content: /*
   * $Id: Console.java,v 1.7 2006/12/22 14:06:40 thiago Exp $
   * Copyright (C) 2003-2007 Kepler Project.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package org.keplerproject.luajava;
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  
  /**
   * Simple LuaJava console.
   * This is also an example on how to use the Java side of LuaJava and how to startup
   * a LuaJava application.
   * 
   * @author Thiago Ponte
   */
  public class Console
  {
  
     /**
      * Creates a console for user interaction.
      * 
      * @param args	names of the lua files to be executed
      */
     public static void main(String[] args)
     {
        try
        {
           LuaState L = LuaStateFactory.newLuaState();
           L.openLibs();
  
           if (args.length > 0)
           {
              for (int i = 0; i < args.length; i++)
              {
                 int res = L.LloadFile(args[i]);
                 if (res == 0)
                 {
                    res = L.pcall(0, 0, 0);
                 }
                 if (res != 0)
                 {
                    throw new LuaException("Error on file: " + args[i] + ". " + L.toString(-1));
                 }
              }
  
              return;
           }
  
           System.out.println("API Lua Java - console mode.");
  
           BufferedReader inp = new BufferedReader(new InputStreamReader(System.in));
  
           String line;
  
           System.out.print("> ");
           while ((line = inp.readLine()) != null && !line.equals("exit"))
           {
              int ret = L.LloadBuffer(line.getBytes(), "from console");
              if (ret == 0)
              {
                 ret = L.pcall(0, 0, 0);
              }
              if (ret != 0)
              {
                 System.err.println("Error on line: " + line);
                 System.err.println(L.toString(-1));
              }
              System.out.print("> ");
           }
  
           L.close();
        }
        catch (Exception e)
        {
           e.printStackTrace();
        }
  
     }
  }