Version 1

[yaffs-website] / vendor / symfony / http-kernel / EventListener / DebugHandlersListener.php

diff --git a/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php b/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php
new file mode 100644 (file)
index 0000000..2f523a5
--- /dev/null
+++ b/vendor/symfony/http-kernel/EventListener/DebugHandlersListener.php
@@ -0,0 +1,138 @@
+<?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\HttpKernel\EventListener;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Debug\ErrorHandler;
+use Symfony\Component\Debug\ExceptionHandler;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\KernelEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\Console\ConsoleEvents;
+use Symfony\Component\Console\Event\ConsoleEvent;
+use Symfony\Component\Console\Output\ConsoleOutputInterface;
+
+/**
+ * Configures errors and exceptions handlers.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DebugHandlersListener implements EventSubscriberInterface
+{
+    private $exceptionHandler;
+    private $logger;
+    private $levels;
+    private $throwAt;
+    private $scream;
+    private $fileLinkFormat;
+    private $firstCall = true;
+
+    /**
+     * @param callable|null        $exceptionHandler A handler that will be called on Exception
+     * @param LoggerInterface|null $logger           A PSR-3 logger
+     * @param array|int            $levels           An array map of E_* to LogLevel::* or an integer bit field of E_* constants
+     * @param int|null             $throwAt          Thrown errors in a bit field of E_* constants, or null to keep the current value
+     * @param bool                 $scream           Enables/disables screaming mode, where even silenced errors are logged
+     * @param string               $fileLinkFormat   The format for links to source files
+     */
+    public function __construct($exceptionHandler, LoggerInterface $logger = null, $levels = null, $throwAt = -1, $scream = true, $fileLinkFormat = null)
+    {
+        $this->exceptionHandler = $exceptionHandler;
+        $this->logger = $logger;
+        $this->levels = $levels;
+        $this->throwAt = is_numeric($throwAt) ? (int) $throwAt : (null === $throwAt ? null : ($throwAt ? -1 : null));
+        $this->scream = (bool) $scream;
+        $this->fileLinkFormat = $fileLinkFormat ?: ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format');
+    }
+
+    /**
+     * Configures the error handler.
+     *
+     * @param Event|null $event The triggering event
+     */
+    public function configure(Event $event = null)
+    {
+        if (!$this->firstCall) {
+            return;
+        }
+        $this->firstCall = false;
+        if ($this->logger || null !== $this->throwAt) {
+            $handler = set_error_handler('var_dump');
+            $handler = is_array($handler) ? $handler[0] : null;
+            restore_error_handler();
+            if ($handler instanceof ErrorHandler) {
+                if ($this->logger) {
+                    $handler->setDefaultLogger($this->logger, $this->levels);
+                    if (is_array($this->levels)) {
+                        $scream = 0;
+                        foreach ($this->levels as $type => $log) {
+                            $scream |= $type;
+                        }
+                    } else {
+                        $scream = null === $this->levels ? E_ALL | E_STRICT : $this->levels;
+                    }
+                    if ($this->scream) {
+                        $handler->screamAt($scream);
+                    }
+                    $this->logger = $this->levels = null;
+                }
+                if (null !== $this->throwAt) {
+                    $handler->throwAt($this->throwAt, true);
+                }
+            }
+        }
+        if (!$this->exceptionHandler) {
+            if ($event instanceof KernelEvent) {
+                if (method_exists($event->getKernel(), 'terminateWithException')) {
+                    $this->exceptionHandler = array($event->getKernel(), 'terminateWithException');
+                }
+            } elseif ($event instanceof ConsoleEvent && $app = $event->getCommand()->getApplication()) {
+                $output = $event->getOutput();
+                if ($output instanceof ConsoleOutputInterface) {
+                    $output = $output->getErrorOutput();
+                }
+                $this->exceptionHandler = function ($e) use ($app, $output) {
+                    $app->renderException($e, $output);
+                };
+            }
+        }
+        if ($this->exceptionHandler) {
+            $handler = set_exception_handler('var_dump');
+            $handler = is_array($handler) ? $handler[0] : null;
+            restore_exception_handler();
+            if ($handler instanceof ErrorHandler) {
+                $h = $handler->setExceptionHandler('var_dump') ?: $this->exceptionHandler;
+                $handler->setExceptionHandler($h);
+                $handler = is_array($h) ? $h[0] : null;
+            }
+            if ($handler instanceof ExceptionHandler) {
+                $handler->setHandler($this->exceptionHandler);
+                if (null !== $this->fileLinkFormat) {
+                    $handler->setFileLinkFormat($this->fileLinkFormat);
+                }
+            }
+            $this->exceptionHandler = null;
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        $events = array(KernelEvents::REQUEST => array('configure', 2048));
+
+        if (defined('Symfony\Component\Console\ConsoleEvents::COMMAND')) {
+            $events[ConsoleEvents::COMMAND] = array('configure', 2048);
+        }
+
+        return $events;
+    }
+}