#  File: Stem/Vars.pm

#  This file is part of Stem.
#  Copyright (C) 1999, 2000, 2001 Stem Systems, Inc.

#  Stem 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.

#  Stem is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.

#  You should have received a copy of the GNU General Public License
#  along with Stem; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#  For a license to use the Stem under conditions other than those
#  described here, to purchase support for this software, or to purchase a
#  commercial warranty contract, please contact Stem Systems at:

#       Stem Systems, Inc.		781-643-7504
#  	79 Everett St.			info@stemsystems.com
#  	Arlington, MA 02474
#  	USA

package Stem::Vars ;

use strict ;
use Stem::Route ;
use base 'Exporter' ;
use vars qw( %Env @EXPORT ) ;

@EXPORT = qw( %Env ) ;



Stem::Route::register_class( __PACKAGE__, 'var', 'env' ) ;

sub new {

	my( $class, %env ) = @_ ;

	delete $env{ 'reg_name' } ;

	@Env{ keys %env } = values %env ;

	return ;
}

sub set_env_cmd {

	my( $self, $msg ) = @_ ;

	my( $data ) = $msg->data() ;

	$data = ${$data} if ref $data ;

	if ( my( $key, $val ) = $data =~ /^\s*(\w+)\s*=\s*(.+)$/ ) {

		$val =~ s/\s+$// ;
		$Env{ $key } = $val ;
	}

	return ;
}

sub get_env_cmd {

	my( $self, $msg ) = @_ ;

	my( $data ) = $msg->data() ;

	$data = ${$data} if ref $data ;

	return $Env{$data} ;
}

sub status_cmd {

	my $text ;

	$text = <<TEXT ;

Status of Stem Environment

TEXT

	foreach my $key ( sort keys %Env ) {
	
		my $val = $Env{$key} ;

		$text .= sprintf( "\t%-24s = '$val'\n", $key ) ;
	}

	$text .= "\n\n" ;

	return $text ;
}

1 ;