ColumnType.h

Go to the documentation of this file.

/*
 * (C) Copyright 1996-2012 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
#ifndef odc_api_ColumnType_H
#define odc_api_ColumnType_H
 
#include <cstdint>
#include <cstddef>
 
namespace odc {
namespace api {
 
//------------------------------------------------------------------------------------------------------------
 
enum ColumnType {
    IGNORE   = 0,
    INTEGER  = 1,
    REAL     = 2,
    STRING   = 3,
    BITFIELD = 4,
    DOUBLE   = 5
};
 
constexpr int NUM_TYPES = 6;
 
template <ColumnType ty> struct OdbTypes{};
 
// Specialisations
 
template <> struct OdbTypes<IGNORE>   {
    static constexpr const char* name = "ignore";
    // Size undefined
};
template <> struct OdbTypes<INTEGER>  {
    static constexpr const char* name = "integer";
    static constexpr size_t size = sizeof(int64_t);
};
template <> struct OdbTypes<REAL>     {
    static constexpr const char* name = "real";
    static constexpr size_t size = sizeof(float);
};
template <> struct OdbTypes<STRING>   {
    static constexpr const char* name = "string";
    // Size variable
};
template <> struct OdbTypes<BITFIELD> {
    static constexpr const char* name = "bitfield";
    static constexpr size_t size = sizeof(int64_t);
};
template <> struct OdbTypes<DOUBLE> {
    static constexpr const char* name = "double";
    static constexpr size_t size = sizeof(double);
};
 
//------------------------------------------------------------------------------------------------------------
 
} // namespace api
} // namespace odc 
 
#endif // odc_api_ColumnType_H