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<?php |
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/** |
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* This file is part of Properties package. |
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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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declare(strict_types=1); |
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namespace Serafim\Properties\Attribute; |
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/** |
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* Class TypeHint |
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*/ |
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class TypeHint implements HintInterface |
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{ |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* @var bool |
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*/ |
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private $iterable; |
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/** |
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* @var Matchable[] |
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*/ |
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private $matchers = []; |
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/** |
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* TypeHint constructor. |
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* @param string $name |
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* @param bool $iterable |
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*/ |
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public function __construct(string $name, bool $iterable = false) |
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{ |
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$this->name = $name; |
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$this->iterable = $iterable; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isIterable(): bool |
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{ |
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return $this->iterable; |
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} |
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/** |
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* @param Matchable $matcher |
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* @return OrTypeHint |
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*/ |
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public function addMatcher(Matchable $matcher): Matchable |
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{ |
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$this->matchers[] = $matcher; |
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return $this; |
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} |
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/** |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function match($value): bool |
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{ |
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return $this->isIterable() ? $this->matchIterable($value) : $this->matchScalar($value); |
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} |
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/** |
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* @param iterable|mixed $values |
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* @return bool |
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*/ |
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private function matchIterable($values): bool |
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{ |
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if (! \is_iterable($values)) { |
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return false; |
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} |
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foreach ($values as $value) { |
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if (! $this->matchScalar($value)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @param mixed $value |
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* @return bool |
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*/ |
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private function matchScalar($value): bool |
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{ |
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switch (true) { |
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case $this->isBuiltin(): |
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return $this->matchBuiltin($value); |
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case $this->name === 'mixed': |
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return true; |
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case $this->name === 'null': |
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case $this->name === 'void': |
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return $value === null; |
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case \class_exists($this->name): |
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return $value instanceof $this->name; |
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default: |
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@\trigger_error('Unrecognized type-hint "' . $this->name . '"'); |
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return true; |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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private function isBuiltin(): bool |
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{ |
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return \function_exists('\\is_' . $this->name); |
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} |
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/** |
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* @param mixed $value |
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* @return bool |
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*/ |
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private function matchBuiltin($value): bool |
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{ |
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$function = '\\is_' . $this->name; |
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return $function($value); |
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} |
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} |
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SerafimArts /
Properties
If you suppress an error, we recommend checking for the error condition explicitly: