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Edit File: LineFormatter.php

<?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 Monolog\Utils;

/**
 * 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";

/** @var string */
    protected $format;
    /** @var bool */
    protected $allowInlineLineBreaks;
    /** @var bool */
    protected $ignoreEmptyContextAndExtra;
    /** @var bool */
    protected $includeStacktraces;
    /** @var ?callable */
    protected $stacktracesParser;

/**
     * @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
     * @param bool        $ignoreEmptyContextAndExtra
     */
    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);
    }

public function includeStacktraces(bool $include = true, ?callable $parser = null): self
    {
        $this->includeStacktraces = $include;
        if ($this->includeStacktraces) {
            $this->allowInlineLineBreaks = true;
            $this->stacktracesParser = $parser;
        }

return $this;
    }

public function allowInlineLineBreaks(bool $allow = true): self
    {
        $this->allowInlineLineBreaks = $allow;

return $this;
    }

public function ignoreEmptyContextAndExtra(bool $ignore = true): self
    {
        $this->ignoreEmptyContextAndExtra = $ignore;

return $this;
    }

/**
     * {@inheritDoc}
     */
    public function format(array $record): string
    {
        $vars = parent::format($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);
            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()) {
            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, '{')) {
                $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);
                }
            }
        }
        $str .= '): ' . $e->getMessage() . ' at ' . $e->getFile() . ':' . $e->getLine() . ')';

if ($this->includeStacktraces) {
            $str .= $this->stacktracesParser($e);
        }

return $str;
    }

private function stacktracesParser(\Throwable $e): string
    {
        $trace = $e->getTraceAsString();

if ($this->stacktracesParser) {
            $trace = $this->stacktracesParserCustom($trace);
        }

return "\n[stacktrace]\n" . $trace . "\n";
    }

private function stacktracesParserCustom(string $trace): string
    {
        return implode("\n", array_filter(array_map($this->stacktracesParser, explode("\n", $trace))));
    }
}

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