uint8.H

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2020-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Primitive
    uint8_t
 
Description
    8bit unsigned integer
 
SourceFiles
    uint8.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_primitives_uint8_H
#define Foam_primitives_uint8_H
 
#include <cstdint>
#include <climits>
#include <cstdlib>
 
#include "direction.H"
#include "pTraits.H"
#include "word.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
//- A word representation of uint8 value
inline word name(const uint8_t val)
{
    return word(std::to_string(int(val)), false); // Needs no stripping
}
 
 
//- A word representation of uint8 value
template<>
struct nameOp<uint8_t>
{
    word operator()(const uint8_t val) const
    {
        return word(std::to_string(int(val)), false); // Needs no stripping
    }
};
 
 
// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
//- Read uint8_t from stream.
uint8_t readUint8(Istream& is);
 
// IO operators are identical to direction, which is uint8_t
 
 
/*---------------------------------------------------------------------------*\
                        Specialization pTraits<uint8_t>
\*---------------------------------------------------------------------------*/
 
//- Template specialization for pTraits<uint8_t>
template<>
class pTraits<uint8_t>
{
    uint8_t p_;
 
public:
 
    // Typedefs
 
        //- Component type
        typedef uint8_t cmptType;
 
 
    // Member Constants
 
        //- Dimensionality of space
        static constexpr direction dim = 3;
 
        //- Rank of uint8_t is 0
        static constexpr direction rank = 0;
 
        //- Number of components in uint8_t is 1
        static constexpr direction nComponents = 1;
 
 
    // Limits
 
        static constexpr uint8_t min_ = 0;
        static constexpr uint8_t max_ = UINT8_MAX;
 
 
    // Static Data Members
 
        static const char* const typeName;
        static const char* const componentNames[];
        static const uint8_t zero;
        static const uint8_t one;
        static const uint8_t min;
        static const uint8_t max;
        static const uint8_t rootMax;
        static const uint8_t rootMin;
 
 
    // Constructors
 
        //- Copy construct from primitive
        explicit pTraits(uint8_t val) noexcept : p_(val) {}
 
        //- Read construct from Istream
        explicit pTraits(Istream& is);
 
 
    // Member Functions
 
        //- Return the value
        operator uint8_t() const noexcept { return p_; }
 
        //- Access the value
        operator uint8_t&() noexcept { return p_; }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //