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LibCore: Store ObjectRegistration names as StringViews

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We don't need to be allocating Strings for these names during static
initialization. The C-string literals will be stored in the .rodata ELF
section, so they're not going anywhere. We can just wrap the .rodata
storage for the class names in StringViews and use those in Object
registration and lookup APIs.
This commit is contained in:
Andrew Kaster
2021-08-28 02:38:23 -06:00
committed by Andreas Kling
parent ea364af965
commit d6de0613f5
2 changed files with 8 additions and 8 deletions
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10
Userland/Libraries/LibCore/Object.cpp
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@@ -250,15 +250,15 @@ void Object::set_event_filter(Function<bool(Core::Event&)> filter)
m_event_filter = move(filter);
}
static HashMap<String, ObjectClassRegistration*>& object_classes()
static HashMap<StringView, ObjectClassRegistration*>& object_classes()
{
static HashMap<String, ObjectClassRegistration*>* map;
static HashMap<StringView, ObjectClassRegistration*>* map;
if (!map)
map = new HashMap<String, ObjectClassRegistration*>;
map = new HashMap<StringView, ObjectClassRegistration*>;
return *map;
}
ObjectClassRegistration::ObjectClassRegistration(const String& class_name, Function<NonnullRefPtr<Object>()> factory, ObjectClassRegistration* parent_class)
ObjectClassRegistration::ObjectClassRegistration(StringView class_name, Function<NonnullRefPtr<Object>()> factory, ObjectClassRegistration* parent_class)
: m_class_name(class_name)
, m_factory(move(factory))
, m_parent_class(parent_class)
@@ -286,7 +286,7 @@ void ObjectClassRegistration::for_each(Function<void(const ObjectClassRegistrati
}
}
const ObjectClassRegistration* ObjectClassRegistration::find(const String& class_name)
const ObjectClassRegistration* ObjectClassRegistration::find(StringView class_name)
{
return object_classes().get(class_name).value_or(nullptr);
}