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// 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
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