private float adjustByTag(Element elem, float sum) {
final HTMLTag tag = htmlTag(elem);
// FIXME: Just examples.
if (tag == HTML.A) {
CharSequence href = elem.attribute(HTML.ATTR_HREF);
if ((href != null) && href.length() > 0) {
sum *= 0.25f;
}
} else if (tag == HTML.H1) {
sum *= 2.0f;
} else if (tag == HTML.H2) {
sum *= 1.8f;
} else if (tag == HTML.H3) {
sum *= 1.6f;
}
return sum;
}
@Override
public Action filter(Node node) {
final Element elem = node.asElement();
if (elem != null) {
float inlineSum = 0.0f;
float blockSum = 0.0f;
for (Node child : elem.children()) {
final Integer cwords = child.get(WORD_COUNT);
if (cwords != null) {
Element celm = child.asElement();
if (celm != null) {
final Float cwordy = celm.get(WORDINESS);
if (isInline(celm)) {
inlineSum += cwordy;
} else {
blockSum += (cwordy * cwords);
}
} else {
inlineSum += cwords;
}
}
}
float sum = inlineSum;
int ewc = elem.get(WORD_COUNT);
if (ewc > 0) sum += (blockSum / ewc);
// FIXME: Really just additive in inline plus block case?
sum = adjustByTag(elem, sum);
elem.set(WORDINESS, sum);
}
return Action.CONTINUE;
}
