annotate vendor/psy/psysh/src/VarDumper/Presenter.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\VarDumper;
Chris@13 13
Chris@13 14 use Symfony\Component\Console\Formatter\OutputFormatter;
Chris@13 15 use Symfony\Component\VarDumper\Caster\Caster;
Chris@13 16 use Symfony\Component\VarDumper\Cloner\Stub;
Chris@13 17
Chris@13 18 /**
Chris@13 19 * A Presenter service.
Chris@13 20 */
Chris@13 21 class Presenter
Chris@13 22 {
Chris@13 23 const VERBOSE = 1;
Chris@13 24
Chris@13 25 private $cloner;
Chris@13 26 private $dumper;
Chris@13 27 private $exceptionsImportants = [
Chris@13 28 "\0*\0message",
Chris@13 29 "\0*\0code",
Chris@13 30 "\0*\0file",
Chris@13 31 "\0*\0line",
Chris@13 32 "\0Exception\0previous",
Chris@13 33 ];
Chris@13 34 private $styles = [
Chris@13 35 'num' => 'number',
Chris@13 36 'const' => 'const',
Chris@13 37 'str' => 'string',
Chris@13 38 'cchr' => 'default',
Chris@13 39 'note' => 'class',
Chris@13 40 'ref' => 'default',
Chris@13 41 'public' => 'public',
Chris@13 42 'protected' => 'protected',
Chris@13 43 'private' => 'private',
Chris@13 44 'meta' => 'comment',
Chris@13 45 'key' => 'comment',
Chris@13 46 'index' => 'number',
Chris@13 47 ];
Chris@13 48
Chris@13 49 public function __construct(OutputFormatter $formatter, $forceArrayIndexes = false)
Chris@13 50 {
Chris@13 51 // Work around https://github.com/symfony/symfony/issues/23572
Chris@17 52 $oldLocale = \setlocale(LC_NUMERIC, 0);
Chris@17 53 \setlocale(LC_NUMERIC, 'C');
Chris@13 54
Chris@13 55 $this->dumper = new Dumper($formatter, $forceArrayIndexes);
Chris@13 56 $this->dumper->setStyles($this->styles);
Chris@13 57
Chris@13 58 // Now put the locale back
Chris@17 59 \setlocale(LC_NUMERIC, $oldLocale);
Chris@13 60
Chris@13 61 $this->cloner = new Cloner();
Chris@13 62 $this->cloner->addCasters(['*' => function ($obj, array $a, Stub $stub, $isNested, $filter = 0) {
Chris@13 63 if ($filter || $isNested) {
Chris@13 64 if ($obj instanceof \Exception) {
Chris@13 65 $a = Caster::filter($a, Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_EMPTY, $this->exceptionsImportants);
Chris@13 66 } else {
Chris@13 67 $a = Caster::filter($a, Caster::EXCLUDE_PROTECTED | Caster::EXCLUDE_PRIVATE);
Chris@13 68 }
Chris@13 69 }
Chris@13 70
Chris@13 71 return $a;
Chris@13 72 }]);
Chris@13 73 }
Chris@13 74
Chris@13 75 /**
Chris@13 76 * Register casters.
Chris@13 77 *
Chris@13 78 * @see http://symfony.com/doc/current/components/var_dumper/advanced.html#casters
Chris@13 79 *
Chris@13 80 * @param callable[] $casters A map of casters
Chris@13 81 */
Chris@13 82 public function addCasters(array $casters)
Chris@13 83 {
Chris@13 84 $this->cloner->addCasters($casters);
Chris@13 85 }
Chris@13 86
Chris@13 87 /**
Chris@13 88 * Present a reference to the value.
Chris@13 89 *
Chris@13 90 * @param mixed $value
Chris@13 91 *
Chris@13 92 * @return string
Chris@13 93 */
Chris@13 94 public function presentRef($value)
Chris@13 95 {
Chris@13 96 return $this->present($value, 0);
Chris@13 97 }
Chris@13 98
Chris@13 99 /**
Chris@13 100 * Present a full representation of the value.
Chris@13 101 *
Chris@13 102 * If $depth is 0, the value will be presented as a ref instead.
Chris@13 103 *
Chris@13 104 * @param mixed $value
Chris@13 105 * @param int $depth (default: null)
Chris@13 106 * @param int $options One of Presenter constants
Chris@13 107 *
Chris@13 108 * @return string
Chris@13 109 */
Chris@13 110 public function present($value, $depth = null, $options = 0)
Chris@13 111 {
Chris@13 112 $data = $this->cloner->cloneVar($value, !($options & self::VERBOSE) ? Caster::EXCLUDE_VERBOSE : 0);
Chris@13 113
Chris@13 114 if (null !== $depth) {
Chris@13 115 $data = $data->withMaxDepth($depth);
Chris@13 116 }
Chris@13 117
Chris@13 118 // Work around https://github.com/symfony/symfony/issues/23572
Chris@17 119 $oldLocale = \setlocale(LC_NUMERIC, 0);
Chris@17 120 \setlocale(LC_NUMERIC, 'C');
Chris@13 121
Chris@13 122 $output = '';
Chris@13 123 $this->dumper->dump($data, function ($line, $depth) use (&$output) {
Chris@13 124 if ($depth >= 0) {
Chris@13 125 if ('' !== $output) {
Chris@13 126 $output .= PHP_EOL;
Chris@13 127 }
Chris@17 128 $output .= \str_repeat(' ', $depth) . $line;
Chris@13 129 }
Chris@13 130 });
Chris@13 131
Chris@13 132 // Now put the locale back
Chris@17 133 \setlocale(LC_NUMERIC, $oldLocale);
Chris@13 134
Chris@13 135 return OutputFormatter::escape($output);
Chris@13 136 }
Chris@13 137 }