FoInstanceJsonTransform.h

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// -*- mode: c++; c-basic-offset:4 -*-
//
// FoInstanceJsonTransform.h
//
// This file is part of BES JSON File Out Module
//
// Copyright (c) 2014 OPeNDAP, Inc.
// Author: Nathan Potter <ndp@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
// (c) COPYRIGHT URI/MIT 1995-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//

#ifndef FoInstanceJsonTransfrom_h_
#define FoInstanceJsonTransfrom_h_ 1

#include <string>
#include <vector>
#include <map>

#include <DDS.h>
#include <Array.h>

#include <BESObj.h>
#include <BESDataHandlerInterface.h>

class FoInstanceJsonTransform: public BESObj
{
private:
    libdap::DDS *_dds;
    std::string _localfile;
    std::string _returnAs;
    std::string _indent_increment;

    std::ostream *_ostrm;

    template<typename T> unsigned int json_simple_type_array_worker(std::ostream *strm, const std::vector<T> &values, unsigned int indx,
            const std::vector<unsigned int> &shape, unsigned int currentDim);

    template<typename T> void json_simple_type_array(std::ostream *strm, libdap::Array *a, std::string indent, bool sendData);
    void json_string_array(std::ostream *strm, libdap::Array *a, std::string indent, bool sendData);

#if 0
    unsigned int json_simple_type_array_worker_string(std::ostream *strm, const vector<std::string> &values,
            unsigned int indx, std::vector<unsigned int> *shape, unsigned int currentDim);
#endif

    void transformAtomic(std::ostream *strm, libdap::BaseType *bt, std::string indent, bool sendData);

    void transform(std::ostream *strm, libdap::DDS *dds, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::BaseType *bt, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::Structure *s, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::Grid *g, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::Sequence *s, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::Array *a, std::string indent, bool sendData);
    void transform(std::ostream *strm, libdap::AttrTable &attr_table, std::string indent);

public:
    FoInstanceJsonTransform(libdap::DDS *dds, BESDataHandlerInterface &dhi, const std::string &localfile);
    FoInstanceJsonTransform(libdap::DDS *dds, BESDataHandlerInterface &dhi, std::ostream *ostrm);

    virtual ~FoInstanceJsonTransform();

    virtual void transform(bool sendData);

    virtual void dump(std::ostream &strm) const;
};

#endif // FoInstanceJsonTransfrom_h_