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Rule.pm	1.86 KB	-rw-r--r--
Zone.pm	5.23 KB	-rw-r--r--

Code Editor : Rule.pm

package DateTime::TimeZone::OlsonDB::Rule;

use strict;
use warnings;
use namespace::autoclean;

our $VERSION = '2.51';

use DateTime::TimeZone::OlsonDB;

sub new {
    my $class = shift;
    my %p     = @_;

$p{letter} ||= q{};

my $save = $p{save};

# The handling of q{-} and q{1} are to account for new syntax introduced
    # in 2009u (and hopefully gone in future versions).
    if ( $save && $save ne q{-} ) {
        if ( $save =~ /^\d+$/ ) {
            $p{offset_from_std} = 3600 * $save;
        }
        else {
            $p{offset_from_std}
                = DateTime::TimeZone::offset_as_seconds($save);
        }
    }
    else {
        $p{offset_from_std} = 0;
    }

return bless \%p, $class;
}

sub name            { $_[0]->{name} }
sub offset_from_std { $_[0]->{offset_from_std} }
sub letter          { $_[0]->{letter} }
sub min_year        { $_[0]->{from} }

sub max_year {
          $_[0]->{to} eq 'only' ? $_[0]->min_year
        : $_[0]->{to} eq 'max'  ? undef
        :                         $_[0]->{to};
}

sub is_infinite { $_[0]->{to} eq 'max' ? 1 : 0 }

sub month { $DateTime::TimeZone::OlsonDB::MONTHS{ $_[0]->{in} } }
sub on    { $_[0]->{on} }
sub at    { $_[0]->{at} }

sub utc_start_datetime_for_year {
    my $self            = shift;
    my $year            = shift;
    my $offset_from_utc = shift;

# should be the offset of the _previous_ rule
    my $offset_from_std = shift;

my ( $month, $day ) = DateTime::TimeZone::OlsonDB::parse_day_spec(
        $self->on,
        $self->month,
        $year,
    );

my $utc = DateTime::TimeZone::OlsonDB::utc_datetime_for_time_spec(
        spec            => $self->at,
        year            => $year,
        month           => $month,
        day             => $day,
        offset_from_utc => $offset_from_utc,
        offset_from_std => $offset_from_std,
    );

return $utc;
}

${this.title}

Code Editor : Rule.pm