saghm / json-color Goto Github PK
View Code? Open in Web Editor NEWRust library to colorize JSON strings
Rust library to colorize JSON strings
extern crate json_color;
use json_color::Colorizer;
fn main() {
let colorizer = Colorizer::arbitrary();
println!("{}", colorizer.colorize_json_str("\"a\\nb\"").unwrap());
}
Expected:
"a\nb"
Actual:
"a
b"
Since you are using serde_json anyway, consider implementing json-color as a Formatter
to take advantage of our logic for rendering escape sequences, among other things. Something like:
pub fn colorize_json_str(&self, s: &str) -> Result<String, Error> {
let mut wr = Vec::new();
let formatter = ColorFormatter { colorizer: self, indent_level: 0 };
{
let mut de = serde_json::Deserializer::from_str(s);
let mut ser = serde_json::Serializer::with_formatter(&mut wr, formatter);
serde_transcode::transcode(&mut de, &mut ser)?;
}
Ok(String::from_utf8(wr).unwrap())
}
A good starting point would be rq
's colorizing formatter implementation. Note that every method has a sensible default implementation so you would only need to override the ones that need to be colored.
I want to output colored json string on one line, but we seem to only support pretty output now.
The colored
crate now performs some checks to determine whether it should enable colored output (which feels sort of wrong to me as the default, but IDK): colored-rs/colored#69
The solution seems to be to use colored::control::set_override(true)
. I think it'd probably be fine to call this at a fairly high level given that the entire purpose of this crate is to output colorized JSON.
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