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WIP

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This commit is contained in:
Nathan Sobo 2021-11-14 16:24:40 -07:00
parent e644c0876e
commit 3154ccbafe
1 changed files with 13 additions and 15 deletions
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28
crates/editor/src/display_map/block_map.rs
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@ -81,7 +81,7 @@ pub struct HighlightedChunks<'a> {
input_chunks: wrap_map::HighlightedChunks<'a>,
input_chunk: HighlightedChunk<'a>,
block_chunks: Option<BlockChunks<'a>>,
output_row: u32,
output_position: Point,
max_output_row: u32,
}
@ -100,7 +100,7 @@ impl BlockMap {
next_block_id: AtomicUsize::new(0),
blocks: Vec::new(),
transforms: Mutex::new(SumTree::from_item(
Transform::isomorphic(wrap_snapshot.text_summary()),
Transform::isomorphic(wrap_snapshot.text_summary().lines),
&(),
)),
wrap_snapshot: Mutex::new(wrap_snapshot),
@ -292,14 +292,12 @@ impl<'a> BlockMapWriter<'a> {
{
Ok(ix) | Err(ix) => ix,
};
let mut text = block.text.into();
text.push("\n");
self.0.blocks.insert(
block_ix,
Arc::new(Block {
id,
position,
text,
text: block.text.into(),
runs: block.runs,
disposition: block.disposition,
}),
@ -348,7 +346,7 @@ impl BlockSnapshot {
input_chunk: Default::default(),
block_chunks: None,
transforms: cursor,
output_row: rows.start,
output_position: rows.start,
max_output_row: rows.end,
}
}
@ -449,13 +447,13 @@ impl<'a> Iterator for HighlightedChunks<'a> {
type Item = HighlightedChunk<'a>;
fn next(&mut self) -> Option<Self::Item> {
if self.output_row >= self.max_output_row {
if self.output_position >= self.max_output_row {
return None;
}
if let Some(block_chunks) = self.block_chunks.as_mut() {
if let Some(block_chunk) = block_chunks.next() {
self.output_row += block_chunk.text.matches('\n').count() as u32;
self.output_position += block_chunk.text.matches('\n').count() as u32;
return Some(block_chunk);
} else {
self.block_chunks.take();
@ -466,12 +464,12 @@ impl<'a> Iterator for HighlightedChunks<'a> {
if let Some(block) = transform.block.as_ref() {
let block_start = self.transforms.start().0 .0;
let block_end = self.transforms.end(&()).0 .0;
let start_row_in_block = self.output_row - block_start;
let start_row_in_block = self.output_position - block_start;
let end_row_in_block = cmp::min(self.max_output_row, block_end) - block_start;
self.transforms.next(&());
let mut block_chunks = BlockChunks::new(block, start_row_in_block..end_row_in_block);
if let Some(block_chunk) = block_chunks.next() {
self.output_row += block_chunk.text.matches('\n').count() as u32;
self.output_position += block_chunk.text.matches('\n').count() as u32;
return Some(block_chunk);
}
}
@ -480,9 +478,9 @@ impl<'a> Iterator for HighlightedChunks<'a> {
if let Some(input_chunk) = self.input_chunks.next() {
self.input_chunk = input_chunk;
} else {
self.output_row += 1;
self.output_position += 1;
self.transforms.next(&());
if self.output_row < self.max_output_row {
if self.output_position < self.max_output_row {
let mut chunk = self.input_chunk.clone();
chunk.text = "\n";
return Some(chunk);
@ -494,11 +492,11 @@ impl<'a> Iterator for HighlightedChunks<'a> {
let transform_end = self.transforms.end(&()).0 .0;
let (prefix_rows, prefix_bytes) =
offset_for_row(self.input_chunk.text, transform_end - self.output_row);
self.output_row += prefix_rows;
offset_for_row(self.input_chunk.text, transform_end - self.output_position);
self.output_position += prefix_rows;
let (prefix, suffix) = self.input_chunk.text.split_at(prefix_bytes);
self.input_chunk.text = suffix;
if self.output_row == transform_end {
if self.output_position == transform_end {
self.transforms.next(&());
}