--- /dev/null
+<?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\Debug\FatalErrorHandler;
+
+use Symfony\Component\Debug\Exception\ClassNotFoundException;
+use Symfony\Component\Debug\Exception\FatalErrorException;
+use Symfony\Component\Debug\DebugClassLoader;
+use Composer\Autoload\ClassLoader as ComposerClassLoader;
+use Symfony\Component\ClassLoader\ClassLoader as SymfonyClassLoader;
+use Symfony\Component\ClassLoader\UniversalClassLoader as SymfonyUniversalClassLoader;
+
+/**
+ * ErrorHandler for classes that do not exist.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
+{
+ /**
+ * {@inheritdoc}
+ */
+ public function handleError(array $error, FatalErrorException $exception)
+ {
+ $messageLen = strlen($error['message']);
+ $notFoundSuffix = '\' not found';
+ $notFoundSuffixLen = strlen($notFoundSuffix);
+ if ($notFoundSuffixLen > $messageLen) {
+ return;
+ }
+
+ if (0 !== substr_compare($error['message'], $notFoundSuffix, -$notFoundSuffixLen)) {
+ return;
+ }
+
+ foreach (array('class', 'interface', 'trait') as $typeName) {
+ $prefix = ucfirst($typeName).' \'';
+ $prefixLen = strlen($prefix);
+ if (0 !== strpos($error['message'], $prefix)) {
+ continue;
+ }
+
+ $fullyQualifiedClassName = substr($error['message'], $prefixLen, -$notFoundSuffixLen);
+ 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 ClassNotFoundException($message, $exception);
+ }
+ }
+
+ /**
+ * 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 $class A class name (without its namespace)
+ *
+ * @return array An array of possible fully qualified class names
+ */
+ private function getClassCandidates($class)
+ {
+ if (!is_array($functions = spl_autoload_functions())) {
+ return array();
+ }
+
+ // find Symfony and Composer autoloaders
+ $classes = array();
+
+ foreach ($functions as $function) {
+ if (!is_array($function)) {
+ continue;
+ }
+ // get class loaders wrapped by DebugClassLoader
+ if ($function[0] instanceof DebugClassLoader) {
+ $function = $function[0]->getClassLoader();
+
+ // @deprecated since version 2.5. Returning an object from DebugClassLoader::getClassLoader() is deprecated.
+ if (is_object($function)) {
+ $function = array($function);
+ }
+
+ if (!is_array($function)) {
+ continue;
+ }
+ }
+
+ if ($function[0] instanceof ComposerClassLoader || $function[0] instanceof SymfonyClassLoader || $function[0] instanceof SymfonyUniversalClassLoader) {
+ foreach ($function[0]->getPrefixes() as $prefix => $paths) {
+ foreach ($paths as $path) {
+ $classes = array_merge($classes, $this->findClassInPath($path, $class, $prefix));
+ }
+ }
+ }
+ if ($function[0] instanceof ComposerClassLoader) {
+ foreach ($function[0]->getPrefixesPsr4() as $prefix => $paths) {
+ foreach ($paths as $path) {
+ $classes = array_merge($classes, $this->findClassInPath($path, $class, $prefix));
+ }
+ }
+ }
+ }
+
+ return array_unique($classes);
+ }
+
+ /**
+ * @param string $path
+ * @param string $class
+ * @param string $prefix
+ *
+ * @return array
+ */
+ private function findClassInPath($path, $class, $prefix)
+ {
+ if (!$path = realpath($path.'/'.strtr($prefix, '\\_', '//')) ?: realpath($path.'/'.dirname(strtr($prefix, '\\_', '//'))) ?: realpath($path)) {
+ return array();
+ }
+
+ $classes = array();
+ $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;
+ }
+
+ /**
+ * @param string $path
+ * @param string $file
+ * @param string $prefix
+ *
+ * @return string|null
+ */
+ private function convertFileToClass($path, $file, $prefix)
+ {
+ $candidates = array(
+ // namespaced class
+ $namespacedClass = str_replace(array($path.DIRECTORY_SEPARATOR, '.php', '/'), array('', '', '\\'), $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, function ($candidate) use ($prefix) { return 0 === strpos($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;
+ }
+ }
+
+ require_once $file;
+
+ foreach ($candidates as $candidate) {
+ if ($this->classExists($candidate)) {
+ return $candidate;
+ }
+ }
+ }
+
+ /**
+ * @param string $class
+ *
+ * @return bool
+ */
+ private function classExists($class)
+ {
+ return class_exists($class, false) || interface_exists($class, false) || (function_exists('trait_exists') && trait_exists($class, false));
+ }
+}
projects / yaffs-website / blobdiff