private void btnCompress_Click(object sender, System.EventArgs e)
{
DateTime dtStartTime;
TimeSpan tsElapsed;
long lOriginalSize, lCompressedSize, lBytesSaved;
// Compress the script
JSCompressor jsc = new JSCompressor(chkRemoveLFs.Checked,
chkCompressVariables.Checked);
// If checked only test variable name compression. The script
// itself will not be compressed with the exception of comment
// removal.
if(chkVarCompTest.Checked)
jsc.TestVariableNameCompression = true;
dtStartTime = DateTime.Now;
this.txtCompressed.Text = jsc.Compress(this.txtScript.Text);
tsElapsed = DateTime.Now - dtStartTime;
// Display stats
lOriginalSize = txtScript.Text.Length;
lCompressedSize = txtCompressed.Text.Length;
lBytesSaved = lOriginalSize - lCompressedSize;
this.lblElapsedTime.Text = String.Format("{0:F2}", tsElapsed.TotalSeconds);
this.lblOriginalSize.Text = lOriginalSize.ToString();
this.lblCompressedSize.Text = lCompressedSize.ToString();
this.lblBytesSaved.Text = lBytesSaved.ToString();
this.lblPercentSaved.Text = String.Format("{0:P}",
(lBytesSaved < 1) ? 0.0 : (double)lBytesSaved / (double)lOriginalSize);
}
static int Main(string[] args)
{
bool bSuccess = true;
string strOpt;
Console.WriteLine(@"JavaScript Compressor version {0}
Copyright (c) 2003-2006, Eric Woodruff, All rights reserved
E-Mail: [email protected]",
Assembly.GetExecutingAssembly().GetName().Version.ToString());
if(args.GetUpperBound(0) < 0)
{
Help();
return 1;
}
// Create compressor. Default to line feed removal mode.
jsc = new JSCompressor(true);
foreach(string strArg in args)
{
strOpt = strArg.ToLower(CultureInfo.InvariantCulture);
switch(strOpt)
{
case "/?": // Show help
Help();
break;
case "/q": // Shut up about the stats
bQuiet = true;
break;
case "/d": // LF removal enabled (default)
jsc.LineFeedRemoval = true;
break;
case "/k": // LF removal disabled
jsc.LineFeedRemoval = false;
break;
case "/v": // Compress variable names
jsc.CompressVariableNames = true;
break;
case "/t": // Variable name compression test
jsc.TestVariableNameCompression = true;
break;
case "/f": // Force compression in debug mode
bForceComp = true;
break;
case "/r": // Recurse sub-folders on each filespec too
bRecurseSubFolders = true;
break;
default:
// If using the VS.NET pre-build command macro
// $(ConfigurationName), it may not match "Debug" or
// "Release" exactly so accept anything that starts
// with those keywords. For the "/Out" option, the
// folder to use follows the ":".
if(strOpt.Length >= 6 && strOpt.Substring(0, 6) == "/debug")
{
// Debug build, suppress compression
Console.WriteLine("DEBUG BUILD - Script compression disabled unless forced (/f)\n");
bDebug = true;
}
else if(strOpt.Length >= 8 && strOpt.Substring(0, 8) == "/release")
{
Console.WriteLine("RELEASE BUILD - Script compression enabled\n");
bDebug = false;
}
else if(strOpt.Length > 3 && strOpt.Substring(0, 3) == "/o:")
{
// Set output folder or compress files
strOutFolder = strArg.Substring(3);
if(strOutFolder.EndsWith("\\") == false)
strOutFolder += "\\";
}
else
bSuccess = CompressFileSpec(strArg);
break;
}
if(!bSuccess)
break;
}
// For debugging
#if DEBUG
Console.WriteLine("Press ENTER to quit");
Console.ReadLine();
#endif
return (bSuccess) ? 0 : 1;
}