# Copyright 2002-2007 Interchange Development Group and others
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.  See the LICENSE file for details.
# 
# $Id: meta_info.coretag,v 1.4 2007-03-30 23:40:54 pajamian Exp $

UserTag meta-info Order      table column key
UserTag meta-info attrAlias  col column
UserTag meta-info addAttr
UserTag meta-info Version    $Revision: 1.4 $
UserTag meta-info Routine    <<EOR
sub {
my ($table, $col, $key, $opt) = @_;

my $item;
if($table) {
  $item = $table;
  $item .= "::$col" if $col;
}

$item ||= $opt->{item} or return undef;
my $meta;
my $mdb;

if($opt->{meta_table}) {
  $mdb = dbref($opt->{meta_table});
}

my @tries = $item;

if($opt->{specific}) {
  unshift @tries, $item . "::$opt->{specific}";
}

for(@tries) {
  $meta = Vend::Table::Editor::meta_record(
              $_,
              $opt->{view},
              $mdb,
              $opt->{extended_only},
            )
      and last;
}
return undef unless $meta;
#::logDebug("Got meta record back, looking for $key: " . ::uneval($meta));
return errmsg($meta->{$key}) if $opt->{localize};
return $meta->{$key};
}
EOR