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-rw-r--r--extension/src/openvic2/Types.hpp33
1 files changed, 24 insertions, 9 deletions
diff --git a/extension/src/openvic2/Types.hpp b/extension/src/openvic2/Types.hpp
index 226dd30..f53f842 100644
--- a/extension/src/openvic2/Types.hpp
+++ b/extension/src/openvic2/Types.hpp
@@ -10,47 +10,62 @@ namespace OpenVic2 {
// This mirrors godot::Error, where `OK = 0` and `FAILED = 1`.
static constexpr return_t SUCCESS = false, FAILURE = true;
+ /*
+ * Base class for objects with a non-empty string identifier,
+ * uniquely named instances of which can be entered into an
+ * IdentifierRegistry instance.
+ */
class HasIdentifier {
- std::string identifier;
+ const std::string identifier;
protected:
HasIdentifier(std::string const& new_identifier);
public:
+ HasIdentifier(HasIdentifier const&) = delete;
+ HasIdentifier(HasIdentifier&&) = default;
std::string const& get_identifier() const;
};
- template<typename T, char const* name, std::enable_if<std::is_base_of<HasIdentifier, T>::value>::type* = nullptr>
+ /*
+ * Template for a list of objects with unique string identifiers that can
+ * be locked to prevent any further additions. The template argument T is
+ * the type of object that the registry will store, and the second part ensures
+ * that HasIdentifier is a base class of T.
+ */
+ template<class T, typename std::enable_if<std::is_base_of<HasIdentifier, T>::value>::type* = nullptr>
class IdentifierRegistry {
+ const std::string name;
std::vector<T> items;
bool locked = false;
public:
+ IdentifierRegistry(std::string const& new_name) : name(new_name) {}
return_t add_item(T&& item) {
if (locked) {
Logger::error("Cannot add item to the ", name, " registry - locked!");
return FAILURE;
}
- if (item.get_identifier().empty()) {
- Logger::error("Cannot add item to the ", name, " registry - empty identifier!");
- return FAILURE;
- }
T const* old_item = get_item_by_identifier(item.get_identifier());
if (old_item != nullptr) {
Logger::error("Cannot add item to the ", name, " registry - an item with the identifier \"", item.get_identifier(), "\" already exists!");
return FAILURE;
}
- items.push_back(item);
+ items.push_back(std::move(item));
return SUCCESS;
}
- void lock() {
+ void lock(bool log = true) {
if (locked) {
Logger::error("Failed to lock ", name, " registry - already locked!");
} else {
locked = true;
- Logger::info("Locked ", name, " registry after registering ", get_item_count(), " items");
+ if (log) Logger::info("Locked ", name, " registry after registering ", get_item_count(), " items");
}
}
bool is_locked() const {
return locked;
}
+ void reset() {
+ items.clear();
+ locked = false;
+ }
size_t get_item_count() const {
return items.size();
}