--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * 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 <fabien@symfony.com>
+ */
+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);
+ }
+ }
+}
projects / yaffs-website / blobdiff