divineniiquaye /
rade-di
| Total Complexity | 78 |
| Total Lines | 436 |
| Duplicated Lines | 0 % |
| Changes | 13 | ||
| Bugs | 0 | Features | 0 |
Complex classes like DefinitionBuilder often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DefinitionBuilder, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 35 | final class DefinitionBuilder |
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| 36 | { |
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| 37 | private AbstractContainer $container; |
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| 38 | |||
| 39 | /** @var array<string,array<int,mixed>> */ |
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| 40 | private array $classes = []; |
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| 41 | |||
| 42 | /** @var array<string,array<int,array<int,mixed>>> */ |
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| 43 | private array $defaults = []; |
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| 44 | |||
| 45 | private ?string $definition = null; |
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| 46 | |||
| 47 | private ?string $directory = null; |
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| 48 | |||
| 49 | private bool $trackDefaults = false; |
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| 50 | |||
| 51 | public function __construct(AbstractContainer $container) |
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| 52 | { |
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| 53 | $this->container = $container; |
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| 54 | } |
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| 55 | |||
| 56 | public function __destruct() |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | /** |
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| 73 | * Where all the magic happens. |
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| 74 | * |
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| 75 | * @param array<int,mixed> $arguments |
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| 76 | * |
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| 77 | * @return $this |
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| 78 | * |
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| 79 | * @throws \Throwable |
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| 80 | */ |
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| 81 | public function __call(string $name, array $arguments) |
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| 102 | } |
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| 103 | |||
| 104 | /** |
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| 105 | * Set a config into container's parameter. |
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| 106 | * |
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| 107 | * @param mixed $value |
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| 108 | * |
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| 109 | * @return $this |
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| 110 | */ |
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| 111 | public function parameter(string $name, $value) |
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| 112 | { |
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| 113 | $this->container->parameters[$name] = $value; |
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| 114 | |||
| 115 | return $this; |
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| 116 | } |
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| 117 | |||
| 118 | /** |
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| 119 | * Marks an alias id to service id. |
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| 120 | * |
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| 121 | * @return $this |
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| 122 | */ |
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| 123 | public function alias(string $id, string $serviceId = null) |
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| 124 | { |
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| 125 | $this->container->alias($id, $serviceId ?? $this->definition); |
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Bug
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| 126 | |||
| 127 | return $this; |
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| 128 | } |
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| 129 | |||
| 130 | /** |
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| 131 | * Enables autowiring. |
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| 132 | * |
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| 133 | * @param string $id |
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| 134 | * @param array<int,string> $types |
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| 135 | * @param Definitions\TypedDefinitionInterface|object|null $definition |
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| 136 | * |
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| 137 | * @return Definition|$this |
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| 138 | */ |
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| 139 | public function autowire(/* string $id, $definition or array $types */) |
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| 140 | { |
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| 141 | $arguments = \func_get_args(); |
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| 142 | |||
| 143 | if (\is_string($arguments[0] ?? null)) { |
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| 144 | $this->doCreate($this->container->autowire($this->definition = $arguments[0], $arguments[1] ?? null)); |
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| 145 | |||
| 146 | return $this; |
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| 147 | } |
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| 148 | |||
| 149 | if (!$id = $this->definition) { |
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| 150 | throw $this->createInitializingError(__FUNCTION__); |
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| 151 | } |
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| 152 | |||
| 153 | if ($this->trackDefaults) { |
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| 154 | $this->defaults[$id][] = [__FUNCTION__, $arguments]; |
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| 155 | } else { |
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| 156 | $definition = !isset($this->classes[$id]) ? $this->container->definition($id) : $this->classes[$id][0]; |
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| 157 | |||
| 158 | if ($definition instanceof Definitions\TypedDefinitionInterface) { |
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| 159 | $definition->autowire($arguments[0] ?? []); |
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| 160 | } |
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| 161 | } |
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| 162 | |||
| 163 | return $this; |
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| 164 | } |
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| 165 | |||
| 166 | /** |
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| 167 | * Set a service definition. |
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| 168 | * |
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| 169 | * @param DefinitionInterface|object|null $definition |
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| 170 | * |
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| 171 | * @return Definition|$this |
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| 172 | */ |
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| 173 | public function set(string $id, object $definition = null) |
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| 174 | { |
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| 175 | $this->doCreate($this->container->set($this->definition = $id, $definition)); |
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| 176 | |||
| 177 | return $this; |
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| 178 | } |
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| 179 | |||
| 180 | /** |
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| 181 | * Extends a service definition. |
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| 182 | * |
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| 183 | * @return Definition|$this |
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| 184 | */ |
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| 185 | public function extend(string $id) |
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| 186 | { |
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| 187 | $this->doCreate($this->container->definition($this->definition = $id)); |
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| 188 | |||
| 189 | return $this; |
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| 190 | } |
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| 191 | |||
| 192 | /** |
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| 193 | * Replaces old service with a new one, but keeps a reference of the old one as: service_id.inner. |
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| 194 | * |
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| 195 | * @param DefinitionInterface|object|null $definition |
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| 196 | * |
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| 197 | * @see Rade\DI\Traits\DefinitionTrait::decorate |
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| 198 | * |
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| 199 | * @return Definition|$this |
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| 200 | */ |
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| 201 | public function decorate(string $id, object $definition = null) |
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| 202 | { |
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| 203 | $this->doCreate($this->container->decorate($this->definition = $id, $definition)); |
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| 204 | |||
| 205 | return $this; |
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| 206 | } |
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| 207 | |||
| 208 | /** |
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| 209 | * Defines a set of defaults for following service definitions. |
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| 210 | * |
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| 211 | * @param bool $merge If true, new defaults will be merged into existing |
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| 212 | * |
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| 213 | * @return Definition|$this |
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| 214 | */ |
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| 215 | public function defaults(bool $merge = true) |
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| 225 | } |
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| 226 | |||
| 227 | /** |
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| 228 | * Defines a set of defaults only for services whose class matches a defined one. |
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| 229 | * |
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| 230 | * @return Definition|$this |
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| 231 | */ |
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| 232 | public function instanceOf(string $interfaceOrClass) |
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| 233 | { |
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| 234 | $this->trackDefaults = true; |
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| 235 | |||
| 236 | if (!Validators::isType($interfaceOrClass)) { |
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| 237 | throw new \RuntimeException(\sprintf('"%s" is set as an "instanceof" conditional, but it does not exist.', $interfaceOrClass)); |
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| 238 | } |
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| 239 | |||
| 240 | $this->definition = $interfaceOrClass; |
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| 241 | |||
| 242 | return $this; |
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| 243 | } |
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| 244 | |||
| 245 | /** |
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| 246 | * Registers a set of classes as services using PSR-4 for discovery. |
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| 247 | * |
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| 248 | * @param string $namespace The namespace prefix of classes in the scanned directory |
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| 249 | * @param string|null $resource The directory to look for classes, glob-patterns allowed |
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| 250 | * @param string|string[]|null $exclude A globbed path of files to exclude or an array of globbed paths of files to exclude |
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| 251 | * |
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| 252 | * @return $this |
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| 253 | */ |
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| 254 | public function namespaced(string $namespace, string $resource = null, $exclude = null) |
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| 255 | { |
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| 256 | if ('\\' !== @$namespace[-1]) { |
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| 257 | throw new \InvalidArgumentException(\sprintf('Namespace prefix must end with a "\\": "%s".', $namespace)); |
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| 258 | } |
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| 259 | |||
| 260 | if (!\preg_match('/^(?:[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+\\\\)++$/', $namespace)) { |
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| 261 | throw new \InvalidArgumentException(\sprintf('Namespace is not a valid PSR-4 prefix: "%s".', $namespace)); |
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| 262 | } |
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| 263 | |||
| 264 | if (null !== $resource) { |
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| 265 | $resource = $this->container->parameter($this->directory . $resource); |
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| 266 | } |
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| 267 | |||
| 268 | $classes = $this->findClasses($namespace, $resource ?? $this->findResourcePath($namespace), (array) $exclude); |
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| 269 | $this->doCreate($definition = new Definition($this->definition = $namespace)); |
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| 270 | |||
| 271 | $this->classes[$namespace] = [$definition, $classes]; |
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| 272 | |||
| 273 | return $this; |
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| 274 | } |
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| 275 | |||
| 276 | /** |
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| 277 | * Set|Replace a directory for finding classes. |
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| 278 | * |
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| 279 | * @return $this |
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| 280 | */ |
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| 281 | public function directory(string $path) |
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| 282 | { |
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| 283 | $this->directory = \rtrim($path, '\\/') . '/'; |
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| 284 | |||
| 285 | return $this; |
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| 286 | } |
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| 287 | |||
| 288 | public function getContainer(): AbstractContainer |
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| 289 | { |
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| 290 | return $this->container; |
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| 291 | } |
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| 292 | |||
| 293 | private function doCreate(object $definition): void |
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| 294 | { |
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| 295 | $this->trackDefaults = false; |
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| 296 | |||
| 297 | foreach ($this->defaults as $offset => $defaultMethods) { |
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| 298 | if ('#defaults' !== $offset) { |
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| 299 | $class = $definition instanceof DefinitionInterface ? $definition->getEntity() : $definition; |
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| 300 | |||
| 301 | if (!(\is_string($class) || \is_object($class)) || !\is_subclass_of($class, $offset)) { |
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| 302 | continue; |
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| 303 | } |
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| 304 | } |
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| 305 | |||
| 306 | foreach ($defaultMethods as [$defaultMethod, $defaultArguments]) { |
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| 307 | if (!\method_exists($definition, $defaultMethod)) { |
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| 308 | continue; |
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| 309 | } |
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| 310 | |||
| 311 | try { |
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| 312 | $definition->{$defaultMethod}(...$defaultArguments); |
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| 313 | } catch (\Error $e) { |
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| 314 | throw $this->createErrorException($defaultMethod, $e); |
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| 315 | } |
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| 316 | } |
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| 317 | } |
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| 318 | |||
| 319 | $this->__destruct(); |
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| 320 | } |
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| 321 | |||
| 322 | private function findResourcePath(string $namespace): string |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * @param array<int,string> $excludePatterns |
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| 358 | * |
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| 359 | * @return array<int,string> |
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| 360 | * |
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| 361 | * @throws \ReflectionException |
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| 362 | */ |
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| 363 | private function findClasses(string $namespace, string $pattern, array $excludePatterns): array |
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| 364 | { |
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| 365 | $classNames = []; |
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| 366 | $container = $this->container; |
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| 367 | |||
| 368 | foreach (\glob($pattern, \GLOB_BRACE) as $directory) { |
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| 369 | $directoryIterator = new \RecursiveDirectoryIterator($directory, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS); |
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| 370 | $files = \iterator_to_array(new \RecursiveIteratorIterator($directoryIterator)); |
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| 371 | |||
| 372 | \uksort($files, 'strnatcmp'); |
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| 373 | |||
| 374 | /** @var \SplFileInfo $info */ |
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| 375 | foreach ($files as $path => $info) { |
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| 376 | $path = \str_replace('\\', '/', $path); // normalize Windows slashes |
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| 377 | $pathLength = 0; |
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| 378 | |||
| 379 | foreach ($excludePatterns as $excludePattern) { |
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| 380 | $excludePattern = $container->parameter($this->directory . $excludePattern); |
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| 381 | |||
| 382 | foreach (\glob($excludePattern, \GLOB_BRACE) ?: [$excludePattern] as $excludedPath) { |
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| 383 | if (\str_starts_with($path, \str_replace('\\', '/', $excludedPath))) { |
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| 384 | continue 3; |
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| 385 | } |
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| 386 | } |
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| 387 | } |
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| 388 | |||
| 389 | if (!\preg_match('/\\.php$/', $path, $m) || !$info->isReadable()) { |
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| 390 | continue; |
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| 391 | } |
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| 392 | |||
| 393 | foreach (\explode('\\', $namespace, -1) as $namespaced) { |
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| 394 | if ($pos = \strpos($path, $namespaced . '/')) { |
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| 395 | $pathLength = +$pos + \strlen($namespaced . '/'); |
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| 396 | } |
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| 397 | } |
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| 398 | |||
| 399 | if (0 === $pathLength) { |
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| 400 | $pathLength = \preg_match('/\w+\.php$/', $path, $l) ? \strpos($path, $l[0]) : 0; |
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| 401 | } |
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| 402 | |||
| 403 | $class = \str_replace('/', '\\', \substr($path, $pathLength, -\strlen($m[0]))); |
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| 404 | |||
| 405 | if (null === $class = $this->findClass($container, $namespace . $class, $path, $pattern)) { |
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| 406 | continue; |
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| 407 | } |
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| 408 | |||
| 409 | $classNames[] = $class; |
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| 410 | } |
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| 411 | |||
| 412 | // track only for new & removed files |
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| 413 | if ($container instanceof ContainerBuilder && \interface_exists(ResourceInterface::class)) { |
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| 414 | $container->addResource(new FileExistenceResource($path)); |
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| 415 | } |
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| 416 | } |
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| 417 | |||
| 418 | return $classNames; |
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| 419 | } |
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| 420 | |||
| 421 | private function findClass(AbstractContainer $container, string $class, string $path, string $pattern): ?string |
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| 422 | { |
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| 423 | if (!\preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+$/', $class)) { |
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| 424 | return null; |
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| 425 | } |
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| 426 | |||
| 427 | try { |
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| 428 | $r = new \ReflectionClass($class); |
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| 429 | } catch (\Error | \ReflectionException $e) { |
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| 430 | if (\preg_match('/^Class .* not found$/', $e->getMessage())) { |
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| 431 | return null; |
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| 432 | } |
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| 433 | |||
| 434 | if ($e instanceof \ReflectionException) { |
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| 435 | throw new \InvalidArgumentException(\sprintf('Expected to find class "%s" in file "%s" while importing services from resource "%s", but it was not found! Check the namespace prefix used with the resource.', $class, $path, $pattern), 0, $e); |
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| 436 | } |
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| 437 | |||
| 438 | throw $e; |
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| 439 | } |
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| 440 | |||
| 441 | if ($container instanceof ContainerBuilder && \interface_exists(ResourceInterface::class)) { |
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| 442 | $container->addResource(new ClassExistenceResource($class, false)); |
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| 443 | $container->addResource(new FileExistenceResource($rPath = $r->getFileName())); |
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| 444 | $container->addResource(new FileResource($rPath)); |
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| 445 | } |
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| 446 | |||
| 447 | if ($r->isInstantiable()) { |
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| 448 | return $class; |
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| 449 | } |
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| 450 | |||
| 451 | return null; |
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| 452 | } |
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| 453 | |||
| 454 | private function createErrorException(string $name, \Throwable $e): \BadMethodCallException |
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| 455 | { |
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| 456 | if (!\str_starts_with($e->getMessage(), 'Call to undefined method')) { |
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| 457 | throw $e; |
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| 458 | } |
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| 459 | |||
| 460 | $hint = ObjectHelpers::getSuggestion(\array_merge( |
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| 461 | \get_class_methods($this), |
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| 462 | \get_class_methods(Definition::class), |
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| 463 | ), $name); |
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| 464 | |||
| 465 | return new \BadMethodCallException(\sprintf('Call to undefined method %s::%s()' . ($hint ? ", did you mean $hint()?" : '.'), __CLASS__, $name), 0, $e); |
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| 466 | } |
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| 467 | |||
| 468 | private function createInitializingError(string $name): \LogicException |
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| 471 | } |
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| 472 | } |
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| 473 |
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