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use std::fmt::{Display, Formatter};
use std::path::PathBuf;
use std::{env, fs};
use text_trees::TreeNode;
const P_HOME: &str = "🏠";
const P_FOLDER: &str = "📁";
const P_FILE: &str = "📄";
const P_LINK: &str = "🔗";
const P_GONE: &str = "☠️";
struct FSEntry(PathBuf);
type FSTreeNode = TreeNode<FSEntry>;
fn main() {
let fs_tree = make_dir_tree(PathBuf::from("."));
fs_tree.write(&mut std::io::stdout()).unwrap();
}
fn make_dir_tree(path: PathBuf) -> FSTreeNode {
let mut current_node = FSTreeNode::new(path.clone().into());
if path.is_dir() {
for entry in fs::read_dir(path).unwrap() {
let entry = entry.unwrap();
let node = make_dir_tree(entry.path());
current_node.push_node(node);
}
}
current_node
}
impl From<PathBuf> for FSEntry {
fn from(v: PathBuf) -> Self {
Self(v)
}
}
impl Display for FSEntry {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
if self.0.is_file() {
let metadata = fs::symlink_metadata(&self.0).unwrap();
let file_type = metadata.file_type();
format!(
"{} {}",
if file_type.is_symlink() {
P_LINK
} else {
P_FILE
},
self.0.file_name().unwrap().to_string_lossy()
)
} else if self.0.is_dir() {
let home = env::var("HOME").unwrap();
let canonical_path = self.0.canonicalize().unwrap();
format!(
"{} {}",
if canonical_path == PathBuf::from(home) {
P_HOME
} else {
P_FOLDER
},
match self.0.file_name() {
None => self.0.to_string_lossy(),
Some(path) => path.to_string_lossy(),
}
)
} else {
format!(
"{} {}",
P_GONE,
self.0.file_name().unwrap().to_string_lossy()
)
}
)
}
}
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