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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ErrorHandler\ErrorEnhancer;

use Symfony\Component\ErrorHandler\Error\FatalError;
use Symfony\Component\ErrorHandler\Error\UndefinedFunctionError;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
class UndefinedFunctionErrorEnhancer implements ErrorEnhancerInterface
{
    public function enhance(\Throwable $error): ?\Throwable
    {
        if ($error instanceof FatalError) {
            return null;
        }

        $message = $error->getMessage();
        $messageLen = \strlen($message);
        $notFoundSuffix = '()';
        $notFoundSuffixLen = \strlen($notFoundSuffix);
        if ($notFoundSuffixLen > $messageLen) {
            return null;
        }

        if (0 !== substr_compare($message, $notFoundSuffix, -$notFoundSuffixLen)) {
            return null;
        }

        $prefix = 'Call to undefined function ';
        $prefixLen = \strlen($prefix);
        if (!str_starts_with($message, $prefix)) {
            return null;
        }

        $fullyQualifiedFunctionName = substr($message, $prefixLen, -$notFoundSuffixLen);
        if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedFunctionName, '\\')) {
            $functionName = substr($fullyQualifiedFunctionName, $namespaceSeparatorIndex + 1);
            $namespacePrefix = substr($fullyQualifiedFunctionName, 0, $namespaceSeparatorIndex);
            $message = sprintf('Attempted to call function "%s" from namespace "%s".', $functionName, $namespacePrefix);
        } else {
            $functionName = $fullyQualifiedFunctionName;
            $message = sprintf('Attempted to call function "%s" from the global namespace.', $functionName);
        }

        $candidates = [];
        foreach (get_defined_functions() as $type => $definedFunctionNames) {
            foreach ($definedFunctionNames as $definedFunctionName) {
                if (false !== $namespaceSeparatorIndex = strrpos($definedFunctionName, '\\')) {
                    $definedFunctionNameBasename = substr($definedFunctionName, $namespaceSeparatorIndex + 1);
                } else {
                    $definedFunctionNameBasename = $definedFunctionName;
                }

                if ($definedFunctionNameBasename === $functionName) {
                    $candidates[] = '\\'.$definedFunctionName;
                }
            }
        }

        if ($candidates) {
            sort($candidates);
            $last = array_pop($candidates).'"?';
            if ($candidates) {
                $candidates = 'e.g. "'.implode('", "', $candidates).'" or "'.$last;
            } else {
                $candidates = '"'.$last;
            }
            $message .= "\nDid you mean to call ".$candidates;
        }

        return new UndefinedFunctionError($message, $error);
    }
}
PK      A��Z�P��`  `     UndefinedMethodErrorEnhancer.phpnu W+A��        <?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ErrorHandler\ErrorEnhancer;

use Symfony\Component\ErrorHandler\Error\FatalError;
use Symfony\Component\ErrorHandler\Error\UndefinedMethodError;

/**
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 */
class UndefinedMethodErrorEnhancer implements ErrorEnhancerInterface
{
    public function enhance(\Throwable $error): ?\Throwable
    {
        if ($error instanceof FatalError) {
            return null;
        }

        $message = $error->getMessage();
        preg_match('/^Call to undefined method (.*)::(.*)\(\)$/', $message, $matches);
        if (!$matches) {
            return null;
        }

        $className = $matches[1];
        $methodName = $matches[2];

        $message = sprintf('Attempted to call an undefined method named "%s" of class "%s".', $methodName, $className);

        if ('' === $methodName || !class_exists($className) || null === $methods = get_class_methods($className)) {
            // failed to get the class or its methods on which an unknown method was called (for example on an anonymous class)
            return new UndefinedMethodError($message, $error);
        }

        $candidates = [];
        foreach ($methods as $definedMethodName) {
            $lev = levenshtein($methodName, $definedMethodName);
            if ($lev <= \strlen($methodName) / 3 || str_contains($definedMethodName, $methodName)) {
                $candidates[] = $definedMethodName;
            }
        }

        if ($candidates) {
            sort($candidates);
            $last = array_pop($candidates).'"?';
            if ($candidates) {
                $candidates = 'e.g. "'.implode('", "', $candidates).'" or "'.$last;
            } else {
                $candidates = '"'.$last;
            }

            $message .= "\nDid you mean to call ".$candidates;
        }

        return new UndefinedMethodError($message, $error);
    }
}
PK      A��Z3��^�  �    ErrorEnhancerInterface.phpnu W+A��        <?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ErrorHandler\ErrorEnhancer;

interface ErrorEnhancerInterface
{
    /**
     * Returns an \Throwable instance if the class is able to improve the error, null otherwise.
     */
    public function enhance(\Throwable $error): ?\Throwable;
}
PK      A��ZB���0  0    ClassNotFoundErrorEnhancer.phpnu W+A��        <?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ErrorHandler\ErrorEnhancer;

use Composer\Autoload\ClassLoader;
use Symfony\Component\ErrorHandler\DebugClassLoader;
use Symfony\Component\ErrorHandler\Error\ClassNotFoundError;
use Symfony\Component\ErrorHandler\Error\FatalError;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ClassNotFoundErrorEnhancer implements ErrorEnhancerInterface
{
    public function enhance(\Throwable $error): ?\Throwable
    {
        // Some specific versions of PHP produce a fatal error when extending a not found class.
        $message = !$error instanceof FatalError ? $error->getMessage() : $error->getError()['message'];
        if (!preg_match('/^(Class|Interface|Trait) [\'"]([^\'"]+)[\'"] not found$/', $message, $matches)) {
            return null;
        }
        $typeName = strtolower($matches[1]);
        $fullyQualifiedClassName = $matches[2];

        if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedClassName, '\\')) {
            $className = substr($fullyQualifiedClassName, $namespaceSeparatorIndex + 1);
            $namespacePrefix = substr($fullyQualifiedClassName, 0, $namespaceSeparatorIndex);
            $message = sprintf('Attempted to load %s "%s" from namespace "%s".', $typeName, $className, $namespacePrefix);
            $tail = ' for another namespace?';
        } else {
            $className = $fullyQualifiedClassName;
            $message = sprintf('Attempted to load %s "%s" from the global namespace.', $typeName, $className);
            $tail = '?';
        }

        if ($candidates = $this->getClassCandidates($className)) {
            $tail = array_pop($candidates).'"?';
            if ($candidates) {
                $tail = ' for e.g. "'.implode('", "', $candidates).'" or "'.$tail;
            } else {
                $tail = ' for "'.$tail;
            }
        }
        $message .= "\nDid you forget a \"use\" statement".$tail;

        return new ClassNotFoundError($message, $error);
    }

    /**
     * Tries to guess the full namespace for a given class name.
     *
     * By default, it looks for PSR-0 and PSR-4 classes registered via a Symfony or a Composer
     * autoloader (that should cover all common cases).
     *
     * @param string $class A class name (without its namespace)
     *
     * Returns an array of possible fully qualified class names
     */
    private function getClassCandidates(string $class): array
    {
        if (!\is_array($functions = spl_autoload_functions())) {
            return [];
        }

        // find Symfony and Composer autoloaders
        $classes = [];

        foreach ($functions as $function) {
            if (!\is_array($function)) {
                continue;
            }
            // get class loaders wrapped by DebugClassLoader
            if ($function[0] instanceof DebugClassLoader) {
                $function = $function[0]->getClassLoader();

                if (!\is_array($function)) {
                    continue;
                }
            }

            if ($function[0] instanceof ClassLoader) {
                foreach ($function[0]->getPrefixes() as $prefix => $paths) {
                    foreach ($paths as $path) {
                        $classes[] = $this->findClassInPath($path, $class, $prefix);
                    }
                }

                foreach ($function[0]->getPrefixesPsr4() as $prefix => $paths) {
                    foreach ($paths as $path) {
                        $classes[] = $this->findClassInPath($path, $class, $prefix);
                    }
                }
            }
        }

        return array_unique(array_merge([], ...$classes));
    }

    private function findClassInPath(string $path, string $class, string $prefix): array
    {
        if (!$path = realpath($path.'/'.strtr($prefix, '\\_', '//')) ?: realpath($path.'/'.\dirname(strtr($prefix, '\\_', '//'))) ?: realpath($path)) {
            return [];
        }

        $classes = [];
        $filename = $class.'.php';
        foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
            if ($filename == $file->getFileName() && $class = $this->convertFileToClass($path, $file->getPathName(), $prefix)) {
                $classes[] = $class;
            }
        }

        return $classes;
    }

    private function convertFileToClass(string $path, string $file, string $prefix): ?string
    {
        $candidates = [
            // namespaced class
            $namespacedClass = str_replace([$path.\DIRECTORY_SEPARATOR, '.php', '/'], ['', '', '\\'], $file),
            // namespaced class (with target dir)
            $prefix.$namespacedClass,
            // namespaced class (with target dir and separator)
            $prefix.'\\'.$namespacedClass,
            // PEAR class
            str_replace('\\', '_', $namespacedClass),
            // PEAR class (with target dir)
            str_replace('\\', '_', $prefix.$namespacedClass),
            // PEAR class (with target dir and separator)
            str_replace('\\', '_', $prefix.'\\'.$namespacedClass),
        ];

        if ($prefix) {
            $candidates = array_filter($candidates, fn ($candidate) => str_starts_with($candidate, $prefix));
        }

        // We cannot use the autoloader here as most of them use require; but if the class
        // is not found, the new autoloader call will require the file again leading to a
        // "cannot redeclare class" error.
        foreach ($candidates as $candidate) {
            if ($this->classExists($candidate)) {
                return $candidate;
            }
        }

        try {
            require_once $file;
        } catch (\Throwable) {
            return null;
        }

        foreach ($candidates as $candidate) {
            if ($this->classExists($candidate)) {
                return $candidate;
            }
        }

        return null;
    }

    private function classExists(string $class): bool
    {
        return class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
    }
}
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