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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/interop project. |
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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 Daikon\Interop; |
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use ReflectionClass; |
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use ReflectionParameter; |
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trait FromToNativeTrait |
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{ |
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/** @psalm-suppress MissingParamType */ |
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public static function fromNative($state): object |
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{ |
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Assertion::isArray($state, 'This trait only works with array state.'); |
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$classReflection = new ReflectionClass(static::class); |
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list($valueFactories, $product) = static::construct($classReflection, $state); |
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foreach ($valueFactories as $propertyName => $factory) { |
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if (array_key_exists($propertyName, $state)) { |
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$product->$propertyName = call_user_func($factory, $state[$propertyName]); |
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} elseif (is_a($factory[0], MakeEmptyInterface::class, true)) { |
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$product->$propertyName = call_user_func([$factory[0], 'makeEmpty']); |
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} |
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} |
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return $product; |
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} |
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public function toNative(): array |
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{ |
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$state = []; |
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$classReflection = new ReflectionClass($this); |
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foreach (static::getInheritanceTree($classReflection, true) as $currentClass) { |
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foreach ($currentClass->getProperties() as $property) { |
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$propertyName = $property->getName(); |
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if ($currentClass->isTrait()) { |
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$property = $classReflection->getProperty($propertyName); |
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} |
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$property->setAccessible(true); |
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$value = $property->getValue($this); |
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if (is_a($value, ToNativeInterface::class, true)) { |
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$state[$propertyName] = call_user_func([$value, 'toNative']); |
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} else { |
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$state[$propertyName] = $value; |
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} |
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} |
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} |
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return $state; |
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} |
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private static function construct(ReflectionClass $classReflection, array $payload): array |
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{ |
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$valueFactories = static::inferValueFactories($classReflection); |
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$constructor = $classReflection->getConstructor(); |
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if (is_null($constructor) || $constructor->getNumberOfParameters() === 0) { |
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/** @psalm-suppress TooFewArguments */ |
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return [$valueFactories, new static]; |
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} |
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$constructorArgs = []; |
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/** @var ReflectionParameter $constructorParam */ |
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foreach ($constructor->getParameters() as $constructorParam) { |
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$paramName = $constructorParam->getName(); |
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if (isset($payload[$paramName])) { |
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if (isset($valueFactories[$paramName])) { |
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$constructorArgs[] = call_user_func($valueFactories[$paramName], $payload[$paramName]); |
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unset($valueFactories[$paramName]); |
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} else { |
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$constructorArgs[] = $payload[$paramName]; |
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} |
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} elseif ($constructorParam->allowsNull()) { |
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$constructorArgs[] = null; |
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} else { |
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throw new InvalidArgumentException( |
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"Missing required value for key '$paramName' while constructing from native state." |
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); |
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} |
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} |
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/** @psalm-suppress TooManyArguments */ |
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return [$valueFactories, new static(...$constructorArgs)]; |
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} |
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private static function inferValueFactories(ReflectionClass $classReflection): array |
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{ |
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$valueFactories = []; |
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/** @var ReflectionClass $currentClass */ |
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foreach (static::getInheritanceTree($classReflection, true) as $currentClass) { |
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if (!($docComment = $currentClass->getDocComment())) { |
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continue; |
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} |
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preg_match_all('#@(?:id|rev|map)\(((.+),(.+))\)#', $docComment, $matches); |
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//@todo don't allow duplicate id/rev |
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foreach ($matches[2] as $index => $propertyName) { |
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$callable = array_map('trim', explode('::', $matches[3][$index])); |
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Assertion::isCallable( |
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$callable, |
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sprintf("Value factory '%s' is not callable in '%s'.", implode('::', $callable), static::class) |
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); |
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$valueFactories[$propertyName] = $callable; |
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} |
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} |
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return $valueFactories; |
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} |
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private static function getInheritanceTree(ReflectionClass $classReflection, bool $includeTraits = false): array |
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{ |
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$parent = $classReflection; |
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$classes = $includeTraits |
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? array_merge([$classReflection], static::flatMapTraits($classReflection)) |
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: [$classReflection]; |
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while ($parent = $parent->getParentClass()) { |
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$classes = $includeTraits |
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? array_merge($classes, [$parent], static::flatMapTraits($parent)) |
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: array_merge($classes, [$classReflection]); |
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} |
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return $classes; |
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} |
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private static function flatMapTraits(ReflectionClass $classReflection): array |
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{ |
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$traits = []; |
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$currentTrait = $classReflection; |
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foreach ($currentTrait->getTraits() as $trait) { |
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$traits = array_merge($traits, [$trait], static::flatMapTraits($trait)); |
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} |
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return $traits; |
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} |
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} |
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daikon-cqrs /
interop
This check compares calls to functions or methods with their respective definitions. If the call has more arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.