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<?php |
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/* |
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* This file is part of the Abstract builder package, an RunOpenCode project. |
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* |
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* (c) 2017 RunOpenCode |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace RunOpenCode\AbstractBuilder\Ast\Metadata; |
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use PhpParser\Node\Stmt\Trait_; |
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use RunOpenCode\AbstractBuilder\Exception\InvalidArgumentException; |
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use RunOpenCode\AbstractBuilder\Exception\RuntimeException; |
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use RunOpenCode\AbstractBuilder\Utils\ClassUtils; |
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/** |
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* Class TraitMetadata |
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* |
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* @package RunOpenCode\AbstractBuilder\Ast\Metadata |
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*/ |
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class TraitMetadata |
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{ |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* @var TraitMetadata[] |
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*/ |
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private $traits; |
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/** |
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* @var MethodMetadata[] |
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*/ |
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private $methods; |
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/** |
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* @var Trait_ |
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*/ |
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private $ast; |
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public function __construct($name, array $traits = [], array $methods = [], Trait_ $ast = null) |
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{ |
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$this->name = $name; |
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if (!ClassUtils::isClassNameValid($this->name)) { |
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throw new InvalidArgumentException(sprintf('Provided full qualified class name "%s" is not valid PHP trait name.', $this->fqcn)); |
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} |
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$this->traits = $traits; |
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$this->methods = $methods; |
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$this->ast = $ast; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasTraits() |
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{ |
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return count($this->traits) > 0; |
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} |
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/** |
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* @return TraitMetadata[] |
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*/ |
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public function getTraits() |
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{ |
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return $this->traits; |
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} |
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/** |
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* @return MethodMetadata[] |
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*/ |
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public function getMethods() |
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{ |
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return $this->methods; |
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} |
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/** |
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* Check if trait has method, with optional trait traverse. |
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* |
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* @param string $name |
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* @param bool $traverse |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public function hasMethod($name, $traverse = true) |
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{ |
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foreach ($this->methods as $method) { |
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if ($name === $method->getName()) { |
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return true; |
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} |
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} |
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if ($traverse && $this->hasTraits()) { |
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/** |
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* @var TraitMetadata $trait |
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*/ |
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foreach ($this->traits as $trait) { |
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if ($trait->hasMethod($name, $traverse)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Check if trait has public method, with optional trait traverse. |
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* |
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* @param string $name |
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* @param bool $traverse |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public function hasPublicMethod($name, $traverse = true) |
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{ |
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foreach ($this->methods as $method) { |
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if ($name === $method->getName()) { |
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return $method->isPublic(); |
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} |
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} |
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if ($traverse && $this->hasTraits()) { |
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/** |
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* @var TraitMetadata $trait |
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*/ |
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foreach ($this->traits as $trait) { |
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if ($trait->hasPublicMethod($name, $traverse)) { |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Get public method for trait, with optional trait traverse. |
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* |
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* @param string $name |
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* @param bool $traverse |
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* |
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* @return MethodMetadata |
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* |
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* @throws \RunOpenCode\AbstractBuilder\Exception\RuntimeException |
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*/ |
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public function getPublicMethod($name, $traverse = true) |
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{ |
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View Code Duplication |
foreach ($this->methods as $method) { |
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if ($name === $method->getName()) { |
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if ($method->isPublic()) { |
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return $method; |
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} |
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throw new RuntimeException(sprintf('Method "%s()" for trait "%s" exists, but it is not public.', $name, $this->name)); |
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} |
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} |
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View Code Duplication |
if ($traverse && $this->hasTraits()) { |
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/** |
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* @var TraitMetadata $trait |
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*/ |
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foreach ($this->traits as $trait) { |
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if ($trait->hasPublicMethod($name, $traverse)) { |
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return $trait->getPublicMethod($name, $traverse); |
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} |
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} |
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} |
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throw new RuntimeException(sprintf('Method "%s()" for trait "%s" does not exists.', $name, $this->name)); |
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} |
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/** |
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* @return Trait_ |
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*/ |
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public function getAst() |
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{ |
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return $this->ast; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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return $this->getName(); |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: