2 # Hash tied to optionally dynamically generate its values
3 # Copyright (C) 2005 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; exactly version 2 of June 1991 is required
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 package My::Hash::Push;
20 our $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
24 use My::Web; # for &Wrequire
26 our @ISA=qw(My::Hash);
27 use Carp qw(cluck confess);
32 my($this,$key,$value)=@_;
34 return $this->pass("STORE",$key,$value) if $key!~/_push$/;
35 my $val_orig=$this->pass("FETCH",$key);
36 $val_orig=[] if !defined $val_orig;
37 $val_orig=[$val_orig] if "ARRAY" ne ref $val_orig;
38 return $this->pass("STORE",$key,[@$val_orig,$value]);
45 my $val=$this->pass("FETCH",$key);
46 return $val if $key!~/_push$/;
47 $val=[] if !defined $val;
48 $val=[$val] if "ARRAY" ne ref($val);