<?php
/*
* Queasy PHP Framework - Configuration
*
* (c) Vitaly Demyanenko <vitaly_demyanenko@yahoo.com>
*
* For the full copyright and license information, please view the LICENSE file that was distributed with this source code.
*/
namespace queasy\config;
/**
* Abstract configuration class
*/
abstract class AbstractConfig implements ConfigInterface
{
/**
* @var string|array|null Config data or path to data
*/
private $data;
/**
* @var ConfigInterface|null Reference to parent config
*/
private $parent;
/**
* Constructor.
*
* @param mixed $data Configuration data
* @param ConfigInterface|null Parent config instance
*/
public function __construct($data = null, ConfigInterface $parent = null)
{
$this->setData($data);
$this->setParent($parent);
}
/**
* Get an option value from configuration by option name provided like a object property.
*
* @param string $name Option name
*
* @return mixed|null Option value or null if option is missing
*/
public function __get($name)
{
return $this->get($name);
}
/**
* Call class instance as a function.
*
* @param string $name Option name
* @param string $default Default option value (optional)
*
* @return mixed Option value or $default if $name option is missing
*/
function __invoke($name, $default = null)
{
return (1 === func_num_args())
? $this->need($name)
: $this->get($name, $default);
}
/**
* Set config data
*
* @param mixed $data Config data
*/
protected function setData(&$data)
{
$this->data = $data;
}
/**
* Return config data
*
* @return &mixed Config data
*/
protected function &data()
{
return $this->data;
}
/**
* Set parent configuration object.
*
* @param ConfigInterface|null $parent Parent config instance
*/
protected function setParent(ConfigInterface $parent = null)
{
$this->parent = $parent;
}
/**
* Return parent configuration object.
*
* @return ConfigInterface|null Parent config instance or null
*/
protected function parent()
{
return $this->parent;
}
}
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