com.redhat.ceylon.langtools.tools.javac.util.Options Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.redhat.ceylon.langtools.tools.javac.util;
import java.util.List;
import com.redhat.ceylon.langtools.tools.javac.main.OptionName;
import static com.redhat.ceylon.langtools.tools.javac.main.OptionName.*;
import java.util.*;
/** 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.
*
* 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.
*/
public class Options {
private static final long serialVersionUID = 0;
/** The context key for the options. */
public static final Context.Key optionsKey =
new Context.Key();
private LinkedHashMap values;
private LinkedHashMap> multiValues;
/** 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();
multiValues = new LinkedHashMap>();
context.put(optionsKey, this);
}
/**
* Get the value for an undocumented option.
*/
public String get(String name) {
return values.get(name);
}
public List getMulti(String name) {
if(multiValues.containsKey(name))
return multiValues.get(name);
return Collections.emptyList();
}
/**
* Get the value for an option.
*/
public String get(OptionName name) {
return values.get(name.optionName);
}
public List getMulti(OptionName name) {
return getMulti(name.optionName);
}
/**
* 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(OptionName name) {
return (values.get(name.optionName) != null);
}
/**
* Check if the value for a choice option has been set to a specific value.
*/
public boolean isSet(OptionName name, String value) {
return (values.get(name.optionName + 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(OptionName name) {
return (values.get(name.optionName) == null);
}
/**
* Check if the value for a choice option has not been set to a specific value.
*/
public boolean isUnset(OptionName name, String value) {
return (values.get(name.optionName + value) == null);
}
public void put(String name, String value) {
values.put(name, value);
}
public void put(OptionName name, String value) {
values.put(name.optionName, value);
}
public void addMulti(String name, String value) {
List list = multiValues.get(name);
if(list == null){
list = new LinkedList();
multiValues.put(name, list);
}
if(!list.contains(value))
list.add(value);
}
public void addMulti(OptionName name, String value) {
addMulti(name.optionName, value);
}
public void putAll(Options options) {
values.putAll(options.values);
}
public void remove(String name) {
values.remove(name);
}
public Set keySet() {
return values.keySet();
}
public int size() {
return values.size();
}
/** 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);
}
}