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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Application\CLI\Output\Processor; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Application\CLI\ColorStyle; /** * Command line output processor supporting ANSI-colored output * * @since 4.0.0 * @deprecated 5.0 Use the `joomla/console` package instead */ class ColorProcessor implements ProcessorInterface { /** * Flag to remove color codes from the output * * @var boolean * @since 4.0.0 */ public $noColors = false; /** * Regex to match tags * * @var string * @since 4.0.0 */ protected $tagFilter = '/<([a-z=;]+)>(.*?)<\/\\1>/s'; /** * Regex used for removing color codes * * @var string * @since 4.0.0 */ protected static $stripFilter = '/<[\/]?[a-z=;]+>/'; /** * Array of ColorStyle objects * * @var ColorStyle[] * @since 4.0.0 */ protected $styles = []; /** * Class constructor * * @param boolean $noColors Defines non-colored mode on construct * * @since 4.0.0 */ public function __construct($noColors = null) { if ($noColors === null) { /* * By default windows cmd.exe and PowerShell does not support ANSI-colored output * if the variable is not set explicitly colors should be disabled on Windows */ $noColors = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'); } $this->noColors = $noColors; $this->addPredefinedStyles(); } /** * Add a style. * * @param string $name The style name. * @param ColorStyle $style The color style. * * @return $this * * @since 4.0.0 */ public function addStyle($name, ColorStyle $style) { $this->styles[$name] = $style; return $this; } /** * Strip color tags from a string. * * @param string $string The string. * * @return string * * @since 4.0.0 */ public static function stripColors($string) { return preg_replace(static::$stripFilter, '', $string); } /** * Process a string. * * @param string $string The string to process. * * @return string * * @since 4.0.0 */ public function process($string) { preg_match_all($this->tagFilter, $string, $matches); if (!$matches) { return $string; } foreach ($matches[0] as $i => $m) { if (\array_key_exists($matches[1][$i], $this->styles)) { $string = $this->replaceColors($string, $matches[1][$i], $matches[2][$i], $this->styles[$matches[1][$i]]); } // Custom format elseif (strpos($matches[1][$i], '=')) { $string = $this->replaceColors($string, $matches[1][$i], $matches[2][$i], ColorStyle::fromString($matches[1][$i])); } } return $string; } /** * Replace color tags in a string. * * @param string $text The original text. * @param string $tag The matched tag. * @param string $match The match. * @param ColorStyle $style The color style to apply. * * @return mixed * * @since 4.0.0 */ private function replaceColors($text, $tag, $match, ColorStyle $style) { $replace = $this->noColors ? $match : "\033[" . $style . 'm' . $match . "\033[0m"; return str_replace('<' . $tag . '>' . $match . '' . $tag . '>', $replace, $text); } /** * Adds predefined color styles to the ColorProcessor object * * @return $this * * @since 4.0.0 */ private function addPredefinedStyles() { $this->addStyle( 'info', new ColorStyle('green', '', ['bold']) ); $this->addStyle( 'comment', new ColorStyle('yellow', '', ['bold']) ); $this->addStyle( 'question', new ColorStyle('black', 'cyan') ); $this->addStyle( 'error', new ColorStyle('white', 'red') ); return $this; } }