/** * Clear comment token, but preserve trailing linebreak if there is any. * * @param Tokens $tokens * @param int $index T_COMMENT index * * @deprecated Will be removed in the 2.0 */ private function clearCommentToken(Tokens $tokens, $index) { if ("\n" !== substr($tokens[$index]->getContent(), -1, 1)) { $tokens->clearTokenAndMergeSurroundingWhitespace($index); return; } // if previous not-cleared token is whitespace; // append line break to content $previous = $tokens->getNonEmptySibling($index, -1); if ($tokens[$previous]->isWhitespace()) { $tokens[$previous]->setContent($tokens[$previous]->getContent() . "\n"); $tokens->clearTokenAndMergeSurroundingWhitespace($index); return; } // elseif the next not-cleared token is whitespace; // prepend with line break $next = $tokens->getNonEmptySibling($index, 1); if (null !== $next && $tokens[$next]->isWhitespace()) { $tokens[$next]->setContent("\n" . $tokens[$next]->getContent()); $tokens->clearTokenAndMergeSurroundingWhitespace($index); return; } // else // override with whitespace token linebreak $tokens->overrideAt($index, array(T_WHITESPACE, "\n", $tokens[$index]->getLine())); }