mirror of
https://github.com/friendica/friendica
synced 2024-05-27 09:56:58 +02:00
82 lines
1.9 KiB
PHP
82 lines
1.9 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @copyright Copyright (C) 2021, Friendica
|
||
|
|
*
|
||
|
|
* @license GNU AGPL version 3 or any later version
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Affero General Public License as
|
||
|
|
* published by the Free Software Foundation, either version 3 of the
|
||
|
|
* License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Affero General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Affero General Public License
|
||
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
namespace Friendica\Model\Log;
|
||
|
|
|
||
|
|
use \Friendica\Util\ReversedFileReader;
|
||
|
|
use \Friendica\Object\Log\ParsedLog;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* An iterator which returns `\Friendica\Objec\Log\ParsedLog` instances
|
||
|
|
*
|
||
|
|
* Uses `\Friendica\Util\ReversedFileReader` to fetch log lines
|
||
|
|
* from newest to oldest
|
||
|
|
*/
|
||
|
|
class ParsedLogIterator implements \Iterator
|
||
|
|
{
|
||
|
|
public function __construct(string $filename, int $limit=0)
|
||
|
|
{
|
||
|
|
$this->reader = new ReversedFileReader($filename);
|
||
|
|
$this->_value = null;
|
||
|
|
$this->_limit = $limit;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function next()
|
||
|
|
{
|
||
|
|
$this->reader->next();
|
||
|
|
if ($this->_limit > 0 && $this->reader->key() > $this->_limit) {
|
||
|
|
$this->_value = null;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ($this->reader->valid()) {
|
||
|
|
$line = $this->reader->current();
|
||
|
|
$this->_value = new ParsedLog($this->reader->key(), $line);
|
||
|
|
} else {
|
||
|
|
$this->_value = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public function rewind()
|
||
|
|
{
|
||
|
|
$this->_value = null;
|
||
|
|
$this->reader->rewind();
|
||
|
|
$this->next();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function key()
|
||
|
|
{
|
||
|
|
return $this->reader->key();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function current()
|
||
|
|
{
|
||
|
|
return $this->_value;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function valid()
|
||
|
|
{
|
||
|
|
return ! is_null($this->_value);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|