uefi: significantly improve ergonomics of Handle (device path and component2 protocols)#1858
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uefi: significantly improve ergonomics of Handle (device path and component2 protocols)#1858
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@nicholasbishop Every time I split things into smaller PRs and clean up the commit history, they somehow grow again 😀 Let me know if this size works for you. |
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nicholasbishop
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This is a pre-requisite for the next commit that implements Display. Display comes with a to_string() method already.
For device paths, it is very convenient to use the DevicePathToText protocol to visualize/print the device path. By providing a convenient Display impl, we improve the ergonomics of device paths significantly and reducing boilerplate.
Clean up the mess and follow our convention: - pub mod - mod - pub use - use
…_path() In practice, UEFI applications frequently need to extract additional metadata from handles for logging, debugging, and user-facing selection. The Device Path and Component Name 2 protocols provide helpful information, but accessing them repeatedly requires non-trivial boilerplate. This change introduces convenience helpers on Handle to streamline common queries and improve ergonomics when working with these protocols.
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This PR prepares and implements a significant simplification of handling typical tasks with handles: printing a device path and using the component2 protocol.
addboot::open_protocol_[exclusive]if_exists()helpers (eventually replacing the base methods which we could deprecate)Handle::device_path()andHandle::component_name()This improves the convenience and ergonomics in every Rust uefi code base I've seen so far at work and in private projects.
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