GSoC Rust UNO API Weekly Update 4 & 5

[Mohmed Ali]

Hi all,

Here’s a quick update outlining the progress from Weeks 4 & 5 of the
Rust–UNO binding project.

Over the past two weeks, I focused on understanding the UNO bridges
mechanism and began laying the groundwork for it here:

 https://gerrit.libreoffice.org/c/core/+/187853

After further discussion, we’ve decided to continue enhancing the existing
work in the following patch instead:

https://gerrit.libreoffice.org/c/core/+/186425

This approach focuses on accessing UNO objects implemented in C++ from the
Rust side via FFI, using Codemaker-generated wrapper code. The main goal is
to enable calling existing UNO functionality from Rust, even if we don’t
(yet) support implementing UNO objects fully in Rust.

Next Steps

This week, I’ll focus on:

Diving into Codemaker to understand how it generates Rust bindings.

Using the generated Rust code to:

Query UNO interfaces.

Call loadComponentFromURL and similar methods directly from Rust, without
routing through temporary C++ scaffolding (as noted in
rust_uno/src/examples/load_writer.rs).


Best regards,

Mohamed
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