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<?php |
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namespace Desmond\functions\core; |
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use Desmond\functions\DesmondFunction; |
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use Desmond\ArgumentHelper; |
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use Desmond\TypeHelper; |
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use Desmond\exceptions\ArgumentException; |
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class DotProperty implements DesmondFunction |
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{ |
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use ArgumentHelper; |
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use TypeHelper; |
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public function id() |
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{ |
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return '.property'; |
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} |
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public function run(array $args) |
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{ |
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$this->checkArgs($args); |
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$object = $args[0]->value(); |
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$property = $args[1]->value(); |
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if (isset($args[2])) { |
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$this->setProperty($object, $property, $args[2]); |
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} |
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return $this->getProperty($object, $property); |
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} |
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private function checkArgs($args) |
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{ |
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$this->expectArguments( |
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'.property', |
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[ |
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0 => ['Object', 'String', 'Symbol'], |
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1 => ['Symbol', 'String'] |
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], |
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$args |
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); |
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} |
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private function getProperty($object, $property) |
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{ |
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if (!property_exists($object, $property)) { |
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return $this->newReturnType('Nil'); |
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} |
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return is_string($object) |
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? TypeHelper::fromPhpType($object::$$property) |
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: TypeHelper::fromPhpType($object->$property); |
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} |
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private function getStaticProperty($object, $property) |
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{ |
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// Isn't this the cutest thing... |
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return TypeHelper::fromPhpType($object::$$property); |
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} |
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private function getInstanceProperty($object, $property) |
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{ |
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if (!property_exists($object, $property)) { |
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return $this->newReturnType('Nil'); |
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} |
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return TypeHelper::fromPhpType($object->$property); |
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} |
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private function setProperty($object, $property, $value) |
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{ |
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if (is_string($object)) { |
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throw new ArgumentException('.property: Static properties cannot be set from an external context.'); |
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} |
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$object->$property = $value->value(); |
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return $this->newReturnType('Void'); |
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} |
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} |
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Archer70 /
desmond
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