Subversion Repositories openrisc_2011-10-31

// -*- C++ -*-

// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the terms

// of the GNU General Public License as published by the Free Software

// Foundation; either version 3, or (at your option) any later

// version.

// This library is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file basic_type.hpp

 * Contains a type used for regression tests' key and data.

 */

#ifndef PB_DS_BASIC_TYPE_HPP

#define PB_DS_BASIC_TYPE_HPP

#include <string>

#include <ext/throw_allocator.h>

namespace __gnu_pbds

{

namespace test

{

#define PB_DS_BASE_C_DEC \

  std::basic_string<char, std::char_traits<char>, \

                    __gnu_cxx::throw_allocator_random<char> >

  struct basic_type : public PB_DS_BASE_C_DEC

  {

  private:

    typedef PB_DS_BASE_C_DEC base_type;

  public:

    enum

      {

        distinct_chars = 4

      };

    basic_type() { }

    template<typename Gen>

    basic_type(Gen& r_gen, size_t max)

    {

      size_t rnd = r_gen.get_unsigned_long(0, static_cast<unsigned long>(max));

      while (rnd > 0)

        {

          base_type::push_back('a' + static_cast<char>(rnd % distinct_chars));

          rnd /= distinct_chars;

        }

    }

    basic_type(const std::string other)

    {

      std::string::const_iterator it = other.begin();

      while (it != other.end())

        {

          base_type::push_back(*it);

          ++it;

        }

    }

    operator std::string() const

    { return std::string(base_type::c_str());}

  };

#undef PB_DS_BASE_C_DEC

} // namespace test

} // namespace __gnu_pbds

#endif