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Feature: Filter by invert_filter: reverse match

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Mimic grep's -v option.

Allows dust to only match files that do not match the given filter
This commit is contained in:
andy.boot
2021-09-05 09:50:45 +01:00
parent 124c19b5c9
commit 9d2e6d2b36
6 changed files with 77 additions and 21 deletions
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src/filter.rs
+5 -5
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@@ -17,7 +17,7 @@ pub fn get_by_depth(top_level_nodes: Vec<Node>, n: usize) -> Option<DisplayNode>
pub fn get_biggest(
top_level_nodes: Vec<Node>,
n: usize,
using_file_type_filter: bool,
using_a_filter: bool,
) -> Option<DisplayNode> {
if top_level_nodes.is_empty() {
// perhaps change this, bring back Error object?
@@ -30,14 +30,14 @@ pub fn get_biggest(
let mut allowed_nodes = HashSet::new();
allowed_nodes.insert(&root.name);
heap = add_children(using_file_type_filter, &root, heap);
heap = add_children(using_a_filter, &root, heap);
for _ in number_top_level_nodes..n {
let line = heap.pop();
match line {
Some(line) => {
allowed_nodes.insert(&line.name);
heap = add_children(using_file_type_filter, line, heap);
heap = add_children(using_a_filter, line, heap);
}
None => break,
}
@@ -76,11 +76,11 @@ pub fn get_all_file_types(top_level_nodes: Vec<Node>, n: usize) -> Option<Displa
}
fn add_children<'a>(
using_file_type_filter: bool,
using_a_filter: bool,
line: &'a Node,
mut heap: BinaryHeap<&'a Node>,
) -> BinaryHeap<&'a Node> {
if using_file_type_filter {
if using_a_filter {
line.children.iter().for_each(|c| {
if c.name.is_file() || c.size > 0 {
heap.push(c)