File "LineFormatter.php"
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<?php declare(strict_types=1);
/*
* 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 Closure;
use Monolog\Utils;
use Monolog\LogRecord;
/**
* 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
{
public const SIMPLE_FORMAT = "[%datetime%] %channel%.%level_name%: %message% %context% %extra%\n";
protected string $format;
protected bool $allowInlineLineBreaks;
protected bool $ignoreEmptyContextAndExtra;
protected bool $includeStacktraces;
protected ?int $maxLevelNameLength = null;
protected string $indentStacktraces = '';
protected Closure|null $stacktracesParser = null;
protected string $basePath = '';
/**
* @param string|null $format The format of the message
* @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
* @param bool $allowInlineLineBreaks Whether to allow inline line breaks in log entries
*
* @throws \RuntimeException If the function json_encode does not exist
*/
public function __construct(?string $format = null, ?string $dateFormat = null, bool $allowInlineLineBreaks = false, bool $ignoreEmptyContextAndExtra = false, bool $includeStacktraces = false)
{
$this->format = $format === null ? static::SIMPLE_FORMAT : $format;
$this->allowInlineLineBreaks = $allowInlineLineBreaks;
$this->ignoreEmptyContextAndExtra = $ignoreEmptyContextAndExtra;
$this->includeStacktraces($includeStacktraces);
parent::__construct($dateFormat);
}
/**
* Setting a base path will hide the base path from exception and stack trace file names to shorten them
* @return $this
*/
public function setBasePath(string $path = ''): self
{
if ($path !== '') {
$path = rtrim($path, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
}
$this->basePath = $path;
return $this;
}
/**
* @return $this
*/
public function includeStacktraces(bool $include = true, ?Closure $parser = null): self
{
$this->includeStacktraces = $include;
if ($this->includeStacktraces) {
$this->allowInlineLineBreaks = true;
$this->stacktracesParser = $parser;
}
return $this;
}
/**
* Indent stack traces to separate them a bit from the main log record messages
*
* @param string $indent The string used to indent, for example " "
* @return $this
*/
public function indentStacktraces(string $indent): self
{
$this->indentStacktraces = $indent;
return $this;
}
/**
* @return $this
*/
public function allowInlineLineBreaks(bool $allow = true): self
{
$this->allowInlineLineBreaks = $allow;
return $this;
}
/**
* @return $this
*/
public function ignoreEmptyContextAndExtra(bool $ignore = true): self
{
$this->ignoreEmptyContextAndExtra = $ignore;
return $this;
}
/**
* Allows cutting the level name to get fixed-length levels like INF for INFO, ERR for ERROR if you set this to 3 for example
*
* @param int|null $maxLevelNameLength Maximum characters for the level name. Set null for infinite length (default)
* @return $this
*/
public function setMaxLevelNameLength(?int $maxLevelNameLength = null): self
{
$this->maxLevelNameLength = $maxLevelNameLength;
return $this;
}
/**
* @inheritDoc
*/
public function format(LogRecord $record): string
{
$vars = parent::format($record);
if ($this->maxLevelNameLength !== null) {
$vars['level_name'] = substr($vars['level_name'], 0, $this->maxLevelNameLength);
}
$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 (\count($vars['context']) === 0) {
unset($vars['context']);
$output = str_replace('%context%', '', $output);
}
if (\count($vars['extra']) === 0) {
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);
if (null === $output) {
$pcreErrorCode = preg_last_error();
throw new \RuntimeException('Failed to run preg_replace: ' . $pcreErrorCode . ' / ' . Utils::pcreLastErrorMessage($pcreErrorCode));
}
}
return $output;
}
public function formatBatch(array $records): string
{
$message = '';
foreach ($records as $record) {
$message .= $this->format($record);
}
return $message;
}
/**
* @param mixed $value
*/
public function stringify($value): string
{
return $this->replaceNewlines($this->convertToString($value));
}
protected function normalizeException(\Throwable $e, int $depth = 0): string
{
$str = $this->formatException($e);
if (($previous = $e->getPrevious()) instanceof \Throwable) {
do {
$depth++;
if ($depth > $this->maxNormalizeDepth) {
$str .= "\n[previous exception] Over " . $this->maxNormalizeDepth . ' levels deep, aborting normalization';
break;
}
$str .= "\n[previous exception] " . $this->formatException($previous);
} while ($previous = $previous->getPrevious());
}
return $str;
}
/**
* @param mixed $data
*/
protected function convertToString($data): string
{
if (null === $data || is_bool($data)) {
return var_export($data, true);
}
if (is_scalar($data)) {
return (string) $data;
}
return $this->toJson($data, true);
}
protected function replaceNewlines(string $str): string
{
if ($this->allowInlineLineBreaks) {
if (0 === strpos($str, '{') || 0 === strpos($str, '[')) {
$str = preg_replace('/(?<!\\\\)\\\\[rn]/', "\n", $str);
if (null === $str) {
$pcreErrorCode = preg_last_error();
throw new \RuntimeException('Failed to run preg_replace: ' . $pcreErrorCode . ' / ' . Utils::pcreLastErrorMessage($pcreErrorCode));
}
}
return $str;
}
return str_replace(["\r\n", "\r", "\n"], ' ', $str);
}
private function formatException(\Throwable $e): string
{
$str = '[object] (' . Utils::getClass($e) . '(code: ' . $e->getCode();
if ($e instanceof \SoapFault) {
if (isset($e->faultcode)) {
$str .= ' faultcode: ' . $e->faultcode;
}
if (isset($e->faultactor)) {
$str .= ' faultactor: ' . $e->faultactor;
}
if (isset($e->detail)) {
if (is_string($e->detail)) {
$str .= ' detail: ' . $e->detail;
} elseif (is_object($e->detail) || is_array($e->detail)) {
$str .= ' detail: ' . $this->toJson($e->detail, true);
}
}
}
$file = $e->getFile();
if ($this->basePath !== '') {
$file = preg_replace('{^'.preg_quote($this->basePath).'}', '', $file);
}
$str .= '): ' . $e->getMessage() . ' at ' . $file . ':' . $e->getLine() . ')';
if ($this->includeStacktraces) {
$str .= $this->stacktracesParser($e);
}
return $str;
}
private function stacktracesParser(\Throwable $e): string
{
$trace = $e->getTraceAsString();
if ($this->basePath !== '') {
$trace = preg_replace('{^(#\d+ )' . preg_quote($this->basePath) . '}m', '$1', $trace) ?? $trace;
}
if ($this->stacktracesParser !== null) {
$trace = $this->stacktracesParserCustom($trace);
}
if ($this->indentStacktraces !== '') {
$trace = str_replace("\n", "\n{$this->indentStacktraces}", $trace);
}
return "\n{$this->indentStacktraces}[stacktrace]\n{$this->indentStacktraces}" . $trace . "\n";
}
private function stacktracesParserCustom(string $trace): string
{
return implode("\n", array_filter(array_map($this->stacktracesParser, explode("\n", $trace))));
}
}