annotate vendor/psy/psysh/src/Formatter/CodeFormatter.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
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 = $colorMode ?: Configuration::COLOR_MODE_AUTO;
Chris@13 39
Chris@13 40 if ($fileName = $reflector->getFileName()) {
Chris@17 41 if (!\is_file($fileName)) {
Chris@13 42 throw new RuntimeException('Source code unavailable');
Chris@13 43 }
Chris@13 44
Chris@17 45 $file = \file_get_contents($fileName);
Chris@13 46 $start = $reflector->getStartLine();
Chris@13 47 $end = $reflector->getEndLine() - $start;
Chris@13 48
Chris@13 49 $factory = new ConsoleColorFactory($colorMode);
Chris@13 50 $colors = $factory->getConsoleColor();
Chris@13 51 $highlighter = new Highlighter($colors);
Chris@13 52
Chris@13 53 return $highlighter->getCodeSnippet($file, $start, 0, $end);
Chris@13 54 } else {
Chris@13 55 throw new RuntimeException('Source code unavailable');
Chris@13 56 }
Chris@13 57 }
Chris@13 58
Chris@13 59 /**
Chris@13 60 * Check whether a Reflector instance is reflectable by this formatter.
Chris@13 61 *
Chris@13 62 * @param \Reflector $reflector
Chris@13 63 *
Chris@13 64 * @return bool
Chris@13 65 */
Chris@13 66 private static function isReflectable(\Reflector $reflector)
Chris@13 67 {
Chris@13 68 return $reflector instanceof \ReflectionClass ||
Chris@16 69 $reflector instanceof \ReflectionFunctionAbstract;
Chris@13 70 }
Chris@13 71 }