default services conflit ?

old.vendor/symfony/serializer/Encoder/YamlEncoder.php

@@ -0,0 +1,85 @@
+<?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\RuntimeException;
+use Symfony\Component\Yaml\Dumper;
+use Symfony\Component\Yaml\Parser;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * Encodes YAML data.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class YamlEncoder implements EncoderInterface, DecoderInterface
+{
+    public const FORMAT = 'yaml';
+    private const ALTERNATIVE_FORMAT = 'yml';
+
+    public const PRESERVE_EMPTY_OBJECTS = 'preserve_empty_objects';
+
+    private $dumper;
+    private $parser;
+    private $defaultContext = ['yaml_inline' => 0, 'yaml_indent' => 0, 'yaml_flags' => 0];
+
+    public function __construct(Dumper $dumper = null, Parser $parser = null, array $defaultContext = [])
+    {
+        if (!class_exists(Dumper::class)) {
+            throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
+        }
+
+        $this->dumper = $dumper ?? new Dumper();
+        $this->parser = $parser ?? new Parser();
+        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode($data, $format, array $context = [])
+    {
+        $context = array_merge($this->defaultContext, $context);
+
+        if (isset($context[self::PRESERVE_EMPTY_OBJECTS])) {
+            $context['yaml_flags'] |= Yaml::DUMP_OBJECT_AS_MAP;
+        }
+
+        return $this->dumper->dump($data, $context['yaml_inline'], $context['yaml_indent'], $context['yaml_flags']);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function decode($data, $format, array $context = [])
+    {
+        $context = array_merge($this->defaultContext, $context);
+
+        return $this->parser->parse($data, $context['yaml_flags']);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return self::FORMAT === $format || self::ALTERNATIVE_FORMAT === $format;
+    }
+}