/usr/share/php/Horde/Kolab/Format/Decorator/Memory.php is in php-horde-kolab-format 2.0.9-1ubuntu1.
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/**
* Determines some memory parameters while loading/saving the Kolab objects.
*
* PHP version 5
*
* @category Kolab
* @package Kolab_Format
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://www.horde.org/libraries/Horde_Kolab_Format
*/
/**
* Determines some memory parameters while loading/saving the Kolab objects.
*
* Copyright 2011-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did not
* receive this file, see
* http://www.horde.org/licenses/lgpl21.
*
* @category Kolab
* @package Kolab_Format
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://www.horde.org/libraries/Horde_Kolab_Format
*/
class Horde_Kolab_Format_Decorator_Memory
extends Horde_Kolab_Format_Decorator_Base
{
/**
* The memory tracker used for recording the memory parameters.
*
* @var Horde_Support_Memory
*/
private $_memory;
/**
* An optional logger.
*
* @var mixed
*/
private $_logger;
/**
* Constructor.
*
* @param Horde_Kolab_Format $handler The handler to be decorated.
* @param Horde_Support_Memory $memory The memory tracker.
* @param mixed $logger The logger. This must provide
* a debug() method.
*/
public function __construct(Horde_Kolab_Format $handler,
Horde_Support_Memory $memory,
$logger = null)
{
parent::__construct($handler);
$this->_memory = $memory;
$this->_logger = $logger;
}
/**
* Load an object based on the given XML stream.
*
* @param resource $xml The XML stream of the message.
* @param array $options Additional options when parsing the XML. This
* decorator provides no additional options.
*
* @return array The data array representing the object.
*
* @throws Horde_Kolab_Format_Exception
*/
public function load($xml, $options = array())
{
$this->_memory->push();
$result = $this->getHandler()->load($xml);
$this->_logger->debug(
sprintf(
'Kolab Format data parsing complete. Memory usage: %s',
$this->_formatUsage($this->_memory->pop())
)
);
return $result;
}
/**
* Convert the data to a XML stream.
*
* @param array $object The data array representing the object.
* @param array $options Additional options when writing the XML. This
* decorator provides no additional options.
*
* @return resource The data as XML stream.
*
* @throws Horde_Kolab_Format_Exception
*/
public function save($object, $options = array())
{
$this->_memory->push();
$result = $this->getHandler()->save($object);
$this->_logger->debug(
sprintf(
'Kolab Format data generation complete. Memory usage: %s',
$this->_formatUsage($this->_memory->pop())
)
);
return $result;
}
/**
* Format the memory usage information.
*
* @param array $usage The memory usage.
*
* @return string The formated memory usage.
*/
private function _formatUsage($usage)
{
return sprintf(
'%.3f MB / %.3f MB / %.3f MB / %.3f MB [change in current usage (emalloc) / change in peak usage (emalloc) / change in current usage (real) / change in peak usage (real)]',
$usage[0] / 1048576,
$usage[1] / 1048576,
$usage[2] / 1048576,
$usage[3] / 1048576
);
}
}
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