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<?php |
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namespace Psi\Component\ContentType\Metadata; |
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use Metadata\MergeableClassMetadata; |
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use Metadata\PropertyMetadata; |
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use Psi\Component\ContentType\Metadata\PropertyMetadata as PsiPropertyMetadata; |
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class ClassMetadata extends MergeableClassMetadata |
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{ |
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private $roles = []; |
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public function __construct( |
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$name |
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) { |
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parent::__construct($name); |
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} |
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public function getName() |
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{ |
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return $this->name; |
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} |
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public function getPropertyMetadata() |
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{ |
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return $this->propertyMetadata; |
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} |
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public function addPropertyMetadata(PropertyMetadata $metadata) |
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{ |
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$this->doAddPropertyMetadata($metadata); |
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} |
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public function hasPropertyByRole($role) |
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{ |
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return isset($this->roles[$role]); |
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} |
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public function getPropertyByRole($role) |
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{ |
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if (!isset($this->roles[$role])) { |
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throw new \InvalidArgumentException(sprintf( |
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'No property exists with role "%s"', |
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$role |
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)); |
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} |
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return $this->propertyMetadata[$this->roles[$role]]; |
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} |
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private function doAddPropertyMetadata(PsiPropertyMetadata $metadata) |
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{ |
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parent::addPropertyMetadata($metadata); |
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if (!$metadata->getRole()) { |
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return; |
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} |
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if (isset($this->roles[$metadata->getRole()])) { |
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$propertyName = $this->roles[$metadata->getRole()]; |
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throw new \InvalidArgumentException(sprintf( |
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'Role "%s" has already been assigned to property "%s" (on property "%s")', |
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$metadata->getRole(), $propertyName, $metadata->getName() |
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)); |
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} |
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$this->roles[$metadata->getRole()] = $metadata->name; |
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} |
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} |
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psiphp /
content-type
Loading history...
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: