50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
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use crate::common::*;
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pub(crate) struct Environment {
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args: Vec<String>,
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dir: Box<dyn AsRef<Path>>,
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err: Box<dyn Write>,
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}
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impl Environment {
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pub(crate) fn main() -> Environment {
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let dir = match env::current_dir() {
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Ok(dir) => dir,
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Err(error) => panic!("Failed to get current directory: {}", error),
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};
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Environment::new(dir, io::stderr(), env::args())
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}
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pub(crate) fn run(&self) -> Result<(), Error> {
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Opt::from_iter_safe(&self.args)?.run(self)
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}
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pub(crate) fn new<D, E, S, I>(dir: D, err: E, args: I) -> Environment
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where
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D: AsRef<Path> + 'static,
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E: Write + 'static,
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S: Into<String>,
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I: IntoIterator<Item = S>,
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{
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Environment {
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args: args.into_iter().map(|s| s.into()).collect(),
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dir: Box::new(dir),
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err: Box::new(err),
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}
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}
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pub(crate) fn status(&mut self) -> Result<(), i32> {
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if let Err(error) = self.run() {
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write!(&mut self.err, "error: {}", error).ok();
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Err(EXIT_FAILURE)
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} else {
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Ok(())
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}
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}
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pub(crate) fn resolve(&self, path: impl AsRef<Path>) -> PathBuf {
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self.dir.as_ref().as_ref().join(path).clean()
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}
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}
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