142 lines
4.4 KiB
PHP
142 lines
4.4 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@symfony.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\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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private $repeatedPass;
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private $graph;
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private $compiler;
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private $formatter;
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private $currentId;
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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->compiler = $container->getCompiler();
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$this->formatter = $this->compiler->getLoggingFormatter();
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$this->graph = $this->compiler->getServiceReferenceGraph();
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$container->setDefinitions($this->inlineArguments($container, $container->getDefinitions(), true));
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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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* @param bool $isRoot If we are processing the root definitions or not
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*
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* @return array
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*/
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private function inlineArguments(ContainerBuilder $container, array $arguments, $isRoot = false)
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{
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foreach ($arguments as $k => $argument) {
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if ($isRoot) {
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$this->currentId = $k;
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}
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if (is_array($argument)) {
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$arguments[$k] = $this->inlineArguments($container, $argument);
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} elseif ($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->isInlineableDefinition($id, $definition = $container->getDefinition($id))) {
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$this->compiler->addLogMessage($this->formatter->formatInlineService($this, $id, $this->currentId));
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if ($definition->isShared()) {
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$arguments[$k] = $definition;
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} else {
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$arguments[$k] = clone $definition;
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}
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}
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} elseif ($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, $argument->getProperties()));
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$configurator = $this->inlineArguments($container, array($argument->getConfigurator()));
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$argument->setConfigurator($configurator[0]);
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$factory = $this->inlineArguments($container, array($argument->getFactory()));
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$argument->setFactory($factory[0]);
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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 string $id
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* @param Definition $definition
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*
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* @return bool If the definition is inlineable
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*/
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private function isInlineableDefinition($id, Definition $definition)
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{
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if (!$definition->isShared()) {
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return true;
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}
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if ($definition->isPublic() || $definition->isLazy()) {
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return false;
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}
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if (!$this->graph->hasNode($id)) {
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return true;
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}
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if ($this->currentId == $id) {
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return false;
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}
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$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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if (count($ids) > 1 && is_array($factory = $definition->getFactory()) && ($factory[0] instanceof Reference || $factory[0] instanceof Definition)) {
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return false;
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}
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return true;
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}
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}
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