gecko-dev/js/rhino/org/mozilla/javascript/NativeBoolean.java
norris%netscape.com 75d18cd332 A bunch of changes, some experimental.
Support for jsGet_ and jsSet_ prefixes to methods for explicit getter
and setter definition.
Addition of "importClass" and "importPackage" top-level functions.
The beginnings of a history object accessible from the shell.
1999-06-18 17:37:20 +00:00

75 lines
2.2 KiB
Java

/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1997-1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
package org.mozilla.javascript;
/**
* This class implements the Boolean native object.
* See ECMA 15.6.
* @author Norris Boyd
*/
public class NativeBoolean extends ScriptableObject {
/**
* Zero-parameter constructor: just used to create Boolean.prototype
*/
public NativeBoolean() {
}
public 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 booleanValue ? Boolean.TRUE : Boolean.FALSE;
return super.getDefaultValue(typeHint);
}
public static Object jsConstructor(Context cx, Object[] args,
Function ctorObj, boolean inNewExpr)
{
boolean b = args.length >= 1
? ScriptRuntime.toBoolean(args[0])
: false;
if (inNewExpr) {
// new Boolean(val) creates a new boolean object.
return new NativeBoolean(b);
}
// Boolean(val) converts val to a boolean.
return b ? Boolean.TRUE : Boolean.FALSE;
}
public String jsFunction_toString() {
return booleanValue ? "true" : "false";
}
public boolean jsFunction_valueOf() {
return booleanValue;
}
private boolean booleanValue;
}