Completed
Push — master ( f0de6b...b60992 )
by Marcel
02:00
created

MiddlewareStack::compose()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 2
dl 0
loc 9
ccs 5
cts 5
cp 1
crap 2
rs 10
c 0
b 0
f 0
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<?php
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declare(strict_types=1);
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namespace UMA\JsonRpc\Internal;
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use stdClass;
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use UMA\JsonRpc;
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final class MiddlewareStack implements JsonRpc\Procedure
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{
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    /**
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     * @var JsonRpc\Middleware
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     */
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    private $middleware;
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    /**
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     * @var JsonRpc\Procedure
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     */
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    private $next;
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    public static function compose(JsonRpc\Procedure $bottom, JsonRpc\Middleware ...$middlewares): JsonRpc\Procedure
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    {
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        $stack = $bottom;
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        foreach ($middlewares as $middleware) {
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            $stack = new self($middleware, $stack);
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        }
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        return $stack;
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    }
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    private function __construct(JsonRpc\Middleware $middleware, JsonRpc\Procedure $next)
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    {
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        $this->middleware = $middleware;
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        $this->next = $next;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function __invoke(JsonRpc\Request $request): JsonRpc\Response
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    {
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        return ($this->middleware)($request, $this->next);
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function getSpec(): ?stdClass
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    {
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        return null;
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    }
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}
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