/****************************************************************************
**
** Copyright (C) 1992-2009 Nokia. All rights reserved.
** Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of Qt Jambi.
**
** Commercial Usage
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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 Lesser General Public License Usage
Alternatively, this file may be used under the terms of the GNU Lesser
General Public License version 2.1 as published by the Free Software
Foundation and appearing in the file LICENSE.LGPL included in the
packaging of this file.  Please review the following information to
ensure the GNU Lesser General Public License version 2.1 requirements
will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

In addition, as a special exception, Nokia gives you certain
additional rights. These rights are described in the Nokia Qt LGPL
Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
package.

GNU General Public License Usage
Alternatively, this file may be used under the terms of the GNU
General Public License version 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 the GNU General Public License version 3.0 requirements will be
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**
** 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_STRING_H
#define PP_STRING_H

namespace rpp {

template <typename _CharT>
class pp_string
{
  typedef std::char_traits<_CharT> traits_type;
  typedef std::size_t size_type;

  _CharT const *_M_begin;
  std::size_t _M_size;

public:
  inline pp_string ():
    _M_begin (0), _M_size(0) {}

  explicit pp_string (std::string const &__s):
    _M_begin (__s.c_str ()), _M_size (__s.size ()) {}

  inline pp_string (_CharT const *__begin, std::size_t __size):
    _M_begin (__begin), _M_size (__size) {}

  inline _CharT const *begin () const { return _M_begin; }
  inline _CharT const *end () const { return _M_begin + _M_size; }

  inline _CharT at (std::size_t index) const { return _M_begin [index]; }

  inline std::size_t size () const { return _M_size; }

  inline int compare (pp_string const &__other) const
  {
    size_type const __size = this->size();
    size_type const __osize = __other.size();
    size_type const __len = std::min (__size,  __osize);

    int __r = traits_type::compare (_M_begin, __other._M_begin, __len);
    if (!__r)
        __r =  (int) (__size - __osize);

    return __r;
  }

  inline bool operator == (pp_string const &__other) const
  { return compare (__other) == 0; }

  inline bool operator != (pp_string const &__other) const
  { return compare (__other) != 0; }

  inline bool operator < (pp_string const &__other) const
  { return compare (__other) < 0; }

  inline bool operator == (char const *s) const
  {
    std::size_t n = strlen (s);

    if (n != _M_size)
      return false;

    return ! strncmp (_M_begin, s, n);
  }

  inline bool operator != (char const *s) const
  { return ! operator == (s); }
};

} // namespace rpp

#endif // PP_STRING_H

// kate: space-indent on; indent-width 2; replace-tabs on;