| /* |
| * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.javac.util; |
| |
| import java.util.*; |
| import com.sun.tools.javac.main.Option; |
| import static com.sun.tools.javac.main.Option.*; |
| |
| /** A table of all command-line options. |
| * If an option has an argument, the option name is mapped to the argument. |
| * If a set option has no argument, it is mapped to itself. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| public class Options { |
| private static final long serialVersionUID = 0; |
| |
| /** The context key for the options. */ |
| public static final Context.Key<Options> optionsKey = |
| new Context.Key<Options>(); |
| |
| private LinkedHashMap<String,String> values; |
| |
| /** Get the Options instance for this context. */ |
| public static Options instance(Context context) { |
| Options instance = context.get(optionsKey); |
| if (instance == null) |
| instance = new Options(context); |
| return instance; |
| } |
| |
| protected Options(Context context) { |
| // DEBUGGING -- Use LinkedHashMap for reproducability |
| values = new LinkedHashMap<String,String>(); |
| context.put(optionsKey, this); |
| } |
| |
| /** |
| * Get the value for an undocumented option. |
| */ |
| public String get(String name) { |
| return values.get(name); |
| } |
| |
| /** |
| * Get the value for an option. |
| */ |
| public String get(Option option) { |
| return values.get(option.text); |
| } |
| |
| /** |
| * Get the boolean value for an option, patterned after Boolean.getBoolean, |
| * essentially will return true, iff the value exists and is set to "true". |
| */ |
| public boolean getBoolean(String name) { |
| return getBoolean(name, false); |
| } |
| |
| /** |
| * Get the boolean with a default value if the option is not set. |
| */ |
| public boolean getBoolean(String name, boolean defaultValue) { |
| String value = get(name); |
| return (value == null) ? defaultValue : Boolean.parseBoolean(value); |
| } |
| |
| /** |
| * Check if the value for an undocumented option has been set. |
| */ |
| public boolean isSet(String name) { |
| return (values.get(name) != null); |
| } |
| |
| /** |
| * Check if the value for an option has been set. |
| */ |
| public boolean isSet(Option option) { |
| return (values.get(option.text) != null); |
| } |
| |
| /** |
| * Check if the value for a choice option has been set to a specific value. |
| */ |
| public boolean isSet(Option option, String value) { |
| return (values.get(option.text + value) != null); |
| } |
| |
| /** |
| * Check if the value for an undocumented option has not been set. |
| */ |
| public boolean isUnset(String name) { |
| return (values.get(name) == null); |
| } |
| |
| /** |
| * Check if the value for an option has not been set. |
| */ |
| public boolean isUnset(Option option) { |
| return (values.get(option.text) == null); |
| } |
| |
| /** |
| * Check if the value for a choice option has not been set to a specific value. |
| */ |
| public boolean isUnset(Option option, String value) { |
| return (values.get(option.text + value) == null); |
| } |
| |
| public void put(String name, String value) { |
| values.put(name, value); |
| } |
| |
| public void put(Option option, String value) { |
| values.put(option.text, value); |
| } |
| |
| public void putAll(Options options) { |
| values.putAll(options.values); |
| } |
| |
| public void remove(String name) { |
| values.remove(name); |
| } |
| |
| public Set<String> keySet() { |
| return values.keySet(); |
| } |
| |
| public int size() { |
| return values.size(); |
| } |
| |
| // light-weight notification mechanism |
| |
| private List<Runnable> listeners = List.nil(); |
| |
| public void addListener(Runnable listener) { |
| listeners = listeners.prepend(listener); |
| } |
| |
| public void notifyListeners() { |
| for (Runnable r: listeners) |
| r.run(); |
| } |
| |
| /** Check for a lint suboption. */ |
| public boolean lint(String s) { |
| // return true if either the specific option is enabled, or |
| // they are all enabled without the specific one being |
| // disabled |
| return |
| isSet(XLINT_CUSTOM, s) || |
| (isSet(XLINT) || isSet(XLINT_CUSTOM, "all")) && |
| isUnset(XLINT_CUSTOM, "-" + s); |
| } |
| } |