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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// lheading (---, ===)
export default function lheading (state, startLine, endLine/*, silent */) {
const terminatorRules = state.md.block.ruler.getRules('paragraph')
// if it's indented more than 3 spaces, it should be a code block
if (state.sCount[startLine] - state.blkIndent >= 4) { return false }
const oldParentType = state.parentType
state.parentType = 'paragraph' // use paragraph to match terminatorRules
// jump line-by-line until empty one or EOF
let level = 0
let marker
let nextLine = startLine + 1
for (; nextLine < endLine && !state.isEmpty(nextLine); nextLine++) {
// this would be a code block normally, but after paragraph
// it's considered a lazy continuation regardless of what's there
if (state.sCount[nextLine] - state.blkIndent > 3) { continue }
//
// Check for underline in setext header
//
if (state.sCount[nextLine] >= state.blkIndent) {
let pos = state.bMarks[nextLine] + state.tShift[nextLine]
const max = state.eMarks[nextLine]
if (pos < max) {
marker = state.src.charCodeAt(pos)
if (marker === 0x2D/* - */ || marker === 0x3D/* = */) {
pos = state.skipChars(pos, marker)
pos = state.skipSpaces(pos)
if (pos >= max) {
level = (marker === 0x3D/* = */ ? 1 : 2)
break
}
}
}
}
// quirk for blockquotes, this line should already be checked by that rule
if (state.sCount[nextLine] < 0) { continue }
// Some tags can terminate paragraph without empty line.
let terminate = false
for (let i = 0, l = terminatorRules.length; i < l; i++) {
if (terminatorRules[i](state, nextLine, endLine, true)) {
terminate = true
break
}
}
if (terminate) { break }
}
if (!level) {
// Didn't find valid underline
return false
}
const content = state.getLines(startLine, nextLine, state.blkIndent, false).trim()
state.line = nextLine + 1
const token_o = state.push('heading_open', 'h' + String(level), 1)
token_o.markup = String.fromCharCode(marker)
token_o.map = [startLine, state.line]
const token_i = state.push('inline', '', 0)
token_i.content = content
token_i.map = [startLine, state.line - 1]
token_i.children = []
const token_c = state.push('heading_close', 'h' + String(level), -1)
token_c.markup = String.fromCharCode(marker)
state.parentType = oldParentType
return true
}
|
