical->parse_datetime( '18700523T164702Z' ); is( $dt->year, 1870, 'Pre-epoch year' ); is( $dt->month, 5, 'Pre-epoch month' ); is( $dt->sec, 2, 'Pre-epoch seconds' ); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '18700523T164702Z', 'output should match input' ); } { my $dt = $ical->parse_datetime( '23481016T041612Z' ); is( $dt->year, 2348, "Post-epoch year" ); is( $dt->day, 16, "Post-epoch day"); is( $dt->hour, 04, "Post-epoch hour"); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '23481016T041612Z', 'output should match input' ); } { my $dt = $ical->parse_datetime( '00241121Z' ); is( $dt->year, 24, "date-only year" ); is( $dt->month, 11, "date-only month"); is( $dt->day, 21, "date-only day"); is( $dt->time_zone->name, 'UTC', 'time zone should be UTC' ); is( $ical->format_datetime($dt), '00241121T000000Z', 'output should match input (except as a datetime)' ); } { my $dt = $ical->parse_datetime( '00241121' ); is( $dt->year, 24, "date-only year" ); is( $dt->month, 11, "date-only month"); is( $dt->day, 21, "date-only day"); ok( $dt->time_zone->is_floating, 'should be floating time zone' ); is( $ical->format_datetime($dt), '00241121T000000', 'output should match input (except as a datetime)' ); } { my $dt = $ical->parse_datetime( 'TZID=America/Chicago:00241121' ); is( $dt->year, 24, "date-only year" ); is( $dt->month, 11, "date-only month"); is( $dt->day, 21, "date-only day"); is( $dt->hour, 0, "date-only hour" ); is( $dt->minute, 0, "date-only minute" ); is( $dt->second, 0, "date-only second" ); is( $dt->time_zone->name, 'America/Chicago', 'should be America/Chicago time zone' ); is( $ical->format_datetime($dt), 'TZID=America/Chicago:00241121T000000', 'output should match input (except as a datetime)' ); } { my $dt = DateTime->new( year => 1900, hour => 15, time_zone => '-0100' ); is( $ical->format_datetime($dt), '19000101T160000Z', 'offset only time zone should be formatted as UTC' ); } DateTime-Format-ICal-0.09/t/00load.t0000444000175000017500000000011510764323557016550 0ustar autarchautarchuse strict; use Test::More tests => 1; use_ok( 'DateTime::Format::ICal' ); DateTime-Format-ICal-0.09/t/02duration.t0000444000175000017500000000677110764323557017476 0ustar autarchautarch#!/usr/bin/perl -w use strict; use Test::More tests => 60; use DateTime::Format::ICal; my $ical = 'DateTime::Format::ICal'; { my $dur = $ical->parse_duration('PT3S'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 0, '0 weeks' ); is( $dur->days, 0, '0 days' ); is( $dur->hours, 0, '0 hours' ); is( $dur->minutes, 0, '0 minutes' ); is( $dur->seconds, 3, '3 seconds' ); is( $ical->format_duration($dur), '+PT3S', 'output should match input' ); } { my $dur = $ical->parse_duration('PT4H3S'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 0, '0 weeks' ); is( $dur->days, 0, '0 days' ); is( $dur->hours, 4, '4 hours' ); is( $dur->minutes, 0, '0 minutes' ); is( $dur->seconds, 3, '3 seconds' ); is( $ical->format_duration($dur), '+PT4H3S', 'output should match input' ); } { my $dur = $ical->parse_duration('PT4H25M3S'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 0, '0 weeks' ); is( $dur->days, 0, '0 days' ); is( $dur->hours, 4, '4 hours' ); is( $dur->minutes, 25, '25 minutes' ); is( $dur->seconds, 3, '3 seconds' ); is( $ical->format_duration($dur), '+PT4H25M3S', 'output should match input' ); } { my $dur = $ical->parse_duration('P22DT4H25M3S'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 3, '3 weeks' ); is( $dur->days, 1, '1 days' ); is( $dur->hours, 4, '4 hours' ); is( $dur->minutes, 25, '25 minutes' ); is( $dur->seconds, 3, '3 seconds' ); is( $ical->format_duration($dur), '+P3W1DT4H25M3S', 'output should match input' ); } { my $dur = $ical->parse_duration('P4W22DT4H25M3S'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 7, '7 weeks' ); is( $dur->days, 1, '1 days' ); is( $dur->hours, 4, '4 hours' ); is( $dur->minutes, 25, '25 minutes' ); is( $dur->seconds, 3, '3 seconds' ); is( $ical->format_duration($dur), '+P7W1DT4H25M3S', 'output should match input' ); } { my $dur = $ical->parse_duration('P4W2D'); ok( $dur->is_positive, 'duration should be positive' ); is( $dur->weeks, 4, '4 weeks' ); is( $dur->days, 2, '2 days' ); is( $dur->hours, 0, '0 hours' ); is( $dur->minutes, 0, '0 minutes' ); is( $dur->seconds, 0, '0 seconds' ); is( $ical->format_duration($dur), '+P4W2D', 'output should match input' ); } { my $dur = $ical->parse_duration('-P4W2D'); ok( $dur->is_negative, 'duration should be negative' ); is( $dur->weeks, 4, '4 weeks' ); is( $dur->days, 2, '2 days' ); is( $dur->hours, 0, '0 hours' ); is( $dur->minutes, 0, '0 minutes' ); is( $dur->seconds + 0, 0, '0 seconds' ); is( $ical->format_duration($dur), '-P4W2D', 'output should match input' ); } { my $dur = $ical->parse_duration('PT0S'); ok( ! $dur->is_positive, 'duration is not positive' ); ok( ! $dur->is_negative, 'duration is not negative' ); ok( $dur->is_zero, 'duration is zero' ); is( $dur->weeks, 0, '0 weeks' ); is( $dur->days, 0, '0 days' ); is( $dur->hours, 0, '0 hours' ); is( $dur->minutes, 0, '0 minutes' ); is( $dur->seconds, 0, '0 seconds' ); is( $ical->format_duration($dur), '+PT0S', 'output should match input' ); } { eval { $ical->parse_duration('+PT') }; like( $@, qr/Invalid.+/, "Invalid duration string" ); } { my $dur = DateTime::Duration->new( minutes => 5 ); is( $ical->format_duration($dur), '+PT5M', 'minutes only' ); } DateTime-Format-ICal-0.09/META.yml0000444000175000017500000000122610764323557016316 0ustar autarchautarch--- name: DateTime-Format-ICal version: 0.09 author: - |- Dave Rolsky and Flavio Soibelmann Glock abstract: Parse and format iCal datetime and duration strings license: perl resources: license: http://dev.perl.org/licenses/ requires: DateTime: 0.17 DateTime::Event::ICal: 0.03 DateTime::Set: 0.1 DateTime::TimeZone: 0.22 Params::Validate: 0.59 build_requires: Module::Build: 0 provides: DateTime::Format::ICal: file: lib/DateTime/Format/ICal.pm version: 0.09 generated_by: Module::Build version 0.2808 meta-spec: url: http://module-build.sourceforge.net/META-spec-v1.2.html version: 1.2 DateTime-Format-ICal-0.09/Changes0000444000175000017500000000321510764323557016340 0ustar autarchautarch0.09 2008-03-07 - The output of format_datetime() always includes the time portion. Without this the module produced what I think was an invalid iCal date. More importantly, this makes the output consistent (always a DATE-TIME). Reported by Bill Moseley. - removes RRULE: and EXRULE: from ICal string before parsing. Reported by Matt Sisk. 0.08 2003-09-04 - Negative durations were formatted as positive with Perl 5.00503. Fixed by Flavio Glock. 0.07 2003-09-02 - Added format_recurrence() & docs. Implemented by Flavio Glock. - Require DateTime::Event::Recurrence 0.03 to get hints on formatting unbounded recurrences. - Updated to work with newer versions of DateTime.pm and DateTime::Span. 0.06 2003-07-01 - Fix a test where a zero-duration was tested for being "positive". - Add docs for parse_recurrence. 0.05 2003-05-25 - Turned on warnings for tests and tweaked code so there are none. - Require DateTime::TimeZone 0.17 to fix bug with formatting datetimes that was caused by API change in DT::TZ 0.13. - Added support for parsing of periods and recurrences, and for formatting of periods. Implemented by Flavio Glock. 0.04 2003-04-22 - Make it work with the latest DateTime::Duration. - Added newlines to the end of all error messages. Patch by Jay Lawrence. 0.03 2003-04-05 - Handle offset-only time zones without producing garbage output. Bug report from Iain Truskett. - Switch to Module::Build. 0.02 2003-02-16 - Change docs to show methods as class methods. 0.01_01 2003-02-08 - Fix Makefile.PL to list DateTime.pm as a prereq 0.01_00 2003-02-08 - First alpha release DateTime-Format-ICal-0.09/TODO0000444000175000017500000000054310764323557015536 0ustar autarchautarchTODO for DateTime::Format::ICal - When given an EXRULE: or RRULE: part, parse_recurrence should be able to fix this: "The iCal spec requires that "dtstart" always be included in the recurrence set, unless this is an "exrule" statement. Since we don't know what kind of statement is being parsed, we do not include C in the recurrence set." DateTime-Format-ICal-0.09/MANIFEST0000444000175000017500000000026410764323557016177 0ustar autarchautarchBuild.PL Changes lib/DateTime/Format/ICal.pm LICENSE Makefile.PL MANIFEST This list of files META.yml t/00load.t t/01datetime.t t/02duration.t t/03period.t t/04recurrence.t TODO DateTime-Format-ICal-0.09/Makefile.PL0000444000175000017500000000160310764323557017016 0ustar autarchautarchuse strict; unless (eval "use Module::Build::Compat 0.02; 1" ) { print "This module requires Module::Build to install itself.\n"; require ExtUtils::MakeMaker; my $yn = ExtUtils::MakeMaker::prompt (' Install Module::Build from CPAN?', 'y'); if ($yn =~ /^y/i) { require Cwd; require File::Spec; require CPAN; # Save this 'cause CPAN will chdir all over the place. my $cwd = Cwd::cwd(); my $makefile = File::Spec->rel2abs($0); CPAN::Shell->install('Module::Build::Compat'); chdir $cwd or die "Cannot chdir() back to $cwd: $!"; exec $^X, $makefile, @ARGV; # Redo now that we have Module::Build } else { warn " *** Cannot install without Module::Build. Exiting ...\n"; exit 1; } } Module::Build::Compat->run_build_pl(args => \@ARGV); Module::Build::Compat->write_makefile(); DateTime-Format-ICal-0.09/lib/0000755000175000017500000000000010764323557015614 5ustar autarchautarchDateTime-Format-ICal-0.09/lib/DateTime/0000755000175000017500000000000010764323557017310 5ustar autarchautarchDateTime-Format-ICal-0.09/lib/DateTime/Format/0000755000175000017500000000000010764323557020540 5ustar autarchautarchDateTime-Format-ICal-0.09/lib/DateTime/Format/ICal.pm0000444000175000017500000004146110764323557021712 0ustar autarchautarchpackage DateTime::Format::ICal; use strict; use vars qw ($VERSION); $VERSION = '0.09'; use DateTime; use DateTime::Span; use DateTime::Event::ICal; use Params::Validate qw( validate_with SCALAR ); sub new { my $class = shift; return bless {}, $class; } # key is string length my %valid_formats = ( 15 => { params => [ qw( year month day hour minute second ) ], regex => qr/^(\d\d\d\d)(\d\d)(\d\d)T(\d\d)(\d\d)(\d\d)$/, }, 13 => { params => [ qw( year month day hour minute ) ], regex => qr/^(\d\d\d\d)(\d\d)(\d\d)T(\d\d)(\d\d)$/, }, 11 => { params => [ qw( year month day hour ) ], regex => qr/^(\d\d\d\d)(\d\d)(\d\d)T(\d\d)$/, }, 8 => { params => [ qw( year month day ) ], regex => qr/^(\d\d\d\d)(\d\d)(\d\d)$/, }, ); sub parse_datetime { my ( $self, $date ) = @_; # save for error messages my $original = $date; my %p; if ( $date =~ s/^TZID=([^:]+):// ) { $p{time_zone} = $1; } # Z at end means UTC elsif ( $date =~ s/Z$// ) { $p{time_zone} = 'UTC'; } else { $p{time_zone} = 'floating'; } my $format = $valid_formats{ length $date } or die "Invalid iCal datetime string ($original)\n"; @p{ @{ $format->{params} } } = $date =~ /$format->{regex}/; return DateTime->new(%p); } sub parse_duration { my ( $self, $dur ) = @_; my @units = qw( weeks days hours minutes seconds ); $dur =~ m{ ([\+\-])? # Sign P # 'P' for period? This is our magic character) (?: (?:(\d+)W)? # Weeks (?:(\d+)D)? # Days )? (?: T # Time prefix (?:(\d+)H)? # Hours (?:(\d+)M)? # Minutes (?:(\d+)S)? # Seconds )? }x; my $sign = $1; my %units; $units{weeks} = $2 if defined $2; $units{days} = $3 if defined $3; $units{hours} = $4 if defined $4; $units{minutes} = $5 if defined $5; $units{seconds} = $6 if defined $6; die "Invalid ICal duration string ($dur)\n" unless %units; if ( defined $sign && $sign eq '-' ) { # $_ *= -1 foreach values %units; - does not work in 5.00503 $units{$_} *= -1 foreach keys %units; } return DateTime::Duration->new(%units); } sub parse_period { my ( $self, $period ) = @_; my ( $start, $end ) = $period =~ /^((?:TZID=[^:]+:)?.*?)\/(.*)/; die "Invalid ICal period string ($period)\n" unless $start && $end; $start = $self->parse_datetime( $start ); if ( $end =~ /[\+\-]P/i ) { $end = $start + $self->parse_duration( $end ); } else { $end = $self->parse_datetime( $end ); } die "Invalid ICal period: end before start ($period)\n" if $start > $end; return DateTime::Span->new( start => $start, end => $end ); } sub parse_recurrence { my $self = shift; my %p = validate_with( params => \@_, spec => { recurrence => { type => SCALAR } }, allow_extra => 1, ); my $recurrence = delete $p{recurrence}; # recurrence may start with RRULE: $recurrence =~ s/^(?:RRULE|EXRULE)://i; # parser: adapted from code written for Date::Set by jesse # RRULEs look like 'FREQ=foo;INTERVAL=bar;' etc. foreach ( split /;/, $recurrence ) { my ( $name, $value ) = split /=/; $name = lc $name; # BY parameters should be arrays. everything else should be strings if ( $name eq 'until' ) { $p{$name} = __PACKAGE__->parse_datetime( $value ); } elsif ( $name =~ /^by/i ) { $p{$name} = [ split /,/, lc( $value ) ]; } else { $p{$name} = lc( $value ); } } return DateTime::Event::ICal->recur(%p); } sub format_datetime { my ( $self, $dt ) = @_; my $tz = $dt->time_zone; unless ( $tz->is_floating || $tz->is_utc || $tz->is_olson ) { $dt = $dt->clone->set_time_zone('UTC'); $tz = $dt->time_zone; } my $base = sprintf( '%04d%02d%02dT%02d%02d%02d', $dt->year, $dt->month, $dt->day, $dt->hour, $dt->minute, $dt->second ); return $base if $tz->is_floating; return $base . 'Z' if $tz->is_utc; return 'TZID=' . $tz->name . ':' . $base; } sub format_duration { my ( $self, $duration ) = @_; die "Cannot represent years or months in an iCal duration\n" if $duration->delta_months; # simple string for 0-length durations return '+PT0S' unless $duration->delta_days || $duration->delta_minutes || $duration->delta_seconds; my $ical = $duration->is_positive ? '+' : '-'; $ical .= 'P'; if ( $duration->delta_days ) { $ical .= $duration->weeks . 'W' if $duration->weeks; $ical .= $duration->days . 'D' if $duration->days; } if ( $duration->delta_minutes || $duration->delta_seconds ) { $ical .= 'T'; $ical .= $duration->hours . 'H' if $duration->hours; $ical .= $duration->minutes . 'M' if $duration->minutes; $ical .= $duration->seconds . 'S' if $duration->seconds; } return $ical; } sub format_period { my ( $self, $span ) = @_; return $self->format_datetime( $span->start ) . '/' . $self->format_datetime( $span->end ) ; } sub format_period_with_duration { my ( $self, $span ) = @_; return $self->format_datetime( $span->start ) . '/' . $self->format_duration( $span->duration ) ; } sub _split_datetime_tz { my ( $self, $dt ) = @_; my $tz = $dt->time_zone; unless ( $tz->is_floating || $tz->is_utc || $tz->is_olson ) { $dt = $dt->clone->set_time_zone('UTC'); $tz = $dt->time_zone; } my $base = ( $dt->hour || $dt->min || $dt->sec ? sprintf( '%04d%02d%02dT%02d%02d%02d', $dt->year, $dt->month, $dt->day, $dt->hour, $dt->minute, $dt->second ) : sprintf( '%04d%02d%02d', $dt->year, $dt->month, $dt->day ) ); return ($base, '') if $tz->is_floating; return ($base, 'UTC') if $tz->is_utc; return ($base, $tz->name); } sub format_recurrence { my ( $self, $set, @more ) = @_; my @result; # normalize param to either DT::Set or DT::SpanSet # DT list => convert to DT::Set # DT::Span list => convert to DT::SpanSet if ( $set->isa('DateTime') ) { $set = DateTime::Set->from_datetimes( dates => [ $set, @more ] ); } elsif ( $set->isa('DateTime::Span') ) { $set = DateTime::SpanSet->from_spans( spans => [ $set, @more ] ); } # is it a recurrence? if ( $set->{set}->is_too_complex ) { # DT::Set recurrence => DTSTART;timezone:date CRLF # RRULE:params CRLF # note: add more lines if necessary: # union = more RRULE/RDATE lines # complement = more EXRULE/EXDATE lines # intersection = ? # note: timezone is specified by DTSTART only. # TODO: add support to DT::Event::Recurrence objects if ( $set->can( 'get_ical' ) && defined $set->get_ical ) { my %ical = $set->get_ical; for ( @{ $ical{include} } ) { next unless $_; if ( ref( $_ ) ) { push @result, $self->format_recurrence( $_ ); } else { push @result, $_; } } if ( $ical{exclude} ) { my @exclude; for ( @{ $ical{exclude} } ) { next unless $_; if ( ref( $_ ) ) { push @exclude, $self->format_recurrence( $_ ); } else { push @exclude, $_; } } s/^RDATE/EXDATE/ for @exclude; s/^RRULE/EXRULE/ for @exclude; push @result, @exclude; } } else { die "format_recurrence() - Format not implemented for this unbounded set"; } # end: format recurrence } else { # DT::Set => RDATE:datetime,datetime,datetime CRLF # DT::SpanSet => RDATE;VALUE=PERIOD:period,period CRLF # # not supported => RDATE;VALUE=DATE:date,date,date CRLF # # DT::Set w/tz => RDATE;timezone:date,date CRLF # DT::SpanSet w/tz => RDATE;VALUE=PERIOD;timezone:period,period CRLF my $iterator = $set->iterator; my $last_type = 'DateTime'; my $last_tz = 'invalid'; my $item; while( $item = $iterator->next ) { if( $item->isa('DateTime') ) { my ($base,$tz) = $self->_split_datetime_tz( $item ); if( $last_tz eq $tz && $last_type eq 'DateTime' ) { $result[-1] .= ',' . $base; $result[-1] .= 'Z' if $tz eq 'UTC'; } else { push @result, 'RDATE'; $result[-1] .= ';TZID='.$tz if $tz ne '' && $tz ne 'UTC'; $result[-1] .= ':' . $base; $result[-1] .= 'Z' if $tz eq 'UTC'; $last_tz = $tz; $last_type = 'DateTime'; } } elsif( $item->isa('DateTime::Span') ) { my $item_start = $item->start; my $item_end = $item->end; if ( $item_start == $item_end ) { $item = $item_start; # item looks like a datetime redo; } my ($start,$tz) = $self->_split_datetime_tz( $item_start ); $item_end->set_time_zone( $tz ); my ($end,undef) = $self->_split_datetime_tz( $item_end ); if( $last_tz eq $tz && $last_type eq 'DateTime::Span' ) { $result[-1] .= ',' . $start; $result[-1] .= 'Z' if $tz eq 'UTC'; $result[-1] .= '/' . $end; $result[-1] .= 'Z' if $tz eq 'UTC'; } else { push @result, 'RDATE;VALUE=PERIOD'; $result[-1] .= ';TZID='.$tz if $tz ne '' && $tz ne 'UTC'; $result[-1] .= ':' . $start; $result[-1] .= 'Z' if $tz eq 'UTC'; $result[-1] .= '/' . $end; $result[-1] .= 'Z' if $tz eq 'UTC'; $last_tz = $tz; $last_type = 'DateTime::Span'; } } else { die 'unexpected data type "'.ref($item).'" in set'; } } # end: format list of dates } return join( "\n", @result ) if ! wantarray; return @result; } 1; __END__ =head1 NAME DateTime::Format::ICal - Parse and format iCal datetime and duration strings =head1 SYNOPSIS use DateTime::Format::ICal; my $dt = DateTime::Format::ICal->parse_datetime( '20030117T032900Z' ); my $dur = DateTime::Format::ICal->parse_duration( '+P3WT4H55S' ); # 20030117T032900Z DateTime::Format::ICal->format_datetime($dt); # +P3WT4H55S DateTime::Format::ICal->format_duration($dur); =head1 DESCRIPTION This module understands the ICal date/time and duration formats, as defined in RFC 2445. It can be used to parse these formats in order to create the appropriate objects. =head1 METHODS This class offers the following methods. =over 4 =item * parse_datetime($string) Given an iCal datetime string, this method will return a new C object. If given an improperly formatted string, this method may die. =item * parse_duration($string) Given an iCal duration string, this method will return a new C object. If given an improperly formatted string, this method may die. =item * parse_period($string) Given an iCal period string, this method will return a new C object. If given an improperly formatted string, this method may die. =item * parse_recurrence( recurrence => $string, ... ) Given an iCal recurrence description, this method uses C to create a C object representing that recurrence. Any parameters given to this method beside "recurrence" will be passed directly to the C<< DateTime::Event::ICal->recur >> method. If given an improperly formatted string, this method may die. This method accepts optional parameters "dtstart" and "dtend". These parameters must be C objects. The iCal spec requires that "dtstart" always be included in the recurrence set, unless this is an "exrule" statement. Since we don't know what kind of statement is being parsed, we do not include C in the recurrence set. =item * format_datetime($datetime) Given a C object, this methods returns an iCal datetime string. The iCal spec requires that datetimes be formatted either as floating times (no time zone), UTC (with a 'Z' suffix) or with a time zone id at the beginning ('TZID=America/Chicago;...'). If this method is asked to format a C object that has an offset-only time zone, then the object will be converted to the UTC time zone internally before formatting. For example, this code: my $dt = DateTime->new( year => 1900, hour => 15, time_zone => '-0100' ); print $ical->format_datetime($dt); will print the string "19000101T160000Z". =item * format_duration($duration) Given a C object, this methods returns an iCal duration string. The iCal standard does not allow for months or years in a duration, so if a duration for which C is not zero is given, then this method will die. =item * format_period($span) Given a C object, this methods returns an iCal period string, using the format C. =item * format_period_with_duration($span) Given a C object, this methods returns an iCal period string, using the format C. =item * format_recurrence($arg [,$arg...] ) This method returns a list of strings containing ICal statements. In scalar context it returns a single string which may contain embedded newlines. The argument can be a C list, a C list, a C, or a C. ICal C values are not supported. Whenever a date value is found, a C is generated. If a recurrence has an associated C or C, those values must be formatted using C. The C method will not do this for you. If a C or C of recurrences is being formatted, they are assumed to have the same C value. Only C and C operations are supported for recurrences. This is a limitation of the ICal specification. If given a set it cannot format, this method may die. Only C objects are formattable. A set may change class after some set operations: $recurrence = $recurrence->union( $dt_set ); # Ok - $recurrence still is a DT::Set::ICal $recurrence = $dt_set->union( $recurrence ); # Not Ok! - $recurrence is a DT::Set now The only unbounded recurrences currently supported are the ones generated by the C module. You can add ICal formatting support to a custom recurrence by using the C module: $custom_recurrence = DateTime::Set::ICal->from_recurrence ( recurrence => sub { $_[0]->truncate( to => 'month' )->add( months => 1 ) } ); $custom_recurrence->set_ical( include => [ 'FREQ=MONTHLY' ] ); =back =head1 SUPPORT Support for this module is provided via the datetime@perl.org email list. See http://lists.perl.org/ for more details. =head1 AUTHORS Dave Rolsky and Flavio Soibelmann Glock Some of the code in this module comes from Rich Bowen's C module. =head1 COPYRIGHT Copyright (c) 2003 David Rolsky. All rights reserved. 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. =head1 SEE ALSO datetime@perl.org mailing list http://datetime.perl.org/ =cut DateTime-Format-ICal-0.09/LICENSE0000444000175000017500000005010110764323557016046 0ustar autarchautarchTerms of Perl itself a) the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version, or b) the "Artistic License" --------------------------------------------------------------------------- The General Public License (GPL) Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. 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You may distribute the programs of this Package in object code or executable form, provided that you do at least ONE of the following: a) distribute a Standard Version of the executables and library files, together with instructions (in the manual page or equivalent) on where to get the Standard Version. b) accompany the distribution with the machine-readable source of the Package with your modifications. c) accompany any non-standard executables with their corresponding Standard Version executables, giving the non-standard executables non-standard names, and clearly documenting the differences in manual pages (or equivalent), together with instructions on where to get the Standard Version. d) make other distribution arrangements with the Copyright Holder. 5. You may charge a reasonable copying fee for any distribution of this Package. You may charge any fee you choose for support of this Package. You may not charge a fee for this Package itself. However, you may distribute this Package in aggregate with other (possibly commercial) programs as part of a larger (possibly commercial) software distribution provided that you do not advertise this Package as a product of your own. 6. The scripts and library files supplied as input to or produced as output from the programs of this Package do not automatically fall under the copyright of this Package, but belong to whomever generated them, and may be sold commercially, and may be aggregated with this Package. 7. C or perl subroutines supplied by you and linked into this Package shall not be considered part of this Package. 8. Aggregation of this Package with a commercial distribution is always permitted provided that the use of this Package is embedded; that is, when no overt attempt is made to make this Package's interfaces visible to the end user of the commercial distribution. Such use shall not be construed as a distribution of this Package. 9. The name of the Copyright Holder may not be used to endorse or promote products derived from this software without specific prior written permission. 10. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. The End DateTime-Format-ICal-0.09/Build.PL0000444000175000017500000000107310764323557016341 0ustar autarchautarchuse Module::Build; Module::Build->new ( module_name => 'DateTime::Format::ICal', author => 'Dave Rolsky ', license => 'perl', requires => { 'DateTime' => 0.17, 'DateTime::Event::ICal' => 0.03, 'DateTime::Set' => 0.10, # really want DT::Span in same distro 'DateTime::TimeZone' => 0.22, 'Params::Validate' => 0.59, }, build_requires => { 'Module::Build' => 0 }, )->create_build_script;