Viewing file:  LogParser.php (3.42 KB) -rw-r--r--
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<?php
declare(strict_types=1);
namespace Arcanedev\LogViewer\Helpers;
use Arcanedev\LogViewer\Utilities\LogLevels;
use Illuminate\Support\Str;
/**
* Class LogParser
*
* @author ARCANEDEV <arcanedev.maroc@gmail.com>
*/
class LogParser
{
/* -----------------------------------------------------------------
| Constants
| -----------------------------------------------------------------
*/
const REGEX_DATE_PATTERN = '\d{4}(-\d{2}){2}';
const REGEX_TIME_PATTERN = '\d{2}(:\d{2}){2}';
const REGEX_DATETIME_PATTERN = self::REGEX_DATE_PATTERN.' '.self::REGEX_TIME_PATTERN;
/* -----------------------------------------------------------------
| Properties
| -----------------------------------------------------------------
*/
/**
* Parsed data.
*
* @var array
*/
protected static $parsed = [];
/* -----------------------------------------------------------------
| Main Methods
| -----------------------------------------------------------------
*/
/**
* Parse file content.
*
* @param string $raw
*
* @return array
*/
public static function parse($raw)
{
static::$parsed = [];
list($headings, $data) = static::parseRawData($raw);
// @codeCoverageIgnoreStart
if ( ! is_array($headings)) {
return static::$parsed;
}
// @codeCoverageIgnoreEnd
foreach ($headings as $heading) {
for ($i = 0, $j = count($heading); $i < $j; $i++) {
static::populateEntries($heading, $data, $i);
}
};
unset($headings, $data);
return array_reverse(static::$parsed);
}
/* -----------------------------------------------------------------
| Other Methods
| -----------------------------------------------------------------
*/
/**
* Extract the date.
*
* @param string $string
*
* @return string
*/
public static function extractDate(string $string): string
{
return preg_replace('/.*('.self::REGEX_DATE_PATTERN.').*/', '$1', $string);
}
/**
* Parse raw data.
*
* @param string $raw
*
* @return array
*/
private static function parseRawData($raw)
{
$pattern = '/\['.self::REGEX_DATETIME_PATTERN.'\].*/';
preg_match_all($pattern, $raw, $headings);
$data = preg_split($pattern, $raw);
if ($data[0] < 1) {
$trash = array_shift($data);
unset($trash);
}
return [$headings, $data];
}
/**
* Populate entries.
*
* @param array $heading
* @param array $data
* @param int $key
*/
private static function populateEntries($heading, $data, $key)
{
foreach (LogLevels::all() as $level) {
if (static::hasLogLevel($heading[$key], $level)) {
static::$parsed[] = [
'level' => $level,
'header' => $heading[$key],
'stack' => $data[$key]
];
}
}
}
/**
* Check if header has a log level.
*
* @param string $heading
* @param string $level
*
* @return bool
*/
private static function hasLogLevel($heading, $level)
{
return Str::contains($heading, strtoupper(".{$level}:"));
}
}
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