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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare (strict_types=1);
namespace RectorPrefix202304\Nette\Neon;
/**
* Converts value to NEON format.
* @internal
*/
final class Encoder
{
/** @deprecated */
public const BLOCK = \true;
/**
* @var bool
*/
public $blockMode = \false;
/**
* @var string
*/
public $indentation = "\t";
/**
* Returns the NEON representation of a value.
* @param mixed $val
*/
public function encode($val) : string
{
$node = $this->valueToNode($val, $this->blockMode);
return $node->toString();
}
/**
* @param mixed $val
*/
public function valueToNode($val, bool $blockMode = \false) : Node
{
if ($val instanceof \DateTimeInterface) {
return new Node\LiteralNode($val);
} elseif ($val instanceof Entity && $val->value === Neon::Chain) {
$node = new Node\EntityChainNode();
foreach ($val->attributes as $entity) {
$node->chain[] = $this->valueToNode($entity);
}
return $node;
} elseif ($val instanceof Entity) {
return new Node\EntityNode($this->valueToNode($val->value), $this->arrayToNodes($val->attributes));
} elseif (\is_object($val) || \is_array($val)) {
if ($blockMode) {
$node = new Node\BlockArrayNode();
} else {
$isList = \is_array($val) && (!$val || \array_keys($val) === \range(0, \count($val) - 1));
$node = new Node\InlineArrayNode($isList ? '[' : '{');
}
$node->items = $this->arrayToNodes($val, $blockMode);
return $node;
} elseif (\is_string($val) && Lexer::requiresDelimiters($val)) {
return new Node\StringNode($val);
} else {
return new Node\LiteralNode($val);
}
}
/** @return Node\ArrayItemNode[]
* @param mixed $val */
private function arrayToNodes($val, bool $blockMode = \false) : array
{
$res = [];
$counter = 0;
$hide = \true;
foreach ($val as $k => $v) {
$res[] = $item = new Node\ArrayItemNode();
$item->key = $hide && $k === $counter ? null : self::valueToNode($k);
$item->value = self::valueToNode($v, $blockMode);
if ($item->value instanceof Node\BlockArrayNode) {
$item->value->indentation = $this->indentation;
}
if ($hide && \is_int($k)) {
$hide = $k === $counter;
$counter = \max($k + 1, $counter);
}
}
return $res;
}
}