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WIP: Switch to byte-oriented indexing

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-05-17 18:01:08 +02:00
parent 529a42e78f
commit f7691fc00c
2 changed files with 80 additions and 70 deletions
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15
zed/src/util.rs
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@ -1,21 +1,6 @@
use rand::prelude::*;
use std::{cmp::Ordering, ops::Range};
pub fn byte_range_for_char_range(text: impl AsRef<str>, char_range: Range<usize>) -> Range<usize> {
let text = text.as_ref();
let mut result = text.len()..text.len();
for (i, (offset, _)) in text.char_indices().enumerate() {
if i == char_range.start {
result.start = offset;
}
if i == char_range.end {
result.end = offset;
break;
}
}
result
}
pub fn post_inc(value: &mut usize) -> usize {
let prev = *value;
*value += 1;