Ensure all apis are called directly in tests.
Correct `GPBUnknownField` `-copy` to not have to make a new instance
since it is immutable in the new form.
PiperOrigin-RevId: 650690942
Port of the interesting `GPBUnknownFieldsSet` tests to `GPBUnknownFields`
as they provide coverage of general handing of unknown fields during parsing.
Also tweak the `Set` tests to actually use a registry to confirm behaviors around
extensions where the test previously wasn't as complete.
PiperOrigin-RevId: 650660181
Looking at the code history, this test used to try two different ways to construct a proto containing map fields, and check that the resulting protos were the same. One of the ways was to obtain mutable `Map` objects for the fields, and modify those. When that possibility was removed from the proto API, the test code that used it was changed to use the other way,
map-modifying methods directly on the proto class. But the end result is that the test method here was just doing the same thing twice and checking that it got the same result.
PiperOrigin-RevId: 650639933
Move some of the new logic out of `GPBUnknownField` so it will end up as a much
simpler "container", with all the serialization logic inside `GPBUnknownFields`
instead.
Also move some of the internal logic needed into static C functions to reduce the
ObjC class overhead of `GPBUnknownFields`.
This was all inspired by realizing during serialization related apis the `type` of
each field was being examined multiple times and reduces that in addition to reducing
the number of methods being invoked.
PiperOrigin-RevId: 650631975
Calling into_proxied() already does a copy and before this change we were doing a second one.
I am not using set_allocated_<field(std::string* s) because the method is not generated when [features.(pb.cpp).string_type = VIEW] is specified.
PiperOrigin-RevId: 650612909
* The public Repeated::{push, set} and Map::insert methods now accept any value that implements IntoProxied<T>, allowing us to move owned values instead of copying them.
* This change also updates the FFI layer for strings/bytes in the repeated and maps thunks to accept a std::string* that can be moved rather than a PtrAndLen type that needs to be copied.
* Tests are updated to no longer .as_view() when setting a message / string on a repeated / map field. The IntoProxied trait makes calling .as_view() obsolete.
PiperOrigin-RevId: 650580788
This is a performance optimisation that avoids us going through from
AbstractList.add(E) to LazyStringArrayList.add(int index, String) and then
having to call the index-based add in ArrayList, which has more bookkeeping
around moving elements across if necessary.
We can avoid that bookkeeping by adding this overload.
Also, group together overloads to squash a style warning.
PiperOrigin-RevId: 650089286
This should slightly speed things up.
Should be safe: these operations don't change the number of entries inside the loop.
PiperOrigin-RevId: 650087172
In that mode we might not be able to make a `constexpr` pointer to the default
instance. Omitting the declaration will only turn off an optimization, but the
code will still be correct.
Fixes https://github.com/protocolbuffers/protobuf/issues/17303
PiperOrigin-RevId: 649160060
This will mean that calling DebugString on a MessageLite* which is actually a full Message will get the debug info instead of the minimal output.
PiperOrigin-RevId: 649103508
`GPBUnknownFields` additions:
- Provide `Optional` based apis for the `getFirst*` apis.
- Map the `NSFastEnumeration` over as a `Sequence` to support looping over the fields.
`GPBUnknownField` addition:
- Add an `enum` with associated values to provide a more type-safe way for inspection.
PiperOrigin-RevId: 649090744
This is currently true and required by the IntoProxied trait. In Rust all type parameters are explicitly marked `Sized`, except for `Self` [1]. By marking `Proxied` as `Sized` we can write `IntoProxied<Self>` in generic code without having to add 'where Self: Sized` clauses.
An implication of this change is that Proxied can no longer be used from a trait object i.e. `let x: dyn &Proxied = &foo` will not compile. We are not anticipating such use cases at this point.
[1] https://doc.rust-lang.org/std/marker/trait.Sized.html
PiperOrigin-RevId: 649010900
Besides unnecessary inconsistency on our C symbols, double underscores anywhere in the name are reserved for stdlib use. In practice its unlikely these symbols would ever hit a collision problem (maybe the prior name 'utf8_debug_string' with no prefix as having some risk), but safer to just standardize on this and have no concerns going forward.
PiperOrigin-RevId: 648709299
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