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author | Alex Crichton <alex@alexcrichton.com> | 2015-06-07 23:12:57 -0700 |
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committer | Alex Crichton <alex@alexcrichton.com> | 2015-06-07 23:47:29 -0700 |
commit | e96e25bec74e9dccbf56275913894bda561a3154 (patch) | |
tree | 81658445bcbb185f60811e403085a5271dc15a7f | |
parent | 6580b77a203f360cf9f519e773b1d89de4d1336b (diff) | |
download | milf-rs-e96e25bec74e9dccbf56275913894bda561a3154.tar.gz milf-rs-e96e25bec74e9dccbf56275913894bda561a3154.zip |
Add a toml to json example
-rw-r--r-- | examples/toml2json.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/examples/toml2json.rs b/examples/toml2json.rs new file mode 100644 index 0000000..0d40680 --- /dev/null +++ b/examples/toml2json.rs @@ -0,0 +1,57 @@ +#![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), + } +} |