// getObject() -- Get/Find the object (component) we're sending to
Component* Component::SendData::getObject(Component* gobj, const char* const id, const int n)
{
// Did we already find the object?
if (obj == nullptr) {
// No, then try to find it among our components ...
Pair* p = nullptr;
if (n <= 0) {
// When n is zero (or less) just use 'id' as
// the name when finding the object.
p = gobj->findByName(id);
}
else {
// ---
// When n is greater than zero, use 'id' as a format
// with 'n' to get the name. Great for items in rows
// or columns.
// Example: n = 5
// id = xxx.%d
// gives name = xxx.5
// ---
char name[128];
std::sprintf(name,id,n);
p = gobj->findByName(name);
}
if (p != nullptr) obj = static_cast<Component*>(p->object());
}
return obj;
}
//------------------------------------------------------------------------------
// updateData() -- Update non-time critical (background) stuff here
//------------------------------------------------------------------------------
void Component::updateData(const LCreal dt)
{
// Update all my children
PairStream* subcomponents = getComponents();
if (subcomponents != 0) {
if (selection != 0) {
// When we've selected only one
if (selected != 0) selected->updateData(dt);
}
else {
// When we should update them all
List::Item* item = subcomponents->getFirstItem();
while (item != 0) {
Pair* pair = (Pair*)(item->getValue());
Component* obj = (Component*)( pair->object() );
if (obj != 0) obj->updateData(dt);
item = item->getNext();
}
}
subcomponents->unref();
subcomponents = 0;
}
// Update our log file
if (elog0 != 0) {
elog0->updateData(dt);
}
}
//------------------------------------------------------------------------------
// reset() -- Reset parameters
//------------------------------------------------------------------------------
void Component::reset()
{
PairStream* subcomponents = getComponents();
if (subcomponents != 0) {
if (selection != 0) {
// When we've selected only one
if (selected != 0) selected->reset();
}
else {
// When we should reset them all
List::Item* item = subcomponents->getFirstItem();
while (item != 0) {
Pair* pair = (Pair*)(item->getValue());
Component* obj = (Component*)( pair->object() );
if (obj != 0) obj->reset();
item = item->getNext();
}
}
subcomponents->unref();
subcomponents = 0;
}
// Reset the log file
if (elog0 != 0) {
elog0->reset();
}
}
bool StateMachine::setSlotStateMachines(const PairStream* const msg)
{
// First remove the old list; and make sure we tell the old stMachList
// that we're no longer their container.
if (stMachList != nullptr) {
List::Item* item = stMachList->getFirstItem();
while (item != nullptr) {
Pair* p = static_cast<Pair*>(item->getValue());
Component* q = static_cast<Component*>(p->object());
q->container(nullptr);
item = item->getNext();
}
stMachList = nullptr;
}
// Build a new list containing only StateMachine class (or derived) objects
if (msg != nullptr) {
PairStream* newList = new PairStream();
// For each object in the list; if it's a StateMachine (or derived from) then
// clone the object and add it to the new list.
const List::Item* item = msg->getFirstItem();
while (item != nullptr) {
const Pair* p = static_cast<const Pair*>(item->getValue());
const StateMachine* q = dynamic_cast<const StateMachine*>(p->object());
if (q != nullptr) {
Pair* cp = static_cast<Pair*>(p->clone());
StateMachine* cq = static_cast<StateMachine*>(cp->object());
cq->container(this);
newList->put(cp);
}
else {
std::cerr << "StateMachine::setSlotStateMachines(): " << *p->slot() << " is not a StateMachine!" << std::endl;
}
item = item->getNext();
}
// Set the pointer to the new stMach list
stMachList = newList;
}
return true;
}
// Send an event message to component 'id'
bool Component::send(const char* const id, const int event)
{
bool val {};
Pair* p = findByName(id);
if (p != nullptr) {
const auto g = static_cast<Component*>(p->object());
val = g->event(event);
}
return val;
}
// Send an event message to component 'id'
bool Component::send(const char* const id, const int event)
{
bool val = false;
Pair* p = findByName(id);
if (p != 0) {
Component* g = (Component*) p->object();
val = g->event(event);
}
return val;
}
//------------------------------------------------------------------------------
// select() -- select one of our components, using String or Number
//------------------------------------------------------------------------------
bool Component::select(const String* const name)
{
bool ok {true};
selected = nullptr;
setSelectionName(nullptr);
if (name != nullptr) {
setSelectionName(name);
Pair* p = findByName(*name);
if (p != nullptr) selected = static_cast<Component*>(p->object());
else {
std::cerr << "Component::select: name not found!" << std::endl;
ok = false;
}
}
return ok;
}
//------------------------------------------------------------------------------
// select() -- select one of our components, using String or Number
//------------------------------------------------------------------------------
bool Component::select(const String* const name)
{
bool ok = true;
selected = 0;
setSelectionName(0);
if (name != 0) {
setSelectionName(name);
Pair* p = findByName(*name);
if (p != 0) selected = (Component*) p->object();
else {
std::cerr << "Component::select: name not found!" << std::endl;
ok = false;
}
}
return ok;
}
// -----------------------------------------------------------------
// Sets the state machine 'name' or zero to clear. Return true
// if successful. If the 'code' is CHK_CUR_STATE or GET_NEXT_STATE
// then we do NOT actually set the stMach, but we only check to
// see if the stMach 'name' exists.
// -----------------------------------------------------------------
bool StateMachine::setStMach(const char* const name, const StateTableCode code)
{
bool ok = false;
if (code == CURR_STATE) {
// Current state is now also the previous state
StateMachine* oldStMach = stMach;
// First, check to see if they're asking for the same state
// as our current state.
ok = (stMachName == nullptr && name == nullptr);
if (!ok && stMachName != nullptr && name != nullptr) {
ok = *stMachName == name;
}
// When they're not the same then we make a switch ...
if (!ok) {
if (name != nullptr) {
Pair* p = findStMachByName(name);
if (p != nullptr) {
stMach = static_cast<StateMachine*>(p->object());
stMachName = p->slot();
ok = true;
}
}
else {
// 'name' is null, so set the new state to null.
stMach = nullptr;
stMachName = nullptr;
ok = true;
}
if (ok) {
pStMach = oldStMach;
}
}
}
else {
// -- only need to look to see if this named state machine exists.
ok = (findStMachByName(name) != nullptr);
}
return ok;
}
bool Component::select(const Number* const num)
{
bool ok {true};
selected = nullptr;
setSelectionName(nullptr);
if (num != nullptr) {
setSelectionName(num);
Pair* p = findByIndex(num->getInt());
if (p != nullptr) {
selected = static_cast<Component*>(p->object());
}
else {
std::cerr << "Component::select: index out of range; num = " << num->getInt() << std::endl;
ok = false;
}
}
return ok;
}
bool Component::select(const Number* const num)
{
bool ok = true;
selected = 0;
setSelectionName(0);
if (num != 0) {
setSelectionName(num);
Pair* p = findByIndex(num->getInt());
if (p != 0) {
selected = (Component*) p->object();
}
else {
std::cerr << "Component::select: index out of range; num = " << num->getInt() << std::endl;
ok = false;
}
}
return ok;
}
//------------------------------------------------------------------------------
// shutdownNotification() -- Default shutdown
//------------------------------------------------------------------------------
bool Component::shutdownNotification()
{
// Tell all of our components
PairStream* subcomponents = getComponents();
if (subcomponents != 0) {
List::Item* item = subcomponents->getFirstItem();
while (item != 0) {
Pair* pair = (Pair*)(item->getValue());
Component* p = (Component*) pair->object();
p->event(SHUTDOWN_EVENT);
item = item->getNext();
}
subcomponents->unref();
subcomponents = 0;
}
shutdown = true;
return shutdown;
}
// -----------------------------------------------------------------
// reset() -- Resets the state machine
// -----------------------------------------------------------------
void StateMachine::reset()
{
BaseClass::reset();
// Reset our state machine list
if (stMachList != nullptr) {
List::Item* item = stMachList->getFirstItem();
while (item != nullptr) {
Pair* p = static_cast<Pair*>(item->getValue());
Component* q = static_cast<Component*>(p->object());
q->reset();
item = item->getNext();
}
}
// Goto our RESET state
state = INVALID_STATE;
substate = INVALID_STATE;
stMach = nullptr;
stMachName = nullptr;
arg = nullptr;
goTo(INIT_STATE);
}
//------------------------------------------------------------------------------
// processComponents() -- process our new components list;
// -- Add the components from the input list, 'list', to a new list, 'newList'
// make sure they are all of type Component (or derived from it)
// tell them that we are their container
// -- Add an optional component to the end of the new list
// -- Swap our 'components' list with the new list, newList
// -- Handle selections.
//------------------------------------------------------------------------------
void Component::processComponents(
PairStream* const list,
const std::type_info& filter,
Pair* const add,
Component* const remove
)
{
PairStream* oldList = components.getRefPtr();
// ---
// Our dynamic_cast (see below) already filters on the Component class
// ---
bool skipFilter = false;
if (&filter == 0) skipFilter = true;
else if (filter == typeid(Component)) skipFilter = true;
// ---
// Create a new list, copy (filter) the component pairs and set their container pointers
// ---
PairStream* newList = new PairStream();
if (list != 0) {
// Add the (filtered) components to the new list and set their container
List::Item* item = list->getFirstItem();
while (item != 0) {
Pair* pair = (Pair*) item->getValue();
Component* cp = dynamic_cast<Component*>( pair->object() );
if ( cp != 0 && cp != remove && (skipFilter || cp->isClassType(filter)) ) {
newList->put(pair);
cp->container(this);
}
else if ( cp != 0 && cp == remove ) {
cp->container(0);
}
item = item->getNext();
}
}
// ---
// Add the optional component
// ---
if (add != 0) {
Component* cp = dynamic_cast<Component*>( add->object() );
if ( cp != 0 && (skipFilter || cp->isClassType(filter)) ) {
newList->put(add);
cp->container(this);
}
}
// ---
// Swap lists
// ---
components = newList;
newList->unref();
// ---
// Anything selected?
// ---
if (selection != 0) {
if (selection->isClassType(typeid(String))) {
String str(*((String*)selection));
select(&str);
}
else {
Integer num(((Number*)selection)->getInt());
select(&num);
}
}
if (oldList != 0) {
oldList->unref();
}
}
