NullPhysicalUnitSystemService.cc

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* NullPhysicalUnitSystemService.h                             (C) 2000-2022 */
/*                                                                           */
/* Default physical unit system management.                                  */
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#include "arcane/utils/PlatformUtils.h"
#include "arcane/utils/NotSupportedException.h"
#include "arcane/utils/TraceInfo.h"
#include "arcane/utils/ArrayView.h"
 
#include "arcane/core/IPhysicalUnitSystemService.h"
#include "arcane/core/IPhysicalUnitSystem.h"
#include "arcane/core/IPhysicalUnitConverter.h"
#include "arcane/core/IPhysicalUnit.h"
 
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namespace Arcane
{
 
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class NullPhysicalUnitConverter;
class NullPhysicalUnit;
class NullPhysicalUnitSystem;
 
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class NullPhysicalUnit
: public IPhysicalUnit
{
 public:
 
  friend class NullPhysicalUnitSystem;
 
 public:
 
  const String& name() const override
  {
    return m_name;
  }
 
 private:
 
  String m_name;
};
 
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class NullPhysicalUnitConverter
: public IPhysicalUnitConverter
{
 public:
 
  NullPhysicalUnitConverter()
  {
  }
 
 public:
 
  Real convert(Real value) override
  {
    ARCANE_UNUSED(value);
    throw NotSupportedException(A_FUNCINFO);
  }
 
  void convert(RealConstArrayView input_values,
               RealArrayView output_values) override
  {
    ARCANE_UNUSED(input_values);
    ARCANE_UNUSED(output_values);
    throw NotSupportedException(A_FUNCINFO);
  }
 
  IPhysicalUnit* fromUnit() override
  {
    return m_from_unit;
  }
 
  IPhysicalUnit* toUnit() override
  {
    return m_to_unit;
  }
 
 public:
 private:
 
  NullPhysicalUnit* m_from_unit = nullptr;
  NullPhysicalUnit* m_to_unit = nullptr;
};
 
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class NullPhysicalUnitSystem
: public IPhysicalUnitSystem
{
 public:
 
  NullPhysicalUnitSystem() = default;
 
  IPhysicalUnitConverter* createConverter(IPhysicalUnit* from, IPhysicalUnit* to) override
  {
    ARCANE_UNUSED(from);
    ARCANE_UNUSED(to);
    NullPhysicalUnitConverter* cvt = new NullPhysicalUnitConverter();
    return cvt;
  }
 
  IPhysicalUnitConverter* createConverter(const String& from, const String& to) override
  {
    ARCANE_UNUSED(from);
    ARCANE_UNUSED(to);
    NullPhysicalUnitConverter* cvt = new NullPhysicalUnitConverter();
    return cvt;
  }
 
 public:
 private:
};
 
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class NullPhysicalUnitSystemService
: public IPhysicalUnitSystemService
{
 public:
 
  NullPhysicalUnitSystemService() = default;
 
 public:
 
  void build() override {}
 
 public:
 
  IPhysicalUnitSystem* createStandardUnitSystem() override
  {
    NullPhysicalUnitSystem* s = new NullPhysicalUnitSystem();
    return s;
  }
 
 private:
};
 
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extern "C++" IPhysicalUnitSystemService*
createNullPhysicalUnitSystemService()
{
  IPhysicalUnitSystemService* s = new NullPhysicalUnitSystemService();
  s->build();
  return s;
}
 
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} // End namespace Arcane
 
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