Color.php

<?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;

use Symfony\Component\Console\Exception\InvalidArgumentException;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class Color {
    private const COLORS = [
        'black' => 0,
        'red' => 1,
        'green' => 2,
        'yellow' => 3,
        'blue' => 4,
        'magenta' => 5,
        'cyan' => 6,
        'white' => 7,
        'default' => 9,
    ];
    private const BRIGHT_COLORS = [
        'gray' => 0,
        'bright-red' => 1,
        'bright-green' => 2,
        'bright-yellow' => 3,
        'bright-blue' => 4,
        'bright-magenta' => 5,
        'bright-cyan' => 6,
        'bright-white' => 7,
    ];
    private const AVAILABLE_OPTIONS = [
        'bold' => [
            'set' => 1,
            'unset' => 22,
        ],
        'underscore' => [
            'set' => 4,
            'unset' => 24,
        ],
        'blink' => [
            'set' => 5,
            'unset' => 25,
        ],
        'reverse' => [
            'set' => 7,
            'unset' => 27,
        ],
        'conceal' => [
            'set' => 8,
            'unset' => 28,
        ],
    ];
    private string $foreground;
    private string $background;
    private array $options = [];
    public function __construct(string $foreground = '', string $background = '', array $options = []) {
        $this->foreground = $this->parseColor($foreground);
        $this->background = $this->parseColor($background, true);
        foreach ($options as $option) {
            if (!isset(self::AVAILABLE_OPTIONS[$option])) {
                throw new InvalidArgumentException(\sprintf('Invalid option specified: "%s". Expected one of (%s).', $option, implode(', ', array_keys(self::AVAILABLE_OPTIONS))));
            }
            $this->options[$option] = self::AVAILABLE_OPTIONS[$option];
        }
    }
    public function apply(string $text) : string {
        return $this->set() . $text . $this->unset();
    }
    public function set() : string {
        $setCodes = [];
        if ('' !== $this->foreground) {
            $setCodes[] = $this->foreground;
        }
        if ('' !== $this->background) {
            $setCodes[] = $this->background;
        }
        foreach ($this->options as $option) {
            $setCodes[] = $option['set'];
        }
        if (0 === \count($setCodes)) {
            return '';
        }
        return \sprintf("\x1b[%sm", implode(';', $setCodes));
    }
    public function unset() : string {
        $unsetCodes = [];
        if ('' !== $this->foreground) {
            $unsetCodes[] = 39;
        }
        if ('' !== $this->background) {
            $unsetCodes[] = 49;
        }
        foreach ($this->options as $option) {
            $unsetCodes[] = $option['unset'];
        }
        if (0 === \count($unsetCodes)) {
            return '';
        }
        return \sprintf("\x1b[%sm", implode(';', $unsetCodes));
    }
    private function parseColor(string $color, bool $background = false) : string {
        if ('' === $color) {
            return '';
        }
        if ('#' === $color[0]) {
            return ($background ? '4' : '3') . Terminal::getColorMode()->convertFromHexToAnsiColorCode($color);
        }
        if (isset(self::COLORS[$color])) {
            return ($background ? '4' : '3') . self::COLORS[$color];
        }
        if (isset(self::BRIGHT_COLORS[$color])) {
            return ($background ? '10' : '9') . self::BRIGHT_COLORS[$color];
        }
        throw new InvalidArgumentException(\sprintf('Invalid "%s" color; expected one of (%s).', $color, implode(', ', array_merge(array_keys(self::COLORS), array_keys(self::BRIGHT_COLORS)))));
    }

}