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fix: factory delta with abs index and not skips

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This commit is contained in:
əlemi 2023-07-04 00:58:56 +02:00
parent 4e37ca971b
commit 06523b2325
1 changed files with 5 additions and 3 deletions
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8
src/operation/factory.rs
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@ -4,13 +4,15 @@ use similar::{TextDiff, ChangeTag};
pub trait OperationFactory {
fn content(&self) -> String;
fn replace(&self, txt: &str) -> OperationSeq { self.delta(0, txt, 0) }
fn replace(&self, txt: &str) -> OperationSeq {
self.delta(0, txt, self.content().len())
}
fn delta(&self, skip: usize, txt: &str, tail: usize) -> OperationSeq {
let mut out = OperationSeq::default();
let content = self.content();
let tail_index = content.len() - tail;
let content_slice = &content[skip..tail_index];
let content_slice = &content[skip..tail];
if content_slice == txt {
return out; // TODO this won't work, should we return a noop instead?
@ -28,7 +30,7 @@ pub trait OperationFactory {
}
}
out.retain(tail as u64);
out.retain(tail_index as u64);
out
}