private void assignBlockLevel(Direction paragraphEmbeddingLevel) {
int defaultLevel = (paragraphEmbeddingLevel == Direction.RL) ? 1 : 0;
for (Iterator it = intervals.iterator(); it.hasNext(); ) {
TextInterval ti = (TextInterval) it.next();
assignBlockLevel(ti.getNode(), defaultLevel);
}
}
private List assignLevels(TextInterval ti, int[] levels) {
Vector tiv = new Vector();
FONode fn = ti.getNode();
int fnStart = ti.getStart(); // start of node's text in delimited text range
for (int i = fnStart, n = ti.getEnd(); i < n; ) {
int s = i; // inclusive start index of interval in delimited text range
int e = s; // exclusive end index of interval in delimited text range
int l = levels[s]; // current run level
while (e < n) { // skip to end of run level or end of interval
if (levels[e] != l) {
break;
} else {
e++;
}
}
if ((ti.getStart() == s) && (ti.getEnd() == e)) {
ti.setLevel(l); // reuse interval, assigning it single level
} else {
ti = new TextInterval(fn, fnStart, s, e, l); // subdivide interval
}
if (log.isDebugEnabled()) {
log.debug("AL(" + l + "): " + ti);
}
tiv.add(ti);
i = e;
}
return tiv;
}