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Presenter.php
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Presenter.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\VarDumper;
use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Cloner\Stub;
/**
* A Presenter service.
*/
class Presenter
{
const VERBOSE = 1;
private Cloner $cloner;
private Dumper $dumper;
private const IMPORTANT_EXCEPTIONS = [
"\0*\0message",
"\0*\0code",
"\0*\0file",
"\0*\0line",
"\0Exception\0previous",
];
private const STYLES = [
'num' => 'number',
'integer' => 'integer',
'float' => 'float',
'const' => 'const',
'str' => 'string',
'cchr' => 'default',
'note' => 'class',
'ref' => 'default',
'public' => 'public',
'protected' => 'protected',
'private' => 'private',
'meta' => 'comment',
'key' => 'comment',
'index' => 'number',
];
public function __construct(OutputFormatter $formatter, $forceArrayIndexes = false)
{
// Work around https://github.com/symfony/symfony/issues/23572
$oldLocale = \setlocale(\LC_NUMERIC, 0);
\setlocale(\LC_NUMERIC, 'C');
$this->dumper = new Dumper($formatter, $forceArrayIndexes);
$this->dumper->setStyles(self::STYLES);
// Now put the locale back
\setlocale(\LC_NUMERIC, $oldLocale);
$this->cloner = new Cloner();
$this->cloner->addCasters(['*' => function ($obj, array $a, Stub $stub, $isNested, $filter = 0) {
if ($filter || $isNested) {
if ($obj instanceof \Throwable) {
$a = Caster::filter($a, Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_EMPTY, self::IMPORTANT_EXCEPTIONS);
} else {
$a = Caster::filter($a, Caster::EXCLUDE_PROTECTED | Caster::EXCLUDE_PRIVATE);
}
}
return $a;
}]);
}
/**
* Register casters.
*
* @see http://symfony.com/doc/current/components/var_dumper/advanced.html#casters
*
* @param callable[] $casters A map of casters
*/
public function addCasters(array $casters)
{
$this->cloner->addCasters($casters);
}
/**
* Present a reference to the value.
*
* @param mixed $value
*/
public function presentRef($value): string
{
return $this->present($value, 0);
}
/**
* Present a full representation of the value.
*
* If $depth is 0, the value will be presented as a ref instead.
*
* @param mixed $value
* @param int $depth (default: null)
* @param int $options One of Presenter constants
*/
public function present($value, ?int $depth = null, int $options = 0): string
{
$data = $this->cloner->cloneVar($value, !($options & self::VERBOSE) ? Caster::EXCLUDE_VERBOSE : 0);
if (null !== $depth) {
$data = $data->withMaxDepth($depth);
}
// Work around https://github.com/symfony/symfony/issues/23572
$oldLocale = \setlocale(\LC_NUMERIC, 0);
\setlocale(\LC_NUMERIC, 'C');
$output = '';
$this->dumper->dump($data, function ($line, $depth) use (&$output) {
if ($depth >= 0) {
if ('' !== $output) {
$output .= \PHP_EOL;
}
$output .= \str_repeat(' ', $depth).$line;
}
});
// Now put the locale back
\setlocale(\LC_NUMERIC, $oldLocale);
return OutputFormatter::escape($output);
}
}

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Sat, May 16, 21:24 (1 d, 11 h)
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Presenter.php (3 KB)

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