// wide to narrow
extern_string_type wton(const intern_string_type& src) const {
// preparations
// a size of src string
const std::size_t src_size = src.length();
// no more task
if (src_size == 0) return extern_string_type();
// calc a size of dst string
// This value is expected maximum.
const std::size_t dst_size = codecvt().max_length() * src_size;
// buffers
std::vector<extern_type> dst_vctr(dst_size);
extern_type* const dst = &dst_vctr[0];
// a dummy variable and a pointer to the next position
const intern_type* dummy;
extern_type* next;
// cache the first position of c style characters
const intern_type* const s = src.c_str();
// do it
if (codecvt().out(
out_state(),
s, s + src_size, dummy,
dst, dst + dst_size, next) == codecvt_type::ok) {
return std::string(dst, next - dst);
}
std::wstring errmsg(L"failed: ");
errmsg.append(src);
throw util::exception::wlogic_error(errmsg);
}
int main(void)
{
QUEUE queue;
int value;
init(&queue);
in_state(en_queue(&queue, 1));
in_state(en_queue(&queue, 3));
in_state(en_queue(&queue, 6));
in_state(en_queue(&queue, 4));
in_state(en_queue(&queue, 9));
in_state(en_queue(&queue, 10));
in_state(en_queue(&queue, 19));
traverse(&queue);
out_state(out(&queue, &value));
printf("出队元素：%d\n", value);
traverse(&queue);
return ;
}
int main(int argc, char** argv)
{
(void)(argc);
(void)(argv);
test_fsm fsm;
std::cout << std::endl << "Test fsm" << std::endl;
std::cout << "sizeof(test_fsm): " << sizeof(test_fsm) << std::endl;
struct ev_1 ev1;
struct ev_2 ev2;
struct ev_3 ev3;
struct ev_4 ev4;
struct ev_5 ev5;
struct ev_6 ev6;
st s;
std::cout << "TEST 1" << std::endl;
std::cout << "initial state: ";
out_state(fsm.state());
// 1 -> 2 -> 3 -> 4 -> 5 -> 1
s = fsm.process_event(ev1);
out_state(s);
s = fsm.process_event(ev2);
out_state(s);
s = fsm.process_event(ev3);
out_state(s);
s = fsm.process_event(ev4);
out_state(s);
s = fsm.process_event(ev5);
out_state(s);
std::cout << std::endl << "TEST 2" << std::endl;
std::cout << "initial state: ";
out_state(fsm.state());
// 1 -> 2 -> 4 -> 5 -> 5
s = fsm.process_event(ev1);
out_state(s);
s = fsm.process_event(ev6);
out_state(s);
s = fsm.process_event(ev4);
out_state(s);
s = fsm.process_event(ev6);
out_state(s);
fsm.reset();
std::cout << std::endl << "TEST 3" << std::endl;
std::cout << "initial state: ";
out_state(fsm.state());
// 1 -> 2 -> 3
s = fsm.process_event(ev1);
out_state(s);
s = fsm.process_event(ev2);
out_state(s);
s = fsm.process_event(ev6);
out_state(s);
std::cout << std::endl << "Player fsm" << std::endl;
player p;
std::cout << "sizeof(player): " << sizeof(player) << std::endl;
p.process_event(open_close()); // user opens CD player
p.process_event(open_close()); // inserts CD and closes
std::vector<float> tracks(7);
tracks[0] = 3.08;
tracks[1] = 4.34;
tracks[2] = 2.58;
tracks[3] = 5.01;
tracks[4] = 4.12;
tracks[5] = 3.24;
tracks[6] = 1.23;
p.process_event( // CD is detected
cd_detected(
"CD disk"
, tracks
)
);
p.process_event(play()); // etc.
p.process_event(pause());
p.process_event(play());
p.process_event(stop());
}
