annotate vendor/psy/psysh/src/Formatter/CodeFormatter.php @ 13:5fb285c0d0e3

Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've been lucky to get away with this so far, as we don't support self-registration which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5 was vulnerable to.
author Chris Cannam
date Mon, 23 Apr 2018 09:33:26 +0100
parents
children c2387f117808
rev   line source
Chris@13 1 <?php
Chris@13 2
Chris@13 3 /*
Chris@13 4 * This file is part of Psy Shell.
Chris@13 5 *
Chris@13 6 * (c) 2012-2018 Justin Hileman
Chris@13 7 *
Chris@13 8 * For the full copyright and license information, please view the LICENSE
Chris@13 9 * file that was distributed with this source code.
Chris@13 10 */
Chris@13 11
Chris@13 12 namespace Psy\Formatter;
Chris@13 13
Chris@13 14 use JakubOnderka\PhpConsoleHighlighter\Highlighter;
Chris@13 15 use Psy\Configuration;
Chris@13 16 use Psy\ConsoleColorFactory;
Chris@13 17 use Psy\Exception\RuntimeException;
Chris@13 18
Chris@13 19 /**
Chris@13 20 * A pretty-printer for code.
Chris@13 21 */
Chris@13 22 class CodeFormatter implements Formatter
Chris@13 23 {
Chris@13 24 /**
Chris@13 25 * Format the code represented by $reflector.
Chris@13 26 *
Chris@13 27 * @param \Reflector $reflector
Chris@13 28 * @param null|string $colorMode (default: null)
Chris@13 29 *
Chris@13 30 * @return string formatted code
Chris@13 31 */
Chris@13 32 public static function format(\Reflector $reflector, $colorMode = null)
Chris@13 33 {
Chris@13 34 if (!self::isReflectable($reflector)) {
Chris@13 35 throw new RuntimeException('Source code unavailable');
Chris@13 36 }
Chris@13 37
Chris@13 38 $colorMode = $colorMode ?: Configuration::COLOR_MODE_AUTO;
Chris@13 39
Chris@13 40 if ($reflector instanceof \ReflectionGenerator) {
Chris@13 41 $reflector = $reflector->getFunction();
Chris@13 42 }
Chris@13 43
Chris@13 44 if ($fileName = $reflector->getFileName()) {
Chris@13 45 if (!is_file($fileName)) {
Chris@13 46 throw new RuntimeException('Source code unavailable');
Chris@13 47 }
Chris@13 48
Chris@13 49 $file = file_get_contents($fileName);
Chris@13 50 $start = $reflector->getStartLine();
Chris@13 51 $end = $reflector->getEndLine() - $start;
Chris@13 52
Chris@13 53 $factory = new ConsoleColorFactory($colorMode);
Chris@13 54 $colors = $factory->getConsoleColor();
Chris@13 55 $highlighter = new Highlighter($colors);
Chris@13 56
Chris@13 57 return $highlighter->getCodeSnippet($file, $start, 0, $end);
Chris@13 58 } else {
Chris@13 59 throw new RuntimeException('Source code unavailable');
Chris@13 60 }
Chris@13 61 }
Chris@13 62
Chris@13 63 /**
Chris@13 64 * Check whether a Reflector instance is reflectable by this formatter.
Chris@13 65 *
Chris@13 66 * @param \Reflector $reflector
Chris@13 67 *
Chris@13 68 * @return bool
Chris@13 69 */
Chris@13 70 private static function isReflectable(\Reflector $reflector)
Chris@13 71 {
Chris@13 72 return $reflector instanceof \ReflectionClass ||
Chris@13 73 $reflector instanceof \ReflectionFunctionAbstract ||
Chris@13 74 $reflector instanceof \ReflectionGenerator;
Chris@13 75 }
Chris@13 76 }