view generator/parser/rpp/pp-symbol.h @ 1:e78566595089

initial import
author mandel
date Mon, 11 May 2009 16:01:50 +0000
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children 09a0f1d048f2
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/****************************************************************************
**
** Copyright (C) 1992-2008 Nokia. All rights reserved.
** Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of Qt Jambi.
**
** * Commercial Usage
* Licensees holding valid Qt Commercial licenses may use this file in
* accordance with the Qt Commercial License Agreement provided with the
* Software or, alternatively, in accordance with the terms contained in
* a written agreement between you and Nokia.
*
*
* GNU General Public License Usage
* Alternatively, this file may be used under the terms of the GNU
* General Public License versions 2.0 or 3.0 as published by the Free
* Software Foundation and appearing in the file LICENSE.GPL included in
* the packaging of this file.  Please review the following information
* to ensure GNU General Public Licensing requirements will be met:
* http://www.fsf.org/licensing/licenses/info/GPLv2.html and
* http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
* exception, Nokia gives you certain additional rights. These rights
* are described in the Nokia Qt GPL Exception version 1.2, included in
* the file GPL_EXCEPTION.txt in this package.
* 
* Qt for Windows(R) Licensees
* As a special exception, Nokia, as the sole copyright holder for Qt
* Designer, grants users of the Qt/Eclipse Integration plug-in the
* right for the Qt/Eclipse Integration to link to functionality
* provided by Qt Designer and its related libraries.
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*
* If you are unsure which license is appropriate for your use, please
* contact the sales department at qt-sales@nokia.com.

**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef PP_SYMBOL_H
#define PP_SYMBOL_H

namespace rpp {

class pp_symbol
{
  static rxx_allocator<char> &allocator_instance ()
  {
    static rxx_allocator<char>__allocator;
    return __allocator;
  }

public:
  static int &N()
  {
    static int __N;
    return __N;
  }

  static pp_fast_string const *get (char const *__data, std::size_t __size)
  {
    ++N();
    char *data = allocator_instance ().allocate (__size + 1);
    memcpy(data, __data, __size);
    data[__size] = '\0';

    char *where = allocator_instance ().allocate (sizeof (pp_fast_string));
    return new (where) pp_fast_string (data, __size);
  }

  template <typename _InputIterator>
  static pp_fast_string const *get (_InputIterator __first, _InputIterator __last)
  {
    ++N();
    std::ptrdiff_t __size;
#if defined(__SUNPRO_CC)
    std::distance (__first, __last, __size);
#else
    __size = std::distance (__first, __last);
#endif
    assert (__size >= 0 && __size < 512);

    char *data = allocator_instance ().allocate (__size + 1);
    std::copy (__first, __last, data);
    data[__size] = '\0';

    char *where = allocator_instance ().allocate (sizeof (pp_fast_string));
    return new (where) pp_fast_string (data, __size);
  }

  static pp_fast_string const *get(std::string const &__s)
  { return get (__s.c_str (), __s.size ()); }
};

} // namespace rpp

#endif // PP_SYMBOL_H

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