�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Formatter; use Symfony\Component\Console\Exception\InvalidArgumentException; use Symfony\Contracts\Service\ResetInterface; /** * @author Jean-François Simon */ class OutputFormatterStyleStack implements ResetInterface { /** * @var OutputFormatterStyleInterface[] */ private $styles; private $emptyStyle; public function __construct(OutputFormatterStyleInterface $emptyStyle = null) { $this->emptyStyle = $emptyStyle ?? new OutputFormatterStyle(); $this->reset(); } /** * Resets stack (ie. empty internal arrays). */ public function reset() { $this->styles = []; } /** * Pushes a style in the stack. */ public function push(OutputFormatterStyleInterface $style) { $this->styles[] = $style; } /** * Pops a style from the stack. * * @return OutputFormatterStyleInterface * * @throws InvalidArgumentException When style tags incorrectly nested */ public function pop(OutputFormatterStyleInterface $style = null) { if (empty($this->styles)) { return $this->emptyStyle; } if (null === $style) { return array_pop($this->styles); } foreach (array_reverse($this->styles, true) as $index => $stackedStyle) { if ($style->apply('') === $stackedStyle->apply('')) { $this->styles = \array_slice($this->styles, 0, $index); return $stackedStyle; } } throw new InvalidArgumentException('Incorrectly nested style tag found.'); } /** * Computes current style with stacks top codes. * * @return OutputFormatterStyle */ public function getCurrent() { if (empty($this->styles)) { return $this->emptyStyle; } return $this->styles[\count($this->styles) - 1]; } /** * @return $this */ public function setEmptyStyle(OutputFormatterStyleInterface $emptyStyle) { $this->emptyStyle = $emptyStyle; return $this; } /** * @return OutputFormatterStyleInterface */ public function getEmptyStyle() { return $this->emptyStyle; } }