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<?php
namespace RocketTheme\Toolbox\File;
use BadMethodCallException;
use function is_array;
use function is_object;
/**
* Implements Log File reader.
*
* @package RocketTheme\Toolbox\File
* @author RocketTheme
* @license MIT
*/
class LogFile extends File
{
/** @var static[] */
static protected $instances = [];
/**
* Constructor.
*/
protected function __construct()
{
parent::__construct();
$this->extension = '.log';
}
/**
* @param array|null $var
* @return array
*/
public function content($var = null)
{
/** @var array $content */
$content = parent::content($var);
return $content;
}
/**
* Check contents and make sure it is in correct format.
*
* @param mixed $var
* @return array
*/
protected function check($var)
{
if (!(is_array($var) || is_object($var))) {
throw new \RuntimeException('Provided data is not an array');
}
return (array)$var;
}
/**
* Encode contents into RAW string (unsupported).
*
* @param string $var
* @return string
* @throws BadMethodCallException
*/
protected function encode($var)
{
throw new BadMethodCallException('Saving log file is forbidden.');
}
/**
* Decode RAW string into contents.
*
* @param string $var
* @return array
*/
protected function decode($var)
{
$lines = preg_split('#(\r\n|\n|\r)#', $var) ?: [];
$results = [];
foreach ($lines as $line) {
preg_match('#^\[(.*)\] (.*) @ (.*) @@ (.*)$#', $line, $matches);
if ($matches) {
$results[] = ['date' => $matches[1], 'message' => $matches[2], 'url' => $matches[3], 'file' => $matches[4]];
}
}
return $results;
}
}