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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Injector; |
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use Generator; |
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use ReflectionFunctionAbstract; |
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/** |
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* Intermediate arguments resolving data to pass around until resolving is finished. |
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* |
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* @internal |
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*/ |
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final class ResolvingState |
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{ |
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private ReflectionFunctionAbstract $reflection; |
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/** |
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* @psalm-var array<int, object> |
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*/ |
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private array $numericArguments = []; |
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/** |
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* @psalm-var array<string, mixed> |
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*/ |
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private array $namedArguments = []; |
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private bool $shouldPushTrailingArguments; |
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/** |
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* @psalm-var list<mixed> |
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*/ |
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private array $resolvedValues = []; |
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/** |
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* @param ReflectionFunctionAbstract $reflection Function reflection. |
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* @param array $arguments User arguments. |
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*/ |
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public function __construct(ReflectionFunctionAbstract $reflection, array $arguments) |
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{ |
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$this->reflection = $reflection; |
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$this->shouldPushTrailingArguments = !$reflection->isInternal(); |
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$this->sortArguments($arguments); |
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} |
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public function hasNamedArgument(string $name): bool |
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{ |
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return array_key_exists($name, $this->namedArguments); |
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} |
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/** |
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* @param bool $condition If true then trailing arguments will not be passed. |
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*/ |
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public function disablePushTrailingArguments(bool $condition): void |
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{ |
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$this->shouldPushTrailingArguments = $this->shouldPushTrailingArguments && !$condition; |
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} |
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/** |
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* @param mixed $value |
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*/ |
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public function addResolvedValue(&$value): void |
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{ |
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$this->resolvedValues[] = &$value; |
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} |
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public function resolveParameterByName(string $name, bool $variadic): bool |
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{ |
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if (!array_key_exists($name, $this->namedArguments)) { |
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return false; |
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} |
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if ($variadic && is_array($this->namedArguments[$name])) { |
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array_walk($this->namedArguments[$name], [$this, 'addResolvedValue']); |
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} else { |
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$this->addResolvedValue($this->namedArguments[$name]); |
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} |
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return true; |
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} |
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/** |
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* @psalm-param class-string|null $className |
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*/ |
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public function resolveParameterByClass(?string $className, bool $variadic): bool |
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{ |
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$generator = $this->pullNumericArgument($className); |
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if (!$variadic) { |
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if (!$generator->valid()) { |
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return false; |
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} |
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$value = $generator->current(); |
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$this->addResolvedValue($value); |
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return true; |
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} |
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foreach ($generator as &$value) { |
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$this->addResolvedValue($value); |
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} |
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return true; |
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} |
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/** |
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* Resolve parameter using type intersection rules. |
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* |
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* @psalm-param array<int, class-string> $classNames |
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*/ |
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public function resolveParameterByClasses(array $classNames, bool $variadic): bool |
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{ |
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$resolved = false; |
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foreach ($this->numericArguments as $key => &$argument) { |
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foreach ($classNames as $class) { |
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if (!$argument instanceof $class) { |
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continue 2; |
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} |
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} |
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unset($this->numericArguments[$key]); |
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$this->addResolvedValue($argument); |
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if (!$variadic) { |
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return true; |
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} |
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$resolved = true; |
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} |
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return $resolved; |
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} |
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public function getResolvedValues(): array |
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{ |
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return $this->shouldPushTrailingArguments |
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? [...$this->resolvedValues, ...$this->numericArguments] |
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: $this->resolvedValues; |
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} |
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/** |
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* @psalm-param class-string|null $className |
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* |
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* @psalm-return Generator<int, object, mixed, void> |
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*/ |
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private function &pullNumericArgument(?string $className): Generator |
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{ |
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foreach ($this->numericArguments as $key => &$value) { |
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if ($className === null || $value instanceof $className) { |
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unset($this->numericArguments[$key]); |
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yield $value; |
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} |
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} |
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} |
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/** |
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* @param array $arguments |
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* |
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* @throws InvalidArgumentException |
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*/ |
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private function sortArguments(array $arguments): void |
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{ |
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foreach ($arguments as $key => &$value) { |
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if (is_int($key)) { |
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if (!is_object($value)) { |
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throw new InvalidArgumentException($this->reflection, (string)$key); |
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} |
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$this->numericArguments[] = &$value; |
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} else { |
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$this->namedArguments[$key] = &$value; |
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} |
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} |
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} |
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} |
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yiisoft /
injector
