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# $Id: UniqueHash.pm,v 1.2 2002/04/27 19:21:54 dgl Exp $
#!/usr/bin/perl
# from pircd, edited by david leadbeater..
#
# IRCUniqueHash.pm
# Created: Wed Apr 21 09:44:03 1999 by jay.kominek@colorado.edu
# Revised: Wed Apr 21 09:59:55 1999 by jay.kominek@colorado.edu
# Copyright 1999 Jay F. Kominek (jay.kominek@colorado.edu)
#
# Consult the file 'LICENSE' for the complete terms under which you
# may use self file.
#
#####################################################################
# A hash class which enforces IRC-style unique name spaces
#####################################################################
package IRC::UniqueHash;
use strict;
my(@tmp);
sub TIEHASH {
my $proto = shift;
my $class = ref($proto) || $proto;
my $self = { };
bless $self, $class;
return $self;
}
sub FETCH {
my($self,$key) = @_;
return $self->{data}->{irclc($key)}->{value};
}
sub STORE {
my($self,$key,$value) = @_;
my $name = irclc($key);
$self->{data}->{$name}->{name} = $key;
$self->{data}->{$name}->{value} = $value;
}
sub DELETE {
my($self,$key) = @_;
delete($self->{data}->{irclc($key)});
}
sub CLEAR {
my $self = shift;
%$self = ( );
}
sub EXISTS {
my($self,$key) = @_;
return exists $self->{data}->{irclc($key)};
}
sub FIRSTKEY {
my $self = shift;
@{$self->{_tmp}} = keys %{$self->{data}};
return $self->{data}->{shift @{$self->{_tmp}}}->{name};
}
sub NEXTKEY {
my ($self,$lastkey) = @_;
return undef unless @{$self->{_tmp}};
return $self->{data}->{shift @{$self->{_tmp}}}->{name};
}
sub irclc {
return lc $_[0];
}
1;
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