hjson-rust for serde
{
# specify rate in requests/second (because comments are helpful!)
rate: 1000
// prefer c-style comments?
/* feeling old fashioned? */
# did you notice that rate doesn't need quotes?
hey: look ma, no quotes for strings either!
# best of all
notice: []
anything: ?
# yes, commas are optional!
}
The Rust implementation of Hjson is based on the Serde JSON Serialization Library. For other platforms see hjson.github.io.
This crate is a Rust library for parsing and generating Human JSON Hjson. It is built upon Serde, a high performance generic serialization framework.
Install
This crate works with Cargo and can be found on crates.io with a Cargo.toml like:
[dependencies]
serde = "*"
serde-hjson = "*"
From the Commandline
Install with cargo install hjson
Hjson, the Human JSON.
Usage:
hjson [options]
hjson [options] <input>
hjson (-h | --help)
hjson (-V | --version)
Options:
-h --help Show this screen.
-j Output as formatted JSON.
-c Output as JSON.
-V --version Show version.
Sample:
- run
hjson test.json > test.hjsonto convert to Hjson - run
hjson -j test.hjson > test.jsonto convert to JSON
Usage
extern crate serde;
extern crate serde_hjson;
use serde_hjson::{Map,Value};
fn main() {
// Now let's look at decoding Hjson data
let sample_text=r#"
{
# specify rate in requests/second
rate: 1000
array:
[
foo
bar
]
}"#;
// Decode and unwrap.
let mut sample: Map<String, Value> = serde_hjson::from_str(&sample_text).unwrap();
// scope to control lifetime of borrow
{
// Extract the rate
let rate = sample.get("rate").unwrap().as_f64().unwrap();
println!("rate: {}", rate);
// Extract the array
let array : &mut Vec<Value> = sample.get_mut("array").unwrap().as_array_mut().unwrap();
println!("first: {}", array.get(0).unwrap());
// Add a value
array.push(Value::String("tak".to_string()));
}
// Encode to Hjson
let sample2 = serde_hjson::to_string(&sample).unwrap();
println!("Hjson:\n{}", sample2);
}
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