roi_util.h

// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2015 OPeNDAP, Inc.
// Author: 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.
 
#ifndef ROI_UTILS_H_
#define ROI_UTILS_H_
 
namespace libdap {
class BaseType;
class Array;
class Structure;
}
 
namespace functions {
 
// Defined here because prior to C++ 11, defining a container using a local
// type was not allowed.
struct slice {
    int start, stop;
    string name;
};
 
void roi_bbox_valid_slice(libdap::BaseType *btp);
unsigned int roi_valid_bbox(libdap::BaseType *btp);
 
void roi_bbox_get_slice_data(libdap::Array *bbox, unsigned int i, int &start, int &stop, string &name);
 
libdap::Structure *roi_bbox_build_slice(unsigned int start_value, unsigned int stop_value, const string &dim_name);
 
unique_ptr<libdap::Array> roi_bbox_build_empty_bbox(unsigned int num_dim, const string &bbox_name = "bbox");
 
}
 
#endif /* ROI_UTILS_H_ */