aboutsummaryrefslogtreecommitdiffstats
path: root/trunk/infrastructure/net.appjet.bodylock/compressor.scala
blob: 5041787174d0bada86f3e8cb5fe127c2ed277f3d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
/**
 * 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;
// }