GridFunction.h

// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2013 OPeNDAP, Inc.
// Author:  Nathan Potter <npotter@opendap.org>
//      James Gallagher <jgallagher@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.
 
#include <libdap/ServerFunction.h>
 
namespace libdap {
class BaseType;
class DDS;
class DMR;
}
 
namespace functions {
 
void function_dap2_grid(int argc, libdap::BaseType *argv[], libdap::DDS &dds, libdap::BaseType **btpp);
libdap::BaseType *function_dap4_grid(libdap::D4RValueList *args, libdap::DMR &dmr);
 
class GridFunction: public libdap::ServerFunction
{
public:
    GridFunction()
    {
        setName("grid");
        setDescriptionString("Subsets a grid by the values of it's geo-located map variables.");
        setUsageString("grid(...)");
        setRole("http://services.opendap.org/dap4/server-side-function/grid");
        setDocUrl("https://docs.opendap.org/index.php/Server_Side_Processing_Functions#grid");
        setFunction(function_dap2_grid);
        setFunction(function_dap4_grid);
        setVersion("1.0");
    }
    virtual ~GridFunction()
    {
    }
 
    bool canOperateOn(libdap::DDS &dds);
    bool canOperateOn(libdap::DMR &dmr);
};
 
} // functions namespace