| // char_state_machine.hpp |
| // Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| #ifndef BOOST_LEXER_CHAR_STATE_MACHINE_HPP |
| #define BOOST_LEXER_CHAR_STATE_MACHINE_HPP |
| |
| #include "../consts.hpp" |
| #include <map> |
| #include "../size_t.hpp" |
| #include "../string_token.hpp" |
| #include <vector> |
| |
| namespace boost |
| { |
| namespace lexer |
| { |
| namespace detail |
| { |
| template<typename CharT> |
| struct basic_char_state_machine |
| { |
| struct state |
| { |
| typedef basic_string_token<CharT> string_token; |
| typedef std::map<std::size_t, string_token> size_t_string_token_map; |
| typedef std::pair<std::size_t, string_token> size_t_string_token_pair; |
| |
| bool _end_state; |
| std::size_t _id; |
| std::size_t _unique_id; |
| std::size_t _state; |
| std::size_t _bol_index; |
| std::size_t _eol_index; |
| size_t_string_token_map _transitions; |
| |
| state () : |
| _end_state (false), |
| _id (0), |
| _unique_id (npos), |
| _state (0), |
| _bol_index (npos), |
| _eol_index (npos) |
| { |
| } |
| }; |
| |
| typedef std::vector<state> state_vector; |
| typedef std::vector<state_vector> state_vector_vector; |
| |
| state_vector_vector _sm_vector; |
| |
| bool empty () const |
| { |
| return _sm_vector.empty (); |
| } |
| |
| void clear () |
| { |
| _sm_vector.clear (); |
| } |
| |
| void swap (basic_char_state_machine &csm_) |
| { |
| _sm_vector.swap (csm_._sm_vector); |
| } |
| }; |
| |
| typedef basic_char_state_machine<char> char_state_machine; |
| typedef basic_char_state_machine<wchar_t> wchar_state_machine; |
| |
| } |
| } |
| } |
| |
| #endif |