Major refactoring to follow the Logbook model

src/Monolog/Formatter/LineFormatter.php

@@ -0,0 +1,52 @@
+<?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;
+
+class LineFormatter implements FormatterInterface
+{
+    const SIMPLE_FORMAT = "[%datetime%] %channel%.%level_name%: %message%\n";
+    const SIMPLE_DATE = "Y-m-d H:i:s";
+
+    protected $format;
+    protected $dateFormat;
+
+    public function __construct($format = null, $dateFormat = null)
+    {
+        $this->format = $format ?: self::SIMPLE_FORMAT;
+        $this->dateFormat = $dateFormat ?: self::SIMPLE_DATE;
+    }
+
+    public function format($message)
+    {
+        $vars = $message;
+        $vars['datetime'] = $vars['datetime']->format($this->dateFormat);
+
+        if (is_array($message['message'])) {
+            unset($vars['message']);
+            $vars = array_merge($vars, $message['message']);
+        }
+
+        $output = $this->format;
+        foreach ($vars as $var => $val) {
+            if (!is_array($val)) {
+                $output = str_replace('%'.$var.'%', $val, $output);
+            }
+        }
+        foreach ($vars['extra'] as $var => $val) {
+            $output = str_replace('%extra.'.$var.'%', $val, $output);
+        }
+        $message['message'] = $output;
+        return $message;
+    }
+}