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use std::{fmt::Display, hash::Hash};
use log::debug;
pub mod error;
pub mod map_tree;
#[derive(Clone, Debug, Eq)]
pub struct MapKey {
pub key: String,
resolution: usize,
/// Part of the path, used to derive the key
part_path: String,
}
impl Hash for MapKey {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.key.hash(state)
}
}
impl PartialEq for MapKey {
fn eq(&self, other: &Self) -> bool {
self.key == other.key
}
}
impl MapKey {
pub fn new_from_part_path(part_path: &str, resolution: usize) -> Self {
let key = Self::part_path_to_key(&part_path, resolution);
Self {
key,
resolution,
part_path: part_path.to_owned(),
}
}
pub fn increment(&mut self) {
if self.resolution < self.part_path.len() {
self.resolution += 1;
self.key = Self::part_path_to_key(&self.part_path, self.resolution);
} else {
let last_char = self.key.chars().last().expect("A last value exists");
self.key.push(last_char);
}
}
pub fn new_ones_from_path(path: &str, number_of_chars: usize) -> Vec<MapKey> {
let key: Vec<MapKey> = path
.split('/')
.map(|part| Self::new_from_part_path(part, number_of_chars))
.collect();
debug!(
"Generated full MapKeys: '{}' -> '{}'",
path,
MapKey::display(&key)
);
key
}
pub fn display(values: &[Self]) -> String {
values.iter().map(|value| value.key.clone()).collect()
}
fn part_path_to_key(part: &str, number_of_chars: usize) -> String {
let value = if part.contains('_') {
part.split('_')
.map(|ch| ch.chars().take(number_of_chars).collect::<Vec<char>>())
.flatten()
.collect()
} else if part.contains('-') {
part.split('-')
.map(|ch| ch.chars().take(number_of_chars).collect::<Vec<char>>())
.flatten()
.collect()
} else {
part.chars().take(number_of_chars).collect::<String>()
};
value
}
}
impl Display for MapKey {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(&self.key)
}
}
// pub fn gen_hot_key(path: &Path, base_path: &Path, amount_of_chars: usize) -> String {
// let mut return_val = String::from("g");
// if path_filename_as_str.contains("_") {
// path_filename_as_str.split("_").for_each(|a| {
// return_val.push(
// a.chars()
// .nth(0)
// .expect("All names should have a first char"),
// )
// });
// } else {
// if path == base_path {
// return_val.push(
// path_filename_as_str
// .chars()
// .nth(0)
// .expect("All names should have a first char"),
// );
// } else {
// for a in 0..amount_of_chars {
// return_val.push(if let Some(b) = path_filename_as_str.chars().nth(a) {
// b
// } else {
// path_filename_as_str
// .chars()
// .nth(0)
// .expect("All names should have a first char")
// });
// }
// }
// }
// if path == base_path {
// return_val.push('.');
// }
// return_val
// }
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn gen_hot_key_test() {
let gen1 = gen_hot_key(
Path::new("/home/dt/repos/java_script"),
Path::new("/home/dt/repos"),
1,
);
assert_eq!(gen1, "grjs".to_owned());
}
#[test]
fn gen_hot_key_test_for_same_names() {
let gen1 = gen_hot_key(Path::new("/home/dt/repos/"), Path::new("/home/dt/repos"), 1);
assert_eq!(gen1, "gr.".to_owned());
}
#[test]
fn gen_hot_key_test_for_non_underscore_name() {
let gen1 = gen_hot_key(
Path::new("/home/dt/repos/rust"),
Path::new("/home/dt/repos"),
1,
);
assert_eq!(gen1, "grr".to_owned());
}
}
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