/** Process conditionals and non-repeat attributes on an element */
private void processElementInner(Node result, Element element) {
TagHandler handler = registry.getHandlerFor(element);
// An ugly special-case: <os:Repeat> will re-evaluate the "if" attribute
// (as it should) for each loop of the repeat. Don't evaluate it here.
if (!(handler instanceof RepeatTagHandler)) {
Attr ifAttribute = element.getAttributeNode(ATTRIBUTE_IF);
if (ifAttribute != null) {
if (!evaluate(ifAttribute.getValue(), Boolean.class, false)) {
return;
}
}
}
// TODO: the spec is silent on order of evaluation of "cur" relative
// to "if" and "repeat"
Attr curAttribute = element.getAttributeNode(ATTRIBUTE_CUR);
Object oldCur = templateContext.getCur();
if (curAttribute != null) {
templateContext.setCur(evaluate(curAttribute.getValue(), Object.class, null));
}
if (handler != null) {
handler.process(result, element, this);
} else {
// Be careful cloning nodes! If a target node belongs to a different document than the
// template node then use importNode rather than cloneNode as that avoids side-effects
// in UserDataHandlers where the cloned template node would belong to its original
// document before being adopted by the target document.
Element resultNode;
if (element.getOwnerDocument() != result.getOwnerDocument()) {
resultNode = (Element) result.getOwnerDocument().importNode(element, false);
} else {
resultNode = (Element) element.cloneNode(false);
}
clearSpecialAttributes(resultNode);
Node additionalNode = processAttributes(resultNode);
processChildNodes(resultNode, element);
result.appendChild(resultNode);
if (additionalNode != null) {
result.appendChild(additionalNode);
}
}
if (curAttribute != null) {
templateContext.setCur(oldCur);
}
}
