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authoralexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c <none@none>2010-02-03 00:50:41 +0000
committeralexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c <none@none>2010-02-03 00:50:41 +0000
commit89bda83e0570ab87c6e449f5955613d5385e90b3 (patch)
treebeae82eff98e4b6e18e1521c49d48d087a8cef55 /trunk/infrastructure/framework-src/modules/yuicompressor.js
parentd912ef9675f2e516df4eba081107729afbffe10c (diff)
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removed obsolete svn folder from hg tree
--HG-- extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%408
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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.
- */
-
-
-jimport("java.lang.System.err")
-jimport("yuicompressor.org.mozilla.javascript.ErrorReporter");
-jimport("com.yahoo.platform.yui.compressor.JavaScriptCompressor")
-jimport("com.yahoo.platform.yui.compressor.CssCompressor")
-jimport("java.io.StringReader");
-jimport("java.io.StringWriter");
-
-/**
- * Compresses the given JavaScript code into an equivalent, shorter string of code using
- * YUICompressor. In addition to removing white-space and comments, YUICompressor
- * does a full semantic parse of the code and renames non-global variables to have
- * very short names. Scopes that are visible to "eval" and "with" are excluded from
- * variable renaming, making the operation very safe.
- * <p>
- * For example,
- * yuicompressor.compressJS("function foo() { var longVariableName = 3; return longVariableName }");
- * produces
- * "function foo(){var A=3;return A;}"
- */
-
-function compressJS(code) {
- function getComplaint(message, sourceName, line, lineSource, lineOffset) {
- if (line < 0) return message;
- else return (line+":"+lineOffset+":"+message);
- }
- function complaintHandler(func) {
- return function(message, sourceName, line, lineSource, lineOffset) {
- return func(getComplaint(message, sourceName, line, lineSource, lineOffset));
- }
- }
- var myErrorReporter = new JavaAdapter(ErrorReporter, {
- warning: complaintHandler(function (msg) {
- if (msg.indexOf("Try to use a single 'var' statement per scope.") >= 0)
- return;
- err.println("yuicompressor.compressJS warning: "+msg);
- }),
- error: complaintHandler(function (msg) {
- throw new Error("yuicompressor.compressJS error: "+msg);
- }),
- runtimeError: complaintHandler(function (msg) {
- throw new Error("yuicompressor.compressJS error: "+msg);
- })
- });
-
- var munge = true;
- var verbose = false;
- var optimize = true;
- var wrapPos = 100; // characters, no wrap == -1
- var compressor = new JavaScriptCompressor(new StringReader(code), myErrorReporter);
- var writer = new StringWriter();
- compressor.compress(writer, 100, munge, verbose, true, !optimize);
- return String(writer.toString());
-}
-
-/**
- * Compresses the given CSS code into an equivalent, shorter string of code using
- * YUICompressor. Besides removing unnecessary white-space and comments, the operation
- * performs an assortment of semantics-preserving optimizations. The operation attempts
- * to preserve common "hacks" that take advantage of browser differences in parsing.
- */
-
-function compressCSS(code) {
- var compressor = new CssCompressor(new StringReader(code));
- var wrapPos = 100; // characters, no wrap == -1
- var writer = new StringWriter();
- compressor.compress(writer, wrapPos);
- return String(writer.toString());
-}