TextDataEventReporter.h

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#ifndef SimTK_SIMBODY_TEXT_DATA_EVENT_REPORTER_H_
#define SimTK_SIMBODY_TEXT_DATA_EVENT_REPORTER_H_

/* -------------------------------------------------------------------------- *
 *                               Simbody(tm)                                  *
 * -------------------------------------------------------------------------- *
 * This is part of the SimTK biosimulation toolkit originating from           *
 * Simbios, the NIH National Center for Physics-Based Simulation of           *
 * Biological Structures at Stanford, funded under the NIH Roadmap for        *
 * Medical Research, grant U54 GM072970. See https://simtk.org/home/simbody.  *
 *                                                                            *
 * Portions copyright (c) 2007-12 Stanford University and the Authors.        *
 * Authors: Peter Eastman                                                     *
 * Contributors:                                                              *
 *                                                                            *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may    *
 * not use this file except in compliance with the License. You may obtain a  *
 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0.         *
 *                                                                            *
 * Unless required by applicable law or agreed to in writing, software        *
 * distributed under the License is distributed on an "AS IS" BASIS,          *
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
 * See the License for the specific language governing permissions and        *
 * limitations under the License.                                             *
 * -------------------------------------------------------------------------- */

#include "SimTKcommon.h"
#include "simbody/internal/common.h"

namespace SimTK {


class SimTK_SIMBODY_EXPORT TextDataEventReporter 
:   public PeriodicEventReporter {
public:

    template <class T> class UserFunction {
    public:
        virtual ~UserFunction() {}
        virtual T evaluate(const System& system, const State& state) = 0;
    };

    TextDataEventReporter(const System&         system, 
                          UserFunction<Real>*   function, 
                          Real                  reportInterval);

    TextDataEventReporter(const System&         system, 
                          UserFunction<Vector>* function, 
                          Real                  reportInterval);
    ~TextDataEventReporter();

    void handleEvent(const State& state) const override;

    class TextDataEventReporterRep;
protected:
    TextDataEventReporterRep* rep;
    const TextDataEventReporterRep& getRep() const {assert(rep); return *rep;}
    TextDataEventReporterRep&       updRep() const {assert(rep); return *rep;}
};

} // namespace SimTK

#endif // SimTK_SIMBODY_TEXT_DATA_EVENT_REPORTER_H_