<?php

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 $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;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzkyNDYxMjM5MjY2MDMxMCA0NjMyNzQ1NTE0ODk4NjkwIDQ4MTI4Njg1NjMxOTY5OQ==