private boolean inlinable(final Element element) {
// returns true if the specified element should be inlined
final StartTagType startTagType = element.getStartTag().getStartTagType();
if (startTagType == StartTagType.DOCTYPE_DECLARATION) return false;
if (startTagType != StartTagType.NORMAL) return true;
// element is a normal type
final String elementName = element.getName();
if (elementName == HTMLElementName.SCRIPT) return !indentScriptElements;
if (removeLineBreaks && !HTMLElements.getElementNames().contains(elementName))
return true; // inline non-HTML elements if removing line breaks
if (!HTMLElements.getInlineLevelElementNames().contains(elementName)) return false;
// element is inline type
if (removeLineBreaks) return true;
return containsOnlyInlineLevelChildElements(
element); // only inline if it doesn't illegally contain non-inline elements
}
private boolean containsOnlyInlineLevelChildElements(final Element element) {
// returns true if the element contains only inline-level elements except for SCRIPT elements.
final Collection childElements = element.getChildElements();
if (childElements.isEmpty()) return true;
for (final Iterator i = childElements.iterator(); i.hasNext(); ) {
final Element childElement = (Element) i.next();
final String elementName = childElement.getName();
if (elementName == HTMLElementName.SCRIPT
|| !HTMLElements.getInlineLevelElementNames().contains(elementName)) return false;
if (!containsOnlyInlineLevelChildElements(childElement)) return false;
}
return true;
}