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//
// KIM-API: An API for interatomic models
// Copyright (c) 2013--2022, Regents of the University of Minnesota.
// All rights reserved.
//
// Contributors:
// Ryan S. Elliott
//
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// 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
//
//
// Release: This file is part of the kim-api.git repository.
//
#ifndef KIM_LANGUAGE_NAME_HPP_
#define KIM_LANGUAGE_NAME_HPP_
#include <string>
namespace KIM
{
/// \brief An \ref extensible_enumeration "Extensible Enumeration" for the
/// LanguageName's supported by the %KIM API.
///
/// The enumeration constants are contained in the LANGUAGE_NAME namespace.
///
/// \sa KIM_LanguageName, kim_language_name_module::kim_language_name_type
///
/// \since 2.0
class LanguageName
{
public:
/// \brief Integer identifying the specific LanguageName represented.
///
/// \note This should not be directly accessed and is only public for
/// cross-language reasons.
///
/// \sa KIM_LanguageName::languageNameID,
/// kim_language_name_module::kim_language_name_type::language_name_id
///
/// \since 2.0
int languageNameID;
/// \brief Create an uninitialized LanguageName object.
///
/// \since 2.0
LanguageName();
/// \brief Create a LanguageName object with the specified id.
///
/// \note This should not be used directly.
///
/// \since 2.0
LanguageName(int const id);
/// \brief Create a LanguageName object corresponding to the provided string.
/// If the string does not match one of the values defined by the %KIM API,
/// then an "unknown" object is generated.
///
/// \sa KIM_LanguageName_FromString,
/// kim_language_name_module::kim_from_string
///
/// \since 2.0
LanguageName(std::string const & str);
/// \brief Determines if the object is a quantity known to the %KIM API.
///
/// LanguageName's known to the %KIM API are found in the LANGUAGE_NAME
/// namespace.
///
/// \sa KIM_LanguageName_Known, kim_language_name_module::kim_known
///
/// \since 2.0
bool Known() const;
/// \brief Compares LanguageName objects for equality.
///
/// \note Not all "unknown" objects are equal.
///
/// \sa KIM_LanguageName_Equal, kim_language_name_module::operator(.eq.)
///
/// \since 2.0
bool operator==(LanguageName const & rhs) const;
/// \brief Compares LanguageName objects for inequality.
///
/// \note It is possible for two "unknown" objects to be not equal.
///
/// \sa KIM_LanguageName_NotEqual, kim_language_name_module::operator(.ne.)
///
/// \since 2.0
bool operator!=(LanguageName const & rhs) const;
/// \brief Converts the object to a string.
///
/// \return A string object representing the LanguageName object.
///
/// \note If the LanguageName object does not correspond to a value defined
/// by the %KIM API, then the string "unknown" is returned.
///
/// \sa KIM_LanguageName_ToString, kim_language_name_module::kim_to_string
///
/// \since 2.0
std::string const & ToString() const;
}; // class LanguageName
/// \brief Contains the enumeration constants and the discovery routines for
/// the LanguageName \ref extensible_enumeration "Extensible Enumeration".
namespace LANGUAGE_NAME
{
/// \brief The standard \c cpp language.
///
/// \todo Add more detailed description of the language.
///
/// \sa KIM_LANGUAGE_NAME_cpp, kim_language_name_module::kim_language_name_cpp
///
/// \since 2.0
extern LanguageName const cpp;
/// \brief The standard \c c language.
///
/// \todo Add more detailed description of the language.
///
/// \sa KIM_LANGUAGE_NAME_c, kim_language_name_module::kim_language_name_c
///
/// \since 2.0
extern LanguageName const c;
/// \brief The standard \c fortran language.
///
/// \todo Add more detailed description of the language.
///
/// \sa KIM_LANGUAGE_NAME_fortran,
/// kim_language_name_module::kim_language_name_fortran
///
/// \since 2.0
extern LanguageName const fortran;
/// \brief Get the number of standard LanguageName's defined by the %KIM
/// API.
///
/// \param[out] numberOfLanguageNames The number of standard LanguageName's
/// defined by the %KIM API.
///
/// \sa KIM_LANGUAGE_NAME_GetNumberOfLanguageNames,
/// kim_language_name_module::kim_get_number_of_language_names
///
/// \since 2.0
void GetNumberOfLanguageNames(int * const numberOfLanguageNames);
/// \brief Get the identity of each defined standard LanguageName.
///
/// \param[in] index Zero-based index uniquely labeling each defined standard
/// LanguageName. This index ordering is only guaranteed to be
/// stable during the lifetime of the current process.
/// \param[out] languageName The LanguageName object associated with \c index.
///
/// \return \c true if `index < 0` or `index >= numberOfLanguageNames`.
/// \return \c false otherwise.
///
/// \sa KIM_LANGUAGE_NAME_GetLanguageName,
/// kim_language_name_module::kim_get_language_name
///
/// \since 2.0
int GetLanguageName(int const index, LanguageName * const languageName);
/// \brief Structure provided for use with std::map.
///
/// \since 2.0
struct Comparator
{
/// \brief Provides an (logically unmeaningful) ordering for LanguageName
/// objects so that they can be stored in a std::map.
///
/// \since 2.0
bool operator()(LanguageName const & a, LanguageName const & b) const
{
return a.languageNameID < b.languageNameID;
}
}; // struct Comparator
} // namespace LANGUAGE_NAME
} // namespace KIM
#endif // KIM_LANGUAGE_NAME_HPP_
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