diff vendor/symfony/serializer/Serializer.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/serializer/Serializer.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,285 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Serializer;
+
+use Symfony\Component\Serializer\Encoder\ChainDecoder;
+use Symfony\Component\Serializer\Encoder\ChainEncoder;
+use Symfony\Component\Serializer\Encoder\EncoderInterface;
+use Symfony\Component\Serializer\Encoder\DecoderInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
+use Symfony\Component\Serializer\Exception\LogicException;
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/**
+ * Serializer serializes and deserializes data.
+ *
+ * objects are turned into arrays by normalizers.
+ * arrays are turned into various output formats by encoders.
+ *
+ * $serializer->serialize($obj, 'xml')
+ * $serializer->decode($data, 'xml')
+ * $serializer->denormalize($data, 'Class', 'xml')
+ *
+ * @author Jordi Boggiano <[e-mail]>
+ * @author Johannes M. Schmitt <[e-mail]>
+ * @author Lukas Kahwe Smith <[e-mail]>
+ * @author Kévin Dunglas <[e-mail]>
+ */
+class Serializer implements SerializerInterface, NormalizerInterface, DenormalizerInterface, EncoderInterface, DecoderInterface
+{
+    /**
+     * @var Encoder\ChainEncoder
+     */
+    protected $encoder;
+
+    /**
+     * @var Encoder\ChainDecoder
+     */
+    protected $decoder;
+
+    /**
+     * @var array
+     */
+    protected $normalizers = array();
+
+    /**
+     * @var array
+     *
+     * @deprecated since 3.1 will be removed in 4.0
+     */
+    protected $normalizerCache = array();
+
+    /**
+     * @var array
+     *
+     * @deprecated since 3.1 will be removed in 4.0
+     */
+    protected $denormalizerCache = array();
+
+    public function __construct(array $normalizers = array(), array $encoders = array())
+    {
+        foreach ($normalizers as $normalizer) {
+            if ($normalizer instanceof SerializerAwareInterface) {
+                $normalizer->setSerializer($this);
+            }
+
+            if ($normalizer instanceof DenormalizerAwareInterface) {
+                $normalizer->setDenormalizer($this);
+            }
+
+            if ($normalizer instanceof NormalizerAwareInterface) {
+                $normalizer->setNormalizer($this);
+            }
+        }
+        $this->normalizers = $normalizers;
+
+        $decoders = array();
+        $realEncoders = array();
+        foreach ($encoders as $encoder) {
+            if ($encoder instanceof SerializerAwareInterface) {
+                $encoder->setSerializer($this);
+            }
+            if ($encoder instanceof DecoderInterface) {
+                $decoders[] = $encoder;
+            }
+            if ($encoder instanceof EncoderInterface) {
+                $realEncoders[] = $encoder;
+            }
+        }
+        $this->encoder = new ChainEncoder($realEncoders);
+        $this->decoder = new ChainDecoder($decoders);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function serialize($data, $format, array $context = array())
+    {
+        if (!$this->supportsEncoding($format)) {
+            throw new UnexpectedValueException(sprintf('Serialization for the format %s is not supported', $format));
+        }
+
+        if ($this->encoder->needsNormalization($format)) {
+            $data = $this->normalize($data, $format, $context);
+        }
+
+        return $this->encode($data, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function deserialize($data, $type, $format, array $context = array())
+    {
+        if (!$this->supportsDecoding($format)) {
+            throw new UnexpectedValueException(sprintf('Deserialization for the format %s is not supported', $format));
+        }
+
+        $data = $this->decode($data, $format, $context);
+
+        return $this->denormalize($data, $type, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function normalize($data, $format = null, array $context = array())
+    {
+        // If a normalizer supports the given data, use it
+        if ($normalizer = $this->getNormalizer($data, $format)) {
+            return $normalizer->normalize($data, $format, $context);
+        }
+
+        if (null === $data || is_scalar($data)) {
+            return $data;
+        }
+
+        if (is_array($data) || $data instanceof \Traversable) {
+            $normalized = array();
+            foreach ($data as $key => $val) {
+                $normalized[$key] = $this->normalize($val, $format, $context);
+            }
+
+            return $normalized;
+        }
+
+        if (is_object($data)) {
+            if (!$this->normalizers) {
+                throw new LogicException('You must register at least one normalizer to be able to normalize objects.');
+            }
+
+            throw new UnexpectedValueException(sprintf('Could not normalize object of type %s, no supporting normalizer found.', get_class($data)));
+        }
+
+        throw new UnexpectedValueException(sprintf('An unexpected value could not be normalized: %s', var_export($data, true)));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function denormalize($data, $type, $format = null, array $context = array())
+    {
+        return $this->denormalizeObject($data, $type, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsNormalization($data, $format = null)
+    {
+        return null !== $this->getNormalizer($data, $format);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDenormalization($data, $type, $format = null)
+    {
+        return null !== $this->getDenormalizer($data, $type, $format);
+    }
+
+    /**
+     * Returns a matching normalizer.
+     *
+     * @param mixed  $data   Data to get the serializer for
+     * @param string $format format name, present to give the option to normalizers to act differently based on formats
+     *
+     * @return NormalizerInterface|null
+     */
+    private function getNormalizer($data, $format)
+    {
+        foreach ($this->normalizers as $normalizer) {
+            if ($normalizer instanceof NormalizerInterface && $normalizer->supportsNormalization($data, $format)) {
+                return $normalizer;
+            }
+        }
+    }
+
+    /**
+     * Returns a matching denormalizer.
+     *
+     * @param mixed  $data   data to restore
+     * @param string $class  the expected class to instantiate
+     * @param string $format format name, present to give the option to normalizers to act differently based on formats
+     *
+     * @return DenormalizerInterface|null
+     */
+    private function getDenormalizer($data, $class, $format)
+    {
+        foreach ($this->normalizers as $normalizer) {
+            if ($normalizer instanceof DenormalizerInterface && $normalizer->supportsDenormalization($data, $class, $format)) {
+                return $normalizer;
+            }
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function encode($data, $format, array $context = array())
+    {
+        return $this->encoder->encode($data, $format, $context);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function decode($data, $format, array $context = array())
+    {
+        return $this->decoder->decode($data, $format, $context);
+    }
+
+    /**
+     * Denormalizes data back into an object of the given class.
+     *
+     * @param mixed  $data    data to restore
+     * @param string $class   the expected class to instantiate
+     * @param string $format  format name, present to give the option to normalizers to act differently based on formats
+     * @param array  $context The context data for this particular denormalization
+     *
+     * @return object
+     *
+     * @throws LogicException
+     * @throws UnexpectedValueException
+     */
+    private function denormalizeObject($data, $class, $format, array $context = array())
+    {
+        if (!$this->normalizers) {
+            throw new LogicException('You must register at least one normalizer to be able to denormalize objects.');
+        }
+
+        if ($normalizer = $this->getDenormalizer($data, $class, $format)) {
+            return $normalizer->denormalize($data, $class, $format, $context);
+        }
+
+        throw new UnexpectedValueException(sprintf('Could not denormalize object of type %s, no supporting normalizer found.', $class));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return $this->encoder->supportsEncoding($format);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return $this->decoder->supportsDecoding($format);
+    }
+}