lkishalmi commented on code in PR #8011:
URL: https://github.com/apache/netbeans/pull/8011#discussion_r1870344678
##########
ide/csl.api/src/org/netbeans/modules/csl/editor/semantic/GsfSemanticLayer.java:
##########
@@ -233,101 +187,61 @@ public int getShiftedPos(int pos) {
* of ranges (e.g. for every highlight in the whole document) whereas
asking for the
* current positions is typically only done for the highlights visible on
the screen.
*/
- private class Edit {
- public Edit(int offset, int len, boolean insert) {
- this.offset = offset;
- this.len = len;
- this.insert = insert;
- }
-
- int offset;
- int len;
- boolean insert; // true: insert, false: delete
- }
+ private record Edit(int offset, int len, boolean insert) {}
/**
* An implementation of a HighlightsSequence which can show OffsetRange
* sections and keep them up to date during edits.
*
* @author Tor Norbye
*/
- private static final class GsfHighlightSequence implements
HighlightsSequence {
- private Iterator<SequenceElement> iterator;
+ private final class GsfHighlightSequence implements HighlightsSequence {
+ private final Iterator<SequenceElement> iterator;
private SequenceElement element;
- private final GsfSemanticLayer layer;
- private final int endOffset;
- private SequenceElement nextElement;
- private int nextElementStartOffset = Integer.MAX_VALUE;
- GsfHighlightSequence(GsfSemanticLayer layer, Document doc,
- int startOffset, int endOffset,
- SortedSet<SequenceElement> colorings) {
- this.layer = layer;
- this.endOffset = endOffset;
-
- SequenceElement.ComparisonItem fromInclusive = new
SequenceElement.ComparisonItem(startOffset);
- SortedSet<SequenceElement> subMap =
colorings.tailSet(fromInclusive);
- iterator = subMap.iterator();
- }
-
- private SequenceElement fetchElementFromIterator(boolean
updateNextElementStartOffset) {
- int seStartOffset;
- SequenceElement se;
- if (iterator != null && iterator.hasNext()) {
- se = iterator.next();
- seStartOffset = se.range.getStart();
- if (LOG.isLoggable(Level.FINE)) {
- LOG.log(Level.FINE, "Fetched highlight <{0},{1}>\n", //
NOI18N
- new Object[]{seStartOffset, se.range.getEnd()});
- }
- if (seStartOffset >= endOffset) {
- se = null;
- seStartOffset = Integer.MAX_VALUE;
- iterator = null;
- }
- } else {
- se = null;
- seStartOffset = Integer.MAX_VALUE;
- iterator = null;
- }
- if (updateNextElementStartOffset) {
- nextElementStartOffset = seStartOffset;
- }
- return se;
+ GsfHighlightSequence(Iterator<SequenceElement> it) {
+ iterator = it;
}
@Override
public boolean moveNext() {
- if (nextElement != null) {
- element = nextElement;
- nextElement = fetchElementFromIterator(true);
- } else {
- if ((element = fetchElementFromIterator(false)) != null) {
- nextElement = fetchElementFromIterator(true);
- }
- }
- return (element != null);
+ element = iterator.hasNext() ? iterator.next() : null;
+ return element != null;
}
@Override
public int getStartOffset() {
- return (element != null)
- ? layer.getShiftedPos(element.range.getStart())
- : Integer.MAX_VALUE;
+ return getShiftedPos(element.range().getStart());
}
@Override
public int getEndOffset() {
- return (element != null)
- ? Math.min(layer.getShiftedPos(element.range.getEnd()),
nextElementStartOffset)
- : Integer.MAX_VALUE;
+ return getShiftedPos(element.range().getEnd());
}
Review Comment:
Well, I probably close this PR and create two new ones. One with the
one-line fix, the other is with the code cleanups.
While fixing the issues on `HighlightImp`, it turned out that it's not used
at all.
I guess it is just an old implementation copied over from `...java.semantic`
package (that one is used), and later it turned out CSL would not use token
based Highlighting.
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