@NotNull
 public static TextDiffType makeTextDiffType(@NotNull LineFragment fragment) {
   TextDiffType type = TextDiffType.create(fragment.getType());
   if (isInlineWrapper(fragment)) {
     return TextDiffType.deriveInstanceForInlineWrapperFragment(type);
   }
   return type;
 }
Exemple #2
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    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);
      }
    }