001: /*
002: * Copyright 2001-2006 Sun Microsystems, Inc. All Rights Reserved.
003: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004: *
005: * This code is free software; you can redistribute it and/or modify it
006: * under the terms of the GNU General Public License version 2 only, as
007: * published by the Free Software Foundation. Sun designates this
008: * particular file as subject to the "Classpath" exception as provided
009: * by Sun in the LICENSE file that accompanied this code.
010: *
011: * This code is distributed in the hope that it will be useful, but WITHOUT
012: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014: * version 2 for more details (a copy is included in the LICENSE file that
015: * accompanied this code).
016: *
017: * You should have received a copy of the GNU General Public License version
018: * 2 along with this work; if not, write to the Free Software Foundation,
019: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020: *
021: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022: * CA 95054 USA or visit www.sun.com if you need additional information or
023: * have any questions.
024: */
025:
026: package com.sun.tools.javac.util;
027:
028: import com.sun.tools.javac.main.OptionName;
029: import java.util.*;
030:
031: /** A table of all command-line options.
032: * If an option has an argument, the option name is mapped to the argument.
033: * If a set option has no argument, it is mapped to itself.
034: *
035: * <p><b>This is NOT part of any API supported by Sun Microsystems. If
036: * you write code that depends on this, you do so at your own risk.
037: * This code and its internal interfaces are subject to change or
038: * deletion without notice.</b>
039: */
040: @Version("@(#)Options.java 1.20 07/05/05")
041: public class Options {
042: private static final long serialVersionUID = 0;
043:
044: /** The context key for the options. */
045: public static final Context.Key<Options> optionsKey = new Context.Key<Options>();
046:
047: private LinkedHashMap<String, String> values;
048:
049: /** Get the Options instance for this context. */
050: public static Options instance(Context context) {
051: Options instance = context.get(optionsKey);
052: if (instance == null)
053: instance = new Options(context);
054: return instance;
055: }
056:
057: protected Options(Context context) {
058: // DEBUGGING -- Use LinkedHashMap for reproducability
059: values = new LinkedHashMap<String, String>();
060: context.put(optionsKey, this );
061: }
062:
063: public String get(String name) {
064: return values.get(name);
065: }
066:
067: public String get(OptionName name) {
068: return values.get(name.optionName);
069: }
070:
071: public void put(String name, String value) {
072: values.put(name, value);
073: }
074:
075: public void put(OptionName name, String value) {
076: values.put(name.optionName, value);
077: }
078:
079: public void putAll(Options options) {
080: values.putAll(options.values);
081: }
082:
083: public void remove(String name) {
084: values.remove(name);
085: }
086:
087: public Set<String> keySet() {
088: return values.keySet();
089: }
090:
091: public int size() {
092: return values.size();
093: }
094:
095: static final String LINT = "-Xlint";
096:
097: /** Check for a lint suboption. */
098: public boolean lint(String s) {
099: // return true if either the specific option is enabled, or
100: // they are all enabled without the specific one being
101: // disabled
102: return get(LINT + ":" + s) != null
103: || (get(LINT) != null || get(LINT + ":all") != null)
104: && get(LINT + ":-" + s) == null;
105: }
106: }
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