diff options
Diffstat (limited to 'crates/syntax/src/ast/traits.rs')
-rw-r--r-- | crates/syntax/src/ast/traits.rs | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/crates/syntax/src/ast/traits.rs b/crates/syntax/src/ast/traits.rs index 0bdc22d95..13a769d51 100644 --- a/crates/syntax/src/ast/traits.rs +++ b/crates/syntax/src/ast/traits.rs | |||
@@ -91,40 +91,12 @@ impl CommentIter { | |||
91 | /// That is, strips leading `///` (+ optional 1 character of whitespace), | 91 | /// That is, strips leading `///` (+ optional 1 character of whitespace), |
92 | /// trailing `*/`, trailing whitespace and then joins the lines. | 92 | /// trailing `*/`, trailing whitespace and then joins the lines. |
93 | pub fn doc_comment_text(self) -> Option<String> { | 93 | pub fn doc_comment_text(self) -> Option<String> { |
94 | let mut has_comments = false; | 94 | let docs = |
95 | let docs = self | 95 | self.filter_map(|comment| comment.doc_comment().map(ToOwned::to_owned)).join("\n"); |
96 | .filter(|comment| comment.kind().doc.is_some()) | 96 | if docs.is_empty() { |
97 | .map(|comment| { | ||
98 | has_comments = true; | ||
99 | let prefix_len = comment.prefix().len(); | ||
100 | |||
101 | let line: &str = comment.text().as_str(); | ||
102 | |||
103 | // Determine if the prefix or prefix + 1 char is stripped | ||
104 | let pos = | ||
105 | if let Some(ws) = line.chars().nth(prefix_len).filter(|c| c.is_whitespace()) { | ||
106 | prefix_len + ws.len_utf8() | ||
107 | } else { | ||
108 | prefix_len | ||
109 | }; | ||
110 | |||
111 | let end = if comment.kind().shape.is_block() && line.ends_with("*/") { | ||
112 | line.len() - 2 | ||
113 | } else { | ||
114 | line.len() | ||
115 | }; | ||
116 | |||
117 | // Note that we do not trim the end of the line here | ||
118 | // since whitespace can have special meaning at the end | ||
119 | // of a line in markdown. | ||
120 | line[pos..end].to_owned() | ||
121 | }) | ||
122 | .join("\n"); | ||
123 | |||
124 | if has_comments { | ||
125 | Some(docs) | ||
126 | } else { | ||
127 | None | 97 | None |
98 | } else { | ||
99 | Some(docs) | ||
128 | } | 100 | } |
129 | } | 101 | } |
130 | } | 102 | } |