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<?php |
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declare(strict_types=1); |
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namespace BrenoRoosevelt\PhpAttributes; |
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use ArrayIterator; |
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use Attribute; |
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use BrenoRoosevelt\PhpAttributes\Specification\AttributeName; |
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use BrenoRoosevelt\PhpAttributes\Specification\AttributeTarget; |
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use Countable; |
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use IteratorAggregate; |
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use ReflectionAttribute; |
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use function array_filter; |
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use function array_map; |
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use function count; |
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class Attributes implements IteratorAggregate, Countable |
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{ |
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/** @var ParsedAttribute[] */ |
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private array $attributes; |
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final public function __construct(ParsedAttribute ...$attributes) |
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{ |
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$this->attributes = $attributes; |
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} |
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public static function from( |
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object|string|array $class, |
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int $target = Attribute::TARGET_ALL, |
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string $attribute = null, |
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int $flags = 0 |
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): Attributes { |
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return (new AttributesFactory)->from($class, $target, $attribute, $flags); |
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} |
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public function filter(callable $fn): self |
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{ |
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return new self(...array_filter($this->attributes, $fn)); |
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} |
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public function merge(self $attributes) :self |
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{ |
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$merged = array_merge($this->attributes, $attributes->attributes); |
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return new self(...$merged); |
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} |
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public function add(ParsedAttribute ...$attributes) :self |
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{ |
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$new = $this->attributes; |
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foreach ($attributes as $attribute) { |
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$new[] = $attribute; |
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} |
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return new self(...$new); |
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} |
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public function where(Specification $specification): self |
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{ |
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return $this->filter(fn(ParsedAttribute $attribute) => $specification->isSatisfiedBy($attribute)); |
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} |
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public function whereAttribute(string $attributeName): self |
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{ |
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return $this->where(new AttributeName($attributeName)); |
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} |
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public function whereTarget(int $target): self |
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{ |
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return $this->where(new AttributeTarget($target)); |
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} |
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public function first(): self |
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{ |
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return $this->isEmpty() ? new self() : new self($this->attributes[0]); |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->attributes); |
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} |
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public function instances(): array |
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{ |
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return array_map( |
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fn(ParsedAttribute $attribute) => $attribute->attribute()->newInstance(), |
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$this->attributes |
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); |
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} |
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public function firstInstance(mixed $default = null): mixed |
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{ |
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return isset($this->attributes[0]) ? $this->attributes[0]->attribute()->newInstance() : $default; |
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} |
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/** |
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* @return ReflectionAttribute[] |
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*/ |
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public function attributes(): array |
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{ |
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return array_map( |
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fn(ParsedAttribute $attribute) => $attribute->attribute(), |
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$this->attributes |
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); |
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} |
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public function targets(): array |
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{ |
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return array_map( |
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fn(ParsedAttribute $attribute) => $attribute->target(), |
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$this->attributes |
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); |
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} |
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public function hasAttribute(string $attributeName): bool |
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{ |
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return $this->whereAttribute($attributeName)->count() > 0; |
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} |
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public function hasMany(string $attributeName): bool |
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{ |
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return $this->whereAttribute($attributeName)->count() > 1; |
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} |
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public function hasTarget(int $target): bool |
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{ |
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return $this->whereTarget($target)->count() > 0; |
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} |
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public function count(): int |
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{ |
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return count($this->attributes); |
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} |
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/** |
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* @return ParsedAttribute[] |
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*/ |
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public function toArray(): array |
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{ |
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return $this->attributes; |
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} |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->attributes); |
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} |
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} |
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brenoroosevelt /
php-attributes
