--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,325 @@
+<?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\ContainerBuilder;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * 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
+{
+ /**
+ * Loads a Yaml file.
+ *
+ * @param mixed $file The resource
+ * @param string $type The resource type
+ */
+ public function load($file, $type = null)
+ {
+ $path = $this->locator->locate($file);
+
+ $content = $this->loadFile($path);
+
+ $this->container->addResource(new FileResource($path));
+
+ // empty file
+ if (null === $content) {
+ return;
+ }
+
+ // imports
+ $this->parseImports($content, $file);
+
+ // parameters
+ if (isset($content['parameters'])) {
+ foreach ($content['parameters'] as $key => $value) {
+ $this->container->setParameter($key, $this->resolveServices($value));
+ }
+ }
+
+ // extensions
+ $this->loadFromExtensions($content);
+
+ // services
+ $this->parseDefinitions($content, $file);
+ }
+
+ /**
+ * Returns true if this class supports the given resource.
+ *
+ * @param mixed $resource A resource
+ * @param string $type The resource type
+ *
+ * @return Boolean true if this class supports the given resource, false otherwise
+ */
+ public function supports($resource, $type = null)
+ {
+ return is_string($resource) && 'yml' === pathinfo($resource, PATHINFO_EXTENSION);
+ }
+
+ /**
+ * Parses all imports
+ *
+ * @param array $content
+ * @param string $file
+ * @return void
+ */
+ private function parseImports($content, $file)
+ {
+ if (!isset($content['imports'])) {
+ return;
+ }
+
+ foreach ($content['imports'] as $import) {
+ $this->setCurrentDir(dirname($file));
+ $this->import($import['resource'], null, isset($import['ignore_errors']) ? (Boolean) $import['ignore_errors'] : false, $file);
+ }
+ }
+
+ /**
+ * Parses definitions
+ *
+ * @param array $content
+ * @param string $file
+ * @return void
+ */
+ private function parseDefinitions($content, $file)
+ {
+ if (!isset($content['services'])) {
+ return;
+ }
+
+ foreach ($content['services'] as $id => $service) {
+ $this->parseDefinition($id, $service, $file);
+ }
+ }
+
+ /**
+ * Parses a definition.
+ *
+ * @param string $id
+ * @param array $service
+ * @param string $file
+ * @return void
+ */
+ private function parseDefinition($id, $service, $file)
+ {
+ if (is_string($service) && 0 === strpos($service, '@')) {
+ $this->container->setAlias($id, substr($service, 1));
+
+ return;
+ } else if (isset($service['alias'])) {
+ $public = !array_key_exists('public', $service) || (Boolean) $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['scope'])) {
+ $definition->setScope($service['scope']);
+ }
+
+ if (isset($service['synthetic'])) {
+ $definition->setSynthetic($service['synthetic']);
+ }
+
+ if (isset($service['public'])) {
+ $definition->setPublic($service['public']);
+ }
+
+ if (isset($service['abstract'])) {
+ $definition->setAbstract($service['abstract']);
+ }
+
+ if (isset($service['factory_class'])) {
+ $definition->setFactoryClass($service['factory_class']);
+ }
+
+ if (isset($service['factory_method'])) {
+ $definition->setFactoryMethod($service['factory_method']);
+ }
+
+ if (isset($service['factory_service'])) {
+ $definition->setFactoryService($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'])) {
+ foreach ($service['calls'] as $call) {
+ $definition->addMethodCall($call[0], $this->resolveServices($call[1]));
+ }
+ }
+
+ if (isset($service['tags'])) {
+ if (!is_array($service['tags'])) {
+ throw new \InvalidArgumentException(sprintf('Parameter "tags" must be an array for service "%s" in %s.', $id, $file));
+ }
+
+ foreach ($service['tags'] as $tag) {
+ if (!isset($tag['name'])) {
+ throw new \InvalidArgumentException(sprintf('A "tags" entry is missing a "name" key for service "%s" in %s.', $id, $file));
+ }
+
+ $name = $tag['name'];
+ unset($tag['name']);
+
+ $definition->addTag($name, $tag);
+ }
+ }
+
+ $this->container->setDefinition($id, $definition);
+ }
+
+ /**
+ * Loads a YAML file.
+ *
+ * @param string $file
+ * @return array The file content
+ */
+ private function loadFile($file)
+ {
+ return $this->validate(Yaml::parse($file), $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.', $file));
+ }
+
+ foreach (array_keys($content) as $namespace) {
+ if (in_array($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 $value
+ * @return Reference
+ */
+ private function resolveServices($value)
+ {
+ if (is_array($value)) {
+ $value = array_map(array($this, 'resolveServices'), $value);
+ } else if (is_string($value) && 0 === strpos($value, '@')) {
+ if (0 === strpos($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;
+ }
+
+ $value = new Reference($value, $invalidBehavior, $strict);
+ }
+
+ return $value;
+ }
+
+ /**
+ * Loads from Extensions
+ *
+ * @param array $content
+ * @return void
+ */
+ private function loadFromExtensions($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);
+ }
+ }
+}