HasInheritance::fetch()

Test Failed

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by Kirill

created 2018-08-08 13:03 UTC

↳ Parent: HasInheritance

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<?php
/**
 * This file is part of Railt package.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
declare(strict_types=1);

namespace Railt\Reflection\Definition\Behaviour;

use Railt\Reflection\Contracts\Definition\Behaviour\ProvidesInheritance;
use Railt\Reflection\Contracts\Definition\TypeDefinition;

/**
 * Trait HasInheritance
 */
trait HasInheritance
{
    /**
     * @var string|null
     */
    protected $extends;

    /**
     * @var string[]|array
     */
    protected $extendedBy = [];

    /**
     * @param string|TypeDefinition $type
     * @return TypeDefinition
     */
    abstract protected function fetch($type): TypeDefinition;

    /**
     * @return iterable|TypeDefinition[]
     */
    public function inheritedBy(): iterable
    {
        foreach ($this->extendedBy as $parent) {
            yield $this->fetch($parent);
        }
    }

    /**
     * @return null|TypeDefinition
     */
    public function getInheritedParent(): ?TypeDefinition
    {
        return $this->extends ? $this->fetch($this->extends) : null;
    }

    /**
     * @return bool
     */
    public function hasInheritance(): bool
    {
        return $this->extends !== null;
    }

    /**
     * @param TypeDefinition|string $definition
     * @return ProvidesInheritance|$this
     */
    public function extends($definition): ProvidesInheritance
    {
        $this->extends = $this->nameOf($definition);
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}

        if ($definition instanceof ProvidesInheritance) {
            /** @var HasInheritance $definition */
            $definition->extendedBy[] = $this->extends;
        }

        return $this;
    }

    /**
     * @param TypeDefinition|string $definition
     * @return ProvidesInheritance|$this
     */
    public function extendsBy($definition): ProvidesInheritance
    {
        /** @var HasInheritance $definition */
        $definition = $this->fetch($definition);

        $definition->extends($this);

        return $this;
    }

    /**
     * @param TypeDefinition|string $type
     * @return bool
     */
    public function extendsOf($type): bool
    {
        return $this->extends === $this->nameOf($type);
trait Idable {
    public function equalIds(Idable $other) {
        return $this->getId() === $other->getId();
    }
}
    }

    /**
     * @param TypeDefinition|string $type
     * @return bool
     */
    public function instanceOf($type): bool
    {
        $context = $this->extends;

        while ($context) {
            /** @var TypeDefinition $context */
            $context = $this->fetch($context);

            if ($context->extendsOf($type)) {
                return true;
            }

            $context = $context->getInheritedParent();
        }

        return false;
    }
}


1		<?php
2		/**
3		* This file is part of Railt package.
4		*
5		* For the full copyright and license information, please view the LICENSE
6		* file that was distributed with this source code.
7		*/
8		declare(strict_types=1);
9
10		namespace Railt\Reflection\Definition\Behaviour;
11
12		use Railt\Reflection\Contracts\Definition\Behaviour\ProvidesInheritance;
13		use Railt\Reflection\Contracts\Definition\TypeDefinition;
14
15		/**
16		* Trait HasInheritance
17		*/
18		trait HasInheritance
19		{
20		/**
21		* @var string\|null
22		*/
23		protected $extends;
24
25		/**
26		* @var string[]\|array
27		*/
28		protected $extendedBy = [];
29
30		/**
31		* @param string\|TypeDefinition $type
32		* @return TypeDefinition
33		*/
34		abstract protected function fetch($type): TypeDefinition;
35
36		/**
37		* @return iterable\|TypeDefinition[]
38		*/
39		public function inheritedBy(): iterable
40		{
41		foreach ($this->extendedBy as $parent) {
42		yield $this->fetch($parent);
43		}
44		}
45
46		/**
47		* @return null\|TypeDefinition
48		*/
49	8	public function getInheritedParent(): ?TypeDefinition
50		{
51	8	return $this->extends ? $this->fetch($this->extends) : null;
52		}
53
54		/**
55		* @return bool
56		*/
57		public function hasInheritance(): bool
58		{
59		return $this->extends !== null;
60		}
61
62		/**
63		* @param TypeDefinition\|string $definition
64		* @return ProvidesInheritance\|$this
65		*/
66		public function extends($definition): ProvidesInheritance
67	89	{
68		$this->extends = $this->nameOf($definition);
		0 ignored issues – show Bug introduced 2018-08-06 10:27 UTC by Report Bug Copy Issue Report It seems like `nameOf()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
69	89
70		if ($definition instanceof ProvidesInheritance) {
71	89	/** @var HasInheritance $definition */
72	89	$definition->extendedBy[] = $this->extends;
73		}
74
75	89	return $this;
76		}
77
78		/**
79		* @param TypeDefinition\|string $definition
80		* @return ProvidesInheritance\|$this
81	89	*/
82		public function extendsBy($definition): ProvidesInheritance
83	89	{
84	89	/** @var HasInheritance $definition */
85		$definition = $this->fetch($definition);
86
87		$definition->extends($this);
88
89		return $this;
90	8	}
91
92	8	/**
93		* @param TypeDefinition\|string $type
94	8	* @return bool
95	8	*/
96		public function extendsOf($type): bool
97		{
98	8	return $this->extends === $this->nameOf($type);
		0 ignored issues – show Bug introduced 2018-08-08 13:06 UTC by Report Bug Copy Issue Report It seems like `nameOf()` must be provided by classes using this trait. How about adding it as abstract method to this trait? This check looks for methods that are used by a trait but not required by it. To illustrate, let’s look at the following code example trait Idable { public function equalIds(Idable $other) { return $this->getId() === $other->getId(); } } The trait `Idable` provides a method `equalsId` that in turn relies on the method `getId()`. If this method does not exist on a class mixing in this trait, the method will fail. Adding the `getId()` as an abstract method to the trait will make sure it is available. Loading history...
99		}
100
101		/**
102		* @param TypeDefinition\|string $type
103		* @return bool
104		*/
105		public function instanceOf($type): bool
106		{
107		$context = $this->extends;
108
109		while ($context) {
110		/** @var TypeDefinition $context */
111		$context = $this->fetch($context);
112
113		if ($context->extendsOf($type)) {
114		return true;
115		}
116
117		$context = $context->getInheritedParent();
118		}
119
120		return false;
121		}
122		}
123

railt / reflection

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