1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
module Issue.Text
( extractText,
stripIssueMarkers,
issueMarkers,
extractComments,
)
where
import CMark qualified as D
import Control.Arrow (first, second, (***))
import Data.Text (Text)
import Data.Text qualified as T
extractText :: Text -> (Text, Maybe Text)
extractText text = (title, description)
where
(title, description') = second T.stripStart $ T.breakOn "\n" text
description
| T.null description' = Nothing
| otherwise = Just description'
issueMarkers :: [T.Text]
issueMarkers =
[ "TODO",
"FIXME",
"QUESTION"
]
stripIssueMarkers :: T.Text -> ([T.Text], T.Text)
stripIssueMarkers text =
case [marker | marker <- issueMarkers, T.isPrefixOf marker text] of
(marker : _) ->
first (marker :) . stripIssueMarkers $
T.stripStart (T.drop (T.length marker) text)
[] ->
([], text)
extractComments :: T.Text -> ([T.Text], T.Text)
extractComments text = collect (D.commonmarkToNode [] text)
where
collect :: D.Node -> ([T.Text], T.Text)
collect (D.Node _ D.DOCUMENT ns) =
(map (toText . reverse) . reverse)
*** (toText . reverse)
$ collect' ([], []) ns
collect _ = error "commonmarkToNode: no document"
collect' :: ([[D.Node]], [D.Node]) -> [D.Node] -> ([[D.Node]], [D.Node])
collect' (as, rs) [] = (as, rs)
collect' ([], rs) (n@(D.Node _ D.PARAGRAPH (n' : _)) : ns)
| D.Node _ (D.TEXT s) _ <- n',
T.isPrefixOf "COMMENT" s =
collect' ([[n]], rs) ns
| otherwise = collect' ([], n : rs) ns
collect' (ass@(a : as), rs) (n@(D.Node _ D.PARAGRAPH (n' : _)) : ns)
| D.Node _ (D.TEXT s) _ <- n',
T.isPrefixOf "COMMENT" s =
collect' (([n] : ass), rs) ns
| otherwise = collect' (((n : a) : as), rs) ns
collect' (as, rs) (_ : ns) = collect' (as, rs) ns
toText = D.nodeToCommonmark [] Nothing . D.Node Nothing D.DOCUMENT
|
