mirror of https://github.com/rectorphp/rector.git
115 lines
4.2 KiB
PHP
115 lines
4.2 KiB
PHP
<?php
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/**
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* This file is part of the Nette Framework (https://nette.org)
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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*/
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declare (strict_types=1);
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namespace RectorPrefix202404\Nette\Utils;
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use RectorPrefix202404\Nette;
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use function is_array, is_object, is_string;
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/**
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* PHP callable tools.
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*/
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final class Callback
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{
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use Nette\StaticClass;
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/**
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* Invokes internal PHP function with own error handler.
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* @return mixed
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*/
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public static function invokeSafe(string $function, array $args, callable $onError)
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{
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$prev = \set_error_handler(function ($severity, $message, $file) use($onError, &$prev, $function) : ?bool {
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if ($file === __FILE__) {
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$msg = \ini_get('html_errors') ? Html::htmlToText($message) : $message;
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$msg = \preg_replace("#^{$function}\\(.*?\\): #", '', $msg);
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if ($onError($msg, $severity) !== \false) {
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return null;
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}
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}
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return $prev ? $prev(...\func_get_args()) : \false;
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});
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try {
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return $function(...$args);
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} finally {
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\restore_error_handler();
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}
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}
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/**
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* Checks that $callable is valid PHP callback. Otherwise throws exception. If the $syntax is set to true, only verifies
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* that $callable has a valid structure to be used as a callback, but does not verify if the class or method actually exists.
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* @return callable
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* @throws Nette\InvalidArgumentException
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* @param mixed $callable
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*/
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public static function check($callable, bool $syntax = \false)
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{
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if (!\is_callable($callable, $syntax)) {
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throw new Nette\InvalidArgumentException($syntax ? 'Given value is not a callable type.' : \sprintf("Callback '%s' is not callable.", self::toString($callable)));
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}
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return $callable;
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}
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/**
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* Converts PHP callback to textual form. Class or method may not exists.
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* @param mixed $callable
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*/
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public static function toString($callable) : string
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{
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if ($callable instanceof \Closure) {
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$inner = self::unwrap($callable);
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return '{closure' . ($inner instanceof \Closure ? '}' : ' ' . self::toString($inner) . '}');
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} else {
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\is_callable(is_object($callable) ? [$callable, '__invoke'] : $callable, \true, $textual);
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return $textual;
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}
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}
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/**
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* Returns reflection for method or function used in PHP callback.
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* @param callable $callable type check is escalated to ReflectionException
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* @throws \ReflectionException if callback is not valid
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* @return \ReflectionMethod|\ReflectionFunction
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*/
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public static function toReflection($callable)
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{
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if ($callable instanceof \Closure) {
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$callable = self::unwrap($callable);
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}
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if (is_string($callable) && \strpos($callable, '::') !== \false) {
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return new ReflectionMethod($callable);
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} elseif (is_array($callable)) {
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return new ReflectionMethod($callable[0], $callable[1]);
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} elseif (is_object($callable) && !$callable instanceof \Closure) {
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return new ReflectionMethod($callable, '__invoke');
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} else {
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return new \ReflectionFunction($callable);
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}
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}
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/**
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* Checks whether PHP callback is function or static method.
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*/
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public static function isStatic(callable $callable) : bool
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{
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return is_string(is_array($callable) ? $callable[0] : $callable);
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}
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/**
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* Unwraps closure created by Closure::fromCallable().
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* @return mixed[]|callable
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*/
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public static function unwrap(\Closure $closure)
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{
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$r = new \ReflectionFunction($closure);
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$class = ($nullsafeVariable1 = $r->getClosureScopeClass()) ? $nullsafeVariable1->name : null;
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if (\substr_compare($r->name, '}', -\strlen('}')) === 0) {
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return $closure;
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} elseif (($obj = $r->getClosureThis()) && \get_class($obj) === $class) {
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return [$obj, $r->name];
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} elseif ($class) {
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return [$class, $r->name];
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} else {
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return $r->name;
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}
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}
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}
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