automaton.hpp
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/*
CLAW - a C++ Library Absolutely Wonderful
CLAW is a free library without any particular aim but being useful to
anyone.
Copyright (C) 2005-2011 Julien Jorge
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
contact: julien.jorge@gamned.org
*/
#ifndef __CLAW_AUTOMATON_HPP__
#define __CLAW_AUTOMATON_HPP__
#include <map>
#include <vector>
#include <claw/avl.hpp>
namespace claw
{
//***************************** automate ************************************
template<class State, class Edge, class StateComp = std::less<State>,
class EdgeComp = std::less<Edge> >
class automaton
{
public:
typedef State state_type;
typedef Edge edge_type;
typedef StateComp state_compare;
typedef EdgeComp edge_compare;
typedef std::multimap<edge_type, state_type, edge_compare> neighbours_list;
typedef std::map<state_type, neighbours_list, state_compare> adjacent_list;
typedef std::vector<state_type> result_state_list;
typedef std::vector<edge_type> result_edge_list;
public:
void add_edge( const state_type& s1, const state_type& s2,
const edge_type& e );
void remove_edge( const state_type& s1, const state_type& s2,
const edge_type& e );
void add_state( const state_type& s );
void add_initial_state( const state_type& s );
void add_final_state( const state_type& s );
bool state_exists( const state_type& s ) const;
bool state_is_final( const state_type& s ) const;
bool state_is_initial( const state_type& s ) const;
void states( result_state_list& v ) const;
void final_states( result_state_list& v ) const;
void initial_states( result_state_list& v ) const;
void alphabet( result_edge_list& v ) const;
template<class InputIterator>
bool match(InputIterator first, InputIterator last) const;
unsigned int states_count() const;
void reachables( const state_type& s, const edge_type& e,
result_state_list& l ) const;
void reachables( const state_type& s,
result_state_list& l ) const;
void edges( const state_type& s1, const state_type& s2,
result_edge_list& l ) const;
void edges( const state_type& s1, const edge_type& edge,
result_edge_list& l ) const;
private:
template<class InputIterator>
bool match_aux(const state_type& s, InputIterator first,
InputIterator last) const;
private:
static state_compare s_state_compare;
avl<edge_type, edge_compare> m_alphabet;
avl<state_type, state_compare> m_initial_states;
avl<state_type, state_compare> m_final_states;
adjacent_list m_states;
}; // automaton
} // namespace claw
#include <claw/impl/automaton.tpp>
#endif // __CLAW_AUTOMATON_HPP__
claw::avl< edge_type, edge_compare >
claw::automaton::neighbours_list
std::multimap< edge_type, state_type, edge_compare > neighbours_list
The neighbours list associates states to edge symbols.
Definition: automaton.hpp:73
claw::automaton::edge_compare
EdgeComp edge_compare
The type of the operator used to compare edge symbols.
Definition: automaton.hpp:70
claw::automaton::edge_type
Edge edge_type
The type of the symbols on the edges.
Definition: automaton.hpp:64
claw::automaton::adjacent_list
std::map< state_type, neighbours_list, state_compare > adjacent_list
Each state is given a set of reachable states with a neighbours list.
Definition: automaton.hpp:77
claw::automaton::state_compare
StateComp state_compare
The type of the operator used to compare states.
Definition: automaton.hpp:67
claw::first
Fuction object to get the first element of a std::pair.
Definition: functional.hpp:44
claw::automaton::result_state_list
std::vector< state_type > result_state_list
The return type of the methods returning states.
Definition: automaton.hpp:80
avl.hpp
AVL Binary search tree.
claw::automaton
Basic automaton structure.
Definition: automaton.hpp:57
claw::automaton::state_type
State state_type
The type of the states.
Definition: automaton.hpp:61
claw::automaton::result_edge_list
std::vector< edge_type > result_edge_list
The return type of the methods returning edges.
Definition: automaton.hpp:83
claw
This is the main namespace.
Definition: algorithm.hpp:33