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<?php declare(strict_types=1); |
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/** |
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* PHP version 7.2 |
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* |
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* This source file is subject to the license that is bundled with this package in the file LICENSE. |
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*/ |
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namespace PhUml\Code\Variables; |
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use PhUml\Code\Name; |
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use PhUml\Code\Named; |
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use PhUml\Code\WithName; |
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/** |
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* It represents a variable's type declaration |
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*/ |
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final class TypeDeclaration implements Named |
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{ |
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use WithName; |
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/** @var string[] All valid types for PHP 7.1, pseudo-types, and aliases */ |
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private static $builtInTypes = [ |
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'int', 'bool', 'string', 'array', 'float', 'callable', 'iterable', |
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// pseudo-types |
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'mixed', 'number', 'object', 'resource', 'self', |
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// aliases |
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'boolean', 'integer', 'double', |
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]; |
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213 |
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/** @var bool */ |
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private $isNullable; |
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213 |
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public static function absent(): TypeDeclaration |
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{ |
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return new TypeDeclaration(null); |
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} |
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249 |
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public static function from(?string $type): TypeDeclaration |
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{ |
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return new TypeDeclaration($type); |
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} |
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183 |
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public static function fromNullable(string $type): TypeDeclaration |
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{ |
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return new TypeDeclaration($type, true); |
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} |
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public function isPresent(): bool |
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{ |
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return $this->name !== null; |
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} |
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/** |
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* It helps building the relationships between classes/interfaces since built-in |
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* types are not part of a UML class diagram |
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* |
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* @see \PhUml\Code\Variables\WithTypeDeclaration::isAReference() for more details |
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*/ |
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public function isBuiltIn(): bool |
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117 |
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{ |
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$type = (string) $this->name; |
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117 |
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if ($this->isArray()) { |
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$type = $this->removeArraySuffix(); |
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} |
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return $this->isPresent() && \in_array($type, self::$builtInTypes, true); |
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} |
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public function isArray(): bool |
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{ |
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return strpos((string) $this->name, '[]') === \strlen((string) $this->name) - 2; |
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} |
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318 |
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public function isNullable(): bool |
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{ |
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return $this->isNullable; |
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} |
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93 |
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public function removeArraySuffix(): string |
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{ |
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return substr((string) $this->name, 0, -2); |
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} |
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public function __toString() |
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{ |
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return ($this->isNullable ? '?' : '') . $this->name; |
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} |
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private function __construct(?string $name, bool $isNullable = false) |
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{ |
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$this->name = $name !== null ? Name::from($name) : null; |
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$this->isNullable = $name !== null && $isNullable; |
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} |
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} |
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MontealegreLuis /
phuml
