/**
* Validates the parameter value.
* Also sets the value to the default when it's not set or invalid, assuming there is a default.
*
* @since 0.5
*
* @param $definitions array of ParamDefinition
* @param $params array of Param
* @param ValidatorOptions $options
*
* @throws MWException
*/
protected function doValidation(array $definitions, array $params, ValidatorOptions $options)
{
if ($this->setCount == 0) {
if ($this->definition->isRequired()) {
// This should not occur, so throw an exception.
throw new MWException('Attempted to validate a required parameter without first setting a value.');
} else {
$this->setToDefault();
}
} else {
$validationResult = $this->definition->validate($this, $definitions, $params, $options);
if (is_array($validationResult)) {
/**
* @var ValidationError $error
*/
foreach ($validationResult as $error) {
$error->addTags($this->getName());
$this->errors[] = $error;
}
}
$this->validateCriteria($definitions, $params);
$this->setToDefaultIfNeeded();
}
}
