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TemplatesAliases.h
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TemplatesAliases.h
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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture *
* (c) 2006 INRIA, USTL, UJF, CNRS, MGH *
* *
* This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>. *
*******************************************************************************
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_HELPER_TEMPLATESALIASES_H
#define SOFA_HELPER_TEMPLATESALIASES_H
#include <sofa/defaulttype/config.h>
#include <string>
namespace sofa::defaulttype
{
template<class T>
constexpr bool isDouble(){return false;}
template<>
constexpr bool isDouble<double>(){return true;}
constexpr bool isSRealDouble(){ return isDouble<SReal>(); }
constexpr bool isSRealFloat(){ return !isDouble<SReal>(); }
typedef std::pair<std::string, bool> TemplateAlias;
/**
* \brief Class used to store and resolve template aliases.
*
* \see RegisterTemplateAlias for how new aliases should be registered.
*
*/
class SOFA_DEFAULTTYPE_API TemplateAliases
{
public:
/// Add an alias for a template
///
/// \param name name of the new alias
/// \param result real template pointed to
static bool addAlias(const std::string& name, const std::string& result, const bool doWarnUser);
/// Get the template pointed to by the alias. Returns the input if there is no alias.
static std::string resolveAlias(const std::string& name);
/// Get the alias template associated with a given name. Return false & nullptr if none;
static const TemplateAlias* getTemplateAlias(const std::string& name);
};
/**
* \brief Helper class used to register a template alias in the TemplateAliases class.
*
* It should be used as a temporary object. For example :
* \code
* defaulttype::RegisterTemplateAlias Vec3Alias("Vec3", "Vec3d");
* \endcode
*
*/
class SOFA_DEFAULTTYPE_API RegisterTemplateAlias
{
public:
/// Register an alias
RegisterTemplateAlias(const std::string& alias, const std::string& result, const bool doWarnUser=false);
};
}
#endif // SOFA_HELPER_TEMPLATESALIASES_H