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<?php |
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declare(strict_types=1); |
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namespace Benrowe\Properties; |
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use Closure; |
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/** |
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* Defines a unique property |
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* |
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* @package Benrowe\Properties |
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* @todo add support for validating a property's value when being set |
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*/ |
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class Property |
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{ |
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private $name; |
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private $type = null; |
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private $default = null; |
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private $value = null; |
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private $setter; |
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private $getter; |
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/** |
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* Create a new Property Instance |
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* |
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* @param string $name |
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* @param string $type |
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* @param string $default |
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*/ |
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public function __construct(string $name, string $type = null, $default = null) |
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{ |
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$this->setName($name); |
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$this->setType($type); |
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$this->setDefault($default); |
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} |
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/** |
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* Set the property name |
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* @param string $name the name of the property |
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*/ |
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public function setName(string $name) |
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{ |
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// add name validation |
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$this->name = $name; |
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} |
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/** |
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* Get the property name |
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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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* Set the type for the property |
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* |
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* @param string $type |
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* @todo add support for interface/class checking! |
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*/ |
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public function setType($type) |
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{ |
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if ($type === null) { |
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// no type set |
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$this->type = null; |
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return $this; |
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} |
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$types = [ |
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'string', |
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'integer', |
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'float', |
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'boolean', |
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'array', |
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'object', |
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'null', |
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'resource', |
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]; |
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$type = strtolower($type); |
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if (!in_array($type, $types, true)) { |
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throw new PropertyException('Invalid type'); |
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} |
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$this->type = $type; |
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} |
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/** |
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* Get the property type |
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* @return string|null |
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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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* Set the default value of the property if nothing is explicitly set |
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* |
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* @param mixed $default |
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*/ |
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public function setDefault($default) |
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{ |
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$this->default = $default; |
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} |
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/** |
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* Get the default value |
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* |
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* @return mixed |
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*/ |
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public function getDefault() |
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{ |
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return $this->default; |
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} |
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/** |
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* Set the value against the property |
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* |
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* @param mixed $value |
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*/ |
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public function setValue($value) |
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{ |
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if ($this->setter) { |
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$value = call_user_func($this->setter, $value); |
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} |
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$this->value = $value; |
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} |
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/** |
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* Get the currently set value, if no value is set the default is used |
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* |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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if ($this->value === null) { |
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return $this->default; |
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} |
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$value = $this->value; |
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if ($this->getter) { |
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$value = call_user_func($this->getter, $value); |
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} |
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return $value; |
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} |
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/** |
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* Inject a custom closure to handle the storage of the value when it is |
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* set into the property |
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* @param Closure $setter the custom function to run when the value is |
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* being set |
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* @return self |
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*/ |
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public function setter(Closure $setter) |
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{ |
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$this->setter = $setter; |
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return $this; |
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} |
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/** |
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* Specify a custom closer to handle the retreival of the value stored |
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* against this property |
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* |
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* @param Closure $getter [description] |
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* @return self |
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*/ |
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public function getter(Closure $getter) |
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{ |
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$this->getter = $getter; |
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return $this; |
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} |
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} |
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benrowe /
properties
