DeltaScriptFileTester.java

/* --------------------------------------------------------- *
 *    __________    D E L T A S C R I P T                    *
 *   (_________()                                            *
 *    /  ===   /   - A fast, dynamic scripting language      *
 *   |  ==    |    - Version 4.13.11.0                       *
 *   /  ===   /    - Developed by Adam R. Nelson             *
 *  |  =  =  |     - 2011-2013                               *
 *  /  ===   /     - Distributed under GNU LGPL v3           *
 * (________()     - http://github.com/ar-nelson/deltascript *
 *                                                           *
 * --------------------------------------------------------- */

package com.sector91.delta.script.profiling;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;

import javax.swing.JFileChooser;

import com.sector91.delta.script.DScriptErr;
import com.sector91.delta.script.DScriptContext;
import com.sector91.delta.script.DeltaScript;
import com.sector91.delta.script.instrs.DSInstr;
import com.sector91.delta.script.parser.DScriptBinaryReader;

public class DeltaScriptFileTester
{
    public static void main(String[] args) throws Exception
    {
        System.out.println(":: Displaying open dialog...");
        final JFileChooser fc = new JFileChooser();
        int returnVal = fc.showOpenDialog(null);
        fc.requestFocus();
        if (returnVal == JFileChooser.APPROVE_OPTION)
        {
            File file = fc.getSelectedFile();
            System.out.println(":: Loading " + file.getCanonicalPath() + "...");
            final FileInputStream fileStream = new FileInputStream(file);
            boolean closed = false;
            
            final DScriptContext context = new DScriptContext();
            try
            {
                if (file.getName().endsWith(DeltaScript.SRC_EXT))
                {
                    final StringBuffer scriptText = new StringBuffer();
                    final BufferedReader reader =
                        new BufferedReader(new InputStreamReader(fileStream,
                                DeltaScript.FILE_ENCODING));
                    while (reader.ready())
                        scriptText.append(reader.readLine()+"\n");
                    reader.close();
                    closed = true;
                    System.out.println(":: Compiling...");
                    DSInstr script = DeltaScript.compile(
                            scriptText.toString(), file.getName(), context);
                    System.out.println(":: Executing...\n");
                    DeltaScript.exec(script, context);
                    System.out.println("\n:: Done.");
                }
                else if (file.getName().endsWith(DeltaScript.BIN_EXT))
                {
                    System.out.println(":: Compiling...");
                    final DScriptBinaryReader reader =  new DScriptBinaryReader(
                            fileStream);
                    DSInstr script = reader.read(context, file.getName());
                    reader.close();
                    closed = true;
                    System.out.println(":: Executing...\n");
                    DeltaScript.exec(script, context);
                    System.out.println("\n:: Done.");
                }
                else
                    System.out.println(":: Not a valid DeltaScript file. Must" +
                        " end with .ds or .dsc.");
            }
            catch (DScriptErr ex)
            {System.out.println(ex)/*.getConsoleMessage())*/;}
            finally
            {if (!closed) fileStream.close();}
        } 
        else
        {System.out.println(":: Canceled.");}
    }
}