removeFromList()

void CLEDController::removeFromList ( CLEDController * controller )

static

Remove a controller from the linked list.

Parameters

controller

The controller to remove from the list

Note

Protected static method - subclasses can call this in their cleanup methods

Definition at line 80 of file cled_controller.cpp.hpp.

                                                              {
    if (controller == nullptr) {
        return;
    }
 
    // Remove the specified controller from the linked list
    CLEDController* prev = nullptr;
    CLEDController* curr = mPHead;
 
    // Find the controller in the linked list
    while (curr != nullptr) {
        if (curr == controller) {
            // Found it - remove from list
            if (prev == nullptr) {
                // Removing head
                mPHead = controller->mPNext;
                if (mPHead == nullptr) {
                    // List is now empty
                    mPTail = nullptr;
                }
            } else {
                // Removing from middle or end
                prev->mPNext = controller->mPNext;
                if (controller->mPNext == nullptr) {
                    // Removing tail
                    mPTail = prev;
                }
            }
 
            // Clear the controller's next pointer
            controller->mPNext = nullptr;
            break;
        }
        prev = curr;
        curr = curr->mPNext;
    }
}

References CLEDController(), controller, mPHead, mPNext, and mPTail.

Referenced by removeFromDrawList().

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