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File / Folder	Size	Action
.	-
NullOutputFormatter.php	1.131KB	edt ren
NullOutputFormatterStyl...	1.339KB	edt ren
OutputFormatter.php	8.013KB	edt ren
OutputFormatterInterfac...	1.271KB	edt ren
OutputFormatterStyle.php	3.228KB	edt ren
OutputFormatterStyleInt...	1.188KB	edt ren
OutputFormatterStyleSta...	2.526KB	edt ren
WrappableOutputFormatte...	0.697KB	edt ren

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * 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 <contact@jfsimon.fr>
 */
class OutputFormatterStyleStack implements ResetInterface
{
    /**
     * @var OutputFormatterStyleInterface[]
     */
    private array $styles = [];

private OutputFormatterStyleInterface $emptyStyle;

public function __construct(?OutputFormatterStyleInterface $emptyStyle = null)
    {
        $this->emptyStyle = $emptyStyle ?? new OutputFormatterStyle();
        $this->reset();
    }

/**
     * Resets stack (ie. empty internal arrays).
     *
     * @return void
     */
    public function reset()
    {
        $this->styles = [];
    }

/**
     * Pushes a style in the stack.
     *
     * @return void
     */
    public function push(OutputFormatterStyleInterface $style)
    {
        $this->styles[] = $style;
    }

/**
     * Pops a style from the stack.
     *
     * @throws InvalidArgumentException When style tags incorrectly nested
     */
    public function pop(?OutputFormatterStyleInterface $style = null): OutputFormatterStyleInterface
    {
        if (!$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.
     */
    public function getCurrent(): OutputFormatterStyleInterface
    {
        if (!$this->styles) {
            return $this->emptyStyle;
        }

return $this->styles[\count($this->styles) - 1];
    }

/**
     * @return $this
     */
    public function setEmptyStyle(OutputFormatterStyleInterface $emptyStyle): static
    {
        $this->emptyStyle = $emptyStyle;

return $this;
    }

public function getEmptyStyle(): OutputFormatterStyleInterface
    {
        return $this->emptyStyle;
    }
}

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