MoonProto

A pure-runtime Protocol Buffers wire format encoder/decoder for MoonBit.

Features

• Varint (ULEB128) and Zigzag encoding/decoding
• All protobuf wire types: Varint, Fixed64, Length-delimited, Fixed32
• Builder-style Encoder API with method chaining
• Position-tracked Decoder API with field skipping
• Support for all scalar types: int32/64, uint32/64, sint32/64, fixed32/64, sfixed32/64, float, double, bool, string, bytes
• Nested message encoding/decoding

Installation

moon add Duan525/moonproto

Usage

Encoding

let enc = @moonproto.Encoder::new()
enc.encode_string(1U, "Alice")
  .encode_int32(2U, 30)
  .encode_message(3U, nested_encoder)
let bytes = enc.to_bytes()

Decoding

let dec = @moonproto.Decoder::new(bytes)
while dec.read_tag() is Some((field_num, wire_type)) {
  match field_num {
    1U => name = dec.read_string().unwrap()
    2U => age = dec.read_int32().unwrap()
    _ => dec.skip_field(wire_type) |> ignore
  }
}

Wire Format Reference

Wire Type	ID	Used For
Varint	0	int32, int64, uint32, uint64, sint32, sint64, bool, enum
Fixed64	1	fixed64, sfixed64, double
Length-delimited	2	string, bytes, embedded messages, packed repeated
Fixed32	5	fixed32, sfixed32, float

License

MIT