/**
 **      ==================================
 **      OOOO   OOOO OOOO  O      O   OOOO
 **      O   O  O    O     O     O O  O   O
 **      O   O  O    O     O     O O  O   O
 **      OOOO   OOOO OOOO  O     OOO  OOOO
 **      O   O     O    O  O    O   O O   O
 **      O   O     O    O  O    O   O O   O
 **      OOOO   OOOO OOOO  OOOO O   O OOOO
 **      ==================================
 **      BSSLAB, Dr. Stefan Bosse http://www.bsslab.de
 **
 **      COPYRIGHT: THIS SOFTWARE, EXECUTABLE AND SOURCE CODE IS OWNED
 **                 BY THE AUTHOR.
 **                 THIS SOURCE CODE MAY NOT BE COPIED, EXTRACTED,
 **                 MODIFIED, OR OTHERWISE USED IN A CONTEXT
 **                 OUTSIDE OF THE SOFTWARE SYSTEM.
 **
 **    $AUTHORS:     Stefan Bosse
 **    $INITIAL:     (C) 2006-2016 BSSLAB
 **    $CREATED:     1/7/16 by sbosse.
 **    $RCS:         $Id: loader.js,v 1.2 2017/05/27 18:20:44 sbosse Exp $
 **    $VERSION:     1.1.2
 **
 **    $INFO:
 **
 **  Sandbox Loader
 **
 **    $ENDOFINFO
 */
var log = function (arg) {
  console.log(arg);
}

if (global.TARGET=='node')  { 
  var fs = require('fs');

  /** Load a self-contained JS program in a sandbox environment.
   *  Returns a module object {main: function(args) {..}}.
   *  The program can be started by executing m.main([arg1,..]).
   *  File version 
  */
  function loadfile (file,maskext) {
    var m = {},
        p,
        mask = {
          console:{
          log:log,
          warn:log
          },
          process:{
            argv:[],
            cwd:process.cwd,
            env:process.env,
            exit:function () {},
            on:process.on
          }
        },
        text, reg;
    if (maskext) for (p in maskext) {
      mask[p]=maskext[p];
    }
    text = fs.readFileSync(file,'utf8');

    reg = /#!/
    text=text.replace(reg,'//');
    with (mask) {
      m=eval('var x={main:function(args) {process.argv=args; '+text+'}}; x')
    }
    return m;
  }
}
/** Load a self-contained JS program in a sandbox environment.
 *  Returns a module object {main: function(args) {..}}.
 *  The program can be started by executing m.main([arg1,..]).
 *  Text version.
*/
function load (text,maskext) {
  var m = {},
      p,
      mask = {
        console:{
        log:log,
        warn:log
        },
        process:{
          argv:[],
          cwd:process.cwd,
          env:process.env,
          exit:function () {},
          on:(typeof process != 'undefined')?process.on:function () {}
        }
      },
      text, reg;
  if (maskext) for (p in maskext) {
    mask[p]=maskext[p];
  }

  reg = /#!/
  text=text.replace(reg,'//');
  with (mask) {
    m=eval('var x={main:function(args) {process.argv=args; '+text+'}}; x')
  }
  return m;
}


module.exports = {
  load:load,
  loadfile:loadfile!=undefined?loadfile:undefined
}