| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006 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 2, 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 COPYING. If not, write to |
| // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| // MA 02111-1307, USA. |
| |
| // As a special exception, you may use this file as part of a free |
| // software library without restriction. Specifically, if other files |
| // instantiate templates or use macros or inline functions from this |
| // file, or you compile this file and link it with other files to |
| // produce an executable, this file does not by itself cause the |
| // resulting executable to be covered by the GNU General Public |
| // License. This exception does not however invalidate any other |
| // reasons why the executable file might be covered by the GNU General |
| // Public License. |
| |
| // 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 sample_trie_e_access_traits.hpp |
| * Contains a sample probe policy. |
| */ |
| |
| #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP |
| #define PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP |
| |
| // A sample trie element-access traits. |
| class sample_trie_e_access_traits |
| { |
| |
| public: |
| |
| // Size type. |
| typedef size_t size_type; |
| |
| // Key type. |
| typedef std::string key_type; |
| |
| // Const key reference type. |
| typedef |
| typename Allocator::template rebind< |
| key_type>::other::const_reference |
| const_key_reference; |
| |
| // Element const iterator type. |
| typedef std::string::const_iterator const_iterator; |
| |
| // Element type. |
| typedef char e_type; |
| |
| enum |
| { |
| max_size = 4 |
| }; |
| |
| public: |
| |
| // Returns a const_iterator to the first element of r_key. |
| inline static const_iterator |
| begin(const_key_reference r_key); |
| |
| // Returns a const_iterator to the after-last element of r_key. |
| inline static const_iterator |
| end(const_key_reference r_key); |
| |
| // Maps an element to a position. |
| inline static size_type |
| e_pos(e_type e); |
| |
| }; |
| |
| #endif // #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP |