/**
* Copyright 2009 Google Inc.
*
* 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.
*/
package net.appjet.bodylock;
import java.io.{StringWriter, StringReader}
import net.appjet.common.util.BetterFile;
object compressor {
def compress(code: String): String = {
import yuicompressor.org.mozilla.javascript.{ErrorReporter, EvaluatorException};
object MyErrorReporter extends ErrorReporter {
def warning(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int) {
if (message startsWith "Try to use a single 'var' statement per scope.") return;
if (line < 0) System.err.println("\n[WARNING] " + message);
else System.err.println("\n[WARNING] " + line + ':' + lineOffset + ':' + message);
}
def error(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int) {
if (line < 0) System.err.println("\n[ERROR] " + message);
else System.err.println("\n[ERROR] " + line + ':' + lineOffset + ':' + message);
java.lang.System.exit(1);
}
def runtimeError(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int): EvaluatorException = {
error(message, sourceName, line, lineSource, lineOffset);
return new EvaluatorException(message);
}
}
val munge = true;
val verbose = false;
val optimize = true;
val wrap = true;
val compressor = new com.yahoo.platform.yui.compressor.JavaScriptCompressor(new StringReader(code), MyErrorReporter);
val writer = new StringWriter;
compressor.compress(writer, if (wrap) 100 else -1, munge, verbose, true, optimize);
writer.toString;
}
def main(args: Array[String]) {
for (fname <- args) {
try {
val src = BetterFile.getFileContents(fname);
val obfSrc = compress(src);
val fw = (new java.io.FileWriter(new java.io.File(fname)));
fw.write(obfSrc, 0, obfSrc.length);
fw.close();
} catch {
case e => {
println("Failed to compress: "+fname+". Quitting.");
e.printStackTrace();
System.exit(1);
}
}
}
}
}
// ignore these:
// import java.io._;
// def doMake {
// lazy val isEtherPad = (args.length >= 2 && args(1) == "etherpad");
// lazy val isNoHelma = (args.length >= 2 && args(1) == "nohelma");
// def getFile(path:String): String = {
// val builder = new StringBuilder(1000);
// val reader = new BufferedReader(new FileReader(path));
// val buf = new Array[Char](1024);
// var numRead = 0;
// while({ numRead = reader.read(buf); numRead } != -1) {
// builder.append(buf, 0, numRead);
// }
// reader.close;
// return builder.toString;
// }
// def putFile(str: String, path: String): Unit = {
// val writer = new FileWriter(path);
// writer.write(str);
// writer.close;
// }
// def writeToString(func:(Writer=>Unit)): String = {
// val writer = new StringWriter;
// func(writer);
// return writer.toString;
// }
// def compressJS(code: String, wrap: Boolean): String = {
// import org.mozilla.javascript.{ErrorReporter, EvaluatorException};
// object MyErrorReporter extends ErrorReporter {
// def warning(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int) {
// if (message startsWith "Try to use a single 'var' statement per scope.") return;
// if (line < 0) System.err.println("\n[WARNING] " + message);
// else System.err.println("\n[WARNING] " + line + ':' + lineOffset + ':' + message);
// }
// def error(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int) {
// if (line < 0) System.err.println("\n[ERROR] " + message);
// else System.err.println("\n[ERROR] " + line + ':' + lineOffset + ':' + message);
// }
// def runtimeError(message:String, sourceName:String, line:Int, lineSource:String, lineOffset:Int): EvaluatorException = {
// error(message, sourceName, line, lineSource, lineOffset);
// return new EvaluatorException(message);
// }
// }
// val munge = true;
// val verbose = false;
// val optimize = true;
// val compressor = new com.yahoo.platform.yui.compressor.JavaScriptCompressor(new StringReader(code), MyErrorReporter);
// return writeToString(compressor.compress(_, if (wrap) 100 else -1, munge, verbose, true, !optimize));
// }
// def compressCSS(code: String, wrap: Boolean): String = {
// val compressor = new com.yahoo.platform.yui.compressor.CssCompressor(new StringReader(code));
// return writeToString(compressor.compress(_, if (wrap) 100 else -1));
// }
// import java.util.regex.{Pattern, Matcher, MatchResult};
// def stringReplace(orig: String, regex: String, groupReferences:Boolean, func:(MatchResult=>String)): String = {
// val buf = new StringBuffer;
// val m = Pattern.compile(regex).matcher(orig);
// while (m.find) {
// var str = func(m);
// if (! groupReferences) {
// str = str.replace("\\", "\\\\").replace("$", "\\$");
// }
// m.appendReplacement(buf, str);
// }
// m.appendTail(buf);
// return buf.toString;
// }
// def stringToExpression(str: String): String = {
// val contents = str.replace("\\", "\\\\").replace("'", "\\'").replace("<", "\\x3c").replace("\n", "\\n").
// replace("\r", "\\n").replace("\t", "\\t");
// return "'"+contents+"'";
// }
// val srcDir = "www";
// val destDir = "build";
// var code = getFile(srcDir+"/ace2_outer.js");
// val useCompression = true; //if (isEtherPad) false else true;
// code = stringReplace(code, "\\$\\$INCLUDE_([A-Z_]+)\\([\"']([^\"']+)[\"']\\)", false, (m:MatchResult) => {
// val includeType = m.group(1);
// val path = m.group(2);
// includeType match {
// case "JS" => {
// var subcode = getFile(srcDir+"/"+path);
// subcode = subcode.replaceAll("var DEBUG=true;//\\$\\$[^\n\r]*", "var DEBUG=false;");
// if (useCompression) subcode = compressJS(subcode, false);
// "('<script type=\"text/javascript\">//<!--\\n'+" + stringToExpression(subcode) +
// "+'//-->\\n</script>')";
// }
// case "CSS" => {
// var subcode = getFile(srcDir+"/"+path);
// if (useCompression) subcode = compressCSS(subcode, false);
// "('<style type=\"text/css\">'+" + stringToExpression(subcode) + "+'</style>')";
// }
// case "JS_Q" => {
// var subcode = getFile(srcDir+"/"+path);
// subcode = subcode.replaceAll("var DEBUG=true;//\\$\\$[^\n\r]*", "var DEBUG=false;");
// if (useCompression) subcode = compressJS(subcode, false);
// "('(\\'<script type=\"text/javascript\">//<!--\\\\n\\'+'+" +
// stringToExpression(stringToExpression(subcode)) +
// "+'+\\'//-->\\\\n\\\\x3c/script>\\')')";
// }
// case "CSS_Q" => {
// var subcode = getFile(srcDir+"/"+path);
// if (useCompression) subcode = compressCSS(subcode, false);
// "('(\\'<style type=\"text/css\">\\'+'+" + stringToExpression(stringToExpression(subcode)) +
// "+'+\\'\\\\x3c/style>\\')')";
// }
// case ("JS_DEV" | "CSS_DEV") => "''";
// case ("JS_Q_DEV" | "CSS_Q_DEV") => "'\\'\\''";
// case _ => "$$INCLUDE_"+includeType+"(\"../www/"+path+"\")";
// }
// });
// if (useCompression) code = compressJS(code, true);
// putFile(code, destDir+"/ace2bare.js");
// var wrapper = getFile(srcDir+"/ace2_wrapper.js");
// if (useCompression) wrapper = compressJS(wrapper, true);
// putFile(wrapper+"\n"+code, destDir+"/ace2.js");
// var index = getFile(srcDir+"/index.html");
// index = index.replaceAll("<!--\\s*DEBUG\\s*-->\\s*([\\s\\S]+?)\\s*<!--\\s*/DEBUG\\s*-->", "");
// index = index.replaceAll("<!--\\s*PROD:\\s*([\\s\\S]+?)\\s*-->", "$1");
// putFile(index, destDir+"/index.html");
// putFile(getFile(srcDir+"/testcode.js"), destDir+"/testcode.js");
// def copyFile(fromFile: String, toFile: String) {
// if (0 != Runtime.getRuntime.exec("cp "+fromFile+" "+toFile).waitFor) {
// printf("copy failed (%s -> %s).\n", fromFile, toFile);
// }
// }
// if (isEtherPad) {
// copyFile("build/ace2.js", "../../../etherpad/src/static/js/ace.js");
// val easysync = getFile(srcDir+"/easy_sync.js");
// putFile(easysync, "../../../etherpad/src/etherpad/collab/easysync.js");
// }
// else if (! isNoHelma) {
// copyFile("build/ace2.js", "../helma_apps/appjet/protectedStatic/js/ace.js");
// }
// }
// def remakeLoop {
// def getStamp: Long = {
// return new java.io.File("www").listFiles.
// filter(! _.getName.endsWith("~")).
// filter(! _.getName.endsWith("#")).
// filter(! _.getName.startsWith(".")).map(_.lastModified).
// reduceLeft(Math.max(_:Long,_:Long));
// }
// var madeStamp:Long = 0;
// var errorStamp:Long = 0;
// while (true) {
// Thread.sleep(500);
// val s = getStamp;
// if (s > madeStamp && s != errorStamp) {
// Thread.sleep(1000);
// if (getStamp == s) {
// madeStamp = s;
// print("Remaking... ");
// try {
// doMake;
// println("OK");
// }
// catch { case e => {
// println("ERROR");
// errorStamp = s;
// } }
// }
// }
// }
// }
// if (args.length >= 1 && args(0) == "auto") {
// remakeLoop;
// }
// else {
// doMake;
// }
