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Clear out commented code & once again perform full file diff on update

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Julia 2022-09-14 18:44:00 -04:00
parent c1249a3d84
commit e72e132ce2
1 changed files with 11 additions and 131 deletions
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142
crates/language/src/git.rs
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@ -202,96 +202,20 @@ impl BufferDiff {
}
pub fn update(&mut self, head_text: &str, buffer: &text::BufferSnapshot) {
// let buffer_string = buffer.as_rope().to_string();
// let buffer_bytes = buffer_string.as_bytes();
let mut tree = SumTree::new();
// let mut options = GitOptions::default();
// options.context_lines(0);
// let patch = match GitPatch::from_buffers(
// head_text.as_bytes(),
// None,
// buffer_bytes,
// None,
// Some(&mut options),
// ) {
// Ok(patch) => patch,
// Err(_) => todo!("This needs to be handled"),
// };
let buffer_text = buffer.as_rope().to_string();
let patch = Self::diff(&head_text, &buffer_text);
// let mut hunks = SumTree::<DiffHunk<Anchor>>::new();
// let mut delta = 0i64;
// for hunk_index in 0..patch.num_hunks() {
// for line_index in 0..patch.num_lines_in_hunk(hunk_index).unwrap() {
// let line = patch.line_in_hunk(hunk_index, line_index).unwrap();
// let hunk = match line.origin_value() {
// GitDiffLineType::Addition => {
// let buffer_start = line.content_offset();
// let buffer_end = buffer_start as usize + line.content().len();
// let head_offset = (buffer_start - delta) as usize;
// delta += line.content().len() as i64;
// DiffHunk {
// buffer_range: buffer.anchor_before(buffer_start as usize)
// ..buffer.anchor_after(buffer_end),
// head_byte_range: head_offset..head_offset,
// }
// }
// GitDiffLineType::Deletion => {
// let head_start = line.content_offset();
// let head_end = head_start as usize + line.content().len();
// let buffer_offset = (head_start + delta) as usize;
// delta -= line.content().len() as i64;
// DiffHunk {
// buffer_range: buffer.anchor_before(buffer_offset)
// ..buffer.anchor_after(buffer_offset),
// head_byte_range: (head_start as usize)..head_end,
// }
// }
// _ => continue,
// };
// let mut combined = false;
// hunks.update_last(
// |last_hunk| {
// if last_hunk.head_byte_range.end == hunk.head_byte_range.start {
// last_hunk.head_byte_range.end = hunk.head_byte_range.end;
// last_hunk.buffer_range.end = hunk.buffer_range.end;
// combined = true;
// }
// },
// buffer,
// );
// if !combined {
// hunks.push(hunk, buffer);
// }
// }
// }
// println!("=====");
// for hunk in hunks.iter() {
// let buffer_range = hunk.buffer_range.to_point(&buffer);
// println!(
// "hunk in buffer range {buffer_range:?}, head slice {:?}",
// &head_text[hunk.head_byte_range.clone()]
// );
// }
// println!("=====");
// self.snapshot.tree = hunks;
if let Some(patch) = patch {
for hunk_index in 0..patch.num_hunks() {
let hunk = Self::process_patch_hunk(&patch, hunk_index, buffer);
tree.push(hunk, buffer);
}
}
pub fn actual_update(
&mut self,
head_text: &str,
buffer: &BufferSnapshot,
) -> Option<DiffHunk<Anchor>> {
for edit_range in self.group_edit_ranges(buffer) {
// let patch = self.diff(head, current)?;
}
None
self.last_update_version = buffer.version().clone();
self.snapshot.tree = tree;
}
fn diff<'a>(head: &'a str, current: &'a str) -> Option<GitPatch<'a>> {
@ -316,7 +240,7 @@ impl BufferDiff {
}
}
fn group_edit_ranges(&mut self, buffer: &text::BufferSnapshot) -> Vec<Range<u32>> {
fn group_edit_ranges(&self, buffer: &text::BufferSnapshot) -> Vec<Range<u32>> {
const EXPAND_BY: u32 = 20;
const COMBINE_DISTANCE: u32 = 5;
@ -338,7 +262,6 @@ impl BufferDiff {
}
}
self.last_update_version = buffer.version().clone();
ranges
}
@ -410,49 +333,6 @@ impl BufferDiff {
head_byte_range,
}
}
fn name() {
// if self.hunk_index >= self.patch.num_hunks() {
// return None;
// }
// let mut line_iter = HunkLineIter::new(&self.patch, self.hunk_index);
// let line = line_iter.find(|line| {
// matches!(
// line.origin_value(),
// GitDiffLineType::Addition | GitDiffLineType::Deletion
// )
// })?;
// //For the first line of a hunk the content offset is equally valid for an addition or deletion
// let content_offset = line.content_offset() as usize;
// let mut buffer_range = content_offset..content_offset;
// let mut head_byte_range = match line.origin_value() {
// GitDiffLineType::Addition => content_offset..content_offset,
// GitDiffLineType::Deletion => content_offset..content_offset + line.content().len(),
// _ => unreachable!(),
// };
// for line in line_iter {
// match line.origin_value() {
// GitDiffLineType::Addition => {
// // buffer_range.end =
// }
// GitDiffLineType::Deletion => {}
// _ => continue,
// }
// }
// self.hunk_index += 1;
// Some(DiffHunk {
// buffer_range: buffer.anchor_before(buffer_range.start)
// ..buffer.anchor_before(buffer_range.end),
// head_byte_range,
// })
}
}
#[cfg(test)]