128 lines
4.0 KiB
PHP
128 lines
4.0 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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/**
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* Inline service definitions where this is possible.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class InlineServiceDefinitionsPass implements RepeatablePassInterface
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{
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protected $repeatedPass;
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protected $graph;
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/**
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* {@inheritDoc}
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*/
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public function setRepeatedPass(RepeatedPass $repeatedPass)
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{
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$this->repeatedPass = $repeatedPass;
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}
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/**
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* Processes the ContainerBuilder for inline service definitions.
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*
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* @param ContainerBuilder $container
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*/
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public function process(ContainerBuilder $container)
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{
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$this->graph = $container->getCompiler()->getServiceReferenceGraph();
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foreach ($container->getDefinitions() as $definition) {
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$definition->setArguments(
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$this->inlineArguments($container, $definition->getArguments())
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);
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$definition->setMethodCalls(
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$this->inlineArguments($container, $definition->getMethodCalls())
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);
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$definition->setProperties(
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$this->inlineArguments($container, $definition->getProperties())
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);
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}
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}
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/**
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* Processes inline arguments.
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*
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* @param ContainerBuilder $container The ContainerBuilder
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* @param array $arguments An array of arguments
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*/
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protected function inlineArguments(ContainerBuilder $container, array $arguments)
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{
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foreach ($arguments as $k => $argument) {
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if (is_array($argument)) {
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$arguments[$k] = $this->inlineArguments($container, $argument);
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} else if ($argument instanceof Reference) {
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if (!$container->hasDefinition($id = (string) $argument)) {
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continue;
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}
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if ($this->isInlinableDefinition($container, $id, $definition = $container->getDefinition($id))) {
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if (ContainerInterface::SCOPE_PROTOTYPE !== $definition->getScope()) {
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$arguments[$k] = $definition;
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} else {
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$arguments[$k] = clone $definition;
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}
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}
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} else if ($argument instanceof Definition) {
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$argument->setArguments($this->inlineArguments($container, $argument->getArguments()));
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$argument->setMethodCalls($this->inlineArguments($container, $argument->getMethodCalls()));
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$argument->setProperties($this->inlineArguments($container, $argument->getProperties()));
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}
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}
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return $arguments;
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}
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/**
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* Checks if the definition is inlineable.
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*
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* @param ContainerBuilder $container
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* @param string $id
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* @param Definition $definition
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* @return boolean If the definition is inlineable
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*/
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protected function isInlinableDefinition(ContainerBuilder $container, $id, Definition $definition)
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{
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if (ContainerInterface::SCOPE_PROTOTYPE === $definition->getScope()) {
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return true;
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}
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if ($definition->isPublic()) {
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return false;
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}
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if (!$this->graph->hasNode($id)) {
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return true;
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}
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$ids = array();
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foreach ($this->graph->getNode($id)->getInEdges() as $edge) {
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$ids[] = $edge->getSourceNode()->getId();
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}
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if (count(array_unique($ids)) > 1) {
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return false;
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}
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return $container->getDefinition(reset($ids))->getScope() === $definition->getScope();
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}
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}
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