Mercurial > hg > isophonics-drupal-site
diff vendor/symfony/serializer/Encoder/JsonDecode.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/symfony/serializer/Encoder/JsonDecode.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,122 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Serializer\Encoder; + +use Symfony\Component\Serializer\Exception\UnexpectedValueException; + +/** + * Decodes JSON data. + * + * @author Sander Coolen <sander@jibber.nl> + */ +class JsonDecode implements DecoderInterface +{ + /** + * Specifies if the returned result should be an associative array or a nested stdClass object hierarchy. + * + * @var bool + */ + private $associative; + + /** + * Specifies the recursion depth. + * + * @var int + */ + private $recursionDepth; + + private $lastError = JSON_ERROR_NONE; + + protected $serializer; + + /** + * Constructs a new JsonDecode instance. + * + * @param bool $associative True to return the result associative array, false for a nested stdClass hierarchy + * @param int $depth Specifies the recursion depth + */ + public function __construct($associative = false, $depth = 512) + { + $this->associative = $associative; + $this->recursionDepth = (int) $depth; + } + + /** + * Decodes data. + * + * @param string $data The encoded JSON string to decode + * @param string $format Must be set to JsonEncoder::FORMAT + * @param array $context An optional set of options for the JSON decoder; see below + * + * The $context array is a simple key=>value array, with the following supported keys: + * + * json_decode_associative: boolean + * If true, returns the object as associative array. + * If false, returns the object as nested stdClass + * If not specified, this method will use the default set in JsonDecode::__construct + * + * json_decode_recursion_depth: integer + * Specifies the maximum recursion depth + * If not specified, this method will use the default set in JsonDecode::__construct + * + * json_decode_options: integer + * Specifies additional options as per documentation for json_decode. Only supported with PHP 5.4.0 and higher + * + * @return mixed + * + * @throws UnexpectedValueException + * + * @see http://php.net/json_decode json_decode + */ + public function decode($data, $format, array $context = array()) + { + $context = $this->resolveContext($context); + + $associative = $context['json_decode_associative']; + $recursionDepth = $context['json_decode_recursion_depth']; + $options = $context['json_decode_options']; + + $decodedData = json_decode($data, $associative, $recursionDepth, $options); + + if (JSON_ERROR_NONE !== $this->lastError = json_last_error()) { + throw new UnexpectedValueException(json_last_error_msg()); + } + + return $decodedData; + } + + /** + * {@inheritdoc} + */ + public function supportsDecoding($format) + { + return JsonEncoder::FORMAT === $format; + } + + /** + * Merges the default options of the Json Decoder with the passed context. + * + * @param array $context + * + * @return array + */ + private function resolveContext(array $context) + { + $defaultOptions = array( + 'json_decode_associative' => $this->associative, + 'json_decode_recursion_depth' => $this->recursionDepth, + 'json_decode_options' => 0, + ); + + return array_merge($defaultOptions, $context); + } +}