// Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

//============================================================================
//==== Title: char16_t.hxx
//==== Role : The headr file of primitive type "ExtCharacter" from package "Standard"
//====
//==== Implementation:  This is a primitive type implemented with typedef
//====                  Excepting "Unicod encoding"
//============================================================================

#ifndef _Standard_ExtCharacter_HeaderFile
#define _Standard_ExtCharacter_HeaderFile

#include "Standard_TypeDef.hxx"

// ===============
// inline methods
// ===============

// ------------------------------------------------------------------
// ToExtCharacter : Returns an ExtCharacter from a Character
// ------------------------------------------------------------------
inline char16_t ToExtCharacter(const char achar)
{
  //  extension a zero (partie haute-->octet de gauche) de achar
  return (char16_t)((unsigned char)achar & 0x00ff);
}

// ------------------------------------------------------------------
// ToCharacter : Returns an Character from an ExtCharacter
// ------------------------------------------------------------------
inline char ToCharacter(const char16_t achar)
{
  //  recuperer partie basse(octet de droite) de achar
  return (char)(unsigned char)(achar & 0x00ff);
}

// ------------------------------------------------------------------
// IsAnAscii : Returns True if an ExtCharacter is in the "Ascii Range"
// ------------------------------------------------------------------
inline bool IsAnAscii(const char16_t achar)
{
  return !(achar & 0xff00);
}

// ------------------------------------------------------------------
// IsEqual : Returns true if two characters have the same value
// ------------------------------------------------------------------
inline bool IsEqual(const char16_t One, const char16_t Two)
{
  return One == Two;
}

#endif