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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:41:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:41:35 +0000 |
commit | 7e5d7eea9c580ef4b41a765bde624af431942b96 (patch) | |
tree | 2c0d9ca12878fc4525650aa4e54d77a81a07cc09 /vendor/toml/examples/toml2json.rs | |
parent | Adding debian version 1.70.0+dfsg1-9. (diff) | |
download | rustc-7e5d7eea9c580ef4b41a765bde624af431942b96.tar.xz rustc-7e5d7eea9c580ef4b41a765bde624af431942b96.zip |
Merging upstream version 1.70.0+dfsg2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/toml/examples/toml2json.rs')
-rw-r--r-- | vendor/toml/examples/toml2json.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/toml/examples/toml2json.rs b/vendor/toml/examples/toml2json.rs new file mode 100644 index 000000000..3660611c4 --- /dev/null +++ b/vendor/toml/examples/toml2json.rs @@ -0,0 +1,47 @@ +#![deny(warnings)] + +use std::env; +use std::fs::File; +use std::io; +use std::io::prelude::*; + +use serde_json::Value as Json; +use toml::Value as Toml; + +fn main() { + let mut args = env::args(); + let mut input = String::new(); + if args.len() > 1 { + let name = args.nth(1).unwrap(); + File::open(name) + .and_then(|mut f| f.read_to_string(&mut input)) + .unwrap(); + } else { + io::stdin().read_to_string(&mut input).unwrap(); + } + + match input.parse() { + Ok(toml) => { + let json = convert(toml); + println!("{}", serde_json::to_string_pretty(&json).unwrap()); + } + Err(error) => println!("failed to parse TOML: {}", error), + } +} + +fn convert(toml: Toml) -> Json { + match toml { + Toml::String(s) => Json::String(s), + Toml::Integer(i) => Json::Number(i.into()), + Toml::Float(f) => { + let n = serde_json::Number::from_f64(f).expect("float infinite and nan not allowed"); + Json::Number(n) + } + Toml::Boolean(b) => Json::Bool(b), + Toml::Array(arr) => Json::Array(arr.into_iter().map(convert).collect()), + Toml::Table(table) => { + Json::Object(table.into_iter().map(|(k, v)| (k, convert(v))).collect()) + } + Toml::Datetime(dt) => Json::String(dt.to_string()), + } +} |