101 lines
3.1 KiB
PHP
101 lines
3.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Encoder;
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use Symfony\Component\Serializer\Exception\NotEncodableValueException;
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/**
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* Decodes JSON data.
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*
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* @author Sander Coolen <sander@jibber.nl>
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*/
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class JsonDecode implements DecoderInterface
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{
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protected $serializer;
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/**
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* True to return the result as an associative array, false for a nested stdClass hierarchy.
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*/
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public const ASSOCIATIVE = 'json_decode_associative';
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public const OPTIONS = 'json_decode_options';
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/**
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* Specifies the recursion depth.
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*/
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public const RECURSION_DEPTH = 'json_decode_recursion_depth';
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private $defaultContext = [
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self::ASSOCIATIVE => false,
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self::OPTIONS => 0,
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self::RECURSION_DEPTH => 512,
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];
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public function __construct(array $defaultContext = [])
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{
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$this->defaultContext = array_merge($this->defaultContext, $defaultContext);
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}
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/**
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* Decodes data.
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*
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* @param string $data The encoded JSON string to decode
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* @param string $format Must be set to JsonEncoder::FORMAT
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* @param array $context An optional set of options for the JSON decoder; see below
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*
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* The $context array is a simple key=>value array, with the following supported keys:
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*
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* json_decode_associative: boolean
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* If true, returns the object as an associative array.
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* If false, returns the object as nested stdClass
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* If not specified, this method will use the default set in JsonDecode::__construct
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*
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* json_decode_recursion_depth: integer
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* Specifies the maximum recursion depth
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* If not specified, this method will use the default set in JsonDecode::__construct
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*
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* json_decode_options: integer
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* Specifies additional options as per documentation for json_decode
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*
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* @throws NotEncodableValueException
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*
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* @see https://php.net/json_decode
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*/
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public function decode(string $data, string $format, array $context = []): mixed
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{
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$associative = $context[self::ASSOCIATIVE] ?? $this->defaultContext[self::ASSOCIATIVE];
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$recursionDepth = $context[self::RECURSION_DEPTH] ?? $this->defaultContext[self::RECURSION_DEPTH];
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$options = $context[self::OPTIONS] ?? $this->defaultContext[self::OPTIONS];
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try {
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$decodedData = json_decode($data, $associative, $recursionDepth, $options);
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} catch (\JsonException $e) {
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throw new NotEncodableValueException($e->getMessage(), 0, $e);
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}
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if (\JSON_THROW_ON_ERROR & $options) {
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return $decodedData;
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}
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if (\JSON_ERROR_NONE !== json_last_error()) {
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throw new NotEncodableValueException(json_last_error_msg());
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}
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return $decodedData;
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}
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public function supportsDecoding(string $format): bool
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{
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return JsonEncoder::FORMAT === $format;
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}
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}
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