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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\DependencyInjection\Loader;
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13
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14 use Symfony\Component\Config\Util\XmlUtils;
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15 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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16
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17 /**
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18 * IniFileLoader loads parameters from INI files.
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19 *
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20 * @author Fabien Potencier <fabien@symfony.com>
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21 */
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22 class IniFileLoader extends FileLoader
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23 {
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24 /**
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25 * {@inheritdoc}
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26 */
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27 public function load($resource, $type = null)
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28 {
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29 $path = $this->locator->locate($resource);
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30
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31 $this->container->fileExists($path);
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32
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33 // first pass to catch parsing errors
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34 $result = parse_ini_file($path, true);
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35 if (false === $result || [] === $result) {
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36 throw new InvalidArgumentException(sprintf('The "%s" file is not valid.', $resource));
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37 }
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38
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39 // real raw parsing
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40 $result = parse_ini_file($path, true, INI_SCANNER_RAW);
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41
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42 if (isset($result['parameters']) && \is_array($result['parameters'])) {
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43 foreach ($result['parameters'] as $key => $value) {
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44 $this->container->setParameter($key, $this->phpize($value));
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45 }
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46 }
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47 }
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48
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49 /**
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50 * {@inheritdoc}
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51 */
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52 public function supports($resource, $type = null)
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53 {
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54 if (!\is_string($resource)) {
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55 return false;
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56 }
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57
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58 if (null === $type && 'ini' === pathinfo($resource, PATHINFO_EXTENSION)) {
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59 return true;
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60 }
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61
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62 return 'ini' === $type;
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63 }
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64
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65 /**
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66 * Note that the following features are not supported:
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67 * * strings with escaped quotes are not supported "foo\"bar";
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68 * * string concatenation ("foo" "bar").
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69 */
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70 private function phpize($value)
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71 {
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72 // trim on the right as comments removal keep whitespaces
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73 if ($value !== $v = rtrim($value)) {
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74 $value = '""' === substr_replace($v, '', 1, -1) ? substr($v, 1, -1) : $v;
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75 }
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76 $lowercaseValue = strtolower($value);
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77
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78 switch (true) {
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79 case \defined($value):
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80 return \constant($value);
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81 case 'yes' === $lowercaseValue || 'on' === $lowercaseValue:
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82 return true;
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83 case 'no' === $lowercaseValue || 'off' === $lowercaseValue || 'none' === $lowercaseValue:
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84 return false;
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85 case isset($value[1]) && (
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86 ("'" === $value[0] && "'" === $value[\strlen($value) - 1]) ||
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87 ('"' === $value[0] && '"' === $value[\strlen($value) - 1])
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88 ):
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89 // quoted string
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90 return substr($value, 1, -1);
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91 default:
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92 return XmlUtils::phpize($value);
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93 }
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94 }
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95 }
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