Failed Conditions
Pull Request — new-parser-ast-metadata (#4)
by Michael
05:13 queued 03:35
created

resolveStandaloneConstant()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 2.032

Importance

Changes 0
Metric Value
eloc 4
dl 0
loc 9
ccs 4
cts 5
cp 0.8
rs 10
c 0
b 0
f 0
cc 2
nc 2
nop 1
crap 2.032
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<?php
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declare(strict_types=1);
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namespace Doctrine\Annotations\Assembler\Constant;
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use Doctrine\Annotations\Assembler\Constant\Exception\ClassConstantNotFound;
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use Doctrine\Annotations\Assembler\Constant\Exception\ConstantNotAccessible;
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use Doctrine\Annotations\Assembler\Constant\Exception\ConstantResolutionException;
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use Doctrine\Annotations\Assembler\Constant\Exception\InvalidClass;
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use Doctrine\Annotations\Assembler\Constant\Exception\StandaloneConstantNotFound;
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use Doctrine\Annotations\Metadata\Reflection\ClassReflectionProvider;
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use ReflectionException;
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use function assert;
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use function constant;
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use function defined;
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use function strpos;
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final class ReflectionConstantResolver implements ConstantResolver
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{
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    /** @var ClassReflectionProvider */
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    private $classReflectionProvider;
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    public function __construct(ClassReflectionProvider $classReflectionProvider)
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    {
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        $this->classReflectionProvider = $classReflectionProvider;
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    }
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    /**
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     * @return mixed
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     *
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     * @throws ConstantResolutionException
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     */
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    public function resolveClassOrInterfaceConstant(string $holderName, string $constantName)
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    {
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        try {
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            $classReflection = $this->classReflectionProvider->getClassReflection($holderName);
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        } catch (ReflectionException $e) {
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            throw InvalidClass::new($holderName, $constantName);
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        }
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        $constantReflection = $classReflection->getReflectionConstant($constantName);
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        if ($constantReflection === false) {
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            throw ClassConstantNotFound::new($holderName, $constantName);
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        }
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        if (! $constantReflection->isPublic()) {
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            throw ConstantNotAccessible::new($holderName, $constantName);
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        }
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        return $constantReflection->getValue();
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    }
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    /**
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     * @return mixed
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     *
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     * @throws ConstantResolutionException
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     */
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    public function resolveStandaloneConstant(string $constantName)
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    {
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        assert(strpos($constantName, '::') === false);
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        if (! defined($constantName)) {
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            throw StandaloneConstantNotFound::new($constantName);
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        }
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        return constant($constantName);
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    }
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}
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