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<?php |
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/** |
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* This file is part of the Version package. |
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* |
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* Copyright (c) Nikola Posa <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace Version\Constraint; |
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use Version\Version; |
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use Version\Exception\InvalidCompositeConstraintException; |
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/** |
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* @author Nikola Posa <[email protected]> |
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*/ |
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class CompositeConstraint implements ConstraintInterface |
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{ |
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const TYPE_AND = 'AND'; |
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const TYPE_OR = 'OR'; |
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/** |
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* @var string |
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*/ |
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protected $type; |
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/** |
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* @var ConstraintInterface[] |
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*/ |
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protected $constraints; |
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private function __construct() |
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{ |
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} |
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/** |
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* @param string $type |
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* @param array $constraints |
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* @return self |
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*/ |
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public static function fromProperties($type, array $constraints) |
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{ |
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if (!in_array($type, [self::TYPE_AND, self::TYPE_OR])) { |
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throw InvalidCompositeConstraintException::forType($type); |
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} |
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foreach ($constraints as $constraint) { |
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if (!$constraint instanceof ConstraintInterface) { |
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throw InvalidCompositeConstraintException::forConstraint($constraint); |
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} |
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} |
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$compositeConstraint = new self(); |
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$compositeConstraint->type = $type; |
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$compositeConstraint->constraints = $constraints; |
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return $compositeConstraint; |
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} |
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/** |
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* @param array $constraints |
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* @return self |
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*/ |
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public static function fromAndConstraints(array $constraints) |
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{ |
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return self::fromProperties(self::TYPE_AND, $constraints); |
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} |
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/** |
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* @param array $constraints |
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* @return self |
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*/ |
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public static function fromOrConstraints(array $constraints) |
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{ |
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return self::fromProperties(self::TYPE_OR, $constraints); |
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} |
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/** |
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* @return string |
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*/ |
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public function getType() |
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{ |
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return $this->type; |
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} |
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/** |
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* @return array |
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*/ |
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public function getConstraints() |
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{ |
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return $this->constraints; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function assert(Version $version) |
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{ |
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if ($this->type == self::TYPE_AND) { |
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return $this->assertAnd($version); |
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} |
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return $this->assertOr($version); |
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} |
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protected function assertAnd(Version $version) |
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{ |
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foreach ($this->constraints as $constraint) { |
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/* @var $constraint ConstraintInterface */ |
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if (!$constraint->assert($version)) { |
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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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protected function assertOr(Version $version) |
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{ |
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foreach ($this->constraints as $constraint) { |
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/* @var $constraint ConstraintInterface */ |
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if ($constraint->assert($version)) { |
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return true; |
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} |
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1 |
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} |
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1 |
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return false; |
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} |
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} |
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nikolaposa /
version
