netcdftools.h

/*
  Copyright (c) 2019 Sven Willner <sven.willner@gmail.com>

  Permission is hereby granted, free of charge, to any person
  obtaining a copy of this software and associated documentation files
  (the "Software"), to deal in the Software without restriction,
  including without limitation the rights to use, copy, modify, merge,
  publish, distribute, sublicense, and/or sell copies of the Software,
  and to permit persons to whom the Software is furnished to do so,
  subject to the following conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
*/

#ifndef NETCDFTOOLS_H
#define NETCDFTOOLS_H

#if defined(__CUDACC__)
#pragma push
#pragma diag_suppress = useless_type_qualifier_on_return_type
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#pragma warning push
#pragma warning disable : 858
#elif defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wignored-qualifiers"
#pragma GCC diagnostic ignored "-Wpedantic"
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif

// IWYU pragma: begin_exports
#include "ncCompoundType.h"
#include "ncDim.h"
#include "ncException.h"
#include "ncFile.h"
#include "ncGroup.h"
#include "ncGroupAtt.h"
#include "ncType.h"
#include "ncVar.h"
#include "ncVarAtt.h"
#include "netcdf"
// IWYU pragma: end_exports

#if defined(__CUDACC__)
#pragma pop
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#pragma warning pop
#elif defined(__GNUC__)
#pragma GCC diagnostic pop
#endif

#include <fstream>
#include <stdexcept>
#include <string>
#include <vector>

namespace netCDF {

inline bool check_dimensions(const netCDF::NcVar& var, const std::vector<std::string>& names) {
    const auto& dims = var.getDims();
    if (dims.size() != names.size()) {
        return false;
    }
    for (std::size_t i = 0; i < names.size(); ++i) {
        if (!names[i].empty() && dims[i].getName() != names[i]) {
            return false;
        }
    }
    return true;
}

inline void check_file_exists(const std::string& filename) {
    std::ifstream infile(filename);
    if (!infile.good()) {
        throw std::runtime_error(filename + " not found");
    }
}

template<typename Function>
inline void for_type(netCDF::NcType::ncType t, Function&& f) {
    switch (t) {
        case netCDF::NcType::nc_DOUBLE: {
            double type = 0;
            f(type);
        } break;
        case netCDF::NcType::nc_FLOAT: {
            float type = 0;
            f(type);
        } break;
        case netCDF::NcType::nc_USHORT: {
            int16_t type = 0;
            f(type);
        } break;
        case netCDF::NcType::nc_INT: {
            int type = 0;
            f(type);
        } break;
        case netCDF::NcType::nc_BYTE: {
            signed char type = 0;
            f(type);
        } break;
        default:
            throw std::runtime_error("Variable type not supported");
    }
}

}  // namespace netCDF

#endif