Completed
Pull Request — master (#429)
by Alexander
21:54
created

StaticClosureMethodInvocation::getScope()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 5
ccs 0
cts 0
cp 0
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 0
crap 2
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<?php
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declare(strict_types = 1);
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/*
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 * Go! AOP framework
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 *
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 * @copyright Copyright 2015, Lisachenko Alexander <[email protected]>
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 *
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 * This source file is subject to the license that is bundled
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 * with this source code in the file LICENSE.
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 */
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namespace Go\Aop\Framework;
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use Closure;
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/**
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 * Static closure method invocation is responsible to call static methods via closure
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 */
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final class StaticClosureMethodInvocation extends AbstractMethodInvocation
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{
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    /**
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     * Closure to use
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     *
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     * @var Closure
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     */
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    protected $closureToCall;
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    /**
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     * Previous scope of invocation
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     *
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     * @var null|string
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     */
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    protected $previousScope;
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    /**
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     * Proceeds all registered advices for the static method and returns an invocation result
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     */
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    public function proceed()
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    {
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        if (isset($this->advices[$this->current])) {
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            $currentInterceptor = $this->advices[$this->current++];
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            return $currentInterceptor->invoke($this);
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        }
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        // Rebind the closure if scope (class name) was changed since last time
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        if ($this->previousScope !== $this->scope) {
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            if ($this->closureToCall === null) {
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                $this->closureToCall = static::getStaticInvoker($this->reflectionMethod->class, $this->reflectionMethod->name);
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            }
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            $this->closureToCall = $this->closureToCall->bindTo(null, $this->scope);
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            $this->previousScope = $this->scope;
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        }
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        return ($this->closureToCall)($this->arguments);
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    }
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    /**
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     * Returns static method invoker for the concrete method in the class
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     */
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    protected static function getStaticInvoker(string $className, string $methodName): Closure
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    {
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        return function (array $args) use ($className, $methodName) {
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            return forward_static_call_array([$className, $methodName], $args);
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        };
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    }
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    /**
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     * Checks if the current joinpoint is dynamic or static
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     *
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     * Dynamic joinpoint contains a reference to an object that can be received via getThis() method call
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     *
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     * @see ClassJoinpoint::getThis()
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     */
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    final public function isDynamic(): bool
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    {
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        return false;
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    }
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    /**
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     * Returns the object for which current joinpoint is invoked
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     *
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     * @return object Instance of object or null for static call/unavailable context
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     */
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    final public function getThis(): ?object
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    {
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        return null;
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    }
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    /**
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     * Returns the static scope name (class name) of this joinpoint.
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     */
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    final public function getScope(): string
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    {
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        // $this->scope contains the current class scope that was received via static::class
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        return $this->scope;
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    }
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}
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