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package Time::Seconds; use strict; our $VERSION = '1.31'; use Exporter 5.57 'import'; our @EXPORT = qw( ONE_MINUTE ONE_HOUR ONE_DAY ONE_WEEK ONE_MONTH ONE_YEAR ONE_FINANCIAL_MONTH LEAP_YEAR NON_LEAP_YEAR ); our @EXPORT_OK = qw(cs_sec cs_mon); use constant { ONE_MINUTE => 60, ONE_HOUR => 3_600, ONE_DAY => 86_400, ONE_WEEK => 604_800, ONE_MONTH => 2_629_744, # ONE_YEAR / 12 ONE_YEAR => 31_556_930, # 365.24225 days ONE_FINANCIAL_MONTH => 2_592_000, # 30 days LEAP_YEAR => 31_622_400, # 366 * ONE_DAY NON_LEAP_YEAR => 31_536_000, # 365 * ONE_DAY # hacks to make Time::Piece compile once again cs_sec => 0, cs_mon => 1, }; use overload 'fallback' => 'undef', '0+' => \&seconds, '""' => \&seconds, '<=>' => \&compare, '+' => \&add, '-' => \&subtract, '-=' => \&subtract_from, '+=' => \&add_to, '=' => \© sub new { my $class = shift; my ($val) = @_; $val = 0 unless defined $val; bless \$val, $class; } sub _get_ovlvals { my ($lhs, $rhs, $reverse) = @_; $lhs = $lhs->seconds; if (UNIVERSAL::isa($rhs, 'Time::Seconds')) { $rhs = $rhs->seconds; } elsif (ref($rhs)) { die "Can't use non Seconds object in operator overload"; } if ($reverse) { return $rhs, $lhs; } return $lhs, $rhs; } sub compare { my ($lhs, $rhs) = _get_ovlvals(@_); return $lhs <=> $rhs; } sub add { my ($lhs, $rhs) = _get_ovlvals(@_); return Time::Seconds->new($lhs + $rhs); } sub add_to { my $lhs = shift; my $rhs = shift; $rhs = $rhs->seconds if UNIVERSAL::isa($rhs, 'Time::Seconds'); $$lhs += $rhs; return $lhs; } sub subtract { my ($lhs, $rhs) = _get_ovlvals(@_); return Time::Seconds->new($lhs - $rhs); } sub subtract_from { my $lhs = shift; my $rhs = shift; $rhs = $rhs->seconds if UNIVERSAL::isa($rhs, 'Time::Seconds'); $$lhs -= $rhs; return $lhs; } sub copy { Time::Seconds->new(${$_[0]}); } sub seconds { my $s = shift; return $$s; } sub minutes { my $s = shift; return $$s / 60; } sub hours { my $s = shift; $s->minutes / 60; } sub days { my $s = shift; $s->hours / 24; } sub weeks { my $s = shift; $s->days / 7; } sub months { my $s = shift; $s->days / 30.4368541; } sub financial_months { my $s = shift; $s->days / 30; } sub years { my $s = shift; $s->days / 365.24225; } sub pretty { my $s = shift; my $str = ""; if ($s < 0) { $s = -$s; $str = "minus "; } if ($s >= ONE_MINUTE) { if ($s >= ONE_HOUR) { if ($s >= ONE_DAY) { my $days = sprintf("%d", $s->days); # does a "floor" $str .= $days . " days, "; $s -= ($days * ONE_DAY); } my $hours = sprintf("%d", $s->hours); $str .= $hours . " hours, "; $s -= ($hours * ONE_HOUR); } my $mins = sprintf("%d", $s->minutes); $str .= $mins . " minutes, "; $s -= ($mins * ONE_MINUTE); } $str .= $s->seconds . " seconds"; return $str; } 1; __END__ =encoding utf8 =head1 NAME Time::Seconds - a simple API to convert seconds to other date values =head1 SYNOPSIS use Time::Piece; use Time::Seconds; my $t = localtime; $t += ONE_DAY; my $t2 = localtime; my $s = $t - $t2; print "Difference is: ", $s->days, "\n"; =head1 DESCRIPTION This module is part of the Time::Piece distribution. It allows the user to find out the number of minutes, hours, days, weeks or years in a given number of seconds. It is returned by Time::Piece when you delta two Time::Piece objects. Time::Seconds also exports the following constants: ONE_DAY ONE_WEEK ONE_HOUR ONE_MINUTE ONE_MONTH ONE_YEAR ONE_FINANCIAL_MONTH LEAP_YEAR NON_LEAP_YEAR Since perl does not (yet?) support constant objects, these constants are in seconds only, so you cannot, for example, do this: C<print ONE_WEEK-E<gt>minutes;> =head1 METHODS The following methods are available: my $val = Time::Seconds->new(SECONDS) $val->seconds; $val->minutes; $val->hours; $val->days; $val->weeks; $val->months; $val->financial_months; # 30 days $val->years; $val->pretty; # gives English representation of the delta The usual arithmetic (+,-,+=,-=) is also available on the objects. The methods make the assumption that there are 24 hours in a day, 7 days in a week, 365.24225 days in a year and 12 months in a year. (from The Calendar FAQ at http://www.tondering.dk/claus/calendar.html) =head1 AUTHOR Matt Sergeant, matt@sergeant.org Tobias Brox, tobiasb@tobiasb.funcom.com Balázs Szabó (dLux), dlux@kapu.hu =head1 COPYRIGHT AND LICENSE Copyright 2001, Larry Wall. This module is free software, you may distribute it under the same terms as Perl. =head1 Bugs Currently the methods aren't as efficient as they could be, for reasons of clarity. This is probably a bad idea. =cut

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