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<?php |
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/** |
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* Parser Reflection API |
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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\ParserReflection; |
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use PhpParser\Node; |
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use PhpParser\Node\Name\FullyQualified; |
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use PhpParser\Node\Stmt\Namespace_; |
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/** |
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* AST-based reflector for the source file |
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*/ |
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class ReflectionFile |
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{ |
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/** |
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* Name of the file for reflectino |
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* |
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* @var string |
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*/ |
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protected $fileName; |
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/** |
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* List of namespaces in the file |
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* |
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* @var ReflectionFileNamespace[]|array |
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*/ |
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protected $fileNamespaces; |
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/** |
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* Top-level nodes for the file |
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* |
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* @var Node[] |
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*/ |
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private $topLevelNodes; |
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/** |
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* ReflectionFile constructor. |
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* |
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* @param string $fileName Name of the file to reflect |
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* @param null|array|Node[] $topLevelNodes Optional corresponding list of AST nodes for that file |
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*/ |
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public function __construct($fileName, $topLevelNodes = null) |
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{ |
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$this->fileName = $fileName; |
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$this->topLevelNodes = $topLevelNodes ?: ReflectionEngine::parseFile($fileName); |
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} |
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/** |
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* Returns a namespace from the file or false if no such a namespace |
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* |
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* @param string $namespaceName |
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* |
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* @return bool|ReflectionFileNamespace |
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*/ |
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public function getFileNamespace($namespaceName) |
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{ |
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if ($this->hasFileNamespace($namespaceName)) { |
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return $this->fileNamespaces[$namespaceName]; |
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} |
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return false; |
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} |
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/** |
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* Gets the list of namespaces in the file |
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* |
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* @return array|ReflectionFileNamespace[] |
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*/ |
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public function getFileNamespaces() |
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{ |
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if (!isset($this->fileNamespaces)) { |
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$this->fileNamespaces = $this->findFileNamespaces(); |
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} |
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return $this->fileNamespaces; |
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} |
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/** |
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* Returns the name of current reflected file |
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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->fileName; |
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} |
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/** |
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* Returns the presence of namespace in the file |
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* |
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* @param string $namespaceName Namespace to check |
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* |
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* @return bool |
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*/ |
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public function hasFileNamespace($namespaceName) |
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{ |
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$namespaces = $this->getFileNamespaces(); |
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return isset($namespaces[$namespaceName]); |
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} |
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/** |
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* Searches for file namespaces in the given AST |
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* |
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* @return array|ReflectionFileNamespace[] |
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*/ |
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private function findFileNamespaces() |
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{ |
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$namespaces = array(); |
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// namespaces can be only top-level nodes, so we can scan them directly |
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foreach ($this->topLevelNodes as $topLevelNode) { |
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if ($topLevelNode instanceof Namespace_) { |
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$namespaceName = $topLevelNode->name ? $topLevelNode->name->toString() : '\\'; |
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$namespaces[$namespaceName] = new ReflectionFileNamespace( |
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$this->fileName, |
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$namespaceName, |
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$topLevelNode |
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); |
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} |
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} |
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if (!$namespaces) { |
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// if we don't have a namespaces at all, this is global namespace |
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$globalNamespaceNode = new Namespace_(new FullyQualified(''), $this->topLevelNodes); |
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$namespaces['\\'] = new ReflectionFileNamespace($this->fileName, '\\', $globalNamespaceNode); |
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} |
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return $namespaces; |
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} |
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} |
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goaop /
parser-reflection
