reorganizing the first level of folders (trunk/branch folders are not the git way :)

8 files changed, 2159 insertions, 0 deletions

diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/Bootstrap.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/Bootstrap.java
new file mode 100644
index 0000000..1b95aca
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/Bootstrap.java
@@ -0,0 +1,22 @@
+/*

+ * YUI Compressor

+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>

+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.

+ * Code licensed under the BSD License:

+ *     http://developer.yahoo.net/yui/license.txt

+ */

+

+package com.yahoo.platform.yui.compressor;

+

+import java.lang.reflect.Method;

+

+public class Bootstrap {

+

+    public static void main(String args[]) throws Exception {

+        ClassLoader loader = new JarClassLoader();

+        Thread.currentThread().setContextClassLoader(loader);

+        Class c = loader.loadClass(YUICompressor.class.getName());

+        Method main = c.getMethod("main", new Class[]{String[].class});

+        main.invoke(null, new Object[]{args});

+    }

+}
\ No newline at end of file
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/CssCompressor.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/CssCompressor.java
new file mode 100644
index 0000000..68b4de9
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/CssCompressor.java
@@ -0,0 +1,188 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ *
+ * This code is a port of Isaac Schlueter's cssmin utility.
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+
+public class CssCompressor {
+
+    private StringBuffer srcsb = new StringBuffer();
+
+    public CssCompressor(Reader in) throws IOException {
+        // Read the stream...
+        int c;
+        while ((c = in.read()) != -1) {
+            srcsb.append((char) c);
+        }
+    }
+
+    public void compress(Writer out, int linebreakpos)
+            throws IOException {
+
+        Pattern p;
+        Matcher m;
+        String css;
+        StringBuffer sb;
+        int startIndex, endIndex;
+
+        // Remove all comment blocks...
+        startIndex = 0;
+        boolean iemac = false;
+        boolean preserve = false;
+        sb = new StringBuffer(srcsb.toString());
+        while ((startIndex = sb.indexOf("/*", startIndex)) >= 0) {
+            preserve = sb.length() > startIndex + 2 && sb.charAt(startIndex + 2) == '!';
+            endIndex = sb.indexOf("*/", startIndex + 2);
+            if (endIndex < 0) {
+                if (!preserve) {
+                    sb.delete(startIndex, sb.length());
+                }
+            } else if (endIndex >= startIndex + 2) {
+                if (sb.charAt(endIndex-1) == '\\') {
+                    // Looks like a comment to hide rules from IE Mac.
+                    // Leave this comment, and the following one, alone...
+                    startIndex = endIndex + 2;
+                    iemac = true;
+                } else if (iemac) {
+                    startIndex = endIndex + 2;
+                    iemac = false;
+                } else if (!preserve) {
+                    sb.delete(startIndex, endIndex + 2);
+                } else {
+                    startIndex = endIndex + 2;
+                }
+            }
+        }
+
+        css = sb.toString();
+
+        // Normalize all whitespace strings to single spaces. Easier to work with that way.
+        css = css.replaceAll("\\s+", " ");
+
+        // Make a pseudo class for the Box Model Hack
+        css = css.replaceAll("\"\\\\\"}\\\\\"\"", "___PSEUDOCLASSBMH___");
+
+        // Remove the spaces before the things that should not have spaces before them.
+        // But, be careful not to turn "p :link {...}" into "p:link{...}"
+        // Swap out any pseudo-class colons with the token, and then swap back.
+        sb = new StringBuffer();
+        p = Pattern.compile("(^|\\})(([^\\{:])+:)+([^\\{]*\\{)");
+        m = p.matcher(css);
+        while (m.find()) {
+            String s = m.group();
+            s = s.replaceAll(":", "___PSEUDOCLASSCOLON___");
+            m.appendReplacement(sb, s);
+        }
+        m.appendTail(sb);
+        css = sb.toString();
+        css = css.replaceAll("\\s+([!{};:>+\\(\\)\\],])", "$1");
+        css = css.replaceAll("___PSEUDOCLASSCOLON___", ":");
+
+        // Remove the spaces after the things that should not have spaces after them.
+        css = css.replaceAll("([!{}:;>+\\(\\[,])\\s+", "$1");
+
+        // Add the semicolon where it's missing.
+        css = css.replaceAll("([^;\\}])}", "$1;}");
+
+        // Replace 0(px,em,%) with 0.
+        css = css.replaceAll("([\\s:])(0)(px|em|%|in|cm|mm|pc|pt|ex)", "$1$2");
+
+        // Replace 0 0 0 0; with 0.
+        css = css.replaceAll(":0 0 0 0;", ":0;");
+        css = css.replaceAll(":0 0 0;", ":0;");
+        css = css.replaceAll(":0 0;", ":0;");
+        // Replace background-position:0; with background-position:0 0;
+        css = css.replaceAll("background-position:0;", "background-position:0 0;");
+
+        // Replace 0.6 to .6, but only when preceded by : or a white-space
+        css = css.replaceAll("(:|\\s)0+\\.(\\d+)", "$1.$2");
+
+        // Shorten colors from rgb(51,102,153) to #336699
+        // This makes it more likely that it'll get further compressed in the next step.
+        p = Pattern.compile("rgb\\s*\\(\\s*([0-9,\\s]+)\\s*\\)");
+        m = p.matcher(css);
+        sb = new StringBuffer();
+        while (m.find()) {
+            String[] rgbcolors = m.group(1).split(",");
+            StringBuffer hexcolor = new StringBuffer("#");
+            for (int i = 0; i < rgbcolors.length; i++) {
+                int val = Integer.parseInt(rgbcolors[i]);
+                if (val < 16) {
+                    hexcolor.append("0");
+                }
+                hexcolor.append(Integer.toHexString(val));
+            }
+            m.appendReplacement(sb, hexcolor.toString());
+        }
+        m.appendTail(sb);
+        css = sb.toString();
+
+        // Shorten colors from #AABBCC to #ABC. Note that we want to make sure
+        // the color is not preceded by either ", " or =. Indeed, the property
+        //     filter: chroma(color="#FFFFFF");
+        // would become
+        //     filter: chroma(color="#FFF");
+        // which makes the filter break in IE.
+        p = Pattern.compile("([^\"'=\\s])(\\s*)#([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])");
+        m = p.matcher(css);
+        sb = new StringBuffer();
+        while (m.find()) {
+            // Test for AABBCC pattern
+            if (m.group(3).equalsIgnoreCase(m.group(4)) &&
+                    m.group(5).equalsIgnoreCase(m.group(6)) &&
+                    m.group(7).equalsIgnoreCase(m.group(8))) {
+                m.appendReplacement(sb, m.group(1) + m.group(2) + "#" + m.group(3) + m.group(5) + m.group(7));
+            } else {
+                m.appendReplacement(sb, m.group());
+            }
+        }
+        m.appendTail(sb);
+        css = sb.toString();
+
+        // Remove empty rules.
+        css = css.replaceAll("[^\\}]+\\{;\\}", "");
+
+        if (linebreakpos >= 0) {
+            // Some source control tools don't like it when files containing lines longer
+            // than, say 8000 characters, are checked in. The linebreak option is used in
+            // that case to split long lines after a specific column.
+            int i = 0;
+            int linestartpos = 0;
+            sb = new StringBuffer(css);
+            while (i < sb.length()) {
+                char c = sb.charAt(i++);
+                if (c == '}' && i - linestartpos > linebreakpos) {
+                    sb.insert(i, '\n');
+                    linestartpos = i;
+                }
+            }
+
+            css = sb.toString();
+        }
+
+        // Replace the pseudo class for the Box Model Hack
+        css = css.replaceAll("___PSEUDOCLASSBMH___", "\"\\\\\"}\\\\\"\"");
+
+        // Replace multiple semi-colons in a row by a single one
+        // See SF bug #1980989
+        css = css.replaceAll(";;+", ";");
+
+        // Trim the final string (for any leading or trailing white spaces)
+        css = css.trim();
+
+        // Write the output...
+        out.write(css);
+    }
+}
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JarClassLoader.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JarClassLoader.java
new file mode 100644
index 0000000..a6d3e13
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JarClassLoader.java
@@ -0,0 +1,158 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Enumeration;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+public class JarClassLoader extends ClassLoader {
+
+    private static String jarPath;
+
+    public Class loadClass(String name) throws ClassNotFoundException {
+
+        // First check if the class is already loaded
+        Class c = findLoadedClass(name);
+        if (c == null) {
+            c = findClass(name);
+        }
+
+        if (c == null) {
+            c = ClassLoader.getSystemClassLoader().loadClass(name);
+        }
+
+        return c;
+    }
+
+    private static String getJarPath() {
+
+        if (jarPath != null) {
+            return jarPath;
+        }
+
+        String classname = JarClassLoader.class.getName().replace('.', '/') + ".class";
+        String classpath = System.getProperty("java.class.path");
+        String classpaths[] = classpath.split(System.getProperty("path.separator"));
+
+        for (int i = 0; i < classpaths.length; i++) {
+
+            String path = classpaths[i];
+            JarFile jarFile = null;
+            JarEntry jarEntry = null;
+
+            try {
+                jarFile = new JarFile(path);
+                jarEntry = findJarEntry(jarFile, classname);
+            } catch (IOException ioe) {
+                /* ignore */
+            } finally {
+                if (jarFile != null) {
+                    try {
+                        jarFile.close();
+                    } catch (IOException ioe) {
+                        /* ignore */
+                    }
+                }
+            }
+
+            if (jarEntry != null) {
+                jarPath = path;
+                break;
+            }
+        }
+
+        return jarPath;
+    }
+
+    private static JarEntry findJarEntry(JarFile jarFile, String entryName) {
+
+        Enumeration entries = jarFile.entries();
+
+        while (entries.hasMoreElements()) {
+            JarEntry entry = (JarEntry) entries.nextElement();
+            if (entry.getName().equals(entryName)) {
+                return entry;
+            }
+        }
+
+        return null;
+    }
+
+    protected Class findClass(String name) {
+
+        Class c = null;
+        String jarPath = getJarPath();
+
+        if (jarPath != null) {
+            JarFile jarFile = null;
+            try {
+                jarFile = new JarFile(jarPath);
+                c = loadClassData(jarFile, name);
+            } catch (IOException ioe) {
+                /* ignore */
+            } finally {
+                if (jarFile != null) {
+                    try {
+                        jarFile.close();
+                    } catch (IOException ioe) {
+                        /* ignore */
+                    }
+                }
+            }
+        }
+
+        return c;
+    }
+
+    private Class loadClassData(JarFile jarFile, String className) {
+
+        String entryName = className.replace('.', '/') + ".class";
+        JarEntry jarEntry = findJarEntry(jarFile, entryName);
+        if (jarEntry == null) {
+            return null;
+        }
+
+        // Create the necessary package if needed...
+        int index = className.lastIndexOf('.');
+        if (index >= 0) {
+            String packageName = className.substring(0, index);
+            if (getPackage(packageName) == null) {
+                definePackage(packageName, "", "", "", "", "", "", null);
+            }
+        }
+
+        // Read the Jar File entry and define the class...
+        Class c = null;
+        try {
+            InputStream is = jarFile.getInputStream(jarEntry);
+            ByteArrayOutputStream os = new ByteArrayOutputStream();
+            copy(is, os);
+            byte[] bytes = os.toByteArray();
+            c = defineClass(className, bytes, 0, bytes.length);
+        } catch (IOException ioe) {
+            /* ignore */
+        }
+
+        return c;
+    }
+
+    private void copy(InputStream in, OutputStream out) throws IOException {
+        byte[] buf = new byte[1024];
+        while (true) {
+            int len = in.read(buf);
+            if (len < 0) break;
+            out.write(buf, 0, len);
+        }
+    }
+}
\ No newline at end of file
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptCompressor.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptCompressor.java
new file mode 100644
index 0000000..e69ae1a
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptCompressor.java
@@ -0,0 +1,1307 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import yuicompressor.org.mozilla.javascript.*;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class JavaScriptCompressor {
+
+    static final ArrayList ones;
+    static final ArrayList twos;
+    static final ArrayList threes;
+
+    static final Set builtin = new HashSet();
+    static final Map literals = new Hashtable();
+    static final Set reserved = new HashSet();
+
+    static {
+
+        // This list contains all the 3 characters or less built-in global
+        // symbols available in a browser. Please add to this list if you
+        // see anything missing.
+        builtin.add("NaN");
+        builtin.add("top");
+
+        ones = new ArrayList();
+        for (char c = 'A'; c <= 'Z'; c++)
+            ones.add(Character.toString(c));
+        for (char c = 'a'; c <= 'z'; c++)
+            ones.add(Character.toString(c));
+
+        twos = new ArrayList();
+        for (int i = 0; i < ones.size(); i++) {
+            String one = (String) ones.get(i);
+            for (char c = 'A'; c <= 'Z'; c++)
+                twos.add(one + Character.toString(c));
+            for (char c = 'a'; c <= 'z'; c++)
+                twos.add(one + Character.toString(c));
+            for (char c = '0'; c <= '9'; c++)
+                twos.add(one + Character.toString(c));
+        }
+
+        // Remove two-letter JavaScript reserved words and built-in globals...
+        twos.remove("as");
+        twos.remove("is");
+        twos.remove("do");
+        twos.remove("if");
+        twos.remove("in");
+        twos.removeAll(builtin);
+
+        threes = new ArrayList();
+        for (int i = 0; i < twos.size(); i++) {
+            String two = (String) twos.get(i);
+            for (char c = 'A'; c <= 'Z'; c++)
+                threes.add(two + Character.toString(c));
+            for (char c = 'a'; c <= 'z'; c++)
+                threes.add(two + Character.toString(c));
+            for (char c = '0'; c <= '9'; c++)
+                threes.add(two + Character.toString(c));
+        }
+
+        // Remove three-letter JavaScript reserved words and built-in globals...
+        threes.remove("for");
+        threes.remove("int");
+        threes.remove("new");
+        threes.remove("try");
+        threes.remove("use");
+        threes.remove("var");
+        threes.removeAll(builtin);
+
+        // That's up to ((26+26)*(1+(26+26+10)))*(1+(26+26+10))-8
+        // (206,380 symbols per scope)
+
+        // The following list comes from org/mozilla/javascript/Decompiler.java...
+        literals.put(new Integer(Token.GET), "get ");
+        literals.put(new Integer(Token.SET), "set ");
+        literals.put(new Integer(Token.TRUE), "true");
+        literals.put(new Integer(Token.FALSE), "false");
+        literals.put(new Integer(Token.NULL), "null");
+        literals.put(new Integer(Token.THIS), "this");
+        literals.put(new Integer(Token.FUNCTION), "function");
+        literals.put(new Integer(Token.COMMA), ",");
+        literals.put(new Integer(Token.LC), "{");
+        literals.put(new Integer(Token.RC), "}");
+        literals.put(new Integer(Token.LP), "(");
+        literals.put(new Integer(Token.RP), ")");
+        literals.put(new Integer(Token.LB), "[");
+        literals.put(new Integer(Token.RB), "]");
+        literals.put(new Integer(Token.DOT), ".");
+        literals.put(new Integer(Token.NEW), "new ");
+        literals.put(new Integer(Token.DELPROP), "delete ");
+        literals.put(new Integer(Token.IF), "if");
+        literals.put(new Integer(Token.ELSE), "else");
+        literals.put(new Integer(Token.FOR), "for");
+        literals.put(new Integer(Token.IN), " in ");
+        literals.put(new Integer(Token.WITH), "with");
+        literals.put(new Integer(Token.WHILE), "while");
+        literals.put(new Integer(Token.DO), "do");
+        literals.put(new Integer(Token.TRY), "try");
+        literals.put(new Integer(Token.CATCH), "catch");
+        literals.put(new Integer(Token.FINALLY), "finally");
+        literals.put(new Integer(Token.THROW), "throw");
+        literals.put(new Integer(Token.SWITCH), "switch");
+        literals.put(new Integer(Token.BREAK), "break");
+        literals.put(new Integer(Token.CONTINUE), "continue");
+        literals.put(new Integer(Token.CASE), "case");
+        literals.put(new Integer(Token.DEFAULT), "default");
+        literals.put(new Integer(Token.RETURN), "return");
+        literals.put(new Integer(Token.VAR), "var ");
+        literals.put(new Integer(Token.SEMI), ";");
+        literals.put(new Integer(Token.ASSIGN), "=");
+        literals.put(new Integer(Token.ASSIGN_ADD), "+=");
+        literals.put(new Integer(Token.ASSIGN_SUB), "-=");
+        literals.put(new Integer(Token.ASSIGN_MUL), "*=");
+        literals.put(new Integer(Token.ASSIGN_DIV), "/=");
+        literals.put(new Integer(Token.ASSIGN_MOD), "%=");
+        literals.put(new Integer(Token.ASSIGN_BITOR), "|=");
+        literals.put(new Integer(Token.ASSIGN_BITXOR), "^=");
+        literals.put(new Integer(Token.ASSIGN_BITAND), "&=");
+        literals.put(new Integer(Token.ASSIGN_LSH), "<<=");
+        literals.put(new Integer(Token.ASSIGN_RSH), ">>=");
+        literals.put(new Integer(Token.ASSIGN_URSH), ">>>=");
+        literals.put(new Integer(Token.HOOK), "?");
+        literals.put(new Integer(Token.OBJECTLIT), ":");
+        literals.put(new Integer(Token.COLON), ":");
+        literals.put(new Integer(Token.OR), "||");
+        literals.put(new Integer(Token.AND), "&&");
+        literals.put(new Integer(Token.BITOR), "|");
+        literals.put(new Integer(Token.BITXOR), "^");
+        literals.put(new Integer(Token.BITAND), "&");
+        literals.put(new Integer(Token.SHEQ), "===");
+        literals.put(new Integer(Token.SHNE), "!==");
+        literals.put(new Integer(Token.EQ), "==");
+        literals.put(new Integer(Token.NE), "!=");
+        literals.put(new Integer(Token.LE), "<=");
+        literals.put(new Integer(Token.LT), "<");
+        literals.put(new Integer(Token.GE), ">=");
+        literals.put(new Integer(Token.GT), ">");
+        literals.put(new Integer(Token.INSTANCEOF), " instanceof ");
+        literals.put(new Integer(Token.LSH), "<<");
+        literals.put(new Integer(Token.RSH), ">>");
+        literals.put(new Integer(Token.URSH), ">>>");
+        literals.put(new Integer(Token.TYPEOF), "typeof");
+        literals.put(new Integer(Token.VOID), "void ");
+        literals.put(new Integer(Token.CONST), "const ");
+        literals.put(new Integer(Token.NOT), "!");
+        literals.put(new Integer(Token.BITNOT), "~");
+        literals.put(new Integer(Token.POS), "+");
+        literals.put(new Integer(Token.NEG), "-");
+        literals.put(new Integer(Token.INC), "++");
+        literals.put(new Integer(Token.DEC), "--");
+        literals.put(new Integer(Token.ADD), "+");
+        literals.put(new Integer(Token.SUB), "-");
+        literals.put(new Integer(Token.MUL), "*");
+        literals.put(new Integer(Token.DIV), "/");
+        literals.put(new Integer(Token.MOD), "%");
+        literals.put(new Integer(Token.COLONCOLON), "::");
+        literals.put(new Integer(Token.DOTDOT), "..");
+        literals.put(new Integer(Token.DOTQUERY), ".(");
+        literals.put(new Integer(Token.XMLATTR), "@");
+
+        // See http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Reserved_Words
+
+        // JavaScript 1.5 reserved words
+        reserved.add("break");
+        reserved.add("case");
+        reserved.add("catch");
+        reserved.add("continue");
+        reserved.add("default");
+        reserved.add("delete");
+        reserved.add("do");
+        reserved.add("else");
+        reserved.add("finally");
+        reserved.add("for");
+        reserved.add("function");
+        reserved.add("if");
+        reserved.add("in");
+        reserved.add("instanceof");
+        reserved.add("new");
+        reserved.add("return");
+        reserved.add("switch");
+        reserved.add("this");
+        reserved.add("throw");
+        reserved.add("try");
+        reserved.add("typeof");
+        reserved.add("var");
+        reserved.add("void");
+        reserved.add("while");
+        reserved.add("with");
+        // Words reserved for future use
+        reserved.add("abstract");
+        reserved.add("boolean");
+        reserved.add("byte");
+        reserved.add("char");
+        reserved.add("class");
+        reserved.add("const");
+        reserved.add("debugger");
+        reserved.add("double");
+        reserved.add("enum");
+        reserved.add("export");
+        reserved.add("extends");
+        reserved.add("final");
+        reserved.add("float");
+        reserved.add("goto");
+        reserved.add("implements");
+        reserved.add("import");
+        reserved.add("int");
+        reserved.add("interface");
+        reserved.add("long");
+        reserved.add("native");
+        reserved.add("package");
+        reserved.add("private");
+        reserved.add("protected");
+        reserved.add("public");
+        reserved.add("short");
+        reserved.add("static");
+        reserved.add("super");
+        reserved.add("synchronized");
+        reserved.add("throws");
+        reserved.add("transient");
+        reserved.add("volatile");
+        // These are not reserved, but should be taken into account
+        // in isValidIdentifier (See jslint source code)
+        reserved.add("arguments");
+        reserved.add("eval");
+        reserved.add("true");
+        reserved.add("false");
+        reserved.add("Infinity");
+        reserved.add("NaN");
+        reserved.add("null");
+        reserved.add("undefined");
+    }
+
+    private static int countChar(String haystack, char needle) {
+        int idx = 0;
+        int count = 0;
+        int length = haystack.length();
+        while (idx < length) {
+            char c = haystack.charAt(idx++);
+            if (c == needle) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    private static int printSourceString(String source, int offset, StringBuffer sb) {
+        int length = source.charAt(offset);
+        ++offset;
+        if ((0x8000 & length) != 0) {
+            length = ((0x7FFF & length) << 16) | source.charAt(offset);
+            ++offset;
+        }
+        if (sb != null) {
+            String str = source.substring(offset, offset + length);
+            sb.append(str);
+        }
+        return offset + length;
+    }
+
+    private static int printSourceNumber(String source,
+            int offset, StringBuffer sb) {
+        double number = 0.0;
+        char type = source.charAt(offset);
+        ++offset;
+        if (type == 'S') {
+            if (sb != null) {
+                number = source.charAt(offset);
+            }
+            ++offset;
+        } else if (type == 'J' || type == 'D') {
+            if (sb != null) {
+                long lbits;
+                lbits = (long) source.charAt(offset) << 48;
+                lbits |= (long) source.charAt(offset + 1) << 32;
+                lbits |= (long) source.charAt(offset + 2) << 16;
+                lbits |= (long) source.charAt(offset + 3);
+                if (type == 'J') {
+                    number = lbits;
+                } else {
+                    number = Double.longBitsToDouble(lbits);
+                }
+            }
+            offset += 4;
+        } else {
+            // Bad source
+            throw new RuntimeException();
+        }
+        if (sb != null) {
+            sb.append(ScriptRuntime.numberToString(number, 10));
+        }
+        return offset;
+    }
+
+    private static ArrayList parse(Reader in, ErrorReporter reporter)
+            throws IOException, EvaluatorException {
+
+        CompilerEnvirons env = new CompilerEnvirons();
+        Parser parser = new Parser(env, reporter);
+        parser.parse(in, null, 1);
+        String source = parser.getEncodedSource();
+
+        int offset = 0;
+        int length = source.length();
+        ArrayList tokens = new ArrayList();
+        StringBuffer sb = new StringBuffer();
+
+        while (offset < length) {
+            int tt = source.charAt(offset++);
+            switch (tt) {
+
+                case Token.SPECIALCOMMENT:
+                case Token.NAME:
+                case Token.REGEXP:
+                case Token.STRING:
+                    sb.setLength(0);
+                    offset = printSourceString(source, offset, sb);
+                    tokens.add(new JavaScriptToken(tt, sb.toString()));
+                    break;
+
+                case Token.NUMBER:
+                    sb.setLength(0);
+                    offset = printSourceNumber(source, offset, sb);
+                    tokens.add(new JavaScriptToken(tt, sb.toString()));
+                    break;
+
+                default:
+                    String literal = (String) literals.get(new Integer(tt));
+                    if (literal != null) {
+                        tokens.add(new JavaScriptToken(tt, literal));
+                    }
+                    break;
+            }
+        }
+
+        return tokens;
+    }
+
+    private static void processStringLiterals(ArrayList tokens, boolean merge) {
+
+        String tv;
+        int i, length = tokens.size();
+        JavaScriptToken token, prevToken, nextToken;
+
+        if (merge) {
+
+            // Concatenate string literals that are being appended wherever
+            // it is safe to do so. Note that we take care of the case:
+            //     "a" + "b".toUpperCase()
+
+            for (i = 0; i < length; i++) {
+                token = (JavaScriptToken) tokens.get(i);
+                switch (token.getType()) {
+
+                    case Token.ADD:
+                        if (i > 0 && i < length) {
+                            prevToken = (JavaScriptToken) tokens.get(i - 1);
+                            nextToken = (JavaScriptToken) tokens.get(i + 1);
+                            if (prevToken.getType() == Token.STRING && nextToken.getType() == Token.STRING &&
+                                    (i == length - 1 || ((JavaScriptToken) tokens.get(i + 2)).getType() != Token.DOT)) {
+                                tokens.set(i - 1, new JavaScriptToken(Token.STRING,
+                                        prevToken.getValue() + nextToken.getValue()));
+                                tokens.remove(i + 1);
+                                tokens.remove(i);
+                                i = i - 1;
+                                length = length - 2;
+                                break;
+                            }
+                        }
+                }
+            }
+
+        }
+
+        // Second pass...
+
+        for (i = 0; i < length; i++) {
+	    // APPJET modifications in this loop
+	    token = (JavaScriptToken) tokens.get(i);
+	    if (token.getType() == Token.STRING || token.getType() == Token.REGEXP) {
+		tv = token.getValue();
+		if (token.getType() == Token.STRING) {
+		    
+		    // Finally, add the quoting characters and escape the string. We use
+		    // the quoting character that minimizes the amount of escaping to save
+		    // a few additional bytes.
+		    
+		    char quotechar;
+		    int singleQuoteCount = countChar(tv, '\'');
+		    int doubleQuoteCount = countChar(tv, '"');
+		    if (doubleQuoteCount <= singleQuoteCount) {
+			quotechar = '"';
+		    } else {
+			quotechar = '\'';
+		    }
+		    
+		    tv = quotechar + escapeString(tv, quotechar) + quotechar;
+		}
+
+		// String concatenation transforms the old script scheme:
+                //     '<scr'+'ipt ...><'+'/script>'
+                // into the following:
+                //     '<script ...></script>'
+                // which breaks if this code is embedded inside an HTML document.
+                // Since this is not the right way to do this, let's fix the code by
+                // transforming all "</script" into "<\/script"
+		
+		// (Anti-malware software can be sensitive to open tags)
+		tv = tv.replace("<script", "\\x3cscript");
+		tv = tv.replace("</script", "\\x3c/script");
+		
+		tokens.set(i, new JavaScriptToken(token.getType(), tv));
+	    }
+        }
+    }
+
+    // Add necessary escaping that was removed in Rhino's tokenizer.
+    private static String escapeString(String s, char quotechar) {
+
+        assert quotechar == '"' || quotechar == '\'';
+
+        if (s == null) {
+            return null;
+        }
+
+        StringBuffer sb = new StringBuffer();
+        for (int i = 0, L = s.length(); i < L; i++) {
+            int c = s.charAt(i);
+            if (c == quotechar) {
+                sb.append("\\");
+            }
+            sb.append((char) c);
+        }
+
+        return sb.toString();
+    }
+
+    /*
+     * Simple check to see whether a string is a valid identifier name.
+     * If a string matches this pattern, it means it IS a valid
+     * identifier name. If a string doesn't match it, it does not
+     * necessarily mean it is not a valid identifier name.
+     */
+    private static final Pattern SIMPLE_IDENTIFIER_NAME_PATTERN = Pattern.compile("^[a-zA-Z_][a-zA-Z0-9_]*$");
+
+    private static boolean isValidIdentifier(String s) {
+        Matcher m = SIMPLE_IDENTIFIER_NAME_PATTERN.matcher(s);
+        return (m.matches() && !reserved.contains(s));
+    }
+
+    /*
+    * Transforms obj["foo"] into obj.foo whenever possible, saving 3 bytes.
+    */
+    private static void optimizeObjectMemberAccess(ArrayList tokens) {
+
+        String tv;
+        int i, length;
+        JavaScriptToken token;
+
+        for (i = 0, length = tokens.size(); i < length; i++) {
+
+            if (((JavaScriptToken) tokens.get(i)).getType() == Token.LB &&
+                    i > 0 && i < length - 2 &&
+                    ((JavaScriptToken) tokens.get(i - 1)).getType() == Token.NAME &&
+                    ((JavaScriptToken) tokens.get(i + 1)).getType() == Token.STRING &&
+                    ((JavaScriptToken) tokens.get(i + 2)).getType() == Token.RB) {
+                token = (JavaScriptToken) tokens.get(i + 1);
+                tv = token.getValue();
+                tv = tv.substring(1, tv.length() - 1);
+                if (isValidIdentifier(tv)) {
+                    tokens.set(i, new JavaScriptToken(Token.DOT, "."));
+                    tokens.set(i + 1, new JavaScriptToken(Token.NAME, tv));
+                    tokens.remove(i + 2);
+                    i = i + 2;
+                    length = length - 1;
+                }
+            }
+        }
+    }
+
+    /*
+     * Transforms 'foo': ... into foo: ... whenever possible, saving 2 bytes.
+     */
+    private static void optimizeObjLitMemberDecl(ArrayList tokens) {
+
+        String tv;
+        int i, length;
+        JavaScriptToken token;
+
+        for (i = 0, length = tokens.size(); i < length; i++) {
+            if (((JavaScriptToken) tokens.get(i)).getType() == Token.OBJECTLIT &&
+                    i > 0 && ((JavaScriptToken) tokens.get(i - 1)).getType() == Token.STRING) {
+                token = (JavaScriptToken) tokens.get(i - 1);
+                tv = token.getValue();
+                tv = tv.substring(1, tv.length() - 1);
+                if (isValidIdentifier(tv)) {
+                    tokens.set(i - 1, new JavaScriptToken(Token.NAME, tv));
+                }
+            }
+        }
+    }
+
+    private ErrorReporter logger;
+
+    private boolean munge;
+    private boolean verbose;
+
+    private static final int BUILDING_SYMBOL_TREE = 1;
+    private static final int CHECKING_SYMBOL_TREE = 2;
+
+    private int mode;
+    private int offset;
+    private int braceNesting;
+    private ArrayList tokens;
+    private Stack scopes = new Stack();
+    private ScriptOrFnScope globalScope = new ScriptOrFnScope(-1, null);
+    private Hashtable indexedScopes = new Hashtable();
+
+    public JavaScriptCompressor(Reader in, ErrorReporter reporter)
+            throws IOException, EvaluatorException {
+
+        this.logger = reporter;
+        this.tokens = parse(in, reporter);
+    }
+
+    public void compress(Writer out, int linebreak, boolean munge, boolean verbose,
+            boolean preserveAllSemiColons, boolean disableOptimizations)
+            throws IOException {
+
+        this.munge = munge;
+        this.verbose = verbose;
+
+        processStringLiterals(this.tokens, !disableOptimizations);
+
+        if (!disableOptimizations) {
+            optimizeObjectMemberAccess(this.tokens);
+            optimizeObjLitMemberDecl(this.tokens);
+        }
+
+        buildSymbolTree();
+        // DO NOT TOUCH this.tokens BETWEEN THESE TWO PHASES (BECAUSE OF this.indexedScopes)
+        mungeSymboltree();
+        StringBuffer sb = printSymbolTree(linebreak, preserveAllSemiColons);
+
+        out.write(sb.toString());
+    }
+
+    private ScriptOrFnScope getCurrentScope() {
+        return (ScriptOrFnScope) scopes.peek();
+    }
+
+    private void enterScope(ScriptOrFnScope scope) {
+        scopes.push(scope);
+    }
+
+    private void leaveCurrentScope() {
+        scopes.pop();
+    }
+
+    private JavaScriptToken consumeToken() {
+        return (JavaScriptToken) tokens.get(offset++);
+    }
+
+    private JavaScriptToken getToken(int delta) {
+        return (JavaScriptToken) tokens.get(offset + delta);
+    }
+
+    /*
+     * Returns the identifier for the specified symbol defined in
+     * the specified scope or in any scope above it. Returns null
+     * if this symbol does not have a corresponding identifier.
+     */
+    private JavaScriptIdentifier getIdentifier(String symbol, ScriptOrFnScope scope) {
+        JavaScriptIdentifier identifier;
+        while (scope != null) {
+            identifier = scope.getIdentifier(symbol);
+            if (identifier != null) {
+                return identifier;
+            }
+            scope = scope.getParentScope();
+        }
+        return null;
+    }
+
+    /*
+     * If either 'eval' or 'with' is used in a local scope, we must make
+     * sure that all containing local scopes don't get munged. Otherwise,
+     * the obfuscation would potentially introduce bugs.
+     */
+    private void protectScopeFromObfuscation(ScriptOrFnScope scope) {
+        assert scope != null;
+
+        if (scope == globalScope) {
+            // The global scope does not get obfuscated,
+            // so we don't need to worry about it...
+            return;
+        }
+
+        // Find the highest local scope containing the specified scope.
+        while (scope.getParentScope() != globalScope) {
+            scope = scope.getParentScope();
+        }
+
+        assert scope.getParentScope() == globalScope;
+        scope.preventMunging();
+    }
+
+    private String getDebugString(int max) {
+        assert max > 0;
+        StringBuffer result = new StringBuffer();
+        int start = Math.max(offset - max, 0);
+        int end = Math.min(offset + max, tokens.size());
+        for (int i = start; i < end; i++) {
+            JavaScriptToken token = (JavaScriptToken) tokens.get(i);
+            if (i == offset - 1) {
+                result.append(" ---> ");
+            }
+            result.append(token.getValue());
+            if (i == offset - 1) {
+                result.append(" <--- ");
+            }
+        }
+        return result.toString();
+    }
+
+    private void warn(String message, boolean showDebugString) {
+        if (verbose) {
+            if (showDebugString) {
+                message = message + "\n" + getDebugString(10);
+            }
+            logger.warning(message, null, -1, null, -1);
+        }
+    }
+
+    private void parseFunctionDeclaration() {
+
+        String symbol;
+        JavaScriptToken token;
+        ScriptOrFnScope currentScope, fnScope;
+        JavaScriptIdentifier identifier;
+
+        currentScope = getCurrentScope();
+
+        token = consumeToken();
+        if (token.getType() == Token.NAME) {
+            if (mode == BUILDING_SYMBOL_TREE) {
+                // Get the name of the function and declare it in the current scope.
+                symbol = token.getValue();
+                if (currentScope.getIdentifier(symbol) != null) {
+                    warn("The function " + symbol + " has already been declared in the same scope...", true);
+                }
+                currentScope.declareIdentifier(symbol);
+            }
+            token = consumeToken();
+        }
+
+        assert token.getType() == Token.LP;
+        if (mode == BUILDING_SYMBOL_TREE) {
+            fnScope = new ScriptOrFnScope(braceNesting, currentScope);
+            indexedScopes.put(new Integer(offset), fnScope);
+        } else {
+            fnScope = (ScriptOrFnScope) indexedScopes.get(new Integer(offset));
+        }
+
+        // Parse function arguments.
+        int argpos = 0;
+        while ((token = consumeToken()).getType() != Token.RP) {
+            assert token.getType() == Token.NAME ||
+                    token.getType() == Token.COMMA;
+            if (token.getType() == Token.NAME && mode == BUILDING_SYMBOL_TREE) {
+                symbol = token.getValue();
+                identifier = fnScope.declareIdentifier(symbol);
+                if (symbol.equals("$super") && argpos == 0) {
+                    // Exception for Prototype 1.6...
+                    identifier.preventMunging();
+                }
+                argpos++;
+            }
+        }
+
+        token = consumeToken();
+        assert token.getType() == Token.LC;
+        braceNesting++;
+
+        token = getToken(0);
+        if (token.getType() == Token.STRING &&
+                getToken(1).getType() == Token.SEMI) {
+            // This is a hint. Hints are empty statements that look like
+            // "localvar1:nomunge, localvar2:nomunge"; They allow developers
+            // to prevent specific symbols from getting obfuscated (some heretic
+            // implementations, such as Prototype 1.6, require specific variable
+            // names, such as $super for example, in order to work appropriately.
+            // Note: right now, only "nomunge" is supported in the right hand side
+            // of a hint. However, in the future, the right hand side may contain
+            // other values.
+            consumeToken();
+            String hints = token.getValue();
+            // Remove the leading and trailing quotes...
+            hints = hints.substring(1, hints.length() - 1).trim();
+            StringTokenizer st1 = new StringTokenizer(hints, ",");
+            while (st1.hasMoreTokens()) {
+                String hint = st1.nextToken();
+                int idx = hint.indexOf(':');
+                if (idx <= 0 || idx >= hint.length() - 1) {
+                    if (mode == BUILDING_SYMBOL_TREE) {
+                        // No need to report the error twice, hence the test...
+                        warn("Invalid hint syntax: " + hint, true);
+                    }
+                    break;
+                }
+                String variableName = hint.substring(0, idx).trim();
+                String variableType = hint.substring(idx + 1).trim();
+                if (mode == BUILDING_SYMBOL_TREE) {
+                    fnScope.addHint(variableName, variableType);
+                } else if (mode == CHECKING_SYMBOL_TREE) {
+                    identifier = fnScope.getIdentifier(variableName);
+                    if (identifier != null) {
+                        if (variableType.equals("nomunge")) {
+                            identifier.preventMunging();
+                        } else {
+                            warn("Unsupported hint value: " + hint, true);
+                        }
+                    } else {
+                        warn("Hint refers to an unknown identifier: " + hint, true);
+                    }
+                }
+            }
+        }
+
+        parseScope(fnScope);
+    }
+
+    private void parseCatch() {
+
+        String symbol;
+        JavaScriptToken token;
+        ScriptOrFnScope currentScope;
+        JavaScriptIdentifier identifier;
+
+        token = getToken(-1);
+        assert token.getType() == Token.CATCH;
+        token = consumeToken();
+        assert token.getType() == Token.LP;
+        token = consumeToken();
+        assert token.getType() == Token.NAME;
+
+        symbol = token.getValue();
+        currentScope = getCurrentScope();
+
+        if (mode == BUILDING_SYMBOL_TREE) {
+            // We must declare the exception identifier in the containing function
+            // scope to avoid errors related to the obfuscation process. No need to
+            // display a warning if the symbol was already declared here...
+            currentScope.declareIdentifier(symbol);
+        } else {
+            identifier = getIdentifier(symbol, currentScope);
+            identifier.incrementRefcount();
+        }
+
+        token = consumeToken();
+        assert token.getType() == Token.RP;
+    }
+
+    private void parseExpression() {
+
+        // Parse the expression until we encounter a comma or a semi-colon
+        // in the same brace nesting, bracket nesting and paren nesting.
+        // Parse functions if any...
+
+        String symbol;
+        JavaScriptToken token;
+        ScriptOrFnScope currentScope;
+        JavaScriptIdentifier identifier;
+
+        int expressionBraceNesting = braceNesting;
+        int bracketNesting = 0;
+        int parensNesting = 0;
+
+        int length = tokens.size();
+
+        while (offset < length) {
+
+            token = consumeToken();
+            currentScope = getCurrentScope();
+
+            switch (token.getType()) {
+
+                case Token.SEMI:
+                case Token.COMMA:
+                    if (braceNesting == expressionBraceNesting &&
+                            bracketNesting == 0 &&
+                            parensNesting == 0) {
+                        return;
+                    }
+                    break;
+
+                case Token.FUNCTION:
+                    parseFunctionDeclaration();
+                    break;
+
+                case Token.LC:
+                    braceNesting++;
+                    break;
+
+                case Token.RC:
+                    braceNesting--;
+                    assert braceNesting >= expressionBraceNesting;
+                    break;
+
+                case Token.LB:
+                    bracketNesting++;
+                    break;
+
+                case Token.RB:
+                    bracketNesting--;
+                    break;
+
+                case Token.LP:
+                    parensNesting++;
+                    break;
+
+                case Token.RP:
+                    parensNesting--;
+                    break;
+
+                case Token.SPECIALCOMMENT:
+                    if (mode == BUILDING_SYMBOL_TREE) {
+                        protectScopeFromObfuscation(currentScope);
+                        warn("Using JScript conditional comments is not recommended." + (munge ? " Moreover, using JScript conditional comments reduces the level of compression!" : ""), true);
+                    }
+                    break;
+
+                case Token.NAME:
+                    symbol = token.getValue();
+
+                    if (mode == BUILDING_SYMBOL_TREE) {
+
+                        if (symbol.equals("eval")) {
+
+                            protectScopeFromObfuscation(currentScope);
+                            warn("Using 'eval' is not recommended." + (munge ? " Moreover, using 'eval' reduces the level of compression!" : ""), true);
+
+                        }
+
+                    } else if (mode == CHECKING_SYMBOL_TREE) {
+
+                        if ((offset < 2 ||
+                                (getToken(-2).getType() != Token.DOT &&
+                                        getToken(-2).getType() != Token.GET &&
+                                        getToken(-2).getType() != Token.SET)) &&
+                                getToken(0).getType() != Token.OBJECTLIT) {
+
+                            identifier = getIdentifier(symbol, currentScope);
+
+                            if (identifier == null) {
+
+                                if (symbol.length() <= 3 && !builtin.contains(symbol)) {
+                                    // Here, we found an undeclared and un-namespaced symbol that is
+                                    // 3 characters or less in length. Declare it in the global scope.
+                                    // We don't need to declare longer symbols since they won't cause
+                                    // any conflict with other munged symbols.
+                                    globalScope.declareIdentifier(symbol);
+                                    warn("Found an undeclared symbol: " + symbol, true);
+                                }
+
+                            } else {
+
+                                identifier.incrementRefcount();
+                            }
+                        }
+                    }
+                    break;
+            }
+        }
+    }
+
+    private void parseScope(ScriptOrFnScope scope) {
+
+        String symbol;
+        JavaScriptToken token;
+        JavaScriptIdentifier identifier;
+
+        int length = tokens.size();
+
+        enterScope(scope);
+
+        while (offset < length) {
+
+            token = consumeToken();
+
+            switch (token.getType()) {
+
+                case Token.VAR:
+
+                    if (mode == BUILDING_SYMBOL_TREE && scope.incrementVarCount() > 1) {
+                        warn("Try to use a single 'var' statement per scope.", true);
+                    }
+
+                    /* FALLSTHROUGH */
+
+                case Token.CONST:
+
+                    // The var keyword is followed by at least one symbol name.
+                    // If several symbols follow, they are comma separated.
+                    for (; ;) {
+                        token = consumeToken();
+
+                        assert token.getType() == Token.NAME;
+
+                        if (mode == BUILDING_SYMBOL_TREE) {
+                            symbol = token.getValue();
+                            if (scope.getIdentifier(symbol) == null) {
+                                scope.declareIdentifier(symbol);
+                            } else {
+                                warn("The variable " + symbol + " has already been declared in the same scope...", true);
+                            }
+                        }
+
+                        token = getToken(0);
+
+                        assert token.getType() == Token.SEMI ||
+                                token.getType() == Token.ASSIGN ||
+                                token.getType() == Token.COMMA ||
+                                token.getType() == Token.IN;
+
+                        if (token.getType() == Token.IN) {
+                            break;
+                        } else {
+                            parseExpression();
+                            token = getToken(-1);
+                            if (token.getType() == Token.SEMI) {
+                                break;
+                            }
+                        }
+                    }
+                    break;
+
+                case Token.FUNCTION:
+                    parseFunctionDeclaration();
+                    break;
+
+                case Token.LC:
+                    braceNesting++;
+                    break;
+
+                case Token.RC:
+                    braceNesting--;
+                    assert braceNesting >= scope.getBraceNesting();
+                    if (braceNesting == scope.getBraceNesting()) {
+                        leaveCurrentScope();
+                        return;
+                    }
+                    break;
+
+                case Token.WITH:
+                    if (mode == BUILDING_SYMBOL_TREE) {
+                        // Inside a 'with' block, it is impossible to figure out
+                        // statically whether a symbol is a local variable or an
+                        // object member. As a consequence, the only thing we can
+                        // do is turn the obfuscation off for the highest scope
+                        // containing the 'with' block.
+                        protectScopeFromObfuscation(scope);
+                        warn("Using 'with' is not recommended." + (munge ? " Moreover, using 'with' reduces the level of compression!" : ""), true);
+                    }
+                    break;
+
+                case Token.CATCH:
+                    parseCatch();
+                    break;
+
+                case Token.SPECIALCOMMENT:
+                    if (mode == BUILDING_SYMBOL_TREE) {
+                        protectScopeFromObfuscation(scope);
+                        warn("Using JScript conditional comments is not recommended." + (munge ? " Moreover, using JScript conditional comments reduces the level of compression." : ""), true);
+                    }
+                    break;
+
+                case Token.NAME:
+                    symbol = token.getValue();
+
+                    if (mode == BUILDING_SYMBOL_TREE) {
+
+                        if (symbol.equals("eval")) {
+
+                            protectScopeFromObfuscation(scope);
+                            warn("Using 'eval' is not recommended." + (munge ? " Moreover, using 'eval' reduces the level of compression!" : ""), true);
+
+                        }
+
+                    } else if (mode == CHECKING_SYMBOL_TREE) {
+
+                        if ((offset < 2 || getToken(-2).getType() != Token.DOT) &&
+                                getToken(0).getType() != Token.OBJECTLIT) {
+
+                            identifier = getIdentifier(symbol, scope);
+
+                            if (identifier == null) {
+
+                                if (symbol.length() <= 3 && !builtin.contains(symbol)) {
+                                    // Here, we found an undeclared and un-namespaced symbol that is
+                                    // 3 characters or less in length. Declare it in the global scope.
+                                    // We don't need to declare longer symbols since they won't cause
+                                    // any conflict with other munged symbols.
+                                    globalScope.declareIdentifier(symbol);
+                                    warn("Found an undeclared symbol: " + symbol, true);
+                                }
+
+                            } else {
+
+                                identifier.incrementRefcount();
+                            }
+                        }
+                    }
+                    break;
+            }
+        }
+    }
+
+    private void buildSymbolTree() {
+        offset = 0;
+        braceNesting = 0;
+        scopes.clear();
+        indexedScopes.clear();
+        indexedScopes.put(new Integer(0), globalScope);
+        mode = BUILDING_SYMBOL_TREE;
+        parseScope(globalScope);
+    }
+
+    private void mungeSymboltree() {
+
+        if (!munge) {
+            return;
+        }
+
+        // One problem with obfuscation resides in the use of undeclared
+        // and un-namespaced global symbols that are 3 characters or less
+        // in length. Here is an example:
+        //
+        //     var declaredGlobalVar;
+        //
+        //     function declaredGlobalFn() {
+        //         var localvar;
+        //         localvar = abc; // abc is an undeclared global symbol
+        //     }
+        //
+        // In the example above, there is a slim chance that localvar may be
+        // munged to 'abc', conflicting with the undeclared global symbol
+        // abc, creating a potential bug. The following code detects such
+        // global symbols. This must be done AFTER the entire file has been
+        // parsed, and BEFORE munging the symbol tree. Note that declaring
+        // extra symbols in the global scope won't hurt.
+        //
+        // Note: Since we go through all the tokens to do this, we also use
+        // the opportunity to count how many times each identifier is used.
+
+        offset = 0;
+        braceNesting = 0;
+        scopes.clear();
+        mode = CHECKING_SYMBOL_TREE;
+        parseScope(globalScope);
+        globalScope.munge();
+    }
+
+    private StringBuffer printSymbolTree(int linebreakpos, boolean preserveAllSemiColons)
+            throws IOException {
+
+        offset = 0;
+        braceNesting = 0;
+        scopes.clear();
+
+        String symbol;
+        JavaScriptToken token;
+        ScriptOrFnScope currentScope;
+        JavaScriptIdentifier identifier;
+
+        int length = tokens.size();
+        StringBuffer result = new StringBuffer();
+
+        int linestartpos = 0;
+
+        enterScope(globalScope);
+
+        while (offset < length) {
+
+            token = consumeToken();
+            symbol = token.getValue();
+            currentScope = getCurrentScope();
+
+            switch (token.getType()) {
+
+                case Token.NAME:
+
+                    if (offset >= 2 && getToken(-2).getType() == Token.DOT ||
+                            getToken(0).getType() == Token.OBJECTLIT) {
+
+                        result.append(symbol);
+
+                    } else {
+
+                        identifier = getIdentifier(symbol, currentScope);
+                        if (identifier != null) {
+                            if (identifier.getMungedValue() != null) {
+                                result.append(identifier.getMungedValue());
+                            } else {
+                                result.append(symbol);
+                            }
+                            if (currentScope != globalScope && identifier.getRefcount() == 0) {
+                                warn("The symbol " + symbol + " is declared but is apparently never used.\nThis code can probably be written in a more compact way.", true);
+                            }
+                        } else {
+                            result.append(symbol);
+                        }
+                    }
+                    break;
+
+                case Token.REGEXP:
+                case Token.NUMBER:
+                case Token.STRING:
+                    result.append(symbol);
+                    break;
+
+                case Token.ADD:
+                case Token.SUB:
+                    result.append((String) literals.get(new Integer(token.getType())));
+                    if (offset < length) {
+                        token = getToken(0);
+                        if (token.getType() == Token.INC ||
+                                token.getType() == Token.DEC ||
+                                token.getType() == Token.ADD ||
+                                token.getType() == Token.DEC) {
+                            // Handle the case x +/- ++/-- y
+                            // We must keep a white space here. Otherwise, x +++ y would be
+                            // interpreted as x ++ + y by the compiler, which is a bug (due
+                            // to the implicit assignment being done on the wrong variable)
+                            result.append(' ');
+                        } else if (token.getType() == Token.POS && getToken(-1).getType() == Token.ADD ||
+                                token.getType() == Token.NEG && getToken(-1).getType() == Token.SUB) {
+                            // Handle the case x + + y and x - - y
+                            result.append(' ');
+                        }
+                    }
+                    break;
+
+                case Token.FUNCTION:
+                    result.append("function");
+                    token = consumeToken();
+                    if (token.getType() == Token.NAME) {
+                        result.append(' ');
+                        symbol = token.getValue();
+                        identifier = getIdentifier(symbol, currentScope);
+                        assert identifier != null;
+                        if (identifier.getMungedValue() != null) {
+                            result.append(identifier.getMungedValue());
+                        } else {
+                            result.append(symbol);
+                        }
+                        if (currentScope != globalScope && identifier.getRefcount() == 0) {
+                            warn("The symbol " + symbol + " is declared but is apparently never used.\nThis code can probably be written in a more compact way.", true);
+                        }
+                        token = consumeToken();
+                    }
+                    assert token.getType() == Token.LP;
+                    result.append('(');
+                    currentScope = (ScriptOrFnScope) indexedScopes.get(new Integer(offset));
+                    enterScope(currentScope);
+                    while ((token = consumeToken()).getType() != Token.RP) {
+                        assert token.getType() == Token.NAME || token.getType() == Token.COMMA;
+                        if (token.getType() == Token.NAME) {
+                            symbol = token.getValue();
+                            identifier = getIdentifier(symbol, currentScope);
+                            assert identifier != null;
+                            if (identifier.getMungedValue() != null) {
+                                result.append(identifier.getMungedValue());
+                            } else {
+                                result.append(symbol);
+                            }
+                        } else if (token.getType() == Token.COMMA) {
+                            result.append(',');
+                        }
+                    }
+                    result.append(')');
+                    token = consumeToken();
+                    assert token.getType() == Token.LC;
+                    result.append('{');
+                    braceNesting++;
+                    token = getToken(0);
+                    if (token.getType() == Token.STRING &&
+                            getToken(1).getType() == Token.SEMI) {
+                        // This is a hint. Skip it!
+                        consumeToken();
+                        consumeToken();
+                    }
+                    break;
+
+                case Token.RETURN:
+                case Token.TYPEOF:
+                    result.append(literals.get(new Integer(token.getType())));
+                    // No space needed after 'return' and 'typeof' when followed
+                    // by '(', '[', '{', a string or a regexp.
+                    if (offset < length) {
+                        token = getToken(0);
+                        if (token.getType() != Token.LP &&
+                                token.getType() != Token.LB &&
+                                token.getType() != Token.LC &&
+                                token.getType() != Token.STRING &&
+                                token.getType() != Token.REGEXP &&
+                                token.getType() != Token.SEMI) {
+                            result.append(' ');
+                        }
+                    }
+                    break;
+
+                case Token.CASE:
+                case Token.THROW:
+                    result.append(literals.get(new Integer(token.getType())));
+                    // White-space needed after 'case' and 'throw' when not followed by a string.
+                    if (offset < length && getToken(0).getType() != Token.STRING) {
+                        result.append(' ');
+                    }
+                    break;
+
+                case Token.BREAK:
+                case Token.CONTINUE:
+                    result.append(literals.get(new Integer(token.getType())));
+                    if (offset < length && getToken(0).getType() != Token.SEMI) {
+                        // If 'break' or 'continue' is not followed by a semi-colon, it must
+                        // be followed by a label, hence the need for a white space.
+                        result.append(' ');
+                    }
+                    break;
+
+                case Token.LC:
+                    result.append('{');
+                    braceNesting++;
+                    break;
+
+                case Token.RC:
+                    result.append('}');
+                    braceNesting--;
+                    assert braceNesting >= currentScope.getBraceNesting();
+                    if (braceNesting == currentScope.getBraceNesting()) {
+                        leaveCurrentScope();
+                    }
+                    break;
+
+                case Token.SEMI:
+                    // No need to output a semi-colon if the next character is a right-curly...
+                    if (preserveAllSemiColons || offset < length && getToken(0).getType() != Token.RC) {
+                        result.append(';');
+                    }
+
+                    if (linebreakpos >= 0 && result.length() - linestartpos > linebreakpos) {
+                        // Some source control tools don't like it when files containing lines longer
+                        // than, say 8000 characters, are checked in. The linebreak option is used in
+                        // that case to split long lines after a specific column.
+                        result.append('\n');
+                        linestartpos = result.length();
+                    }
+                    break;
+
+                case Token.SPECIALCOMMENT:
+                    if (result.length() > 0 && result.charAt(result.length() - 1) != '\n') {
+                        result.append("\n");
+                    }
+                    result.append("/*");
+                    result.append(symbol);
+                    result.append("*/\n");
+                    break;
+
+                default:
+                    String literal = (String) literals.get(new Integer(token.getType()));
+                    if (literal != null) {
+                        result.append(literal);
+                    } else {
+                        warn("This symbol cannot be printed: " + symbol, true);
+                    }
+                    break;
+            }
+        }
+
+        // Append a semi-colon at the end, even if unnecessary semi-colons are
+        // supposed to be removed. This is especially useful when concatenating
+        // several minified files (the absence of an ending semi-colon at the
+        // end of one file may very likely cause a syntax error)
+        if (!preserveAllSemiColons && result.length() > 0) {
+            if (result.charAt(result.length() - 1) == '\n') {
+                result.setCharAt(result.length() - 1, ';');
+            } else {
+                result.append(';');
+            }
+        }
+
+        return result;
+    }
+}
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptIdentifier.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptIdentifier.java
new file mode 100644
index 0000000..8668f49
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptIdentifier.java
@@ -0,0 +1,55 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import yuicompressor.org.mozilla.javascript.Token;
+
+/**
+ * JavaScriptIdentifier represents a variable/function identifier.
+ */
+class JavaScriptIdentifier extends JavaScriptToken {
+
+    private int refcount = 0;
+    private String mungedValue;
+    private ScriptOrFnScope declaredScope;
+    private boolean markedForMunging = true;
+
+    JavaScriptIdentifier(String value, ScriptOrFnScope declaredScope) {
+        super(Token.NAME, value);
+        this.declaredScope = declaredScope;
+    }
+
+    ScriptOrFnScope getDeclaredScope() {
+        return declaredScope;
+    }
+
+    void setMungedValue(String value) {
+        mungedValue = value;
+    }
+
+    String getMungedValue() {
+        return mungedValue;
+    }
+
+    void preventMunging() {
+        markedForMunging = false;
+    }
+
+    boolean isMarkedForMunging() {
+        return markedForMunging;
+    }
+
+    void incrementRefcount() {
+        refcount++;
+    }
+
+    int getRefcount() {
+        return refcount;
+    }
+}
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptToken.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptToken.java
new file mode 100644
index 0000000..fee21d9
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/JavaScriptToken.java
@@ -0,0 +1,28 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+public class JavaScriptToken {
+
+    private int type;
+    private String value;
+
+    JavaScriptToken(int type, String value) {
+        this.type = type;
+        this.value = value;
+    }
+
+    int getType() {
+        return type;
+    }
+
+    String getValue() {
+        return value;
+    }
+}
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/ScriptOrFnScope.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/ScriptOrFnScope.java
new file mode 100644
index 0000000..c1a2e47
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/ScriptOrFnScope.java
@@ -0,0 +1,169 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.Hashtable;
+
+class ScriptOrFnScope {
+
+    private int braceNesting;
+    private ScriptOrFnScope parentScope;
+    private ArrayList subScopes;
+    private Hashtable identifiers = new Hashtable();
+    private Hashtable hints = new Hashtable();
+    private boolean markedForMunging = true;
+    private int varcount = 0;
+
+    ScriptOrFnScope(int braceNesting, ScriptOrFnScope parentScope) {
+        this.braceNesting = braceNesting;
+        this.parentScope = parentScope;
+        this.subScopes = new ArrayList();
+        if (parentScope != null) {
+            parentScope.subScopes.add(this);
+        }
+    }
+
+    int getBraceNesting() {
+        return braceNesting;
+    }
+
+    ScriptOrFnScope getParentScope() {
+        return parentScope;
+    }
+
+    JavaScriptIdentifier declareIdentifier(String symbol) {
+        JavaScriptIdentifier identifier = (JavaScriptIdentifier) identifiers.get(symbol);
+        if (identifier == null) {
+            identifier = new JavaScriptIdentifier(symbol, this);
+            identifiers.put(symbol, identifier);
+        }
+        return identifier;
+    }
+
+    JavaScriptIdentifier getIdentifier(String symbol) {
+        return (JavaScriptIdentifier) identifiers.get(symbol);
+    }
+
+    void addHint(String variableName, String variableType) {
+        hints.put(variableName, variableType);
+    }
+
+    void preventMunging() {
+        if (parentScope != null) {
+            // The symbols in the global scope don't get munged,
+            // but the sub-scopes it contains do get munged.
+            markedForMunging = false;
+        }
+    }
+
+    private ArrayList getUsedSymbols() {
+        ArrayList result = new ArrayList();
+        Enumeration elements = identifiers.elements();
+        while (elements.hasMoreElements()) {
+            JavaScriptIdentifier identifier = (JavaScriptIdentifier) elements.nextElement();
+            String mungedValue = identifier.getMungedValue();
+            if (mungedValue == null) {
+                mungedValue = identifier.getValue();
+            }
+            result.add(mungedValue);
+        }
+        return result;
+    }
+
+    private ArrayList getAllUsedSymbols() {
+        ArrayList result = new ArrayList();
+        ScriptOrFnScope scope = this;
+        while (scope != null) {
+            result.addAll(scope.getUsedSymbols());
+            scope = scope.parentScope;
+        }
+        return result;
+    }
+
+    int incrementVarCount() {
+        varcount++;
+        return varcount;
+    }
+
+    void munge() {
+
+        if (!markedForMunging) {
+            // Stop right here if this scope was flagged as unsafe for munging.
+            return;
+        }
+
+        int pickFromSet = 1;
+
+        // Do not munge symbols in the global scope!
+        if (parentScope != null) {
+
+            ArrayList freeSymbols = new ArrayList();
+
+            freeSymbols.addAll(JavaScriptCompressor.ones);
+            freeSymbols.removeAll(getAllUsedSymbols());
+            if (freeSymbols.size() == 0) {
+                pickFromSet = 2;
+                freeSymbols.addAll(JavaScriptCompressor.twos);
+                freeSymbols.removeAll(getAllUsedSymbols());
+            }
+            if (freeSymbols.size() == 0) {
+                pickFromSet = 3;
+                freeSymbols.addAll(JavaScriptCompressor.threes);
+                freeSymbols.removeAll(getAllUsedSymbols());
+            }
+            if (freeSymbols.size() == 0) {
+                throw new IllegalStateException("The YUI Compressor ran out of symbols. Aborting...");
+            }
+
+	    // APPJET: sort identifiers by popularity
+	    JavaScriptIdentifier idArray[] = ((Hashtable<String,JavaScriptIdentifier>)identifiers).values().toArray(new JavaScriptIdentifier[0]);
+	    java.util.Arrays.sort(idArray, new java.util.Comparator<JavaScriptIdentifier>() {
+		    public int compare(JavaScriptIdentifier i1, JavaScriptIdentifier i2) {
+			return i2.getRefcount() - i1.getRefcount(); // positive if i2 is more popular, indicating i2 should come first
+		    }
+		});
+	    java.util.Iterator<JavaScriptIdentifier> elements = java.util.Arrays.asList(idArray).iterator();
+	    
+	    //Enumeration elements = identifiers.elements();
+            while (elements.hasNext()) {
+                if (freeSymbols.size() == 0) {
+                    pickFromSet++;
+                    if (pickFromSet == 2) {
+                        freeSymbols.addAll(JavaScriptCompressor.twos);
+                    } else if (pickFromSet == 3) {
+                        freeSymbols.addAll(JavaScriptCompressor.threes);
+                    } else {
+                        throw new IllegalStateException("The YUI Compressor ran out of symbols. Aborting...");
+                    }
+                    // It is essential to remove the symbols already used in
+                    // the containing scopes, or some of the variables declared
+                    // in the containing scopes will be redeclared, which can
+                    // lead to errors.
+                    freeSymbols.removeAll(getAllUsedSymbols());
+                }
+
+                String mungedValue;
+                JavaScriptIdentifier identifier = (JavaScriptIdentifier) elements.next();
+                if (identifier.isMarkedForMunging()) {
+                    mungedValue = (String) freeSymbols.remove(0);
+                } else {
+                    mungedValue = identifier.getValue();
+                }
+                identifier.setMungedValue(mungedValue);
+            }
+        }
+
+        for (int i = 0; i < subScopes.size(); i++) {
+            ScriptOrFnScope scope = (ScriptOrFnScope) subScopes.get(i);
+            scope.munge();
+        }
+    }
+}
diff --git a/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/YUICompressor.java b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/YUICompressor.java
new file mode 100644
index 0000000..dcbaff4
--- /dev/null
+++ b/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/YUICompressor.java
@@ -0,0 +1,232 @@
+/*
+ * YUI Compressor
+ * Author: Julien Lecomte <jlecomte@yahoo-inc.com>
+ * Copyright (c) 2007, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ *     http://developer.yahoo.net/yui/license.txt
+ */
+
+package com.yahoo.platform.yui.compressor;
+
+import jargs.gnu.CmdLineParser;
+import yuicompressor.org.mozilla.javascript.ErrorReporter;
+import yuicompressor.org.mozilla.javascript.EvaluatorException;
+
+import java.io.*;
+import java.nio.charset.Charset;
+
+public class YUICompressor {
+
+    public static void main(String args[]) {
+
+        CmdLineParser parser = new CmdLineParser();
+        CmdLineParser.Option typeOpt = parser.addStringOption("type");
+        CmdLineParser.Option verboseOpt = parser.addBooleanOption('v', "verbose");
+        CmdLineParser.Option nomungeOpt = parser.addBooleanOption("nomunge");
+        CmdLineParser.Option linebreakOpt = parser.addStringOption("line-break");
+        CmdLineParser.Option preserveSemiOpt = parser.addBooleanOption("preserve-semi");
+        CmdLineParser.Option disableOptimizationsOpt = parser.addBooleanOption("disable-optimizations");
+        CmdLineParser.Option helpOpt = parser.addBooleanOption('h', "help");
+        CmdLineParser.Option charsetOpt = parser.addStringOption("charset");
+        CmdLineParser.Option outputFilenameOpt = parser.addStringOption('o', "output");
+
+        Reader in = null;
+        Writer out = null;
+
+        try {
+
+            parser.parse(args);
+
+            Boolean help = (Boolean) parser.getOptionValue(helpOpt);
+            if (help != null && help.booleanValue()) {
+                usage();
+                System.exit(0);
+            }
+
+            boolean verbose = parser.getOptionValue(verboseOpt) != null;
+
+            String charset = (String) parser.getOptionValue(charsetOpt);
+            if (charset == null || !Charset.isSupported(charset)) {
+                charset = System.getProperty("file.encoding");
+                if (charset == null) {
+                    charset = "UTF-8";
+                }
+                if (verbose) {
+                    System.err.println("\n[INFO] Using charset " + charset);
+                }
+            }
+
+            String[] fileArgs = parser.getRemainingArgs();
+            String type = (String) parser.getOptionValue(typeOpt);
+
+            if (fileArgs.length == 0) {
+
+                if (type == null || !type.equalsIgnoreCase("js") && !type.equalsIgnoreCase("css")) {
+                    usage();
+                    System.exit(1);
+                }
+
+                in = new InputStreamReader(System.in, charset);
+
+            } else {
+
+                if (type != null && !type.equalsIgnoreCase("js") && !type.equalsIgnoreCase("css")) {
+                    usage();
+                    System.exit(1);
+                }
+
+                String inputFilename = fileArgs[0];
+
+                if (type == null) {
+                    int idx = inputFilename.lastIndexOf('.');
+                    if (idx >= 0 && idx < inputFilename.length() - 1) {
+                        type = inputFilename.substring(idx + 1);
+                    }
+                }
+
+                if (type == null || !type.equalsIgnoreCase("js") && !type.equalsIgnoreCase("css")) {
+                    usage();
+                    System.exit(1);
+                }
+
+                in = new InputStreamReader(new FileInputStream(inputFilename), charset);
+            }
+
+            int linebreakpos = -1;
+            String linebreakstr = (String) parser.getOptionValue(linebreakOpt);
+            if (linebreakstr != null) {
+                try {
+                    linebreakpos = Integer.parseInt(linebreakstr, 10);
+                } catch (NumberFormatException e) {
+                    usage();
+                    System.exit(1);
+                }
+            }
+
+            String outputFilename = (String) parser.getOptionValue(outputFilenameOpt);
+
+            if (type.equalsIgnoreCase("js")) {
+
+                try {
+
+                    JavaScriptCompressor compressor = new JavaScriptCompressor(in, new ErrorReporter() {
+
+                        public void warning(String message, String sourceName,
+                                int line, String lineSource, int lineOffset) {
+                            if (line < 0) {
+                                System.err.println("\n[WARNING] " + message);
+                            } else {
+                                System.err.println("\n[WARNING] " + line + ':' + lineOffset + ':' + message);
+                            }
+                        }
+
+                        public void error(String message, String sourceName,
+                                int line, String lineSource, int lineOffset) {
+                            if (line < 0) {
+                                System.err.println("\n[ERROR] " + message);
+                            } else {
+                                System.err.println("\n[ERROR] " + line + ':' + lineOffset + ':' + message);
+                            }
+                        }
+
+                        public EvaluatorException runtimeError(String message, String sourceName,
+                                int line, String lineSource, int lineOffset) {
+                            error(message, sourceName, line, lineSource, lineOffset);
+                            return new EvaluatorException(message);
+                        }
+                    });
+
+                    // Close the input stream first, and then open the output stream,
+                    // in case the output file should override the input file.
+                    in.close(); in = null;
+
+                    if (outputFilename == null) {
+                        out = new OutputStreamWriter(System.out, charset);
+                    } else {
+                        out = new OutputStreamWriter(new FileOutputStream(outputFilename), charset);
+                    }
+
+                    boolean munge = parser.getOptionValue(nomungeOpt) == null;
+                    boolean preserveAllSemiColons = parser.getOptionValue(preserveSemiOpt) != null;
+                    boolean disableOptimizations = parser.getOptionValue(disableOptimizationsOpt) != null;
+
+                    compressor.compress(out, linebreakpos, munge, verbose,
+                            preserveAllSemiColons, disableOptimizations);
+
+                } catch (EvaluatorException e) {
+
+                    e.printStackTrace();
+                    // Return a special error code used specifically by the web front-end.
+                    System.exit(2);
+
+                }
+
+            } else if (type.equalsIgnoreCase("css")) {
+
+                CssCompressor compressor = new CssCompressor(in);
+
+                // Close the input stream first, and then open the output stream,
+                // in case the output file should override the input file.
+                in.close(); in = null;
+
+                if (outputFilename == null) {
+                    out = new OutputStreamWriter(System.out, charset);
+                } else {
+                    out = new OutputStreamWriter(new FileOutputStream(outputFilename), charset);
+                }
+
+                compressor.compress(out, linebreakpos);
+            }
+
+        } catch (CmdLineParser.OptionException e) {
+
+            usage();
+            System.exit(1);
+
+        } catch (IOException e) {
+
+            e.printStackTrace();
+            System.exit(1);
+
+        } finally {
+
+            if (in != null) {
+                try {
+                    in.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+
+            if (out != null) {
+                try {
+                    out.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    private static void usage() {
+        System.out.println(
+                "\nUsage: java -jar yuicompressor-x.y.z.jar [options] [input file]\n\n"
+
+                        + "Global Options\n"
+                        + "  -h, --help                Displays this information\n"
+                        + "  --type <js|css>           Specifies the type of the input file\n"
+                        + "  --charset <charset>       Read the input file using <charset>\n"
+                        + "  --line-break <column>     Insert a line break after the specified column number\n"
+                        + "  -v, --verbose             Display informational messages and warnings\n"
+                        + "  -o <file>                 Place the output into <file>. Defaults to stdout.\n\n"
+
+                        + "JavaScript Options\n"
+                        + "  --nomunge                 Minify only, do not obfuscate\n"
+                        + "  --preserve-semi           Preserve all semicolons\n"
+                        + "  --disable-optimizations   Disable all micro optimizations\n\n"
+
+                        + "If no input file is specified, it defaults to stdin. In this case, the 'type'\n"
+                        + "option is required. Otherwise, the 'type' option is required only if the input\n"
+                        + "file extension is neither 'js' nor 'css'.");
+    }
+}