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