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<?php |
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declare(strict_types=1); |
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namespace Arcanedev\LogViewer\Helpers; |
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use Arcanedev\LogViewer\Utilities\LogLevels; |
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use Illuminate\Support\Str; |
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/** |
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* Class LogParser |
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* |
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* @package Arcanedev\LogViewer\Helpers |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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class LogParser |
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{ |
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/* ----------------------------------------------------------------- |
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| Constants |
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| ----------------------------------------------------------------- |
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*/ |
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const REGEX_DATE_PATTERN = '\d{4}(-\d{2}){2}'; |
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const REGEX_TIME_PATTERN = '\d{2}(:\d{2}){2}'; |
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const REGEX_DATETIME_PATTERN = self::REGEX_DATE_PATTERN.' '.self::REGEX_TIME_PATTERN; |
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/* ----------------------------------------------------------------- |
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| Properties |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Parsed data. |
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* |
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* @var array |
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*/ |
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protected static $parsed = []; |
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/* ----------------------------------------------------------------- |
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| Main Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Parse file content. |
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* |
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* @param string $raw |
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* |
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* @return array |
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*/ |
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public static function parse($raw) |
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{ |
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static::$parsed = []; |
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list($headings, $data) = static::parseRawData($raw); |
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// @codeCoverageIgnoreStart |
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if ( ! is_array($headings)) { |
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return static::$parsed; |
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} |
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// @codeCoverageIgnoreEnd |
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foreach ($headings as $heading) { |
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for ($i = 0, $j = count($heading); $i < $j; $i++) { |
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static::populateEntries($heading, $data, $i); |
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} |
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}; |
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unset($headings, $data); |
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return array_reverse(static::$parsed); |
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} |
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/* ----------------------------------------------------------------- |
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| Other Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Extract the date. |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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public static function extractDate(string $string): string |
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{ |
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return preg_replace('/.*('.self::REGEX_DATE_PATTERN.').*/', '$1', $string); |
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} |
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/** |
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* Parse raw data. |
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* |
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* @param string $raw |
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* |
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* @return array |
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*/ |
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private static function parseRawData($raw) |
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{ |
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$pattern = '/\['.self::REGEX_DATETIME_PATTERN.'\].*/'; |
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preg_match_all($pattern, $raw, $headings); |
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$data = preg_split($pattern, $raw); |
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if ($data[0] < 1) { |
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$trash = array_shift($data); |
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unset($trash); |
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} |
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return [$headings, $data]; |
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} |
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/** |
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* Populate entries. |
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* |
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* @param array $heading |
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* @param array $data |
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* @param int $key |
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*/ |
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private static function populateEntries($heading, $data, $key) |
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{ |
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foreach (LogLevels::all() as $level) { |
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if (static::hasLogLevel($heading[$key], $level)) { |
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static::$parsed[] = [ |
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'level' => $level, |
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'header' => $heading[$key], |
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'stack' => $data[$key] |
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]; |
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} |
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} |
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} |
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/** |
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* Check if header has a log level. |
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* |
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* @param string $heading |
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* @param string $level |
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* |
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* @return bool |
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*/ |
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private static function hasLogLevel($heading, $level) |
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{ |
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return Str::contains($heading, strtoupper(".{$level}:")); |
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} |
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} |
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Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()
on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClass
to useself
instead: