--- /dev/null
+<?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;
+
+/**
+ * Formats incoming records into a one-line string
+ *
+ * This is especially useful for logging to files
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class LineFormatter extends NormalizerFormatter
+{
+ const SIMPLE_FORMAT = "[%datetime%] %channel%.%level_name%: %message% %context% %extra%\n";
+
+ protected $format;
+ protected $allowInlineLineBreaks;
+ protected $ignoreEmptyContextAndExtra;
+ protected $includeStacktraces;
+
+ /**
+ * @param string $format The format of the message
+ * @param string $dateFormat The format of the timestamp: one supported by DateTime::format
+ * @param bool $allowInlineLineBreaks Whether to allow inline line breaks in log entries
+ * @param bool $ignoreEmptyContextAndExtra
+ */
+ public function __construct($format = null, $dateFormat = null, $allowInlineLineBreaks = false, $ignoreEmptyContextAndExtra = false)
+ {
+ $this->format = $format ?: static::SIMPLE_FORMAT;
+ $this->allowInlineLineBreaks = $allowInlineLineBreaks;
+ $this->ignoreEmptyContextAndExtra = $ignoreEmptyContextAndExtra;
+ parent::__construct($dateFormat);
+ }
+
+ public function includeStacktraces($include = true)
+ {
+ $this->includeStacktraces = $include;
+ if ($this->includeStacktraces) {
+ $this->allowInlineLineBreaks = true;
+ }
+ }
+
+ public function allowInlineLineBreaks($allow = true)
+ {
+ $this->allowInlineLineBreaks = $allow;
+ }
+
+ public function ignoreEmptyContextAndExtra($ignore = true)
+ {
+ $this->ignoreEmptyContextAndExtra = $ignore;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function format(array $record)
+ {
+ $vars = parent::format($record);
+
+ $output = $this->format;
+
+ foreach ($vars['extra'] as $var => $val) {
+ if (false !== strpos($output, '%extra.'.$var.'%')) {
+ $output = str_replace('%extra.'.$var.'%', $this->stringify($val), $output);
+ unset($vars['extra'][$var]);
+ }
+ }
+
+
+ foreach ($vars['context'] as $var => $val) {
+ if (false !== strpos($output, '%context.'.$var.'%')) {
+ $output = str_replace('%context.'.$var.'%', $this->stringify($val), $output);
+ unset($vars['context'][$var]);
+ }
+ }
+
+ if ($this->ignoreEmptyContextAndExtra) {
+ if (empty($vars['context'])) {
+ unset($vars['context']);
+ $output = str_replace('%context%', '', $output);
+ }
+
+ if (empty($vars['extra'])) {
+ unset($vars['extra']);
+ $output = str_replace('%extra%', '', $output);
+ }
+ }
+
+ foreach ($vars as $var => $val) {
+ if (false !== strpos($output, '%'.$var.'%')) {
+ $output = str_replace('%'.$var.'%', $this->stringify($val), $output);
+ }
+ }
+
+ // remove leftover %extra.xxx% and %context.xxx% if any
+ if (false !== strpos($output, '%')) {
+ $output = preg_replace('/%(?:extra|context)\..+?%/', '', $output);
+ }
+
+ return $output;
+ }
+
+ public function formatBatch(array $records)
+ {
+ $message = '';
+ foreach ($records as $record) {
+ $message .= $this->format($record);
+ }
+
+ return $message;
+ }
+
+ public function stringify($value)
+ {
+ return $this->replaceNewlines($this->convertToString($value));
+ }
+
+ protected function normalizeException($e)
+ {
+ // TODO 2.0 only check for Throwable
+ if (!$e instanceof \Exception && !$e instanceof \Throwable) {
+ throw new \InvalidArgumentException('Exception/Throwable expected, got '.gettype($e).' / '.get_class($e));
+ }
+
+ $previousText = '';
+ if ($previous = $e->getPrevious()) {
+ do {
+ $previousText .= ', '.get_class($previous).'(code: '.$previous->getCode().'): '.$previous->getMessage().' at '.$previous->getFile().':'.$previous->getLine();
+ } while ($previous = $previous->getPrevious());
+ }
+
+ $str = '[object] ('.get_class($e).'(code: '.$e->getCode().'): '.$e->getMessage().' at '.$e->getFile().':'.$e->getLine().$previousText.')';
+ if ($this->includeStacktraces) {
+ $str .= "\n[stacktrace]\n".$e->getTraceAsString()."\n";
+ }
+
+ return $str;
+ }
+
+ protected function convertToString($data)
+ {
+ if (null === $data || is_bool($data)) {
+ return var_export($data, true);
+ }
+
+ if (is_scalar($data)) {
+ return (string) $data;
+ }
+
+ if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
+ return $this->toJson($data, true);
+ }
+
+ return str_replace('\\/', '/', @json_encode($data));
+ }
+
+ protected function replaceNewlines($str)
+ {
+ if ($this->allowInlineLineBreaks) {
+ if (0 === strpos($str, '{')) {
+ return str_replace(array('\r', '\n'), array("\r", "\n"), $str);
+ }
+
+ return $str;
+ }
+
+ return str_replace(array("\r\n", "\r", "\n"), ' ', $str);
+ }
+}