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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 Go\ParserReflection\Traits\ReflectionFunctionLikeTrait; |
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use PhpParser\Node\Stmt\Function_; |
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use ReflectionFunction as BaseReflectionFunction; |
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/** |
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* AST-based reflection for function |
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*/ |
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class ReflectionFunction extends BaseReflectionFunction |
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{ |
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use ReflectionFunctionLikeTrait; |
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/** |
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* Initializes reflection instance for given AST-node |
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* |
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* @param string|\Closure $functionName The name of the function to reflect or a closure. |
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* @param Function_|null $functionNode Function node AST |
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*/ |
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public function __construct($functionName, Function_ $functionNode) |
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{ |
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$namespaceParts = explode('\\', $functionName); |
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// Remove the last one part with function name |
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array_pop($namespaceParts); |
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$this->namespaceName = join('\\', $namespaceParts); |
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$this->functionLikeNode = $functionNode; |
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} |
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/** |
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* Emulating original behaviour of reflection |
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*/ |
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public function __debugInfo() |
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{ |
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$nodeName = 'unknown'; |
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if ($this->functionLikeNode instanceof Function_) { |
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$nodeName = $this->functionLikeNode->name; |
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} |
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return ['name' => $nodeName]; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getClosure() |
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{ |
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$this->initializeInternalReflection(); |
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return parent::getClosure(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function invoke($args = null) |
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{ |
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$this->initializeInternalReflection(); |
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return call_user_func_array('parent::invoke', func_get_args()); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function invokeArgs(array $args) |
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{ |
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$this->initializeInternalReflection(); |
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return parent::invokeArgs($args); |
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} |
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/** |
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* Checks if function is disabled |
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* |
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* Only internal functions can be disabled using disable_functions directive. |
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* User-defined functions are unaffected. |
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*/ |
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public function isDisabled() |
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{ |
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if (!$this->isInternal()) { |
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return false; |
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} |
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$disabledFunctions = explode(',', ini_get('disable_functions')); |
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$disabledFunctions = array_map('trim', $disabledFunctions); |
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return in_array($this->getName(), $disabledFunctions); |
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} |
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/** |
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* Returns textual representation of function |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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$paramFormat = ($this->getNumberOfParameters() > 0) ? "\n\n - Parameters [%d] {%s\n }" : ''; |
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$reflectionFormat = "Function [ <user> function %s ] {\n @@ %s %d - %d{$paramFormat}\n}\n"; |
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return sprintf( |
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$reflectionFormat, |
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$this->getName(), |
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$this->getFileName(), |
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$this->getStartLine(), |
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$this->getEndLine(), |
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count($this->getParameters()), |
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array_reduce($this->getParameters(), function ($str, ReflectionParameter $param) { |
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return $str . "\n " . $param; |
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}, '') |
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); |
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} |
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/** |
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* Implementation of internal reflection initialization |
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* |
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* @return void |
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*/ |
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protected function __initialize() |
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{ |
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parent::__construct($this->getName()); |
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} |
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} |
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goaop /
parser-reflection
