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<?php |
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declare(strict_types=1); |
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/** |
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* @author SignpostMarv |
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*/ |
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namespace SignpostMarv\DaftInterfaceCollector; |
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use Generator; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use Traversable; |
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class StaticMethodCollector |
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{ |
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/** |
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* @var array<string, array<int, string>> |
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*/ |
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private $staticMethods; |
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/** |
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* @var string[] |
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*/ |
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private $interfaces = []; |
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/** |
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* @var array<int, string> |
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*/ |
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private $processedSources = []; |
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/** |
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* @var string[] |
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*/ |
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private $alreadyYielded = []; |
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/** |
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* @var bool |
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*/ |
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private $autoResetProcessedSources; |
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public function __construct( |
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array $staticMethods, |
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array $interfaces, |
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bool $autoResetProcessedSources = true |
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) { |
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/** |
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* @var array<string, array<int, string>> $filtered |
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*/ |
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$filtered = []; |
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/** |
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* @var string $interface |
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* @var array<string, array<int, string>> $methods |
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*/ |
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foreach ( |
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array_filter( |
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$staticMethods, |
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[$this, 'shouldContainInterfaces'], |
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ARRAY_FILTER_USE_KEY |
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) as $interface => $methods |
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) { |
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$ref = new ReflectionClass($interface); |
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$filtered[$interface] = $this->FilterMethods($ref, $methods); |
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} |
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/** |
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* @var array<string, array<int, string>> $filtered |
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*/ |
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$filtered = array_filter($filtered, function (array $methods) : bool { |
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return count($methods) > 0; |
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}); |
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/** |
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* @var string[] $filteredInterfaces |
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*/ |
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$filteredInterfaces = array_filter($interfaces, [$this, 'shouldContainInterfaces']); |
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$this->interfaces = $filteredInterfaces; |
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$this->staticMethods = $filtered; |
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$this->autoResetProcessedSources = $autoResetProcessedSources; |
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} |
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public function Collect(string ...$implementations) : Generator |
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{ |
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if ($this->autoResetProcessedSources) { |
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$this->processedSources = []; |
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$this->alreadyYielded = []; |
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} |
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yield from $this->CollectInterfaces(...$implementations); |
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} |
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protected function CollectInterfaces(string ...$implementations) : Generator |
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{ |
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/** |
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* @var string[] $interfaces |
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*/ |
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$interfaces = array_keys($this->staticMethods); |
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foreach (array_filter($implementations, 'class_exists') as $implementation) { |
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if ( |
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in_array($implementation, $this->processedSources, true) || |
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in_array($implementation, $this->alreadyYielded, true) |
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) { |
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continue; |
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} |
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$this->processedSources[] = $implementation; |
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/** |
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* @var string $interface |
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*/ |
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foreach ($this->interfaces as $interface) { |
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if (is_a($implementation, $interface, true)) { |
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yield $implementation; |
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$this->alreadyYielded[] = $implementation; |
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break; |
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} |
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} |
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foreach ($interfaces as $interface) { |
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if (is_a($implementation, $interface, true)) { |
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/** |
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* @var array<int, string> $types |
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*/ |
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foreach ($this->staticMethods[$interface] as $method => $types) { |
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/** |
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* @var iterable<string> $methodResult |
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*/ |
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$methodResult = $implementation::$method(); |
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/** |
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* @var string $result |
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*/ |
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foreach ($methodResult as $result) { |
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if (in_array($result, $this->alreadyYielded, true)) { |
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continue; |
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} |
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foreach ($types as $type) { |
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if (is_a($result, $type, true)) { |
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yield $result; |
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$this->alreadyYielded[] = $result; |
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continue; |
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} |
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} |
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foreach ($interfaces as $checkResultWithInterface) { |
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if (is_a($result, $checkResultWithInterface, true)) { |
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yield from $this->CollectInterfaces($result); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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/** |
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* @param mixed $maybe |
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*/ |
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protected function shouldContainInterfaces($maybe) : bool |
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{ |
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return is_string($maybe) && interface_exists($maybe); |
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} |
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/** |
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* @param array<string, array<int, string>> $methods |
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*/ |
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private function FilterMethods(ReflectionClass $ref, array $methods) : array |
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{ |
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$methods = array_filter( |
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$methods, |
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/** |
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* @param mixed $maybe |
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*/ |
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function ($maybe) use ($ref) : bool { |
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if (is_string($maybe) && $ref->hasMethod($maybe)) { |
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/** |
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* @var ReflectionMethod $refMethod |
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*/ |
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$refMethod = $ref->getMethod($maybe); |
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if ( |
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$refMethod->isStatic() && |
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$refMethod->isPublic() && |
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0 === $refMethod->getNumberOfRequiredParameters() && |
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$refMethod->hasReturnType() |
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) { |
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/** |
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* @var \ReflectionType $refReturn |
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*/ |
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$refReturn = $refMethod->getReturnType(); |
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$refReturnName = $refReturn->__toString(); |
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return |
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'array' === $refReturnName || |
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is_a($refReturnName, Traversable::class, true); |
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} |
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} |
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return false; |
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}, |
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ARRAY_FILTER_USE_KEY |
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); |
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return array_map( |
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function (array $methodInterfaces) : array { |
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return array_filter($methodInterfaces, [$this, 'shouldContainInterfaces']); |
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}, |
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$methods |
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); |
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} |
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} |
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SignpostMarv /
daft-interface-collector
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