Method addMappedElement

src/main/java/org/htmlunit/html/HtmlPage.java:1852–1861

Adds an element to the ID and name maps, if necessary. @param element the element to be added to the ID and name maps @param recurse indicates if children must be added too

(final DomElement element, final boolean recurse)

     * @param recurse indicates if children must be added too
     */
    void addMappedElement(final DomElement element, final boolean recurse) {
        // Index is built lazily; skip while not built. ensureMappedElementsBuilt()
        // walks the tree once and populates everything on first read.
        if (!mappedElementsBuilt_) {
            return;
        }
        if (isAncestorOf(element)) {
            addElement(element, recurse);
        }
    }

    private void ensureMappedElementsBuilt() {
        if (mappedElementsBuilt_) {