# 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: input_filter.coretag,v 1.5 2007-03-30 23:40:49 pajamian Exp $

UserTag input-filter        Order        name
UserTag input-filter        addAttr
UserTag input-filter        attrAlias    var name
UserTag input-filter        attrAlias    variable name
UserTag input-filter        attrAlias    ops op
UserTag input-filter        hasEndTag
UserTag input-filter        PosNumber    1
UserTag input-filter        Version      $Revision: 1.5 $
UserTag input-filter        MapRoutine   Vend::Interpolate::input_filter

sub input_filter {
my ($varname, $opt, $routine) = @_;
if($opt->{remove}) {
  return if ! ref $Vend::Session->{Filter};
  delete $Vend::Session->{Filter}{$_};
  return;
}
$opt->{routine} = $routine if $routine =~ /\S/;
$Vend::Session->{Filter} = {} if ! $Vend::Session->{Filter};
$Vend::Session->{Filter}{$varname} = $opt->{op} if $opt->{op};
return;
}