fsa.C

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/*!
 *  \file fsa.C
 *  \brief Contains the implementation of FSA (finite state automata) classes.
 *
 *  \note The implementations for some other classes are in here as well, but
 *  they should probably be moved to another file.
 *
 *  \sa fsa.H
 *
 */

#include "fsa.H"

HASH *VIEWint_list::_dhash = 0;

void 
VIEWint::rem_interactor(State *s)
{
   FSA* fsa = 0;
   for (int i=0; i < _cur_states.num(); i++) {
      if ((fsa = _cur_states[i])->start() == s) {
         _cur_states.remove(i);
         // XXX - following line assumes interactor was
         //  added via
         //     VIEWint::add_interactor(State *s),
         //  which allocates a new FSA,
         //  so we delete it now:
         delete fsa;
         break;
      }
   }
}

//
// Forwards events to any matching FSA's
//
void
VIEWint::handle_event(
   CEvd  &e
   )
{
   VIEW::push(_view);
   Event  ev(_view, e);
   for (int i=0; i < _cur_states.num(); i++) {
      _cur_states[i]->handle_event(ev);
   }

   while (!_events.empty()) {
      ev = Event(_view, _events.pop());
      for (int t=0; t < _cur_states.num(); t++) {
         _cur_states[t]->handle_event(ev);
      }
   }
   VIEW::pop();
}

/* end of file fsa.C */

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