How to use

getEnd

method

in

com.intellij.openapi.editor.highlighter.HighlighterIterator

/**
 *
 * @param highlighterIterator
 * @param offset the current offset in the file of the {@code highlighterIterator}
 * @return {@code true} if {@link HighlighterIterator#getTokenType()} is one of {@link #CLOSING_QUOTES} and
 *   {@code offset} is {@link HighlighterIterator#getStart()}
 */
@Override
public boolean isClosingQuote(HighlighterIterator highlighterIterator, int offset) {
  boolean isClosingQuote = false;
  if (CLOSING_QUOTES.contains(highlighterIterator.getTokenType())) {
    int start = highlighterIterator.getStart();
    int end = highlighterIterator.getEnd();
    isClosingQuote = end - start >= 1 && offset == end - 1;
  }
  return isClosingQuote;
}

@Nullable
@Override
public CharSequence getClosingQuote(HighlighterIterator highlighterIterator, int offset) {
  CharSequence closingQuote = null;
  if (highlighterIterator.getStart() > 0) {
    highlighterIterator.retreat();
    try {
      IElementType tokenType = highlighterIterator.getTokenType();
      if (CLOSING_QUOTE_BY_OPENING_QUOTE.get(tokenType) != null) {
        Document document = highlighterIterator.getDocument();
        if (document != null) {
          String promoter = document.getText(
              new TextRange(highlighterIterator.getStart(), highlighterIterator.getEnd())
          );
          String terminator = StackFrame.TERMINATOR_BY_PROMOTER.get(promoter);
          if (terminator != null) {
            if (terminator.length() >= 3) {
              closingQuote = "\n" + terminator;
            } else {
              closingQuote = terminator;
            }
          }
        }
      }
    } finally {
      highlighterIterator.advance();
    }
  }
  return closingQuote;
}

/**
 * Should return true if the current offset is the closing quote of the string. Unfortunately, I'm not quite sure
 * anymore why I had to make the calculations but I remember that something with the removal of an empty string did
 * not work.
 *
 * @param iterator
 *     the iterator to move through the token stream. Here, only used to get the current token type
 * @param offset
 *     current character offset
 * @return true, if the current offset is a closing quote
 */
@Override
public boolean isClosingQuote(HighlighterIterator iterator, int offset) {
 final IElementType tokenType = iterator.getTokenType();
 if (tokenType.equals(STRING_LITERAL_END)) {
  int start = iterator.getStart();
  int end = iterator.getEnd();
  return end - start >= 1 && offset == end - 1;
 }
 return false;
}

@Nullable
private IElementType getNonWhitespaceElementType(final HighlighterIterator iterator, int curLineStart, final int prevLineStartOffset) {
 while (!iterator.atEnd() && iterator.getEnd() >= curLineStart && iterator.getStart() >= prevLineStartOffset) {
  final IElementType tokenType = iterator.getTokenType();
  if (!MathematicaElementTypes.WHITE_SPACE_OR_COMMENTS.contains(tokenType)) {
   return tokenType;
  }
  iterator.retreat();
 }
 return null;
}

@Nullable
private IElementType getNonWhitespaceElementType(final HighlighterIterator iterator, int curLineStart, final int prevLineStartOffset) {
 while (!iterator.atEnd() && iterator.getEnd() >= curLineStart && iterator.getStart() >= prevLineStartOffset) {
  final IElementType tokenType = iterator.getTokenType();
  if (!MathematicaElementTypes.WHITE_SPACE_OR_COMMENTS.contains(tokenType)) {
   return tokenType;
  }
  iterator.retreat();
 }
 return null;
}

 return false;
else if (level == 0 && highlighterIterator.getEnd() > offset) {
 return true;

public Brace(IElementType elementType, HighlighterIterator iterator) {
  this.elementType = elementType;
  this.offset = iterator.getStart();
  Document document = iterator.getDocument();
  this.text = document.getText(new TextRange(iterator.getStart(),
      iterator.getEnd()));
}

 StringUtil.containsLineBreak(documentChars.subSequence(currentOffset, highlighterIterator.getEnd()))) {
return Result.Continue;

  PerlEditorUtil.moveToPreviousMeaningfulToken(highlighter.createIterator(currentOffset - 1));
 if (!preQuoteIterator.atEnd() && QUOTE_OPEN_ANY.contains(preQuoteIterator.getTokenType())) {
  startOffsetToDelete = preQuoteIterator.getEnd();
  caretModel.moveToOffset(preQuoteIterator.getEnd());
 POST_HANDLER.set(editor, () -> true);
editor.getDocument().deleteString(startOffsetToDelete, iterator.getEnd());

public BracePair findClosetBracePairInStringSymbols(int offset) {
  if (offset < 0 || this.fileText == null || this.fileText.length() == 0)
    return EMPTY_BRACE_PAIR;
  EditorHighlighter editorHighlighter = ((EditorEx) editor).getHighlighter();
  HighlighterIterator iterator = editorHighlighter.createIterator(offset);
  IElementType type = iterator.getTokenType();
  boolean isBlockCaret = this.isBlockCaret();
  if (!BraceMatchingUtilAdapter.isStringToken(type))
    return EMPTY_BRACE_PAIR;
  int leftOffset = iterator.getStart();
  int rightOffset = iterator.getEnd() - 1;
  if (!isBlockCaret && leftOffset == offset)
    return EMPTY_BRACE_PAIR;
  return new BracePair.BracePairBuilder().
      leftType(DOUBLE_QUOTE).
      rightType(DOUBLE_QUOTE).
      leftOffset(leftOffset).
      rightOffset(rightOffset).build();
}