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AK: Make MappedFile heap-allocated and ref-counted

Let's adapt this class a bit better to how it's actually being used.

Instead of having valid/invalid states and storing an error in case
it's invalid, a MappedFile is now always valid, and the factory
function that creates it will return an OSError if mapping fails.
This commit is contained in:
Andreas Kling 2021-01-10 15:55:54 +01:00
parent 70fce5c4c7
commit 2f3b901f7f
36 changed files with 184 additions and 199 deletions

View file

@ -83,8 +83,10 @@ public:
const StringView get_programming_interface(u8 class_id, u8 subclass_id, u8 programming_interface_id) const;
private:
Database(const StringView& file_name)
: m_file(file_name) {};
explicit Database(NonnullRefPtr<MappedFile> file)
: m_file(move(file))
{
}
int init();
@ -94,7 +96,7 @@ private:
ClassMode,
};
MappedFile m_file {};
NonnullRefPtr<MappedFile> m_file;
StringView m_view {};
HashMap<int, NonnullOwnPtr<Vendor>> m_vendors;
HashMap<int, NonnullOwnPtr<Class>> m_classes;