Desmond\functions\core\DotProperty

Complexity

Total Complexity

9

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	id()	0	4	1
A	run()	0	12	2
A	getProperty()	0	9	3
A	setProperty()	0	8	2
A	checkArgs()	0	11	1

<?php
namespace Desmond\functions\core;
use Desmond\functions\DesmondFunction;
use Desmond\ArgumentHelper;
use Desmond\TypeHelper;
use Desmond\exceptions\ArgumentException;

class DotProperty extends DesmondFunction
{
    use ArgumentHelper;
    use TypeHelper;

    public function id()
    {
        return '.property';
    }

    public function run(array $args)
    {
        $this->checkArgs($args);
        $object = $args[0]->value();
        $property = $args[1]->value();

        if (isset($args[2])) {
            $this->setProperty($object, $property, $args[2]);
        }

        return $this->getProperty($object, $property);
    }

    private function checkArgs($args)
    {
        $this->expectArguments(
            '.property',
            [
                0 => ['Object', 'String', 'Symbol'],
                1 => ['Symbol', 'String']
            ],
            $args
        );
    }

    private function getProperty($object, $property)
    {
        if (!property_exists($object, $property)) {
            return $this->newReturnType('Nil');
        }
        return is_string($object)
            ? TypeHelper::fromPhpType($object::$$property)
            : TypeHelper::fromPhpType($object->$property);
    }

    private function setProperty($object, $property, $value)
    {
        if (is_string($object)) {
            throw new ArgumentException('.property: Static properties cannot be set from an external context.');
        }
        $object->$property = $value->value();
        return $this->newReturnType('Void');
    }
}