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Merge "lix-doc: don't chomp bold headings off" into main

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jade 2024-05-18 18:24:49 +00:00 committed by Gerrit Code Review
commit d7d1547a41
1 changed files with 18 additions and 6 deletions
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24
lix-doc/src/lib.rs
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@ -84,9 +84,13 @@ fn indented(s: &str, indent: usize) -> String {
/// Cleans up a single line, erasing prefix single line comments but preserving indentation /// Cleans up a single line, erasing prefix single line comments but preserving indentation
fn cleanup_single_line<'a>(s: &'a str) -> &'a str { fn cleanup_single_line<'a>(s: &'a str) -> &'a str {
let mut cmt_new_start = 0; let mut cmt_new_start = 0;
for (idx, ch) in s.char_indices() { let mut iter = s.char_indices().peekable();
while let Some((idx, ch)) = iter.next() {
// peek at the next character, with an explicit '\n' as "next character" at end of line
let (_, next_ch) = iter.peek().unwrap_or(&(0, '\n'));
// if we find a character, save the byte position after it as our new string start // if we find a character, save the byte position after it as our new string start
if ch == '#' || ch == '*' { if ch == '#' || (ch == '*' && next_ch.is_whitespace()) {
cmt_new_start = idx + 1; cmt_new_start = idx + 1;
break; break;
} }
@ -206,7 +210,7 @@ fn visit_lambda(name: String, lambda: &Lambda) -> SearchResult {
SearchResult { SearchResult {
identifier: name, identifier: name,
doc: comment, doc: comment,
param_block param_block,
} }
} }
@ -246,7 +250,7 @@ pub extern "C" fn nd_get_function_docs(
filename: *const c_char, filename: *const c_char,
line: usize, line: usize,
col: usize, col: usize,
) -> *const c_char { ) -> *const c_char {
let fname = unsafe { CStr::from_ptr(filename) }; let fname = unsafe { CStr::from_ptr(filename) };
fname fname
.to_str() .to_str()
@ -257,9 +261,9 @@ pub extern "C" fn nd_get_function_docs(
eprintln!("panic!! {:#?}", e); eprintln!("panic!! {:#?}", e);
e e
}) })
.ok() .ok()
}) })
.flatten() .flatten()
.and_then(|s| CString::new(s).ok()) .and_then(|s| CString::new(s).ok())
.map(|s| s.into_raw() as *const c_char) .map(|s| s.into_raw() as *const c_char)
.unwrap_or(ptr::null()) .unwrap_or(ptr::null())
@ -319,8 +323,16 @@ mod tests {
let ex1 = " * a"; let ex1 = " * a";
let ex2 = " # a"; let ex2 = " # a";
let ex3 = " a"; let ex3 = " a";
let ex4 = " *";
assert_eq!(cleanup_single_line(ex1), " a"); assert_eq!(cleanup_single_line(ex1), " a");
assert_eq!(cleanup_single_line(ex2), " a"); assert_eq!(cleanup_single_line(ex2), " a");
assert_eq!(cleanup_single_line(ex3), ex3); assert_eq!(cleanup_single_line(ex3), ex3);
assert_eq!(cleanup_single_line(ex4), "");
}
#[test]
fn test_single_line_retains_bold_headings() {
let ex1 = " **Foo**:";
assert_eq!(cleanup_single_line(ex1), ex1);
} }
} }