/* 
    Copyright 2003-2004 The Apache Software Foundation
  
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
  
        http://www.apache.org/licenses/LICENSE-2.0
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

    Ant environment
*/

'@echo off'
call RxFuncAdd "SysLoadFuncs", "RexxUtil", "SysLoadFuncs"
call SysLoadFuncs

/* Prepare the parameters for later use */
parse arg argv
mode = ''
args = ''
opts = ''
cp = ''
lcp = ''

do i = 1 to words(argv)
  param = word(argv, i)
  select
    when param='-lcp' then mode = 'l'
    when param='-cp' | param='-classpath' then mode = 'c'
    when abbrev('-opts', param, 4) then mode = 'o'
    when abbrev('-args', param, 4) then mode = 'a'
  otherwise
    select
      when mode = 'a' then args = space(args param, 1)
      when mode = 'c' then cp = space(cp param, 1)
      when mode = 'l' then lcp = space(lcp param, 1)
      when mode = 'o' then opts = space(opts param, 1)
    otherwise
      say 'Option' param 'ignored'
    end
  end
end

env="OS2ENVIRONMENT"
antconf = _getenv_('antconf' 'antconf.cmd')
runrc = _getenv_('runrc')
interpret 'call "' || runrc || '"' '"' || antconf || '"' 'ETC'
ANT_HOME = value('ANT_HOME',,env)
JAVA_HOME = value('JAVA_HOME',,env)
classpath = value('CLASSPATH',,env)
classes = stream(JAVA_HOME || "\lib\classes.zip", "C", "QUERY EXISTS")
if classes \= '' then classpath = prepend(classpath classes)
classes = stream(JAVA_HOME || "\lib\tools.jar", "C", "QUERY EXISTS")
if classes \= '' then classpath = prepend(classpath classes)

classpath = prepend(classpath ANT_HOME || '\lib\ant-launcher.jar')
'SET CLASSPATH=' || classpath

/* Setting classpathes, options and arguments */
envset = _getenv_('envset')
if cp\=''   then interpret 'call "' || envset || '"' '"; CLASSPATH"' '"' || cp || '"'
if lcp\=''  then interpret 'call "' || envset || '"' '"; LOCALCLASSPATH"' '"' || lcp || '"'
if opts\='' then interpret 'call "' || envset || '"' '"-D ANT_OPTS"' '"' || opts || '"'
if args\='' then interpret 'call "' || envset || '"' '"ANT_ARGS"' '"' || args || '"'

exit 0

addpath: procedure
parse arg path elem
if elem = '' then do
  if path\='' & right(path, 1)\=';' then path = path || ';'
  return path
end
if substr(path, length(path)) = ';' then glue = ''
else glue = ';'
if pos(translate(elem), translate(path)) = 0 then path = path || glue || elem || ';'
return path

prepend: procedure
parse arg path elem
if elem = '' then do
  if path\='' & right(path, 1)\=';' then path = path || ';'
  return path
end
if pos(translate(elem), translate(path)) = 0 then path = elem || ';' || path
return path

_getenv_: procedure expose env
parse arg envar default
if default = '' then default = envar
var = value(translate(envar),,env)
if var = '' then var = default
return var
