86 lines
2.3 KiB
PHP
86 lines
2.3 KiB
PHP
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<?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\RuntimeException;
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use Symfony\Component\Yaml\Dumper;
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use Symfony\Component\Yaml\Parser;
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use Symfony\Component\Yaml\Yaml;
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/**
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* Encodes YAML data.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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class YamlEncoder implements EncoderInterface, DecoderInterface
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{
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public const FORMAT = 'yaml';
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private const ALTERNATIVE_FORMAT = 'yml';
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public const PRESERVE_EMPTY_OBJECTS = 'preserve_empty_objects';
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private $dumper;
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private $parser;
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private $defaultContext = ['yaml_inline' => 0, 'yaml_indent' => 0, 'yaml_flags' => 0];
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public function __construct(Dumper $dumper = null, Parser $parser = null, array $defaultContext = [])
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{
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if (!class_exists(Dumper::class)) {
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throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
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}
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$this->dumper = $dumper ?? new Dumper();
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$this->parser = $parser ?? new Parser();
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$this->defaultContext = array_merge($this->defaultContext, $defaultContext);
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}
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/**
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* {@inheritdoc}
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*/
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public function encode($data, $format, array $context = [])
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{
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$context = array_merge($this->defaultContext, $context);
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if (isset($context[self::PRESERVE_EMPTY_OBJECTS])) {
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$context['yaml_flags'] |= Yaml::DUMP_OBJECT_AS_MAP;
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}
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return $this->dumper->dump($data, $context['yaml_inline'], $context['yaml_indent'], $context['yaml_flags']);
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}
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/**
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* {@inheritdoc}
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*/
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public function supportsEncoding($format)
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{
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return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
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}
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/**
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* {@inheritdoc}
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*/
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public function decode($data, $format, array $context = [])
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{
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$context = array_merge($this->defaultContext, $context);
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return $this->parser->parse($data, $context['yaml_flags']);
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}
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/**
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* {@inheritdoc}
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*/
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public function supportsDecoding($format)
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{
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return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
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}
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}
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