@NotNull
public static TextDiffType makeTextDiffType(@NotNull LineFragment fragment) {
TextDiffType type = TextDiffType.create(fragment.getType());
if (isInlineWrapper(fragment)) {
return TextDiffType.deriveInstanceForInlineWrapperFragment(type);
}
return type;
}
public void execute(
final Change change,
final FilePath filePath,
final SLRUMap<Pair<Long, String>, List<BeforeAfter<TextRange>>> cache,
final LineStatusTrackerManagerI lstManager) {
try {
myDocument = null;
myOldDocument = documentFromRevision(change.getBeforeRevision());
final String convertedPath = FilePathsHelper.convertPath(filePath);
if (filePath.getVirtualFile() != null) {
myDocument =
FileStatus.DELETED.equals(change.getFileStatus())
? new DocumentImpl("")
: FileDocumentManager.getInstance().getDocument(filePath.getVirtualFile());
if (myDocument != null) {
final List<BeforeAfter<TextRange>> cached =
cache.get(new Pair<Long, String>(myDocument.getModificationStamp(), convertedPath));
if (cached != null) {
myRanges = cached;
return;
}
}
}
if (myDocument == null) {
myDocument = documentFromRevision(change.getAfterRevision());
final List<BeforeAfter<TextRange>> cached =
cache.get(new Pair<Long, String>(-1L, convertedPath));
if (cached != null) {
myRanges = cached;
return;
}
}
ComparisonPolicy comparisonPolicy = DiffManagerImpl.getInstanceEx().getComparisonPolicy();
if (comparisonPolicy == null) {
comparisonPolicy = ComparisonPolicy.DEFAULT;
}
final TextCompareProcessor processor = new TextCompareProcessor(comparisonPolicy);
final List<LineFragment> lineFragments =
processor.process(myOldDocument.getText(), myDocument.getText());
myRanges = new ArrayList<BeforeAfter<TextRange>>(lineFragments.size());
for (LineFragment lineFragment : lineFragments) {
if (!lineFragment.isEqual()) {
final TextRange oldRange = lineFragment.getRange(FragmentSide.SIDE1);
final TextRange newRange = lineFragment.getRange(FragmentSide.SIDE2);
int beforeBegin = myOldDocument.getLineNumber(oldRange.getStartOffset());
int beforeEnd =
myOldDocument.getLineNumber(
correctRangeEnd(oldRange.getEndOffset(), myOldDocument));
int afterBegin = myDocument.getLineNumber(newRange.getStartOffset());
int afterEnd =
myDocument.getLineNumber(correctRangeEnd(newRange.getEndOffset(), myDocument));
if (oldRange.isEmpty()) {
beforeEnd = beforeBegin - 1;
}
if (newRange.isEmpty()) {
afterEnd = afterBegin - 1;
}
myRanges.add(
new BeforeAfter<TextRange>(
new UnfairTextRange(beforeBegin, beforeEnd),
new UnfairTextRange(afterBegin, afterEnd)));
}
}
cache.put(
new Pair<Long, String>(myDocument.getModificationStamp(), convertedPath),
new ArrayList<BeforeAfter<TextRange>>(myRanges));
} catch (VcsException e) {
myException = e;
} catch (FilesTooBigForDiffException e) {
myException = new VcsException(e);
}
}
