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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Norris Boyd
* Igor Bukanov
* Mike McCabe
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.javascript;
/**
* This class implements the Boolean native object.
* See ECMA 15.6.
* @author Norris Boyd
*/
final class NativeBoolean extends IdScriptableObject
{
static final long serialVersionUID = -3716996899943880933L;
private static final Object BOOLEAN_TAG = new Object();
static void init(Scriptable scope, boolean sealed)
{
NativeBoolean obj = new NativeBoolean(false);
obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
}
private NativeBoolean(boolean b)
{
booleanValue = b;
}
public String getClassName()
{
return "Boolean";
}
public Object getDefaultValue(Class typeHint) {
// This is actually non-ECMA, but will be proposed
// as a change in round 2.
if (typeHint == ScriptRuntime.BooleanClass)
return ScriptRuntime.wrapBoolean(booleanValue);
return super.getDefaultValue(typeHint);
}
protected void initPrototypeId(int id)
{
String s;
int arity;
switch (id) {
case Id_constructor: arity=1; s="constructor"; break;
case Id_toString: arity=0; s="toString"; break;
case Id_toSource: arity=0; s="toSource"; break;
case Id_valueOf: arity=0; s="valueOf"; break;
default: throw new IllegalArgumentException(String.valueOf(id));
}
initPrototypeMethod(BOOLEAN_TAG, id, s, arity);
}
public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
Scriptable thisObj, Object[] args)
{
if (!f.hasTag(BOOLEAN_TAG)) {
return super.execIdCall(f, cx, scope, thisObj, args);
}
int id = f.methodId();
if (id == Id_constructor) {
boolean b;
if (args.length == 0) {
b = false;
} else {
b = args[0] instanceof ScriptableObject &&
((ScriptableObject) args[0]).avoidObjectDetection()
? true
: ScriptRuntime.toBoolean(args[0]);
}
if (thisObj == null) {
// new Boolean(val) creates a new boolean object.
return new NativeBoolean(b);
}
// Boolean(val) converts val to a boolean.
return ScriptRuntime.wrapBoolean(b);
}
// The rest of Boolean.prototype methods require thisObj to be Boolean
if (!(thisObj instanceof NativeBoolean))
throw incompatibleCallError(f);
boolean value = ((NativeBoolean)thisObj).booleanValue;
switch (id) {
case Id_toString:
return value ? "true" : "false";
case Id_toSource:
return value ? "(new Boolean(true))" : "(new Boolean(false))";
case Id_valueOf:
return ScriptRuntime.wrapBoolean(value);
}
throw new IllegalArgumentException(String.valueOf(id));
}
// #string_id_map#
protected int findPrototypeId(String s)
{
int id;
// #generated# Last update: 2007-05-09 08:15:31 EDT
L0: { id = 0; String X = null; int c;
int s_length = s.length();
if (s_length==7) { X="valueOf";id=Id_valueOf; }
else if (s_length==8) {
c=s.charAt(3);
if (c=='o') { X="toSource";id=Id_toSource; }
else if (c=='t') { X="toString";id=Id_toString; }
}
else if (s_length==11) { X="constructor";id=Id_constructor; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
return id;
}
private static final int
Id_constructor = 1,
Id_toString = 2,
Id_toSource = 3,
Id_valueOf = 4,
MAX_PROTOTYPE_ID = 4;
// #/string_id_map#
private boolean booleanValue;
}
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