Constraint.h

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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-


/******************************************************************************
 *
 *  file:  Constraint.h
 *
 *  Copyright (c) 2005, Michael E. Smoot
 *  Copyright (c) 2017, Google LLC
 *  All rights reserved.
 *
 *  See the file COPYING in the top directory of this distribution for
 *  more information.
 *
 *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 *
 *****************************************************************************/

#ifndef TCLAP_CONSTRAINT_H
#define TCLAP_CONSTRAINT_H

#include <string>
#include <vector>
#include <list>
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <stdexcept>

namespace TCLAP {

template<class T>
class Constraint
{

    public:
        virtual std::string description() const =0;

        virtual std::string shortID() const =0;

        virtual bool check(const T& value) const =0;

        virtual ~Constraint() { ; }

        static std::string shortID(Constraint<T> *constraint) {
          if (!constraint)
            throw std::logic_error("Cannot create a ValueArg with a NULL constraint");
          return constraint->shortID();
        }
};

} //namespace TCLAP
#endif