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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\Serializer\Encoder;
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13
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14 use Symfony\Component\Serializer\Exception\RuntimeException;
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15 use Symfony\Component\Yaml\Dumper;
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16 use Symfony\Component\Yaml\Parser;
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17
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18 /**
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19 * Encodes YAML data.
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20 *
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21 * @author Kévin Dunglas <dunglas@gmail.com>
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22 */
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23 class YamlEncoder implements EncoderInterface, DecoderInterface
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24 {
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25 const FORMAT = 'yaml';
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26
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27 private $dumper;
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28 private $parser;
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29 private $defaultContext = ['yaml_inline' => 0, 'yaml_indent' => 0, 'yaml_flags' => 0];
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30
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31 public function __construct(Dumper $dumper = null, Parser $parser = null, array $defaultContext = [])
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32 {
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33 if (!class_exists(Dumper::class)) {
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34 throw new RuntimeException('The YamlEncoder class requires the "Yaml" component. Install "symfony/yaml" to use it.');
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35 }
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36
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37 $this->dumper = $dumper ?: new Dumper();
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38 $this->parser = $parser ?: new Parser();
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39 $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
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40 }
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41
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42 /**
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43 * {@inheritdoc}
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44 */
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45 public function encode($data, $format, array $context = [])
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46 {
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47 $context = array_merge($this->defaultContext, $context);
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48
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49 return $this->dumper->dump($data, $context['yaml_inline'], $context['yaml_indent'], $context['yaml_flags']);
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50 }
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51
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52 /**
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53 * {@inheritdoc}
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54 */
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55 public function supportsEncoding($format)
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56 {
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57 return self::FORMAT === $format;
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58 }
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59
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60 /**
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61 * {@inheritdoc}
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62 */
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63 public function decode($data, $format, array $context = [])
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64 {
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65 $context = array_merge($this->defaultContext, $context);
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66
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67 return $this->parser->parse($data, $context['yaml_flags']);
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68 }
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69
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70 /**
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71 * {@inheritdoc}
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72 */
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73 public function supportsDecoding($format)
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74 {
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75 return self::FORMAT === $format;
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76 }
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77 }
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