-
Notifications
You must be signed in to change notification settings - Fork 1
/
paragraph.go
71 lines (56 loc) · 1.47 KB
/
paragraph.go
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
package md
import (
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/parser"
"github.com/yuin/goldmark/text"
)
type paragraph struct{}
var _paragraph = paragraph{}
func (b paragraph) Trigger() []byte {
return nil
}
func (b paragraph) Open(p ast.Node, r text.Reader, pc parser.Context) (ast.Node, parser.State) {
_, segment := r.PeekLine()
// segment = segment.TrimLeftSpace(r.Source())
if segment.IsEmpty() {
return nil, parser.NoChildren
}
node := ast.NewParagraph()
node.Lines().Append(segment)
r.Advance(segment.Len() - 1)
return node, parser.NoChildren
}
func (b paragraph) Continue(node ast.Node, r text.Reader, pc parser.Context) parser.State {
_, segment := r.PeekLine()
// segment = segment.TrimLeftSpace(r.Source())
if segment.IsEmpty() {
return parser.Close
}
node.Lines().Append(segment)
r.Advance(segment.Len() - 1)
return parser.Continue | parser.NoChildren
}
func (b paragraph) Close(node ast.Node, r text.Reader, pc parser.Context) {
p := node.Parent()
if p == nil {
// paragraph has been transformed
return
}
lines := node.Lines()
if lines.Len() != 0 {
// trim trailing spaces
length := lines.Len()
lastLine := node.Lines().At(length - 1)
node.Lines().Set(length-1, lastLine.TrimRightSpace(r.Source()))
}
if lines.Len() == 0 {
node.Parent().RemoveChild(node.Parent(), node)
return
}
}
func (b paragraph) CanInterruptParagraph() bool {
return false
}
func (b paragraph) CanAcceptIndentedLine() bool {
return false
}