Dumper.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\Cloner\Cursor;
use Symfony\Component\VarDumper\Dumper\CliDumper;
/**
* A PsySH-specialized CliDumper.
*/
class Dumper extends CliDumper
{
private $formatter;
private $forceArrayIndexes;
private const ONLY_CONTROL_CHARS = '/^[\x00-\x1F\x7F]+$/';
private const CONTROL_CHARS = '/([\x00-\x1F\x7F]+)/';
private const CONTROL_CHARS_MAP = [
"\0" => '\0',
"\t" => '\t',
"\n" => '\n',
"\v" => '\v',
"\f" => '\f',
"\r" => '\r',
"\033" => '\e',
];
public function __construct(OutputFormatter $formatter, $forceArrayIndexes = false)
{
$this->formatter = $formatter;
$this->forceArrayIndexes = $forceArrayIndexes;
parent::__construct();
$this->setColors(false);
}
/**
* {@inheritdoc}
*/
public function enterHash(Cursor $cursor, $type, $class, $hasChild): void
{
if (Cursor::HASH_INDEXED === $type || Cursor::HASH_ASSOC === $type) {
$class = 0;
}
parent::enterHash($cursor, $type, $class, $hasChild);
}
/**
* {@inheritdoc}
*/
protected function dumpKey(Cursor $cursor): void
{
if ($this->forceArrayIndexes || Cursor::HASH_INDEXED !== $cursor->hashType) {
parent::dumpKey($cursor);
}
}
protected function style($style, $value, $attr = []): string
{
if ('ref' === $style) {
$value = \strtr($value, '@', '#');
}
$styled = '';
$cchr = $this->styles['cchr'];
$chunks = \preg_split(self::CONTROL_CHARS, $value, -1, \PREG_SPLIT_NO_EMPTY | \PREG_SPLIT_DELIM_CAPTURE);
foreach ($chunks as $chunk) {
if (\preg_match(self::ONLY_CONTROL_CHARS, $chunk)) {
$chars = '';
$i = 0;
do {
$chars .= isset(self::CONTROL_CHARS_MAP[$chunk[$i]]) ? self::CONTROL_CHARS_MAP[$chunk[$i]] : \sprintf('\x%02X', \ord($chunk[$i]));
} while (isset($chunk[++$i]));
$chars = $this->formatter->escape($chars);
$styled .= "<{$cchr}>{$chars}</{$cchr}>";
} else {
$styled .= $this->formatter->escape($chunk);
}
}
$style = $this->styles[$style];
return "<{$style}>{$styled}</{$style}>";
}
/**
* {@inheritdoc}
*/
protected function dumpLine($depth, $endOfValue = false): void
{
if ($endOfValue && 0 < $depth) {
$this->line .= ',';
}
$this->line = $this->formatter->format($this->line);
parent::dumpLine($depth, $endOfValue);
}
}