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[yaffs-website] / vendor / symfony / dependency-injection / Compiler / CheckReferenceValidityPass.php

diff --git a/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php b/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php
index ac4072a84902326d0dfa197e41b92273ffcdaa3c..72c7dd165d4afca76f00d876d6ca19c1240b44f2 100644 (file)
--- a/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php
+++ b/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php
@@ -12,154 +12,37 @@
 namespace Symfony\Component\DependencyInjection\Compiler;
 
 use Symfony\Component\DependencyInjection\Definition;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Exception\RuntimeException;
-use Symfony\Component\DependencyInjection\Exception\ScopeCrossingInjectionException;
-use Symfony\Component\DependencyInjection\Exception\ScopeWideningInjectionException;
 
 /**
  * Checks the validity of references.
  *
  * The following checks are performed by this pass:
  * - target definitions are not abstract
- * - target definitions are of equal or wider scope
- * - target definitions are in the same scope hierarchy
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class CheckReferenceValidityPass implements CompilerPassInterface
+class CheckReferenceValidityPass extends AbstractRecursivePass
 {
-    private $container;
-    private $currentId;
-    private $currentScope;
-    private $currentScopeAncestors;
-    private $currentScopeChildren;
-
-    /**
-     * Processes the ContainerBuilder to validate References.
-     *
-     * @param ContainerBuilder $container
-     */
-    public function process(ContainerBuilder $container)
+    protected function processValue($value, $isRoot = false)
     {
-        $this->container = $container;
-
-        $children = $this->container->getScopeChildren(false);
-        $ancestors = array();
-
-        $scopes = $this->container->getScopes(false);
-        foreach ($scopes as $name => $parent) {
-            $ancestors[$name] = array($parent);
-
-            while (isset($scopes[$parent])) {
-                $ancestors[$name][] = $parent = $scopes[$parent];
-            }
-        }
-
-        foreach ($container->getDefinitions() as $id => $definition) {
-            if ($definition->isSynthetic() || $definition->isAbstract()) {
-                continue;
-            }
-
-            $this->currentId = $id;
-            $this->currentScope = $scope = $definition->getScope(false);
-
-            if (ContainerInterface::SCOPE_CONTAINER === $scope) {
-                $this->currentScopeChildren = array_keys($scopes);
-                $this->currentScopeAncestors = array();
-            } elseif (ContainerInterface::SCOPE_PROTOTYPE !== $scope) {
-                $this->currentScopeChildren = isset($children[$scope]) ? $children[$scope] : array();
-                $this->currentScopeAncestors = isset($ancestors[$scope]) ? $ancestors[$scope] : array();
+        if ($isRoot && $value instanceof Definition && ($value->isSynthetic() || $value->isAbstract())) {
+            return $value;
+        }
+        if ($value instanceof Reference && $this->container->hasDefinition((string) $value)) {
+            $targetDefinition = $this->container->getDefinition((string) $value);
+
+            if ($targetDefinition->isAbstract()) {
+                throw new RuntimeException(sprintf(
+                    'The definition "%s" has a reference to an abstract definition "%s". '
+                   .'Abstract definitions cannot be the target of references.',
+                   $this->currentId,
+                   $value
+                ));
             }
-
-            $this->validateReferences($definition->getArguments());
-            $this->validateReferences($definition->getMethodCalls());
-            $this->validateReferences($definition->getProperties());
-        }
-    }
-
-    /**
-     * Validates an array of References.
-     *
-     * @param array $arguments An array of Reference objects
-     *
-     * @throws RuntimeException when there is a reference to an abstract definition.
-     */
-    private function validateReferences(array $arguments)
-    {
-        foreach ($arguments as $argument) {
-            if (is_array($argument)) {
-                $this->validateReferences($argument);
-            } elseif ($argument instanceof Reference) {
-                $targetDefinition = $this->getDefinition((string) $argument);
-
-                if (null !== $targetDefinition && $targetDefinition->isAbstract()) {
-                    throw new RuntimeException(sprintf(
-                        'The definition "%s" has a reference to an abstract definition "%s". '
-                       .'Abstract definitions cannot be the target of references.',
-                       $this->currentId,
-                       $argument
-                    ));
-                }
-
-                $this->validateScope($argument, $targetDefinition);
-            }
-        }
-    }
-
-    /**
-     * Validates the scope of a single Reference.
-     *
-     * @param Reference  $reference
-     * @param Definition $definition
-     *
-     * @throws ScopeWideningInjectionException when the definition references a service of a narrower scope
-     * @throws ScopeCrossingInjectionException when the definition references a service of another scope hierarchy
-     */
-    private function validateScope(Reference $reference, Definition $definition = null)
-    {
-        if (ContainerInterface::SCOPE_PROTOTYPE === $this->currentScope) {
-            return;
-        }
-
-        if (!$reference->isStrict(false)) {
-            return;
-        }
-
-        if (null === $definition) {
-            return;
-        }
-
-        if ($this->currentScope === $scope = $definition->getScope(false)) {
-            return;
-        }
-
-        $id = (string) $reference;
-
-        if (in_array($scope, $this->currentScopeChildren, true)) {
-            throw new ScopeWideningInjectionException($this->currentId, $this->currentScope, $id, $scope);
-        }
-
-        if (!in_array($scope, $this->currentScopeAncestors, true)) {
-            throw new ScopeCrossingInjectionException($this->currentId, $this->currentScope, $id, $scope);
-        }
-    }
-
-    /**
-     * Returns the Definition given an id.
-     *
-     * @param string $id Definition identifier
-     *
-     * @return Definition
-     */
-    private function getDefinition($id)
-    {
-        if (!$this->container->hasDefinition($id)) {
-            return;
         }
 
-        return $this->container->getDefinition($id);
+        return parent::processValue($value, $isRoot);
     }
 }