For such a problem, I really recommend https://kaitai.io/ https://kaitai.io/ From their website: > Kaitai Struct is a declarative language used to describe va

For such a problem, I really recommend https://kaitai.io/ https://kaitai.io/ From their website: > Kaitai Struct is a declarative language used to describe various binary data structures, laid out in files or in memory: i.e. binary file formats, network stream packet formats, etc. They even have a Rust interface: https://github.com/kaitai-io/kaitai_struct_rust_runtime https://github.com/kaitai-io/kaitai_struct_rust_runtime