Initial version

This commit is contained in:
Austen Adler 2024-09-02 14:12:14 -04:00
commit 56f02effc8
4 changed files with 685 additions and 0 deletions

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.gitignore vendored Normal file
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/target

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Cargo.lock generated Normal file
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Cargo.toml Normal file
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[package]
name = "jsoncutil"
version = "0.1.0"
edition = "2021"
[dependencies]
anyhow = "1.0.86"
clap = { version = "4.5.16", features = ["derive"] }
fjson = "0.3.1"
notify-debouncer-mini = "0.4.1"

136
src/main.rs Normal file
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use anyhow::{bail, Context, Result};
use clap::{Args, Parser, Subcommand};
use notify_debouncer_mini::{new_debouncer, notify::*, DebounceEventResult};
use std::{
fs,
io::Write,
path::{Path, PathBuf},
time::Duration,
};
#[derive(Parser, Debug)]
struct Cli {
#[command(subcommand)]
command: Command,
}
#[derive(Subcommand, Debug)]
enum Command {
Fmt(FmtArgs),
// Watch(WatchArgs),
}
// #[derive(Args, Debug)]
// struct WatchArgs {
// dir: PathBuf
// }
#[derive(Args, Debug)]
struct FmtArgs {
#[clap(short = 'i', long = "input")]
input: PathBuf,
#[clap(short = 'o', long = "output")]
output: Option<PathBuf>,
#[clap(short = 'O', long = "json-output")]
json_output: Option<PathBuf>,
#[clap(short = 'c', long = "compact")]
compact: bool,
}
fn main() -> Result<()> {
let options = Cli::parse();
eprintln!("Options: {options:?}");
match options.command {
Command::Fmt(a) => {
if a.compact && a.json_output.is_none() {
bail!("Cannot compact format jsonc. Specify --json-output if you want to use --compact");
}
format_single_file(&a)?;
}
}
Ok(())
}
fn format_single_file(args: &FmtArgs) -> Result<()> {
let input_str = fs::read_to_string(&args.input).context("Reading input")?;
if args.output.is_none() && args.json_output.is_none() {
// They only want to print to stdout
println!(
"{}",
fjson::to_jsonc(&input_str).context("Formatting to jsonc")?
);
return Ok(());
}
if let Some(ref output) = args.output {
let mut output_file = fs::OpenOptions::new()
.create(true)
.truncate(true)
.write(true)
.open(output)
.context("Opening output file")?;
let output = fjson::to_jsonc(&input_str).context("Formatting to jsonc")?;
output_file
.write_all(&output.as_bytes())
.context("Writing jsonc output")?;
output_file.flush().context("Flushing jsonc output")?;
}
if let Some(ref json_output) = args.json_output {
let mut json_output_file = fs::OpenOptions::new()
.create(true)
.truncate(true)
.write(true)
.open(json_output)
.context("Opening output file")?;
let output = if args.compact {
fjson::to_json(&input_str).context("Formatting to json")
} else {
fjson::to_json_compact(&input_str).context("Formatting to json")
}?;
json_output_file
.write_all(&output.as_bytes())
.context("Writing json output")?;
json_output_file.flush().context("Flushing json output")?;
}
Ok(())
}
// fn x() {
// // Select recommended watcher for debouncer.
// // Using a callback here, could also be a channel.
// let mut debouncer =
// new_debouncer(
// Duration::from_millis(50),
// |res: DebounceEventResult| match res {
// Ok(events) => events
// .iter()
// .for_each(|e| println!("Event {:?} for {:?}", e.kind, e.path)),
// Err(e) => println!("Error {:?}", e),
// },
// )
// .unwrap();
// // Add a path to be watched. All files and directories at that path and
// // below will be monitored for changes.
// debouncer
// .watcher()
// .watch(Path::new("."), RecursiveMode::Recursive)
// .unwrap();
// // note that dropping the debouncer (as will happen here) also ends the debouncer
// // thus this demo would need an endless loop to keep running
// }