Files
pip/libs/main/state_machine/pistatemachine.h
peri4 3db26a762c first state machine code, exclusive already works
need to make final, parallel, timeouts
2024-07-17 14:16:25 +03:00

62 lines
1.6 KiB
C++

/*! \file pistatemachine.h
* \ingroup StateMachine
* \~\brief
* \~english State machine.
* \~russian Машина состояний.
*/
/*
PIP - Platform Independent Primitives
State machine
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program 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 3 of the License, or
(at your option) any later version.
This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef pistatemachine_H
#define pistatemachine_H
#include "pistatemachine_state.h"
#include "pistatemachine_transition.h"
//! \ingroup StateMachine
//! \~\brief
//! \~english
//! \~russian
class PIP_EXPORT PIStateMachine: public PIStateBase {
public:
PIStateMachine(const PIString & n = {});
bool start();
template<typename... Args>
bool postEvent(int event_id, Args... args) {
PIVector<PIStateBase *> active_states;
gatherActiveStates(active_states);
for (auto * s: active_states) {
for (auto * t: s->transitions) {
if (t->eventID != event_id) continue;
if (t->testGuard(args...)) {
t->trigger();
return true;
}
}
}
return false;
}
};
#endif