X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Fsymfony%2Fdependency-injection%2FLoader%2FYamlFileLoader.php;fp=vendor%2Fsymfony%2Fdependency-injection%2FLoader%2FYamlFileLoader.php;h=b527dec4fc13e7d37c2b78864965ce6dff872822;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php b/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php new file mode 100644 index 000000000..b527dec4f --- /dev/null +++ b/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php @@ -0,0 +1,471 @@ + + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\DependencyInjection\Loader; + +use Symfony\Component\DependencyInjection\DefinitionDecorator; +use Symfony\Component\DependencyInjection\Alias; +use Symfony\Component\DependencyInjection\ContainerInterface; +use Symfony\Component\DependencyInjection\Definition; +use Symfony\Component\DependencyInjection\Reference; +use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; +use Symfony\Component\DependencyInjection\Exception\RuntimeException; +use Symfony\Component\Config\Resource\FileResource; +use Symfony\Component\Yaml\Exception\ParseException; +use Symfony\Component\Yaml\Parser as YamlParser; +use Symfony\Component\ExpressionLanguage\Expression; + +/** + * YamlFileLoader loads YAML files service definitions. + * + * The YAML format does not support anonymous services (cf. the XML loader). + * + * @author Fabien Potencier + */ +class YamlFileLoader extends FileLoader +{ + private $yamlParser; + + /** + * {@inheritdoc} + */ + public function load($resource, $type = null) + { + $path = $this->locator->locate($resource); + + $content = $this->loadFile($path); + + $this->container->addResource(new FileResource($path)); + + // empty file + if (null === $content) { + return; + } + + // imports + $this->parseImports($content, $path); + + // parameters + if (isset($content['parameters'])) { + if (!is_array($content['parameters'])) { + throw new InvalidArgumentException(sprintf('The "parameters" key should contain an array in %s. Check your YAML syntax.', $resource)); + } + + foreach ($content['parameters'] as $key => $value) { + $this->container->setParameter($key, $this->resolveServices($value)); + } + } + + // extensions + $this->loadFromExtensions($content); + + // services + $this->parseDefinitions($content, $resource); + } + + /** + * {@inheritdoc} + */ + public function supports($resource, $type = null) + { + return is_string($resource) && in_array(pathinfo($resource, PATHINFO_EXTENSION), array('yml', 'yaml'), true); + } + + /** + * Parses all imports. + * + * @param array $content + * @param string $file + */ + private function parseImports(array $content, $file) + { + if (!isset($content['imports'])) { + return; + } + + if (!is_array($content['imports'])) { + throw new InvalidArgumentException(sprintf('The "imports" key should contain an array in %s. Check your YAML syntax.', $file)); + } + + $defaultDirectory = dirname($file); + foreach ($content['imports'] as $import) { + if (!is_array($import)) { + throw new InvalidArgumentException(sprintf('The values in the "imports" key should be arrays in %s. Check your YAML syntax.', $file)); + } + + $this->setCurrentDir($defaultDirectory); + $this->import($import['resource'], null, isset($import['ignore_errors']) ? (bool) $import['ignore_errors'] : false, $file); + } + } + + /** + * Parses definitions. + * + * @param array $content + * @param string $file + */ + private function parseDefinitions(array $content, $file) + { + if (!isset($content['services'])) { + return; + } + + if (!is_array($content['services'])) { + throw new InvalidArgumentException(sprintf('The "services" key should contain an array in %s. Check your YAML syntax.', $file)); + } + + foreach ($content['services'] as $id => $service) { + $this->parseDefinition($id, $service, $file); + } + } + + /** + * Parses a definition. + * + * @param string $id + * @param array|string $service + * @param string $file + * + * @throws InvalidArgumentException When tags are invalid + */ + private function parseDefinition($id, $service, $file) + { + if (is_string($service) && 0 === strpos($service, '@')) { + $this->container->setAlias($id, substr($service, 1)); + + return; + } + + if (!is_array($service)) { + throw new InvalidArgumentException(sprintf('A service definition must be an array or a string starting with "@" but %s found for service "%s" in %s. Check your YAML syntax.', gettype($service), $id, $file)); + } + + if (isset($service['alias'])) { + $public = !array_key_exists('public', $service) || (bool) $service['public']; + $this->container->setAlias($id, new Alias($service['alias'], $public)); + + return; + } + + if (isset($service['parent'])) { + $definition = new DefinitionDecorator($service['parent']); + } else { + $definition = new Definition(); + } + + if (isset($service['class'])) { + $definition->setClass($service['class']); + } + + if (isset($service['shared'])) { + $definition->setShared($service['shared']); + } + + if (isset($service['scope'])) { + if ('request' !== $id) { + @trigger_error(sprintf('The "scope" key of service "%s" in file "%s" is deprecated since version 2.8 and will be removed in 3.0.', $id, $file), E_USER_DEPRECATED); + } + $definition->setScope($service['scope'], false); + } + + if (isset($service['synthetic'])) { + $definition->setSynthetic($service['synthetic']); + } + + if (isset($service['synchronized'])) { + @trigger_error(sprintf('The "synchronized" key of service "%s" in file "%s" is deprecated since version 2.7 and will be removed in 3.0.', $id, $file), E_USER_DEPRECATED); + $definition->setSynchronized($service['synchronized'], 'request' !== $id); + } + + if (isset($service['lazy'])) { + $definition->setLazy($service['lazy']); + } + + if (isset($service['public'])) { + $definition->setPublic($service['public']); + } + + if (isset($service['abstract'])) { + $definition->setAbstract($service['abstract']); + } + + if (array_key_exists('deprecated', $service)) { + $definition->setDeprecated(true, $service['deprecated']); + } + + if (isset($service['factory'])) { + if (is_string($service['factory'])) { + if (strpos($service['factory'], ':') !== false && strpos($service['factory'], '::') === false) { + $parts = explode(':', $service['factory']); + $definition->setFactory(array($this->resolveServices('@'.$parts[0]), $parts[1])); + } else { + $definition->setFactory($service['factory']); + } + } else { + $definition->setFactory(array($this->resolveServices($service['factory'][0]), $service['factory'][1])); + } + } + + if (isset($service['factory_class'])) { + @trigger_error(sprintf('The "factory_class" key of service "%s" in file "%s" is deprecated since version 2.6 and will be removed in 3.0. Use "factory" instead.', $id, $file), E_USER_DEPRECATED); + $definition->setFactoryClass($service['factory_class']); + } + + if (isset($service['factory_method'])) { + @trigger_error(sprintf('The "factory_method" key of service "%s" in file "%s" is deprecated since version 2.6 and will be removed in 3.0. Use "factory" instead.', $id, $file), E_USER_DEPRECATED); + $definition->setFactoryMethod($service['factory_method']); + } + + if (isset($service['factory_service'])) { + @trigger_error(sprintf('The "factory_service" key of service "%s" in file "%s" is deprecated since version 2.6 and will be removed in 3.0. Use "factory" instead.', $id, $file), E_USER_DEPRECATED); + $definition->setFactoryService($service['factory_service']); + } + + if (isset($service['file'])) { + $definition->setFile($service['file']); + } + + if (isset($service['arguments'])) { + $definition->setArguments($this->resolveServices($service['arguments'])); + } + + if (isset($service['properties'])) { + $definition->setProperties($this->resolveServices($service['properties'])); + } + + if (isset($service['configurator'])) { + if (is_string($service['configurator'])) { + $definition->setConfigurator($service['configurator']); + } else { + $definition->setConfigurator(array($this->resolveServices($service['configurator'][0]), $service['configurator'][1])); + } + } + + if (isset($service['calls'])) { + if (!is_array($service['calls'])) { + throw new InvalidArgumentException(sprintf('Parameter "calls" must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file)); + } + + foreach ($service['calls'] as $call) { + if (isset($call['method'])) { + $method = $call['method']; + $args = isset($call['arguments']) ? $this->resolveServices($call['arguments']) : array(); + } else { + $method = $call[0]; + $args = isset($call[1]) ? $this->resolveServices($call[1]) : array(); + } + + $definition->addMethodCall($method, $args); + } + } + + if (isset($service['tags'])) { + if (!is_array($service['tags'])) { + throw new InvalidArgumentException(sprintf('Parameter "tags" must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file)); + } + + foreach ($service['tags'] as $tag) { + if (!is_array($tag)) { + throw new InvalidArgumentException(sprintf('A "tags" entry must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file)); + } + + if (!isset($tag['name'])) { + throw new InvalidArgumentException(sprintf('A "tags" entry is missing a "name" key for service "%s" in %s.', $id, $file)); + } + + if (!is_string($tag['name']) || '' === $tag['name']) { + throw new InvalidArgumentException(sprintf('The tag name for service "%s" in %s must be a non-empty string.', $id, $file)); + } + + $name = $tag['name']; + unset($tag['name']); + + foreach ($tag as $attribute => $value) { + if (!is_scalar($value) && null !== $value) { + throw new InvalidArgumentException(sprintf('A "tags" attribute must be of a scalar-type for service "%s", tag "%s", attribute "%s" in %s. Check your YAML syntax.', $id, $name, $attribute, $file)); + } + } + + $definition->addTag($name, $tag); + } + } + + if (isset($service['decorates'])) { + if ('' !== $service['decorates'] && '@' === $service['decorates'][0]) { + throw new InvalidArgumentException(sprintf('The value of the "decorates" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $id, $service['decorates'], substr($service['decorates'], 1))); + } + + $renameId = isset($service['decoration_inner_name']) ? $service['decoration_inner_name'] : null; + $priority = isset($service['decoration_priority']) ? $service['decoration_priority'] : 0; + $definition->setDecoratedService($service['decorates'], $renameId, $priority); + } + + if (isset($service['autowire'])) { + $definition->setAutowired($service['autowire']); + } + + if (isset($service['autowiring_types'])) { + if (is_string($service['autowiring_types'])) { + $definition->addAutowiringType($service['autowiring_types']); + } else { + if (!is_array($service['autowiring_types'])) { + throw new InvalidArgumentException(sprintf('Parameter "autowiring_types" must be a string or an array for service "%s" in %s. Check your YAML syntax.', $id, $file)); + } + + foreach ($service['autowiring_types'] as $autowiringType) { + if (!is_string($autowiringType)) { + throw new InvalidArgumentException(sprintf('A "autowiring_types" attribute must be of type string for service "%s" in %s. Check your YAML syntax.', $id, $file)); + } + + $definition->addAutowiringType($autowiringType); + } + } + } + + $this->container->setDefinition($id, $definition); + } + + /** + * Loads a YAML file. + * + * @param string $file + * + * @return array The file content + * + * @throws InvalidArgumentException when the given file is not a local file or when it does not exist + */ + protected function loadFile($file) + { + if (!class_exists('Symfony\Component\Yaml\Parser')) { + throw new RuntimeException('Unable to load YAML config files as the Symfony Yaml Component is not installed.'); + } + + if (!stream_is_local($file)) { + throw new InvalidArgumentException(sprintf('This is not a local file "%s".', $file)); + } + + if (!file_exists($file)) { + throw new InvalidArgumentException(sprintf('The file "%s" does not exist.', $file)); + } + + if (null === $this->yamlParser) { + $this->yamlParser = new YamlParser(); + } + + try { + $configuration = $this->yamlParser->parse(file_get_contents($file)); + } catch (ParseException $e) { + throw new InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML.', $file), 0, $e); + } + + return $this->validate($configuration, $file); + } + + /** + * Validates a YAML file. + * + * @param mixed $content + * @param string $file + * + * @return array + * + * @throws InvalidArgumentException When service file is not valid + */ + private function validate($content, $file) + { + if (null === $content) { + return $content; + } + + if (!is_array($content)) { + throw new InvalidArgumentException(sprintf('The service file "%s" is not valid. It should contain an array. Check your YAML syntax.', $file)); + } + + foreach ($content as $namespace => $data) { + if (in_array($namespace, array('imports', 'parameters', 'services'))) { + continue; + } + + if (!$this->container->hasExtension($namespace)) { + $extensionNamespaces = array_filter(array_map(function ($ext) { return $ext->getAlias(); }, $this->container->getExtensions())); + throw new InvalidArgumentException(sprintf( + 'There is no extension able to load the configuration for "%s" (in %s). Looked for namespace "%s", found %s', + $namespace, + $file, + $namespace, + $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none' + )); + } + } + + return $content; + } + + /** + * Resolves services. + * + * @param string|array $value + * + * @return array|string|Reference + */ + private function resolveServices($value) + { + if (is_array($value)) { + $value = array_map(array($this, 'resolveServices'), $value); + } elseif (is_string($value) && 0 === strpos($value, '@=')) { + return new Expression(substr($value, 2)); + } elseif (is_string($value) && 0 === strpos($value, '@')) { + if (0 === strpos($value, '@@')) { + $value = substr($value, 1); + $invalidBehavior = null; + } elseif (0 === strpos($value, '@?')) { + $value = substr($value, 2); + $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE; + } else { + $value = substr($value, 1); + $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE; + } + + if ('=' === substr($value, -1)) { + $value = substr($value, 0, -1); + $strict = false; + } else { + $strict = true; + } + + if (null !== $invalidBehavior) { + $value = new Reference($value, $invalidBehavior, $strict); + } + } + + return $value; + } + + /** + * Loads from Extensions. + * + * @param array $content + */ + private function loadFromExtensions(array $content) + { + foreach ($content as $namespace => $values) { + if (in_array($namespace, array('imports', 'parameters', 'services'))) { + continue; + } + + if (!is_array($values)) { + $values = array(); + } + + $this->container->loadFromExtension($namespace, $values); + } + } +}