1 files changed, 232 insertions, 0 deletions
diff --git a/trunk/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/YUICompressor.java b/trunk/infrastructure/yuicompressor/src/com/yahoo/platform/yui/compressor/YUICompressor.java
new file mode 100644
index 0000000..dcbaff4
--- /dev/null
+++ b/trunk/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'.");
+    }
+}