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Diffstat (limited to 'vendor/sebastian/environment/src/Console.php')
-rw-r--r-- | vendor/sebastian/environment/src/Console.php | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/vendor/sebastian/environment/src/Console.php b/vendor/sebastian/environment/src/Console.php new file mode 100644 index 000000000..c4a2348f0 --- /dev/null +++ b/vendor/sebastian/environment/src/Console.php @@ -0,0 +1,189 @@ +<?php declare(strict_types=1); +/* + * This file is part of sebastian/environment. + * + * (c) Sebastian Bergmann <[email protected]> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ +namespace SebastianBergmann\Environment; + +use const DIRECTORY_SEPARATOR; +use const STDIN; +use const STDOUT; +use function defined; +use function fclose; +use function fstat; +use function function_exists; +use function getenv; +use function is_resource; +use function is_string; +use function posix_isatty; +use function preg_match; +use function proc_close; +use function proc_open; +use function sapi_windows_vt100_support; +use function shell_exec; +use function stream_get_contents; +use function stream_isatty; +use function trim; + +final class Console +{ + /** + * @var int + */ + public const STDIN = 0; + + /** + * @var int + */ + public const STDOUT = 1; + + /** + * @var int + */ + public const STDERR = 2; + + /** + * Returns true if STDOUT supports colorization. + * + * This code has been copied and adapted from + * Symfony\Component\Console\Output\StreamOutput. + */ + public function hasColorSupport(): bool + { + if ('Hyper' === getenv('TERM_PROGRAM')) { + return true; + } + + if ($this->isWindows()) { + // @codeCoverageIgnoreStart + return (defined('STDOUT') && function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT)) + || false !== getenv('ANSICON') + || 'ON' === getenv('ConEmuANSI') + || 'xterm' === getenv('TERM'); + // @codeCoverageIgnoreEnd + } + + if (!defined('STDOUT')) { + // @codeCoverageIgnoreStart + return false; + // @codeCoverageIgnoreEnd + } + + return $this->isInteractive(STDOUT); + } + + /** + * Returns the number of columns of the terminal. + * + * @codeCoverageIgnore + */ + public function getNumberOfColumns(): int + { + if (!$this->isInteractive(defined('STDIN') ? STDIN : self::STDIN)) { + return 80; + } + + if ($this->isWindows()) { + return $this->getNumberOfColumnsWindows(); + } + + return $this->getNumberOfColumnsInteractive(); + } + + /** + * Returns if the file descriptor is an interactive terminal or not. + * + * Normally, we want to use a resource as a parameter, yet sadly it's not always awailable, + * eg when running code in interactive console (`php -a`), STDIN/STDOUT/STDERR constants are not defined. + * + * @param int|resource $fileDescriptor + */ + public function isInteractive($fileDescriptor = self::STDOUT): bool + { + if (is_resource($fileDescriptor)) { + // These functions require a descriptor that is a real resource, not a numeric ID of it + if (function_exists('stream_isatty') && @stream_isatty($fileDescriptor)) { + return true; + } + + // Check if formatted mode is S_IFCHR + if (function_exists('fstat') && @stream_isatty($fileDescriptor)) { + $stat = @fstat(STDOUT); + + return $stat ? 0020000 === ($stat['mode'] & 0170000) : false; + } + + return false; + } + + return function_exists('posix_isatty') && @posix_isatty($fileDescriptor); + } + + private function isWindows(): bool + { + return DIRECTORY_SEPARATOR === '\\'; + } + + /** + * @codeCoverageIgnore + */ + private function getNumberOfColumnsInteractive(): int + { + if (function_exists('shell_exec') && preg_match('#\d+ (\d+)#', shell_exec('stty size') ?: '', $match) === 1) { + if ((int) $match[1] > 0) { + return (int) $match[1]; + } + } + + if (function_exists('shell_exec') && preg_match('#columns = (\d+);#', shell_exec('stty') ?: '', $match) === 1) { + if ((int) $match[1] > 0) { + return (int) $match[1]; + } + } + + return 80; + } + + /** + * @codeCoverageIgnore + */ + private function getNumberOfColumnsWindows(): int + { + $ansicon = getenv('ANSICON'); + $columns = 80; + + if (is_string($ansicon) && preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim($ansicon), $matches)) { + $columns = (int) $matches[1]; + } elseif (function_exists('proc_open')) { + $process = proc_open( + 'mode CON', + [ + 1 => ['pipe', 'w'], + 2 => ['pipe', 'w'], + ], + $pipes, + null, + null, + ['suppress_errors' => true] + ); + + if (is_resource($process)) { + $info = stream_get_contents($pipes[1]); + + fclose($pipes[1]); + fclose($pipes[2]); + proc_close($process); + + if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) { + $columns = (int) $matches[2]; + } + } + } + + return $columns - 1; + } +} |