//

// Validator.h

//

// $Id: //poco/1.4/Util/include/Poco/Util/Validator.h#1 $

//

// Library: Util

// Package: Options

// Module: Validator

//

// Definition of the Validator class.

//

// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.

// and Contributors.

//

// SPDX-License-Identifier: BSL-1.0

//

#ifndef Util_Validator_INCLUDED

#define Util_Validator_INCLUDED

#include "Poco/Util/Util.h"

#include "Poco/RefCountedObject.h"

namespace Poco {

namespace Util {

class Option;

class Util_API Validator: public Poco::RefCountedObject

/// Validator specifies the interface for option validators.

///

/// Option validators provide a simple way for the automatic

/// validation of command line argument values.

{

public:

virtual void validate(const Option& option, const std::string& value) = 0;

/// Validates the value for the given option.

/// Does nothing if the value is valid.

///

/// Throws an OptionException otherwise.

protected:

Validator();

/// Creates the Validator.

virtual ~Validator();

/// Destroys the Validator.

};

} } // namespace Poco::Util

#endif // Util_Validator_INCLUDED