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/vendor/symfony/dependency-injection/Dumper/ -> YamlDumper.php (source)

   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\Dumper;
  13  
  14  use Symfony\Component\DependencyInjection\Alias;
  15  use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
  16  use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
  17  use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
  18  use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
  19  use Symfony\Component\DependencyInjection\ContainerInterface;
  20  use Symfony\Component\DependencyInjection\Definition;
  21  use Symfony\Component\DependencyInjection\Exception\RuntimeException;
  22  use Symfony\Component\DependencyInjection\Parameter;
  23  use Symfony\Component\DependencyInjection\Reference;
  24  use Symfony\Component\ExpressionLanguage\Expression;
  25  use Symfony\Component\Yaml\Dumper as YmlDumper;
  26  use Symfony\Component\Yaml\Parser;
  27  use Symfony\Component\Yaml\Tag\TaggedValue;
  28  use Symfony\Component\Yaml\Yaml;
  29  
  30  /**
  31   * YamlDumper dumps a service container as a YAML string.
  32   *
  33   * @author Fabien Potencier <fabien@symfony.com>
  34   */
  35  class YamlDumper extends Dumper
  36  {
  37      private $dumper;
  38  
  39      /**
  40       * Dumps the service container as an YAML string.
  41       *
  42       * @return string A YAML string representing of the service container
  43       */
  44      public function dump(array $options = [])
  45      {
  46          if (!class_exists('Symfony\Component\Yaml\Dumper')) {
  47              throw new RuntimeException('Unable to dump the container as the Symfony Yaml Component is not installed.');
  48          }
  49  
  50          if (null === $this->dumper) {
  51              $this->dumper = new YmlDumper();
  52          }
  53  
  54          return $this->container->resolveEnvPlaceholders($this->addParameters()."\n".$this->addServices());
  55      }
  56  
  57      /**
  58       * Adds a service.
  59       *
  60       * @param string $id
  61       *
  62       * @return string
  63       */
  64      private function addService($id, Definition $definition)
  65      {
  66          $code = "    $id:\n";
  67          if ($class = $definition->getClass()) {
  68              if ('\\' === substr($class, 0, 1)) {
  69                  $class = substr($class, 1);
  70              }
  71  
  72              $code .= sprintf("        class: %s\n", $this->dumper->dump($class));
  73          }
  74  
  75          if (!$definition->isPrivate()) {
  76              $code .= sprintf("        public: %s\n", $definition->isPublic() ? 'true' : 'false');
  77          }
  78  
  79          $tagsCode = '';
  80          foreach ($definition->getTags() as $name => $tags) {
  81              foreach ($tags as $attributes) {
  82                  $att = [];
  83                  foreach ($attributes as $key => $value) {
  84                      $att[] = sprintf('%s: %s', $this->dumper->dump($key), $this->dumper->dump($value));
  85                  }
  86                  $att = $att ? ', '.implode(', ', $att) : '';
  87  
  88                  $tagsCode .= sprintf("            - { name: %s%s }\n", $this->dumper->dump($name), $att);
  89              }
  90          }
  91          if ($tagsCode) {
  92              $code .= "        tags:\n".$tagsCode;
  93          }
  94  
  95          if ($definition->getFile()) {
  96              $code .= sprintf("        file: %s\n", $this->dumper->dump($definition->getFile()));
  97          }
  98  
  99          if ($definition->isSynthetic()) {
 100              $code .= "        synthetic: true\n";
 101          }
 102  
 103          if ($definition->isDeprecated()) {
 104              $code .= sprintf("        deprecated: %s\n", $this->dumper->dump($definition->getDeprecationMessage('%service_id%')));
 105          }
 106  
 107          if ($definition->isAutowired()) {
 108              $code .= "        autowire: true\n";
 109          }
 110  
 111          $autowiringTypesCode = '';
 112          foreach ($definition->getAutowiringTypes(false) as $autowiringType) {
 113              $autowiringTypesCode .= sprintf("            - %s\n", $this->dumper->dump($autowiringType));
 114          }
 115          if ($autowiringTypesCode) {
 116              $code .= sprintf("        autowiring_types:\n%s", $autowiringTypesCode);
 117          }
 118  
 119          if ($definition->isAutoconfigured()) {
 120              $code .= "        autoconfigure: true\n";
 121          }
 122  
 123          if ($definition->isAbstract()) {
 124              $code .= "        abstract: true\n";
 125          }
 126  
 127          if ($definition->isLazy()) {
 128              $code .= "        lazy: true\n";
 129          }
 130  
 131          if ($definition->getArguments()) {
 132              $code .= sprintf("        arguments: %s\n", $this->dumper->dump($this->dumpValue($definition->getArguments()), 0));
 133          }
 134  
 135          if ($definition->getProperties()) {
 136              $code .= sprintf("        properties: %s\n", $this->dumper->dump($this->dumpValue($definition->getProperties()), 0));
 137          }
 138  
 139          if ($definition->getMethodCalls()) {
 140              $code .= sprintf("        calls:\n%s\n", $this->dumper->dump($this->dumpValue($definition->getMethodCalls()), 1, 12));
 141          }
 142  
 143          if (!$definition->isShared()) {
 144              $code .= "        shared: false\n";
 145          }
 146  
 147          if (null !== $decorated = $definition->getDecoratedService()) {
 148              list($decorated, $renamedId, $priority) = $decorated;
 149              $code .= sprintf("        decorates: %s\n", $decorated);
 150              if (null !== $renamedId) {
 151                  $code .= sprintf("        decoration_inner_name: %s\n", $renamedId);
 152              }
 153              if (0 !== $priority) {
 154                  $code .= sprintf("        decoration_priority: %s\n", $priority);
 155              }
 156          }
 157  
 158          if ($callable = $definition->getFactory()) {
 159              $code .= sprintf("        factory: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
 160          }
 161  
 162          if ($callable = $definition->getConfigurator()) {
 163              $code .= sprintf("        configurator: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
 164          }
 165  
 166          return $code;
 167      }
 168  
 169      /**
 170       * Adds a service alias.
 171       *
 172       * @param string $alias
 173       *
 174       * @return string
 175       */
 176      private function addServiceAlias($alias, Alias $id)
 177      {
 178          if ($id->isPrivate()) {
 179              return sprintf("    %s: '@%s'\n", $alias, $id);
 180          }
 181  
 182          return sprintf("    %s:\n        alias: %s\n        public: %s\n", $alias, $id, $id->isPublic() ? 'true' : 'false');
 183      }
 184  
 185      /**
 186       * Adds services.
 187       *
 188       * @return string
 189       */
 190      private function addServices()
 191      {
 192          if (!$this->container->getDefinitions()) {
 193              return '';
 194          }
 195  
 196          $code = "services:\n";
 197          foreach ($this->container->getDefinitions() as $id => $definition) {
 198              $code .= $this->addService($id, $definition);
 199          }
 200  
 201          $aliases = $this->container->getAliases();
 202          foreach ($aliases as $alias => $id) {
 203              while (isset($aliases[(string) $id])) {
 204                  $id = $aliases[(string) $id];
 205              }
 206              $code .= $this->addServiceAlias($alias, $id);
 207          }
 208  
 209          return $code;
 210      }
 211  
 212      /**
 213       * Adds parameters.
 214       *
 215       * @return string
 216       */
 217      private function addParameters()
 218      {
 219          if (!$this->container->getParameterBag()->all()) {
 220              return '';
 221          }
 222  
 223          $parameters = $this->prepareParameters($this->container->getParameterBag()->all(), $this->container->isCompiled());
 224  
 225          return $this->dumper->dump(['parameters' => $parameters], 2);
 226      }
 227  
 228      /**
 229       * Dumps callable to YAML format.
 230       *
 231       * @param mixed $callable
 232       */
 233      private function dumpCallable($callable)
 234      {
 235          if (\is_array($callable)) {
 236              if ($callable[0] instanceof Reference) {
 237                  $callable = [$this->getServiceCall((string) $callable[0], $callable[0]), $callable[1]];
 238              } else {
 239                  $callable = [$callable[0], $callable[1]];
 240              }
 241          }
 242  
 243          return $callable;
 244      }
 245  
 246      /**
 247       * Dumps the value to YAML format.
 248       *
 249       * @param mixed $value
 250       *
 251       * @return mixed
 252       *
 253       * @throws RuntimeException When trying to dump object or resource
 254       */
 255      private function dumpValue($value)
 256      {
 257          if ($value instanceof ServiceClosureArgument) {
 258              $value = $value->getValues()[0];
 259          }
 260          if ($value instanceof ArgumentInterface) {
 261              if ($value instanceof TaggedIteratorArgument) {
 262                  return new TaggedValue('tagged', $value->getTag());
 263              }
 264              if ($value instanceof IteratorArgument) {
 265                  $tag = 'iterator';
 266              } else {
 267                  throw new RuntimeException(sprintf('Unspecified Yaml tag for type "%s".', \get_class($value)));
 268              }
 269  
 270              return new TaggedValue($tag, $this->dumpValue($value->getValues()));
 271          }
 272  
 273          if (\is_array($value)) {
 274              $code = [];
 275              foreach ($value as $k => $v) {
 276                  $code[$k] = $this->dumpValue($v);
 277              }
 278  
 279              return $code;
 280          } elseif ($value instanceof Reference) {
 281              return $this->getServiceCall((string) $value, $value);
 282          } elseif ($value instanceof Parameter) {
 283              return $this->getParameterCall((string) $value);
 284          } elseif ($value instanceof Expression) {
 285              return $this->getExpressionCall((string) $value);
 286          } elseif ($value instanceof Definition) {
 287              return new TaggedValue('service', (new Parser())->parse("_:\n".$this->addService('_', $value), Yaml::PARSE_CUSTOM_TAGS)['_']['_']);
 288          } elseif (\is_object($value) || \is_resource($value)) {
 289              throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
 290          }
 291  
 292          return $value;
 293      }
 294  
 295      /**
 296       * Gets the service call.
 297       *
 298       * @param string    $id
 299       * @param Reference $reference
 300       *
 301       * @return string
 302       */
 303      private function getServiceCall($id, Reference $reference = null)
 304      {
 305          if (null !== $reference) {
 306              switch ($reference->getInvalidBehavior()) {
 307                  case ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE: break;
 308                  case ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE: return sprintf('@!%s', $id);
 309                  default: return sprintf('@?%s', $id);
 310              }
 311          }
 312  
 313          return sprintf('@%s', $id);
 314      }
 315  
 316      /**
 317       * Gets parameter call.
 318       *
 319       * @param string $id
 320       *
 321       * @return string
 322       */
 323      private function getParameterCall($id)
 324      {
 325          return sprintf('%%%s%%', $id);
 326      }
 327  
 328      private function getExpressionCall($expression)
 329      {
 330          return sprintf('@=%s', $expression);
 331      }
 332  
 333      /**
 334       * Prepares parameters.
 335       *
 336       * @param bool $escape
 337       *
 338       * @return array
 339       */
 340      private function prepareParameters(array $parameters, $escape = true)
 341      {
 342          $filtered = [];
 343          foreach ($parameters as $key => $value) {
 344              if (\is_array($value)) {
 345                  $value = $this->prepareParameters($value, $escape);
 346              } elseif ($value instanceof Reference || \is_string($value) && 0 === strpos($value, '@')) {
 347                  $value = '@'.$value;
 348              }
 349  
 350              $filtered[$key] = $value;
 351          }
 352  
 353          return $escape ? $this->escape($filtered) : $filtered;
 354      }
 355  
 356      /**
 357       * Escapes arguments.
 358       *
 359       * @return array
 360       */
 361      private function escape(array $arguments)
 362      {
 363          $args = [];
 364          foreach ($arguments as $k => $v) {
 365              if (\is_array($v)) {
 366                  $args[$k] = $this->escape($v);
 367              } elseif (\is_string($v)) {
 368                  $args[$k] = str_replace('%', '%%', $v);
 369              } else {
 370                  $args[$k] = $v;
 371              }
 372          }
 373  
 374          return $args;
 375      }
 376  }


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