src/share/classes/com/sun/tools/javac/main/CommandLine.java

Tue, 28 Dec 2010 15:54:52 -0800

author
ohair
date
Tue, 28 Dec 2010 15:54:52 -0800
changeset 798
4868a36f6fd8
parent 581
f2fdd52e4e87
child 2525
2eb010b6cb22
permissions
-rw-r--r--

6962318: Update copyright year
Reviewed-by: xdono

duke@1 1 /*
ohair@798 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
ohair@554 7 * published by the Free Software Foundation. Oracle designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
ohair@554 9 * by Oracle in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
ohair@554 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 22 * or visit www.oracle.com if you need additional information or have any
ohair@554 23 * questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javac.main;
duke@1 27
duke@1 28 import java.io.IOException;
duke@1 29 import java.io.Reader;
duke@1 30 import java.io.FileReader;
duke@1 31 import java.io.BufferedReader;
duke@1 32 import java.io.StreamTokenizer;
duke@1 33 import com.sun.tools.javac.util.ListBuffer;
duke@1 34
duke@1 35 /**
duke@1 36 * Various utility methods for processing Java tool command line arguments.
duke@1 37 *
jjg@581 38 * <p><b>This is NOT part of any supported API.
jjg@581 39 * If you write code that depends on this, you do so at your own risk.
duke@1 40 * This code and its internal interfaces are subject to change or
duke@1 41 * deletion without notice.</b>
duke@1 42 */
duke@1 43 public class CommandLine {
duke@1 44 /**
duke@1 45 * Process Win32-style command files for the specified command line
duke@1 46 * arguments and return the resulting arguments. A command file argument
duke@1 47 * is of the form '@file' where 'file' is the name of the file whose
duke@1 48 * contents are to be parsed for additional arguments. The contents of
duke@1 49 * the command file are parsed using StreamTokenizer and the original
duke@1 50 * '@file' argument replaced with the resulting tokens. Recursive command
duke@1 51 * files are not supported. The '@' character itself can be quoted with
duke@1 52 * the sequence '@@'.
duke@1 53 */
duke@1 54 public static String[] parse(String[] args)
duke@1 55 throws IOException
duke@1 56 {
duke@1 57 ListBuffer<String> newArgs = new ListBuffer<String>();
duke@1 58 for (int i = 0; i < args.length; i++) {
duke@1 59 String arg = args[i];
duke@1 60 if (arg.length() > 1 && arg.charAt(0) == '@') {
duke@1 61 arg = arg.substring(1);
duke@1 62 if (arg.charAt(0) == '@') {
duke@1 63 newArgs.append(arg);
duke@1 64 } else {
duke@1 65 loadCmdFile(arg, newArgs);
duke@1 66 }
duke@1 67 } else {
duke@1 68 newArgs.append(arg);
duke@1 69 }
duke@1 70 }
duke@1 71 return newArgs.toList().toArray(new String[newArgs.length()]);
duke@1 72 }
duke@1 73
duke@1 74 private static void loadCmdFile(String name, ListBuffer<String> args)
duke@1 75 throws IOException
duke@1 76 {
duke@1 77 Reader r = new BufferedReader(new FileReader(name));
duke@1 78 StreamTokenizer st = new StreamTokenizer(r);
duke@1 79 st.resetSyntax();
duke@1 80 st.wordChars(' ', 255);
duke@1 81 st.whitespaceChars(0, ' ');
duke@1 82 st.commentChar('#');
duke@1 83 st.quoteChar('"');
duke@1 84 st.quoteChar('\'');
jjg@507 85 while (st.nextToken() != StreamTokenizer.TT_EOF) {
duke@1 86 args.append(st.sval);
duke@1 87 }
duke@1 88 r.close();
duke@1 89 }
duke@1 90 }

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