ceph/src/boost/libs/spirit/include/boost/spirit/home/support/detail/lexer/conversion/char_state_machine.hpp

   1 // char_state_machine.hpp
   2 // Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 #ifndef BOOST_LEXER_CHAR_STATE_MACHINE_HPP
   7 #define BOOST_LEXER_CHAR_STATE_MACHINE_HPP
   8
   9 #include "../consts.hpp"
  10 #include <map>
  11 #include "../size_t.hpp"
  12 #include "../string_token.hpp"
  13 #include <vector>
  14
  15 namespace boost
  16 {
  17 namespace lexer
  18 {
  19 namespace detail
  20 {
  21 template<typename CharT>
  22 struct basic_char_state_machine
  23 {
  24     struct state
  25     {
  26         typedef basic_string_token<CharT> string_token;
  27         typedef std::map<std::size_t, string_token> size_t_string_token_map;
  28         typedef std::pair<std::size_t, string_token> size_t_string_token_pair;
  29
  30         bool _end_state;
  31         std::size_t _id;
  32         std::size_t _unique_id;
  33         std::size_t _state;
  34         std::size_t _bol_index;
  35         std::size_t _eol_index;
  36         size_t_string_token_map _transitions;
  37
  38         state () :
  39             _end_state (false),
  40             _id (0),
  41             _unique_id (npos),
  42             _state (0),
  43             _bol_index (npos),
  44             _eol_index (npos)
  45         {
  46         }
  47     };
  48
  49     typedef std::vector<state> state_vector;
  50     typedef std::vector<state_vector> state_vector_vector;
  51
  52     state_vector_vector _sm_vector;
  53
  54     bool empty () const
  55     {
  56         return _sm_vector.empty ();
  57     }
  58
  59     void clear ()
  60     {
  61         _sm_vector.clear ();
  62     }
  63
  64     void swap (basic_char_state_machine &csm_)
  65     {
  66         _sm_vector.swap (csm_._sm_vector);
  67     }
  68 };
  69
  70 typedef basic_char_state_machine<char> char_state_machine;
  71 typedef basic_char_state_machine<wchar_t> wchar_state_machine;
  72
  73 }
  74 }
  75 }
  76
  77 #endif