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#![deny(warnings)]
extern crate toml;
extern crate rustc_serialize;
use std::fs::File;
use std::env;
use std::io;
use std::io::prelude::*;
use toml::Value;
use rustc_serialize::json::Json;
fn main() {
let mut args = env::args();
let mut input = String::new();
let filename = if args.len() > 1 {
let name = args.nth(1).unwrap();
File::open(&name).and_then(|mut f| {
f.read_to_string(&mut input)
}).unwrap();
name
} else {
io::stdin().read_to_string(&mut input).unwrap();
"<stdin>".to_string()
};
let mut parser = toml::Parser::new(&input);
let toml = match parser.parse() {
Some(toml) => toml,
None => {
for err in &parser.errors {
let (loline, locol) = parser.to_linecol(err.lo);
let (hiline, hicol) = parser.to_linecol(err.hi);
println!("{}:{}:{}-{}:{} error: {}",
filename, loline, locol, hiline, hicol, err.desc);
}
return
}
};
let json = convert(Value::Table(toml));
println!("{}", json.pretty());
}
fn convert(toml: Value) -> Json {
match toml {
Value::String(s) => Json::String(s),
Value::Integer(i) => Json::I64(i),
Value::Float(f) => Json::F64(f),
Value::Boolean(b) => Json::Boolean(b),
Value::Array(arr) => Json::Array(arr.into_iter().map(convert).collect()),
Value::Table(table) => Json::Object(table.into_iter().map(|(k, v)| {
(k, convert(v))
}).collect()),
Value::Datetime(dt) => Json::String(dt),
}
}
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