League\CommonMark\InlineParserContext::getCursor PHP Method

    public function getCursor()
    {
        return $this->cursor;
    }

 /**
  * @param ContextInterface $context
  * @param InlineParserContext $inlineContext
  *
  * @return bool
  */
 public function parse(ContextInterface $context, InlineParserContext $inlineContext)
 {
     $character = $inlineContext->getCursor()->getCharacter();
     if (!in_array($character, $this->getCharacters())) {
         return false;
     }
     $numDelims = 0;
     $cursor = $inlineContext->getCursor();
     $charBefore = $cursor->peek(-1);
     if ($charBefore === null) {
         $charBefore = "\n";
     }
     while ($cursor->peek($numDelims) === $character) {
         ++$numDelims;
     }
     $cursor->advanceBy($numDelims);
     $charAfter = $cursor->getCharacter();
     if ($charAfter === null) {
         $charAfter = "\n";
     }
     $leftFlanking = $numDelims > 0 && !preg_match('/\\pZ|\\s/u', $charAfter) && !(preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter) && !preg_match('/\\pZ|\\s/u', $charBefore) && !preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore));
     $rightFlanking = $numDelims > 0 && !preg_match('/\\pZ|\\s/u', $charBefore) && !(preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore) && !preg_match('/\\pZ|\\s/u', $charAfter) && !preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter));
     if ($character === '_') {
         $canOpen = $leftFlanking && (!$rightFlanking || preg_match(RegexHelper::REGEX_PUNCTUATION, $charBefore));
         $canClose = $rightFlanking && (!$leftFlanking || preg_match(RegexHelper::REGEX_PUNCTUATION, $charAfter));
     } else {
         $canOpen = $leftFlanking;
         $canClose = $rightFlanking;
     }
     $inlineContext->getInlines()->add(new Text($cursor->getPreviousText(), array('delim' => true)));
     // Add entry to stack to this opener
     $delimiter = new Delimiter($character, $numDelims, $inlineContext->getInlines()->count() - 1, $canOpen, $canClose);
     $inlineContext->getDelimiterStack()->push($delimiter);
     return true;
 }