tvl-depot/users/Profpatsch/netencode/netencode-mustache.rs
Profpatsch 60b79b2d9d feat(users/Profpatsch/arglib): use exec_helpers for rust
Change-Id: I3056385eb11e45ae13456f4c47052651ba5fb62f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2496
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>
2021-02-09 01:36:27 +00:00

53 lines
1.6 KiB
Rust

extern crate netencode;
extern crate mustache;
extern crate arglib_netencode;
use mustache::{Data};
use netencode::{T};
use std::collections::HashMap;
use std::os::unix::ffi::{OsStrExt};
use std::io::{Read};
fn netencode_to_mustache_data_dwim(t: T) -> Data {
match t {
// TODO: good idea?
T::Unit => Data::Null,
T::N1(b) => Data::Bool(b),
T::N3(u) => Data::String(u.to_string()),
T::N6(u) => Data::String(u.to_string()),
T::N7(u) => Data::String(u.to_string()),
T::I3(i) => Data::String(i.to_string()),
T::I6(i) => Data::String(i.to_string()),
T::I7(i) => Data::String(i.to_string()),
T::Text(s) => Data::String(s),
T::Binary(b) => unimplemented!(),
T::Sum(tag) => unimplemented!(),
T::Record(xs) => Data::Map(
xs.into_iter()
.map(|(key, val)| (key, netencode_to_mustache_data_dwim(val)))
.collect::<HashMap<_,_>>()
),
T::List(xs) => Data::Vec(
xs.into_iter()
.map(|x| netencode_to_mustache_data_dwim(x))
.collect::<Vec<_>>()
),
}
}
pub fn from_stdin() -> () {
let data = netencode_to_mustache_data_dwim(
arglib_netencode::arglib_netencode("netencode-mustache", Some(std::ffi::OsStr::new("TEMPLATE_DATA")))
);
let mut stdin = String::new();
std::io::stdin().read_to_string(&mut stdin).unwrap();
mustache::compile_str(&stdin)
.and_then(|templ| templ.render_data(
&mut std::io::stdout(),
&data
)).unwrap()
}
pub fn main() {
from_stdin()
}