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Test that completion word splitting does reasonable things

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Julia 2023-01-09 13:02:44 -05:00
parent a46ca32356
commit 97ed89a797
2 changed files with 45 additions and 28 deletions
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59
crates/editor/src/editor.rs
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@ -832,34 +832,9 @@ impl CompletionsMenu {
if let Some(query) = query {
if let Some(query_start) = query.chars().next() {
matches.retain(|string_match| {
let text = &string_match.string;
let mut index = 0;
let mut codepoints = text.char_indices().peekable();
std::iter::from_fn(move || {
let start_index = index;
while let Some((new_index, codepoint)) = codepoints.next() {
index = new_index + codepoint.len_utf8();
let current_upper = codepoint.is_uppercase();
let next_upper = codepoints
.peek()
.map(|(_, c)| c.is_uppercase())
.unwrap_or(false);
if !current_upper && next_upper {
return Some(&text[start_index..index]);
}
}
index = text.len();
if start_index < text.len() {
return Some(&text[start_index..]);
}
None
})
.flat_map(|word| word.split_inclusive('_'))
.any(|word| {
split_words(&string_match.string).any(|word| {
//Check that the first codepoint of the word as lowercase matches the first
//codepoint of the query as lowercase
word.chars()
.flat_map(|codepoint| codepoint.to_lowercase())
.zip(query_start.to_lowercase())
@ -6841,6 +6816,34 @@ pub fn styled_runs_for_code_label<'a>(
})
}
pub fn split_words<'a>(text: &'a str) -> impl std::iter::Iterator<Item = &'a str> + 'a {
let mut index = 0;
let mut codepoints = text.char_indices().peekable();
std::iter::from_fn(move || {
let start_index = index;
while let Some((new_index, codepoint)) = codepoints.next() {
index = new_index + codepoint.len_utf8();
let current_upper = codepoint.is_uppercase();
let next_upper = codepoints
.peek()
.map(|(_, c)| c.is_uppercase())
.unwrap_or(false);
if !current_upper && next_upper {
return Some(&text[start_index..index]);
}
}
index = text.len();
if start_index < text.len() {
return Some(&text[start_index..]);
}
None
})
.flat_map(|word| word.split_inclusive('_'))
}
trait RangeExt<T> {
fn sorted(&self) -> Range<T>;
fn to_inclusive(&self) -> RangeInclusive<T>;