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