Viewing file:  VariableNode.php (2.43 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Config\Definition;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
/**
* This node represents a value of variable type in the config tree.
*
* This node is intended for values of arbitrary type.
* Any PHP type is accepted as a value.
*
* @author Jeremy Mikola <jmikola@gmail.com>
*/
class VariableNode extends BaseNode implements PrototypeNodeInterface
{
protected $defaultValueSet = false;
protected $defaultValue;
protected $allowEmptyValue = true;
/**
* {@inheritDoc}
*/
public function setDefaultValue($value)
{
$this->defaultValueSet = true;
$this->defaultValue = $value;
}
/**
* {@inheritDoc}
*/
public function hasDefaultValue()
{
return $this->defaultValueSet;
}
/**
* {@inheritDoc}
*/
public function getDefaultValue()
{
return $this->defaultValue instanceof \Closure ? call_user_func($this->defaultValue) : $this->defaultValue;
}
/**
* Sets if this node is allowed to have an empty value.
*
* @param Boolean $boolean True if this entity will accept empty values.
*/
public function setAllowEmptyValue($boolean)
{
$this->allowEmptyValue = (Boolean) $boolean;
}
/**
* {@inheritDoc}
*/
public function setName($name)
{
$this->name = $name;
}
/**
* {@inheritDoc}
*/
protected function validateType($value)
{
}
/**
* {@inheritDoc}
*/
protected function finalizeValue($value)
{
if (!$this->allowEmptyValue && empty($value)) {
$ex = new InvalidConfigurationException(sprintf(
'The path "%s" cannot contain an empty value, but got %s.',
$this->getPath(),
json_encode($value)
));
$ex->setPath($this->getPath());
throw $ex;
}
return $value;
}
/**
* {@inheritDoc}
*/
protected function normalizeValue($value)
{
return $value;
}
/**
* {@inheritDoc}
*/
protected function mergeValues($leftSide, $rightSide)
{
return $rightSide;
}
}
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