public NodePointer getNodePointer() {
        if (position == 0) {
            setPosition(1);
        }
        return (attribute == null) ? null : new Xpp3DomAttributePointer(parent, attribute);
    }

    @Override
    public int getPosition() {
        return position;
    }

    @Override
    public boolean setPosition(int position) {
        this.position = position;

    @Override
    public NodePointer getNodePointer() {
        if (position == 0) {
            setPosition(1);
        }
        return (child == null) ? null : new Xpp3DomNodePointer(parent, child);
    }

    @Override
    public int getPosition() {
        return position;
    }

    @Override
    public boolean setPosition(int position) {
        this.position = position;
        filterChildren(position);

            tokenizer = new Tokenizer(expression);
            tokenizer.nextPropertyName();
            if (tokenizer.getPosition() == EOF) {
                return null;
            }
        } else {
            tokenizer = new Tokenizer("." + expression);
        }

        int propertyPosition = tokenizer.getPosition();
        while (value != null && tokenizer.peekChar() != EOF) {
            switch (tokenizer.skipChar()) {

        assertNotNull(tokens);
        assertEquals(3, tokens.size());
        assertEquals(0, tokens.get(0).getPosition());
        assertEquals(1, tokens.get(1).getPosition());
        assertEquals(2, tokens.get(2).getPosition());
    }

    @Test
    public void testAnalyzeTokenOffsets() {
        // Test that token offsets are correct
        String text = "one two three";