Method addElement

src/main/java/org/htmlunit/html/HtmlPage.java:1879–1917

(final DomElement element, final boolean recurse)

    }

    private void addElement(final DomElement element, final boolean recurse) {
        final String idValue = element.getAttribute(DomElement.ID_ATTRIBUTE);
        if (ATTRIBUTE_NOT_DEFINED != idValue) {
            MappedElementIndexEntry elements = idMap_.get(idValue);
            if (elements == null) {
                elements = new MappedElementIndexEntry();
                elements.add(element);
                idMap_.put(idValue, elements);
            }
            else {
                elements.add(element);
            }
        }

        final String nameValue = element.getAttribute(DomElement.NAME_ATTRIBUTE);
        if (ATTRIBUTE_NOT_DEFINED != nameValue) {
            MappedElementIndexEntry elements = nameMap_.get(nameValue);
            if (elements == null) {
                elements = new MappedElementIndexEntry();
                elements.add(element);
                nameMap_.put(nameValue, elements);
            }
            else {
                elements.add(element);
            }
        }

        if (recurse) {
            // poor man's approach - we don't use getChildElements()
            // to avoid a bunch of object constructions
            DomNode nextChild = element.getFirstChild();
            while (nextChild != null) {
                if (nextChild instanceof DomElement domElement) {
                    addElement(domElement, true);
                }
                nextChild = nextChild.getNextSibling();
            }
        }
    }

    /**
     * Removes an element and optionally its children from the ID and name maps, if necessary.