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<?php |
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/** |
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* League.Period (https://period.thephpleague.com) |
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* |
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* (c) Ignace Nyamagana Butera <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace League\Period\Chart; |
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use function array_keys; |
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use function chr; |
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use function fflush; |
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use function fwrite; |
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use function implode; |
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use function preg_replace; |
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use function preg_replace_callback; |
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use function stripos; |
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use function strtolower; |
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use const PHP_EOL; |
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use const PHP_OS; |
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final class ConsoleOutput implements Output |
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{ |
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private const REGEXP_POSIX_PLACEHOLDER = '/(\s+)/msi'; |
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private const POSIX_COLOR_CODES = [ |
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self::COLOR_DEFAULT => '0', |
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self::COLOR_BLACK => '30', |
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self::COLOR_RED => '31', |
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self::COLOR_GREEN => '32', |
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self::COLOR_YELLOW => '33', |
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self::COLOR_BLUE => '34', |
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self::COLOR_MAGENTA => '35', |
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self::COLOR_CYAN => '36', |
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self::COLOR_WHITE => '37', |
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]; |
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/** |
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* @var callable |
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*/ |
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private static $formatter; |
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/** |
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* @var string |
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*/ |
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private static $regexp; |
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/** |
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* @var resource |
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*/ |
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private $stream; |
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/** |
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* Stdout constructor. |
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* |
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* @param resource|mixed $resource |
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*/ |
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public function __construct($resource) |
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{ |
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if (!is_resource($resource)) { |
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throw new \TypeError(sprintf('Argument passed must be a stream resource, %s given', gettype($resource))); |
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} |
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if ('stream' !== ($type = get_resource_type($resource))) { |
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throw new \TypeError(sprintf('Argument passed must be a stream resource, %s resource given', $type)); |
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} |
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$this->stream = $resource; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function writeln(string $message = '', string $color = self::COLOR_DEFAULT): void |
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{ |
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$line = $this->format($this->colorize($message, $color)).PHP_EOL; |
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fwrite($this->stream, $line); |
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fflush($this->stream); |
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} |
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/** |
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* Colorizes the given string. |
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*/ |
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private function colorize(string $characters, string $color): string |
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{ |
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if (!isset(self::POSIX_COLOR_CODES[strtolower($color)])) { |
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return $characters; |
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} |
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return "<<$color>>$characters<<".Output::COLOR_DEFAULT.'>>'; |
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} |
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/** |
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* Returns a formatted line. |
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*/ |
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private function format(string $str): string |
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{ |
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self::$formatter = self::$formatter ?? $this->formatter(); |
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self::$regexp = self::$regexp ?? ',<<\s*((('.implode('|', array_keys(self::POSIX_COLOR_CODES)).')(\s*))+)>>,Umsi'; |
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return (string) preg_replace_callback(self::$regexp, self::$formatter, $str); |
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} |
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/** |
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* Return a writer formatter depending on the OS. |
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*/ |
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private function formatter(): callable |
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{ |
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if (0 !== stripos(PHP_OS, 'WIN')) { |
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return function (array $matches): string { |
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$str = (string) preg_replace(self::REGEXP_POSIX_PLACEHOLDER, ';', (string) $matches[1]); |
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return chr(27).'['.strtr($str, self::POSIX_COLOR_CODES).'m'; |
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}; |
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} |
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return function (array $matches): string { |
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return (string) $matches[0]; |
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}; |
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} |
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} |
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thephpleague /
period
