* SETLANG
* SETLANG - SET.LANGUAGE command.
* Copyright (c) 2005 Ladybridge Systems, All Rights Reserved
*
* 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, or (at your option)
* any later version.
* 
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* 
* Ladybridge Systems can be contacted via the www.openqm.com web site.
* 
* START-HISTORY:
* 16 Sep 04  2.0-1 OpenQM launch. Earlier history details suppressed.
* END-HISTORY
*
* START-DESCRIPTION:
*
*    SET.LANGAUGE prefix
*
* END-DESCRIPTION
*
* START-CODE

$internal
program setlang
$catalogue $SETLANG

$include parser.h
$include err.h
$include int$keys.h

   parser = "!PARSER"

   @system.return.code = -ER$ARGS     ;* Preset for argument errors

   call @parser(parser$reset, 0, @sentence, 0)
   call @parser(parser$get.token, token.type, token, keyword) ;* Verb

   * Get language prefix

   call @parser(parser$get.token, token.type, prefix, keyword)

   if len(prefix) > 3 or not(prefix matches '0A') then
      stop sysmsg(3340, prefix) ;* Invalid language code
   end
   prefix = upcase(prefix)

   if not(kernel(K$SET.LANGUAGE, prefix)) then
      stop sysmsg(3341, status()) ;* Error %1 setting language
   end

   @system.return.code = 0
end

* END-CODE
