Initial class construction

Git/usr/share/perl5/vendor_perl/URI/news.pm

@@ -0,0 +1,71 @@
+package URI::news;  # draft-gilman-news-url-01
+
+use strict;
+use warnings;
+
+our $VERSION = '1.76';
+
+use parent 'URI::_server';
+
+use URI::Escape qw(uri_unescape);
+use Carp ();
+
+sub default_port { 119 }
+
+#   newsURL      =  scheme ":" [ news-server ] [ refbygroup | message ]
+#   scheme       =  "news" | "snews" | "nntp"
+#   news-server  =  "//" server "/"
+#   refbygroup   = group [ "/" messageno [ "-" messageno ] ]
+#   message      = local-part "@" domain
+
+sub _group
+{
+    my $self = shift;
+    my $old = $self->path;
+    if (@_) {
+	my($group,$from,$to) = @_;
+	if ($group =~ /\@/) {
+            $group =~ s/^<(.*)>$/$1/;  # "<" and ">" should not be part of it
+	}
+	$group =~ s,%,%25,g;
+	$group =~ s,/,%2F,g;
+	my $path = $group;
+	if (defined $from) {
+	    $path .= "/$from";
+	    $path .= "-$to" if defined $to;
+	}
+	$self->path($path);
+    }
+
+    $old =~ s,^/,,;
+    if ($old !~ /\@/ && $old =~ s,/(.*),, && wantarray) {
+	my $extra = $1;
+	return (uri_unescape($old), split(/-/, $extra));
+    }
+    uri_unescape($old);
+}
+
+
+sub group
+{
+    my $self = shift;
+    if (@_) {
+	Carp::croak("Group name can't contain '\@'") if $_[0] =~ /\@/;
+    }
+    my @old = $self->_group(@_);
+    return if $old[0] =~ /\@/;
+    wantarray ? @old : $old[0];
+}
+
+sub message
+{
+    my $self = shift;
+    if (@_) {
+	Carp::croak("Message must contain '\@'") unless $_[0] =~ /\@/;
+    }
+    my $old = $self->_group(@_);
+    return undef unless $old =~ /\@/;
+    return $old;
+}
+
+1;