/***************************************************************************
 *
 * rw/lochelp - Declarations for the Standard Library locale helper classes.
 *
 * $Id: lochelp,v 1.5 1996/10/02 01:48:00 smithey Exp $
 *
 * This header defines some classes that are used by some of the source (cpp)
 * files in src/locale, mainly for manipulating the C library locale.  This
 * header is not included by any other header, and never ends up in user code.
 * See locale.cpp for implementation.
 *
 ***************************************************************************
 *
 * (c) Copyright 1994-1996 Rogue Wave Software, Inc.
 * ALL RIGHTS RESERVED
 *
 * The software and information contained herein are proprietary to, and
 * comprise valuable trade secrets of, Rogue Wave Software, Inc., which
 * intends to preserve as trade secrets such software and information.
 * This software is furnished pursuant to a written license agreement and
 * may be used, copied, transmitted, and stored only in accordance with
 * the terms of such license and with the inclusion of the above copyright
 * notice.  This software and information or any other copies thereof may
 * not be provided or otherwise made available to any other person.
 *
 * Notwithstanding any other lease or license that may pertain to, or
 * accompany the delivery of, this computer software and information, the
 * rights of the Government regarding its use, reproduction and disclosure
 * are as set forth in Section 52.227-19 of the FARS Computer
 * Software-Restricted Rights clause.
 * 
 * Use, duplication, or disclosure by the Government is subject to
 * restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
 * Technical Data and Computer Software clause at DFARS 252.227-7013.
 * Contractor/Manufacturer is Rogue Wave Software, Inc.,
 * P.O. Box 2328, Corvallis, Oregon 97339.
 *
 * This computer software and information is distributed with "restricted
 * rights."  Use, duplication or disclosure is subject to restrictions as
 * set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
 * Computer Software-Restricted Rights (April 1985)."  If the Clause at
 * 18-52.227-74 "Rights in Data General" is specified in the contract,
 * then the "Alternate III" clause applies.
 *
 **************************************************************************/

#ifndef __STD_RW_LOCHELP__
#define __STD_RW_LOCHELP__
//
//
//  Copyright Digital Equipment Corporation 1996. All rights reserved.
//
//  Restricted Rights: Use, duplication, or disclosure by the U.S.
//  Government is subject to restrictions as set forth in subparagraph
//  (c) (1) (ii) of DFARS 252.227-7013, or in FAR 52.227-19, or in FAR
//  52.227-14 Alt. III, as applicable.
//
//  This software is proprietary to and embodies the confidential
//  technology of Digital Equipment Corporation. Possession, use, or
//  copying of this software and media is authorized only pursuant to a
//  valid written license from Digital or an authorized sublicensor.
//
//

#ifndef _RWSTD_NO_NEW_HEADER
#include <clocale>
#else
#include <locale.h>
#endif

#if defined(__DECCXX)
#   ifdef __PRAGMA_ENVIRONMENT
#      pragma __environment __save
#      pragma __environment __header_defaults
#   endif
#endif

#ifndef _RWSTD_NO_NAMESPACE
namespace __rwstd {
#endif

// ------------------------------------------------
// Implementation helper class -- use_Clib_locale.
// ------------------------------------------------

class _RWSTDExport _RWSTD_IMP_DECL(use_Clib_locale) {
  int saved_cat;
  char *previous_locale_name;
 public:
  _RWSTD_IMP_DECL(use_Clib_locale) (const char *name=NULL,int cat=LC_ALL);
 ~_RWSTD_IMP_DECL(use_Clib_locale) (void);

  operator bool (void) const { return previous_locale_name!=NULL; }
};

#ifndef _RWSTD_NO_NAMESPACE
} // namespace __rwstd
#endif

#if defined(__DECCXX)
#   ifdef __PRAGMA_ENVIRONMENT
#      pragma __environment __restore
#   endif
#endif

#endif // __STD_RW_LOCHELP__