LeafBlockWrapper getOffsetRespBlockBefore(final LeafBlockWrapper block) {
LeafBlockWrapper result = null;
if (myOffsetRespBlocks != EMPTY) {
LeafBlockWrapper lastBlockAfterLineFeed = null;
LeafBlockWrapper firstAlignedBlock = null;
LeafBlockWrapper lastAlignedBlock = null;
for (Iterator<LeafBlockWrapper> each = myOffsetRespBlocks.iterator(); each.hasNext(); ) {
final LeafBlockWrapper current = each.next();
if (block == null || current.getStartOffset() < block.getStartOffset()) {
if (firstAlignedBlock == null
|| firstAlignedBlock.getStartOffset() > current.getStartOffset()) {
firstAlignedBlock = current;
}
if (lastAlignedBlock == null
|| lastAlignedBlock.getStartOffset() < current.getStartOffset()) {
lastAlignedBlock = current;
}
if (current.getWhiteSpace().containsLineFeeds()
&& (lastBlockAfterLineFeed == null
|| lastBlockAfterLineFeed.getStartOffset() < current.getStartOffset())) {
lastBlockAfterLineFeed = current;
}
}
// each.remove();
}
if (lastBlockAfterLineFeed != null) {
result = lastBlockAfterLineFeed;
} else if (firstAlignedBlock != null) {
result = firstAlignedBlock;
} else {
result = lastAlignedBlock;
}
}
if (result == null && myParentAlignment != null) {
return myParentAlignment.getOffsetRespBlockBefore(block);
} else {
return result;
}
}