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use clap::ArgMatches;
use std::env;
use std::fs;
use std::path::PathBuf;
pub struct Context<'a> {
pub current_dir: PathBuf,
pub dir_files: Vec<PathBuf>,
pub arguments: ArgMatches<'a>,
}
impl<'a> Context<'a> {
pub fn new(arguments: ArgMatches) -> Context {
let current_dir = env::current_dir().expect("Unable to identify current directory.");
Context::new_with_dir(arguments, current_dir)
}
#[allow(dead_code)]
pub fn new_with_dir<T>(arguments: ArgMatches, dir: T) -> Context
where
T: Into<PathBuf>,
{
// TODO: Currently gets the physical directory. Get the logical directory.
let current_dir = Context::expand_tilde(dir.into());
let dir_files = fs::read_dir(¤t_dir)
.unwrap_or_else(|_| {
panic!(
"Unable to read current directory: {}",
current_dir.to_string_lossy()
)
})
.filter_map(Result::ok)
.map(|entry| entry.path())
.collect::<Vec<PathBuf>>();
Context {
current_dir,
arguments,
dir_files,
}
}
/// Convert a `~` in a path to the home directory
fn expand_tilde(dir: PathBuf) -> PathBuf {
if dir.starts_with("~") {
let without_home = dir.strip_prefix("~").unwrap();
return dirs::home_dir().unwrap().join(without_home);
}
dir
}
}
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