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author | Benedikt Peetz <benedikt.peetz@b-peetz.de> | 2024-05-20 16:10:21 +0200 |
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committer | Benedikt Peetz <benedikt.peetz@b-peetz.de> | 2024-05-20 16:14:26 +0200 |
commit | 368cb6b0d25db2ae23be42ad51584de059997e51 (patch) | |
tree | 3282e45d3ebced63c8498a47e83a255c35de620b /sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs | |
parent | refactor(hm): Rename to `modules/home` (diff) | |
download | nixos-config-368cb6b0d25db2ae23be42ad51584de059997e51.tar.gz nixos-config-368cb6b0d25db2ae23be42ad51584de059997e51.zip |
refactor(sys): Modularize and move to `modules/system` or `pkgs`
Diffstat (limited to 'sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs')
-rw-r--r-- | sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs b/sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs deleted file mode 100644 index 114fdca0..00000000 --- a/sys/nixpkgs/pkgs/lf-make-map/src/mapping/mod.rs +++ /dev/null @@ -1,156 +0,0 @@ -use std::{ - fmt::{Display, Write}, - hash::Hash, -}; - -use log::debug; - -pub mod map_tree; - -#[derive(Clone, Debug, Eq)] -pub struct MapKey { - pub key: char, - - 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) -> Vec<Self> { - let key = Self::part_path_to_key(&part_path, resolution); - - key.chars() - .map(|ch| Self { - key: ch, - resolution, - part_path: part_path.to_owned(), - }) - .collect() - } - - pub fn new_ones_from_path(path: &str, number_of_chars: usize) -> Vec<Self> { - let key: Vec<MapKey> = path - .split('/') - .map(|part| Self::new_from_part_path(part, number_of_chars)) - .flatten() - .collect(); - - debug!( - "Generated full MapKeys: '{}' -> '{}'", - path, - MapKey::display(&key) - ); - key - } - - pub fn increment(&self, target_resolution: usize) -> Vec<Self> { - let new_resolution = target_resolution; - - // debug!("Incrementing: '{}' ('{}')", &self, &self.part_path); - - let added_chars = if new_resolution < self.part_path.len() { - MapKey::part_path_to_key(&self.part_path, new_resolution) - } else { - let mut generated_chars = - MapKey::part_path_to_key(&self.part_path, self.part_path.len()); - - generated_chars.extend( - (0..(new_resolution - self.part_path.len())) - .into_iter() - .map(|_| self.part_path.chars().last().expect("This will exists")), - ); - - generated_chars - }; - - let part_path = self.part_path.clone(); - let output: Vec<Self> = added_chars - .chars() - .enumerate() - .map(|(res, ch)| MapKey { - key: ch, - resolution: res + 1, - part_path: part_path.clone(), - }) - .collect(); - - // debug!("Finished increment: '{}' ('{}')", MapKey::display(&output), output[0].part_path); - output - } - - 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 { - fn make(pat: char, part: &str, number_of_chars: usize) -> String { - let mut acc = String::new(); - - if !part.split(pat).all(|part| part.len() > 0) { - panic!( - "\ -Can't turn this path '{}' to a mapping. -This should not happen, please report the bug!", - part - ) - } - - let mut last_working = None; - for i in 0..number_of_chars { - for str in part.split(pat) { - if acc.len() != number_of_chars { - acc.push(match str.chars().nth(i) { - Some(ch) => ch, - None => { - if let Some(last) = last_working { - str.chars().nth(last).expect("This should always exist") - } else { - last_working = Some(i - 1); - str.chars().nth(i - 1).expect("This should always exist") - } - } - }) - } - } - } - - acc - } - - let value = if part.contains('_') && !part.starts_with('_') && !part.ends_with('_') { - make('_', part, number_of_chars) - } else if part.contains('-') && !part.starts_with('-') && !part.ends_with('-') { - make('-', part, number_of_chars) - } else { - part.chars().take(number_of_chars).collect::<String>() - }; - - assert_eq!( - value.len(), - number_of_chars, - "'{}' does not have expected length of: {}", - value, - number_of_chars - ); - value - } -} - -impl Display for MapKey { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.write_char(self.key) - } -} |