cargo-zng 0.1.3

Zng project manager.
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//! Localization text scrapper.
//!
//! See the [`l10n!`] documentation for more details.
//!
//! [`l10n!`]: https://zng-ui.github.io/doc/zng/l10n/macro.l10n.html#scrap-template

use std::{borrow::Cow, io::Write, path::PathBuf};

use clap::*;

mod pseudo;
mod scraper;

#[derive(Args, Debug)]
pub struct L10nArgs {
    /// Rust files glob or directory
    input: String,

    /// Lang resources dir
    output: PathBuf,

    /// Custom l10n macro names, comma separated
    #[arg(short, long, default_value = "")]
    macros: String,

    /// Pseudo Base name, empty to disable
    #[arg(long, default_value = "pseudo")]
    pseudo: String,
    /// Pseudo Mirrored name, empty to disable
    #[arg(long, default_value = "pseudo-mirr")]
    pseudo_m: String,
    /// Pseudo Wide name, empty to disable
    #[arg(long, default_value = "pseudo-wide")]
    pseudo_w: String,
}

pub fn run(args: L10nArgs) {
    let mut input = args.input;
    if !input.contains('*') && PathBuf::from(&input).is_dir() {
        input = format!("{}/**/*.rs", input.trim_end_matches(&['\\', '/']));
    }

    println!(r#"searching "{input}".."#);

    let custom_macro_names: Vec<&str> = args.macros.split(',').map(|n| n.trim()).collect();

    if let Err(e) = std::fs::create_dir_all(&args.output) {
        fatal!("cannot create dir `{}`, {e}", args.output.display());
    }

    let mut template = scraper::scrape_fluent_text(&input, &custom_macro_names);
    match template.entries.len() {
        0 => {
            println!("did not find any entry");
            return;
        }
        1 => println!("found 1 entry"),
        n => println!("found {n} entries"),
    }

    struct Task {
        name: String,
        transform: fn(&str) -> Cow<str>,
    }
    let mut tasks = vec![Task {
        name: "template".to_owned(),
        transform: pseudo::none,
    }];
    if !args.pseudo.is_empty() {
        tasks.push(Task {
            name: args.pseudo,
            transform: pseudo::pseudo,
        })
    }
    if !args.pseudo_m.is_empty() {
        tasks.push(Task {
            name: args.pseudo_m,
            transform: pseudo::pseudo_mirr,
        })
    }
    if !args.pseudo_w.is_empty() {
        tasks.push(Task {
            name: args.pseudo_w,
            transform: pseudo::pseudo_wide,
        })
    }

    template.sort();

    for task in tasks {
        let r = template.write(task.transform, |file| {
            fn box_dyn(file: std::fs::File) -> Box<dyn Write + Send> {
                Box::new(file)
            }

            let mut output = args.output.clone();
            if file.is_empty() {
                output.push(format!("{}.ftl", task.name));
            } else {
                output.push(&task.name);
                std::fs::create_dir_all(&output)?;
                output.push(format!("{file}.ftl"));
            }
            std::fs::File::create(output).map(box_dyn)
        });

        match r {
            Ok(()) => println!("finished {:?}.", task.name),
            Err(e) => fatal!("{:?} error: {}", task.name, e),
        }
    }
}