nashorn/src/jdk/nashorn/internal/runtime/arrays/MapIterator.java
changeset 19647 12c0b039d74b
parent 19646 0a8d36ce36bc
parent 19516 589f4fdc584e
child 19648 2f514eb96d97
--- a/nashorn/src/jdk/nashorn/internal/runtime/arrays/MapIterator.java	Fri Aug 23 11:10:40 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2010, 2013, 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 jdk.nashorn.internal.runtime.arrays;
-
-import java.util.NoSuchElementException;
-import jdk.nashorn.internal.runtime.JSType;
-import jdk.nashorn.internal.runtime.ScriptObject;
-
-/**
- * Iterator over a map
- */
-class MapIterator extends ArrayLikeIterator<Object> {
-
-    protected final ScriptObject obj;
-    private final long length;
-
-    MapIterator(final ScriptObject obj, final boolean includeUndefined) {
-        super(includeUndefined);
-        this.obj    = obj;
-        this.length = JSType.toUint32(obj.getLength());
-        this.index  = 0;
-    }
-
-    protected boolean indexInArray() {
-        return index < length;
-    }
-
-    @Override
-    public long getLength() {
-        return length;
-    }
-
-    @Override
-    public boolean hasNext() {
-        if (length == 0L) {
-            return false; //return empty string if toUint32(length) == 0
-        }
-
-        while (indexInArray()) {
-            if (obj.has(index) || includeUndefined) {
-                break;
-            }
-            bumpIndex();
-        }
-
-        return indexInArray();
-    }
-
-    @Override
-    public Object next() {
-        if (indexInArray()) {
-            return obj.get(bumpIndex());
-        }
-
-        throw new NoSuchElementException();
-    }
-}