fn process()

in src/compiler/rust.rs [959:982]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    fn process(arg: OsString) -> ArgParseResult<Self> {
        // Is it obviously a json file path?
        if Path::new(&arg)
            .extension()
            .map(|ext| ext == "json")
            .unwrap_or(false)
        {
            return Ok(ArgTarget::Path(arg.into()));
        }
        // Time for clever detection - if we append .json (even if it's clearly
        // a directory, i.e. resulting in /my/dir/.json), does the path exist?
        let mut path = arg.clone();
        path.push(".json");
        if Path::new(&path).is_file() {
            // Unfortunately, we're now not sure what will happen without having
            // a list of all the built-in targets handy, as they don't get .json
            // auto-added for target json discovery
            return Ok(ArgTarget::Unsure(arg));
        }
        // The file doesn't exist so it can't be a path, safe to assume it's a name
        Ok(ArgTarget::Name(
            arg.into_string().map_err(ArgParseError::InvalidUnicode)?,
        ))
    }