X-Git-Url: http://dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FJulian.pm;h=85f47bdd37e3abea4f988186675b2106db73cf93;hb=4b96a6a5b956fcbdff1029e63947dfd57bf92d01;hp=2307e08a9d651a6b6a238b90d8af0f8945aabc1e;hpb=f0910da57e166acb22e83de4e4b771d175074c80;p=spider.git

diff --git a/perl/Julian.pm b/perl/Julian.pm
index 2307e08a..85f47bdd 100644
--- a/perl/Julian.pm
+++ b/perl/Julian.pm
@@ -10,6 +10,14 @@ use strict;
 
 package Julian;
 
+
+use vars qw($VERSION $BRANCH @days @ldays @month);
+main::mkver($VERSION = q$Revision$) if main->can('mkver');
+
+@days = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+@ldays = (31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+@month = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
+
 sub alloc($$$)
 {
 	my ($pkg, $year, $thing) = @_;
@@ -44,8 +52,6 @@ package Julian::Day;
 use vars qw(@ISA);
 @ISA = qw(Julian);
 
-my @days = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
-
 # is it a leap year?
 sub _isleap
 {
@@ -70,9 +76,9 @@ sub sub($$)
 	my $diny = _isleap($self->[0]) ? 366 : 365;
 	$self->[1] -= $amount;
 	while ($self->[1] <= 0) {
-		$self->[1] += $diny;
 		$self->[0] -= 1;
 		$diny = _isleap($self->[0]) ? 366 : 365;
+		$self->[1] += $diny;
 	}
 	return $self;
 }
@@ -91,6 +97,22 @@ sub add($$)
 	return $self;
 } 
 
+sub as_string
+{
+	my $self = shift;
+	my $days = $self->[1];
+	my $mon = 0;
+	for (_isleap($self->[0]) ? @Julian::ldays : @Julian::days) {
+		if ($_ < $days) {
+			$days -= $_;
+			$mon++;
+		} else {
+			last;
+		}
+	}
+	return "$days-$Julian::month[$mon]-$self->[0]";
+}
+
 package Julian::Month;
 
 use vars qw(@ISA);
@@ -132,5 +154,11 @@ sub add($$)
 	return $self;
 } 
 
+sub as_string
+{
+	my $self = shift;
+	return "$Julian::month[$self->[1]]-$self->[0]";
+}
+
 
 1;