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helix
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refactor: simplify code

pull/12043/head
Nikita Revenco 2025-01-11 17:43:57 +00:00
parent e073a2eb7b
commit d7a3ffa2d8
1 changed files with 19 additions and 16 deletions
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35
helix-core/src/case_conversion.rs
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@ -13,7 +13,7 @@ pub fn simple_case_conversion(
}
pub fn smart_case_conversion(
text: impl Iterator<Item = char>,
chars: impl Iterator<Item = char>,
buf: &mut Tendril,
capitalize_first: bool,
separator: Option<char>,
@ -21,34 +21,37 @@ pub fn smart_case_conversion(
let mut should_capitalize_current = capitalize_first;
let mut prev: Option<char> = None;
for c in text.skip_while(|ch| ch.is_whitespace()) {
if c.is_alphanumeric() {
for current in chars.skip_while(|ch| ch.is_whitespace()) {
let mut maybe_add_separator = || {
if let Some(separator) = separator {
if prev.is_some_and(|p| p != separator)
&& prev.is_some_and(|p| p.is_lowercase())
&& c.is_uppercase()
{
// We do not want to add a separator when the previous char is not a separator
// For example, snake__case is invalid
if prev.is_some_and(|ch| ch != separator) {
buf.push(separator);
}
}
if prev.is_some_and(|p| p.is_lowercase()) && c.is_uppercase() {
};
if current.is_alphanumeric() {
// "camelCase" => transition at 'l' -> 'C'
let has_camel_transition =
current.is_uppercase() && prev.is_some_and(|ch| ch.is_lowercase());
if has_camel_transition {
maybe_add_separator();
should_capitalize_current = true;
}
if should_capitalize_current {
buf.push(c.to_ascii_uppercase());
buf.push(current.to_ascii_uppercase());
should_capitalize_current = false;
} else {
buf.extend(c.to_lowercase());
buf.push(current.to_ascii_lowercase());
}
} else {
should_capitalize_current = true;
if let Some(separator) = separator {
if prev.is_some_and(|p| p != separator) {
buf.push(separator);
maybe_add_separator();
}
}
}
prev = Some(c);
prev = Some(current);
}
*buf = buf.trim_end().into();