pbuf
Reads/Writes to anything that implements Read/Write to/from protobuf...
Examples assume Msg
is your protobuf and msg.rs is where it lives, see rust-protobuf on how to generate .rs
from .proto
files.
Add to Cargo.toml
pbuf = "0.3.2"
Read example
extern crate pbuf;
extern crate protobuf;
use std::io::prelude::*;
use std::io::{BufReader, self};
use std::fs::File;
mod msg;
use msg::Msg;
use pbuf::read_pbuf;
let mut reader = Box::new(BufReader::new(io::stdin()));
// To read from file
// let mut reader = Box::new(BufReader::new(File::open (&<file pointer>).unwrap()))
// Reads entire buffer and fill
let mut msgs: Vec<Msg> = read_pbuf(&mut reader);
Write example
extern crate pbuf;
extern crate protobuf;
use std::io::prelude::*;
use std::io::{BufWriter, self};
use std::fs::File;
mod msg;
use msg::Msg;
use pbuf::write_pbuf;
let mut writer = Box::new(BufWriter::new(io::stdout()));
// To write to file
// let mut writer = Box::new(BufWriter::new(File::create(&<file pointer>).unwrap()))
for msg in msgs.iter() {
write_pbuf(msg, &mut writer);
}