Viewing file:  Presenter.php (3.23 KB) -rw-r--r--
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2015 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;
private $dumper;
private $exceptionsImportants = array(
"\0*\0message",
"\0*\0code",
"\0*\0file",
"\0*\0line",
"\0Exception\0previous",
);
private $styles = array(
'num' => 'number',
'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)
{
$this->dumper = new Dumper($formatter);
$this->dumper->setStyles($this->styles);
$this->cloner = new Cloner();
$this->cloner->addCasters(array('*' => function ($obj, array $a, Stub $stub, $isNested, $filter = 0) {
if ($filter || $isNested) {
if ($obj instanceof \Exception) {
$a = Caster::filter($a, Caster::EXCLUDE_NOT_IMPORTANT | Caster::EXCLUDE_EMPTY, $this->exceptionsImportants);
} 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 $value
*
* @return string
*/
public function presentRef($value)
{
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 $options One of Presenter constants
*
* @return string
*/
public function present($value, $depth = null, $options = 0)
{
$data = $this->cloner->cloneVar($value, !($options & self::VERBOSE) ? Caster::EXCLUDE_VERBOSE : 0);
if (null !== $depth) {
$data = $data->withMaxDepth($depth);
}
$output = '';
$this->dumper->dump($data, function ($line, $depth) use (&$output) {
if ($depth >= 0) {
if ('' !== $output) {
$output .= PHP_EOL;
}
$output .= str_repeat(' ', $depth) . $line;
}
});
return OutputFormatter::escape($output);
}
}
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