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<?php
/**
* @see https://github.com/zendframework/zend-config for the canonical source repository
* @copyright Copyright (c) 2005-2017 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-config/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Config\Processor;
use Zend\Config\Config;
use Zend\Config\Exception;
use Zend\Stdlib\PriorityQueue;
class Queue extends PriorityQueue implements ProcessorInterface
{
/**
* Process the whole config structure with each parser in the queue.
*
* @param Config $config
* @return Config
* @throws Exception\InvalidArgumentException
*/
public function process(Config $config)
{
if ($config->isReadOnly()) {
throw new Exception\InvalidArgumentException('Cannot process config because it is read-only');
}
foreach ($this as $parser) {
/** @var $parser ProcessorInterface */
$parser->process($config);
}
}
/**
* Process a single value
*
* @param mixed $value
* @return mixed
*/
public function processValue($value)
{
foreach ($this as $parser) {
/** @var $parser ProcessorInterface */
$value = $parser->processValue($value);
}
return $value;
}
}
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