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-rw-r--r--infrastructure/net.appjet.bodylock/compressor.scala269
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diff --git a/infrastructure/net.appjet.bodylock/compressor.scala b/infrastructure/net.appjet.bodylock/compressor.scala
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+/**
+ * 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;
+// }
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