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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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trait SupportsAnnotations |
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{ |
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protected static function inferValidTypes(): array |
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{ |
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return array_map( |
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fn(array $annotation): string => explode('::', $annotation['value'])[0], |
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static::getClassAnnotations('type') |
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); |
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} |
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/** @return callable[] */ |
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protected static function inferTypeFactories(): array |
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{ |
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$typeFactories = []; |
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foreach (static::getClassAnnotations('type') as $annotation) { |
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$callable = explode('::', $annotation['value']); |
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if (interface_exists($callable[0], false)) { |
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continue; //skip interfaces |
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} |
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if (!isset($callable[1]) && is_a($callable[0], FromNativeInterface::class, true)) { |
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$callable[1] = 'fromNative'; |
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} |
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Assertion::isCallable( |
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$callable, |
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sprintf("Type factory '%s' is not callable in '%s'.", $annotation['value'], static::class) |
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); |
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$typeFactories[$callable[0]] = $callable; |
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} |
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return $typeFactories; |
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} |
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/** @return callable[] */ |
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protected static function inferValueFactories(string ...$filter): array |
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{ |
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$valueFactories = []; |
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foreach (static::getClassAnnotations(...($filter ?: ['id', 'rev', 'map'])) as $annotation) { |
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list($property, $factory) = array_map('trim', explode(',', $annotation['value'])); |
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4 |
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$callable = explode('::', $factory); |
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4 |
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if (!isset($callable[1]) && is_a($callable[0], FromNativeInterface::class, true)) { |
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$callable[1] = 'fromNative'; |
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} |
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Assertion::isCallable( |
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$callable, |
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sprintf("Value factory '%s' is not callable in '%s'.", $factory, static::class) |
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); |
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$valueFactories[$property] = $callable; |
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} |
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return $valueFactories; |
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} |
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private static function getClassAnnotations(string ...$keys): array |
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{ |
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$annotations = $matches = []; |
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foreach (static::getInheritance() as $class) { |
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if (!($docComment = $class->getDocComment()) |
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|| !preg_match_all('/^[\s\*]+@(?<key>\w+)\((?<value>.+)\)$/m', $docComment, $matches, PREG_SET_ORDER) |
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) { |
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continue; |
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} |
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4 |
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foreach ($matches as $match) { |
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if (empty($keys) || in_array($match['key'], $keys)) { |
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$annotations[] = ['key' => trim($match['key']), 'value' => trim($match['value'])]; |
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} |
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} |
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} |
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return $annotations; |
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} |
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/** @return ReflectionClass[] */ |
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private static function getInheritance(): array |
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{ |
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$currentReflection = new ReflectionClass(static::class); |
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$reflectionClasses = array_merge([$currentReflection], static::flatMapTraits($currentReflection)); |
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while ($currentReflection = $currentReflection->getParentClass()) { |
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$reflectionClasses = array_merge( |
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$reflectionClasses, |
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[$currentReflection], |
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static::flatMapTraits($currentReflection) |
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); |
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} |
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return $reflectionClasses; |
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} |
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/** @return ReflectionClass[] */ |
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private static function flatMapTraits(ReflectionClass $reflectionClass): array |
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{ |
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$reflectionClasses = []; |
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foreach ($reflectionClass->getTraits() as $trait) { |
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$reflectionClasses = array_merge($reflectionClasses, [$trait], static::flatMapTraits($trait)); |
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} |
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return $reflectionClasses; |
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} |
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} |
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daikon-cqrs /
interop
