Add source

main
xenia 2023-10-12 12:50:52 +02:00
commit e8b486f3b0
3 changed files with 234 additions and 0 deletions

162
Cargo.lock generated 100644
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
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9
Cargo.toml 100644
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[package]
name = "unambig-path"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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63
src/main.rs 100644
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use std::io::Result;
fn main() -> Result<()> {
let mut path = std::env::current_dir()?;
let mut segments = Vec::new();
let mut is_home = false;
while let Some(parent) = path.parent() {
if Some(&path) == dirs::home_dir().as_ref() {
segments.push(("~".to_string(), false));
is_home = true;
break;
}
let dir = path.file_name().unwrap().to_str().expect("Invalid utf-8 in path");
let mut largest_shared_prefix_len = 0;
for other_path in std::fs::read_dir(&parent)?.filter_map(|x| x.ok()).map(|x| x.file_name()) {
let other: &str = match other_path.to_str() {
Some(x) => x,
None => continue,
};
if other == dir { continue; }
let mut shared_prefix_len = 0;
for (ch1, ch2) in dir.chars().zip(other.chars()) {
if ch1 == ch2 {
shared_prefix_len += 1;
} else {
break;
}
}
largest_shared_prefix_len = largest_shared_prefix_len.max(shared_prefix_len);
}
if largest_shared_prefix_len >= dir.chars().count() - 2 {
segments.push((dir.to_string(), false));
} else {
let segment = dir.chars().take(largest_shared_prefix_len + 1).collect::<String>();
segments.push((segment, true));
}
path = parent.to_path_buf();
}
let mut res = std::path::PathBuf::new();
if !is_home {
res.push("/");
}
for (segment, is_prefix) in segments.into_iter().rev() {
if is_prefix {
res.push(segment + "");
} else {
res.push(segment);
}
}
print!("{}/", res.to_str().unwrap());
Ok(())
}