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1 <?php 2 3 /* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <fabien@symfony.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12 namespace Symfony\Component\DependencyInjection\Compiler; 13 14 use Symfony\Component\DependencyInjection\ContainerBuilder; 15 use Symfony\Component\DependencyInjection\Definition; 16 use Symfony\Component\DependencyInjection\DefinitionDecorator; 17 use Symfony\Component\DependencyInjection\Exception\RuntimeException; 18 19 /** 20 * This replaces all DefinitionDecorator instances with their equivalent fully 21 * merged Definition instance. 22 * 23 * @author Johannes M. Schmitt <schmittjoh@gmail.com> 24 * @author Nicolas Grekas <p@tchwork.com> 25 */ 26 class ResolveDefinitionTemplatesPass implements CompilerPassInterface 27 { 28 private $compiler; 29 private $formatter; 30 private $currentId; 31 32 /** 33 * Process the ContainerBuilder to replace DefinitionDecorator instances with their real Definition instances. 34 */ 35 public function process(ContainerBuilder $container) 36 { 37 $this->compiler = $container->getCompiler(); 38 $this->formatter = $this->compiler->getLoggingFormatter(); 39 40 $container->setDefinitions($this->resolveArguments($container, $container->getDefinitions(), true)); 41 } 42 43 /** 44 * Resolves definition decorator arguments. 45 * 46 * @param ContainerBuilder $container The ContainerBuilder 47 * @param array $arguments An array of arguments 48 * @param bool $isRoot If we are processing the root definitions or not 49 * 50 * @return array 51 */ 52 private function resolveArguments(ContainerBuilder $container, array $arguments, $isRoot = false) 53 { 54 foreach ($arguments as $k => $argument) { 55 if ($isRoot) { 56 // yes, we are specifically fetching the definition from the 57 // container to ensure we are not operating on stale data 58 $arguments[$k] = $argument = $container->getDefinition($k); 59 $this->currentId = $k; 60 } 61 if (\is_array($argument)) { 62 $arguments[$k] = $this->resolveArguments($container, $argument); 63 } elseif ($argument instanceof Definition) { 64 if ($argument instanceof DefinitionDecorator) { 65 $arguments[$k] = $argument = $this->resolveDefinition($container, $argument); 66 if ($isRoot) { 67 $container->setDefinition($k, $argument); 68 } 69 } 70 $argument->setArguments($this->resolveArguments($container, $argument->getArguments())); 71 $argument->setMethodCalls($this->resolveArguments($container, $argument->getMethodCalls())); 72 $argument->setProperties($this->resolveArguments($container, $argument->getProperties())); 73 74 $configurator = $this->resolveArguments($container, array($argument->getConfigurator())); 75 $argument->setConfigurator($configurator[0]); 76 77 $factory = $this->resolveArguments($container, array($argument->getFactory())); 78 $argument->setFactory($factory[0]); 79 } 80 } 81 82 return $arguments; 83 } 84 85 /** 86 * Resolves the definition. 87 * 88 * @param ContainerBuilder $container The ContainerBuilder 89 * @param DefinitionDecorator $definition 90 * 91 * @return Definition 92 * 93 * @throws \RuntimeException When the definition is invalid 94 */ 95 private function resolveDefinition(ContainerBuilder $container, DefinitionDecorator $definition) 96 { 97 if (!$container->hasDefinition($parent = $definition->getParent())) { 98 throw new RuntimeException(sprintf('The parent definition "%s" defined for definition "%s" does not exist.', $parent, $this->currentId)); 99 } 100 101 $parentDef = $container->getDefinition($parent); 102 if ($parentDef instanceof DefinitionDecorator) { 103 $id = $this->currentId; 104 $this->currentId = $parent; 105 $parentDef = $this->resolveDefinition($container, $parentDef); 106 $container->setDefinition($parent, $parentDef); 107 $this->currentId = $id; 108 } 109 110 $this->compiler->addLogMessage($this->formatter->formatResolveInheritance($this, $this->currentId, $parent)); 111 $def = new Definition(); 112 113 // merge in parent definition 114 // purposely ignored attributes: scope, abstract, tags 115 $def->setClass($parentDef->getClass()); 116 $def->setArguments($parentDef->getArguments()); 117 $def->setMethodCalls($parentDef->getMethodCalls()); 118 $def->setProperties($parentDef->getProperties()); 119 $def->setAutowiringTypes($parentDef->getAutowiringTypes()); 120 if ($parentDef->getFactoryClass(false)) { 121 $def->setFactoryClass($parentDef->getFactoryClass(false)); 122 } 123 if ($parentDef->getFactoryMethod(false)) { 124 $def->setFactoryMethod($parentDef->getFactoryMethod(false)); 125 } 126 if ($parentDef->getFactoryService(false)) { 127 $def->setFactoryService($parentDef->getFactoryService(false)); 128 } 129 if ($parentDef->isDeprecated()) { 130 $def->setDeprecated(true, $parentDef->getDeprecationMessage('%service_id%')); 131 } 132 $def->setFactory($parentDef->getFactory()); 133 $def->setConfigurator($parentDef->getConfigurator()); 134 $def->setFile($parentDef->getFile()); 135 $def->setPublic($parentDef->isPublic()); 136 $def->setLazy($parentDef->isLazy()); 137 $def->setAutowired($parentDef->isAutowired()); 138 139 // overwrite with values specified in the decorator 140 $changes = $definition->getChanges(); 141 if (isset($changes['class'])) { 142 $def->setClass($definition->getClass()); 143 } 144 if (isset($changes['factory_class'])) { 145 $def->setFactoryClass($definition->getFactoryClass(false)); 146 } 147 if (isset($changes['factory_method'])) { 148 $def->setFactoryMethod($definition->getFactoryMethod(false)); 149 } 150 if (isset($changes['factory_service'])) { 151 $def->setFactoryService($definition->getFactoryService(false)); 152 } 153 if (isset($changes['factory'])) { 154 $def->setFactory($definition->getFactory()); 155 } 156 if (isset($changes['configurator'])) { 157 $def->setConfigurator($definition->getConfigurator()); 158 } 159 if (isset($changes['file'])) { 160 $def->setFile($definition->getFile()); 161 } 162 if (isset($changes['public'])) { 163 $def->setPublic($definition->isPublic()); 164 } 165 if (isset($changes['lazy'])) { 166 $def->setLazy($definition->isLazy()); 167 } 168 if (isset($changes['deprecated'])) { 169 $def->setDeprecated($definition->isDeprecated(), $definition->getDeprecationMessage('%service_id%')); 170 } 171 if (isset($changes['autowire'])) { 172 $def->setAutowired($definition->isAutowired()); 173 } 174 if (isset($changes['decorated_service'])) { 175 $decoratedService = $definition->getDecoratedService(); 176 if (null === $decoratedService) { 177 $def->setDecoratedService($decoratedService); 178 } else { 179 $def->setDecoratedService($decoratedService[0], $decoratedService[1], $decoratedService[2]); 180 } 181 } 182 183 // merge arguments 184 foreach ($definition->getArguments() as $k => $v) { 185 if (is_numeric($k)) { 186 $def->addArgument($v); 187 continue; 188 } 189 190 if (0 !== strpos($k, 'index_')) { 191 throw new RuntimeException(sprintf('Invalid argument key "%s" found.', $k)); 192 } 193 194 $index = (int) substr($k, \strlen('index_')); 195 $def->replaceArgument($index, $v); 196 } 197 198 // merge properties 199 foreach ($definition->getProperties() as $k => $v) { 200 $def->setProperty($k, $v); 201 } 202 203 // append method calls 204 if (\count($calls = $definition->getMethodCalls()) > 0) { 205 $def->setMethodCalls(array_merge($def->getMethodCalls(), $calls)); 206 } 207 208 // merge autowiring types 209 foreach ($definition->getAutowiringTypes() as $autowiringType) { 210 $def->addAutowiringType($autowiringType); 211 } 212 213 // these attributes are always taken from the child 214 $def->setAbstract($definition->isAbstract()); 215 $def->setScope($definition->getScope(false), false); 216 $def->setShared($definition->isShared()); 217 $def->setTags($definition->getTags()); 218 219 return $def; 220 } 221 }
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