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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\DependencyInjection\Compiler;
  13  
  14  use Symfony\Component\DependencyInjection\Definition;
  15  use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
  16  use Symfony\Component\DependencyInjection\LazyProxy\ProxyHelper;
  17  use Symfony\Component\DependencyInjection\Reference;
  18  
  19  /**
  20   * Resolves named arguments to their corresponding numeric index.
  21   *
  22   * @author Kévin Dunglas <dunglas@gmail.com>
  23   */
  24  class ResolveNamedArgumentsPass extends AbstractRecursivePass
  25  {
  26      /**
  27       * {@inheritdoc}
  28       */
  29      protected function processValue($value, $isRoot = false)
  30      {
  31          if (!$value instanceof Definition) {
  32              return parent::processValue($value, $isRoot);
  33          }
  34  
  35          $calls = $value->getMethodCalls();
  36          $calls[] = ['__construct', $value->getArguments()];
  37  
  38          foreach ($calls as $i => $call) {
  39              list($method, $arguments) = $call;
  40              $parameters = null;
  41              $resolvedArguments = [];
  42  
  43              foreach ($arguments as $key => $argument) {
  44                  if (\is_int($key)) {
  45                      $resolvedArguments[$key] = $argument;
  46                      continue;
  47                  }
  48  
  49                  if (null === $parameters) {
  50                      $r = $this->getReflectionMethod($value, $method);
  51                      $class = $r instanceof \ReflectionMethod ? $r->class : $this->currentId;
  52                      $method = $r->getName();
  53                      $parameters = $r->getParameters();
  54                  }
  55  
  56                  if (isset($key[0]) && '$' === $key[0]) {
  57                      foreach ($parameters as $j => $p) {
  58                          if ($key === '$'.$p->name) {
  59                              $resolvedArguments[$j] = $argument;
  60  
  61                              continue 2;
  62                          }
  63                      }
  64  
  65                      throw new InvalidArgumentException(sprintf('Invalid service "%s": method "%s()" has no argument named "%s". Check your service definition.', $this->currentId, $class !== $this->currentId ? $class.'::'.$method : $method, $key));
  66                  }
  67  
  68                  if (null !== $argument && !$argument instanceof Reference && !$argument instanceof Definition) {
  69                      throw new InvalidArgumentException(sprintf('Invalid service "%s": the value of argument "%s" of method "%s()" must be null, an instance of "%s" or an instance of "%s", "%s" given.', $this->currentId, $key, $class !== $this->currentId ? $class.'::'.$method : $method, Reference::class, Definition::class, \gettype($argument)));
  70                  }
  71  
  72                  $typeFound = false;
  73                  foreach ($parameters as $j => $p) {
  74                      if (!\array_key_exists($j, $resolvedArguments) && ProxyHelper::getTypeHint($r, $p, true) === $key) {
  75                          $resolvedArguments[$j] = $argument;
  76                          $typeFound = true;
  77                      }
  78                  }
  79  
  80                  if (!$typeFound) {
  81                      throw new InvalidArgumentException(sprintf('Invalid service "%s": method "%s()" has no argument type-hinted as "%s". Check your service definition.', $this->currentId, $class !== $this->currentId ? $class.'::'.$method : $method, $key));
  82                  }
  83              }
  84  
  85              if ($resolvedArguments !== $call[1]) {
  86                  ksort($resolvedArguments);
  87                  $calls[$i][1] = $resolvedArguments;
  88              }
  89          }
  90  
  91          list(, $arguments) = array_pop($calls);
  92  
  93          if ($arguments !== $value->getArguments()) {
  94              $value->setArguments($arguments);
  95          }
  96          if ($calls !== $value->getMethodCalls()) {
  97              $value->setMethodCalls($calls);
  98          }
  99  
 100          return parent::processValue($value, $isRoot);
 101      }
 102  }