Added a ChromePhpHandler.

Closes #56

src/Monolog/Formatter/ChromePhpFormatter.php

@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Formatter;
+
+use Monolog\Logger;
+
+/**
+ * Formats a log message according to the ChromePhp array format
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class ChromePhpFormatter implements FormatterInterface
+{
+    /**
+     * Translates Monolog log levels to Wildfire levels.
+     */
+    private $logLevels = array(
+        Logger::DEBUG    => 'log',
+        Logger::INFO     => 'info',
+        Logger::WARNING  => 'warn',
+        Logger::ERROR    => 'error',
+        Logger::CRITICAL => 'error',
+        Logger::ALERT    => 'error',
+    );
+
+    /**
+     * {@inheritdoc}
+     */
+    public function format(array $record)
+    {
+        // Retrieve the line and file if set and remove them from the formatted extra
+        $backtrace = 'unknown';
+        if (isset($record['extra']['file']) && isset($record['extra']['line'])) {
+            $backtrace = $record['extra']['file'].' : '.$record['extra']['line'];
+            unset($record['extra']['file']);
+            unset($record['extra']['line']);
+        }
+
+        $message = array('message' => $record['message']);
+        if ($record['context']) {
+            $message['context'] = $record['context'];
+        }
+        if ($record['extra']) {
+            $message['extra'] = $record['extra'];
+        }
+        if (count($message) === 1) {
+            $message = reset($message);
+        }
+
+        return array(
+            $record['channel'],
+            $message,
+            $backtrace,
+            $this->logLevels[$record['level']],
+        );
+    }
+
+    public function formatBatch(array $records)
+    {
+        $formatted = array();
+
+        foreach ($records as $record) {
+            $formatted[] = $this->format($record);
+        }
+
+        return $formatted;
+    }
+}

src/Monolog/Handler/ChromePhpHandler.php

@@ -0,0 +1,129 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Handler;
+
+use Monolog\Logger;
+use Monolog\Formatter\ChromePhpFormatter;
+
+/**
+ * Handler sending logs to the ChromePHP extension (http://www.chromephp.com/)
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class ChromePhpHandler extends AbstractProcessingHandler
+{
+    /**
+     * Version of the extension
+     */
+    const VERSION = '3.0';
+
+    /**
+     * Header name
+     */
+    const HEADER_NAME = 'X-ChromePhp-Data';
+
+    static protected $initialized = false;
+
+    static protected $json = array(
+        'version' => self::VERSION,
+        'columns' => array('label', 'log', 'backtrace', 'type'),
+        'rows' => array(),
+    );
+
+    protected $sendHeaders = true;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function handleBatch(array $records)
+    {
+        $messages = array();
+
+        foreach ($records as $record) {
+            if ($record['level'] < $this->level) {
+                continue;
+            }
+            $messages[] = $this->processRecord($record);
+        }
+
+        if (!empty($messages)) {
+            $messages = $this->getFormatter()->formatBatch($messages);
+            self::$json['rows'] = array_merge(self::$json['rows'], $messages);
+            $this->send();
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getDefaultFormatter()
+    {
+        return new ChromePhpFormatter();
+    }
+
+    /**
+     * Creates & sends header for a record
+     *
+     * @see sendHeader()
+     * @see send()
+     * @param array $record
+     */
+    protected function write(array $record)
+    {
+        self::$json['rows'][] = $record['formatted'];
+
+        $this->send();
+    }
+
+    /**
+     * Sends the log header
+     *
+     * @see sendHeader()
+     */
+    protected function send()
+    {
+        if (!self::$initialized) {
+            $this->sendHeaders = $this->headersAccepted();
+            self::$json['request_uri'] = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
+
+            self::$initialized = true;
+        }
+
+        $this->sendHeader(self::HEADER_NAME, base64_encode(utf8_encode(json_encode(self::$json))));
+    }
+
+    /**
+     * Send header string to the client
+     *
+     * @param string $header
+     * @param string $content
+     */
+    protected function sendHeader($header, $content)
+    {
+        if (!headers_sent() && $this->sendHeaders) {
+            header(sprintf('%s: %s', $header, $content));
+        }
+    }
+
+    /**
+     * Verifies if the headers are accepted by the current user agent
+     *
+     * @return Boolean
+     */
+    protected function headersAccepted()
+    {
+        return true;
+        /*return !isset($_SERVER['HTTP_USER_AGENT'])
+               || preg_match('{\bFirePHP/\d+\.\d+\b}', $_SERVER['HTTP_USER_AGENT'])
+               || isset($_SERVER['HTTP_X_FIREPHP_VERSION']);*/
+    }
+}