@Override
public int getLength() {
if (this.group.isEmpty()) {
return this.node.getLength();
}
IRegion coverage = TextEdit.getCoverage(this.group.getTextEdits());
if (coverage == null) {
return this.node.getLength();
}
return coverage.getLength();
}
@Override
public int getStartPosition() {
if (this.group.isEmpty()) {
return this.node.getOffset();
}
IRegion coverage = TextEdit.getCoverage(this.group.getTextEdits());
if (coverage == null) {
return this.node.getOffset();
}
return coverage.getOffset();
}
private static IRegion getCorrespondingEditChangeRange(
SearchMatch searchResult, TextChangeManager manager) {
TextChange change = getTextChange(searchResult, manager);
if (change == null) return null;
IRegion oldMatchRange = createTextRange(searchResult);
TextEditChangeGroup[] editChanges = change.getTextEditChangeGroups();
for (int i = 0; i < editChanges.length; i++) {
if (oldMatchRange.equals(editChanges[i].getRegion()))
return TextEdit.getCoverage(change.getPreviewEdits(editChanges[i].getTextEdits()));
}
return null;
}
/**
* @param change
* @return Map <Integer oldOffset, Integer updatedOffset>
*/
private static Map<Integer, Integer> getEditChangeOffsetUpdates(TextChange change) {
TextEditChangeGroup[] editChanges = change.getTextEditChangeGroups();
Map<Integer, Integer> offsetUpdates = new HashMap<>(editChanges.length);
for (int i = 0; i < editChanges.length; i++) {
TextEditChangeGroup editChange = editChanges[i];
IRegion oldRegion = editChange.getRegion();
if (oldRegion == null) continue;
IRegion updatedRegion =
TextEdit.getCoverage(change.getPreviewEdits(editChange.getTextEdits()));
if (updatedRegion == null) continue;
offsetUpdates.put(new Integer(oldRegion.getOffset()), new Integer(updatedRegion.getOffset()));
}
return offsetUpdates;
}