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VxFrmFtorToFile.h

/*
 *
 *  Copyright (c) 2001, TNO TPD, The Netherlands.
 *  All rights reserved. No part of this software may be handed to or used by persons 
 *  or organisation outside Kenniscentrum Watergraafsmeer (UvA-ISIS, TNO TPD) without 
 *  the written permission of TNO TPD.
 *
 *  Author(s):
 *      Jan Baan (baan@tpd.tno.nl)
 *      Jeroen Vendrig
 *
 * 
 */

#ifndef VxFrmFtorToFile_h
#define VxFrmFtorToFile_h


#include "VxFrmFtorUfo.h"
#include <fstream>

template<class T>
class VxFrmFtorToFile : public VxFrmFtorUfo {
public:
    VxFrmFtorToFile(HxString filename){
        _out=new STD_OFSTREAM(filename.c_str());
        if (!*_out)
            STD_CERR << "Error in VxFrmFtorToFile, constructor: could not open " << filename << STD_ENDL;
        //*_out << "# value" << STD_ENDL;
    }

    VxFrmFtorToFile(STD_OFSTREAM* out) : _out(out) {
    }
    
    ~VxFrmFtorToFile()
    {
        _out->close();
        delete _out;
    }
    
    virtual VxValue         doIt(int frame, const VxValue& input) {
        if (input.isNull())
            return VxValue();
        T val;
        input.get(val);
        
        *_out << frame << " " << val << STD_ENDL;
        
        return VxValue((int) 0);
    };
        
    virtual HxString        getInputClass() const {
        return HxClassName<T>();
    }

    virtual HxString        getOutputClass() const {
        return HxString("int");
    }

    virtual HxString    name() const {
        return HxString("WriteToFile");
    }

    virtual VxFrmFtorUfo*   clone() const {
        return new VxFrmFtorToFile(_out);
    }
    
    
private:    
    STD_OFSTREAM*       _out;
    
};


#endif

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