blob: e4c0f3761daca42920a379a1496a543756183c6f (
plain)
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
|
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package math
import (
"bytes"
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/renderer"
"github.com/yuin/goldmark/util"
)
// InlineRenderer is an inline renderer
type InlineRenderer struct{}
// NewInlineRenderer returns a new renderer for inline math
func NewInlineRenderer() renderer.NodeRenderer {
return &InlineRenderer{}
}
func (r *InlineRenderer) renderInline(w util.BufWriter, source []byte, n ast.Node, entering bool) (ast.WalkStatus, error) {
if entering {
_, _ = w.WriteString(`<code class="language-math is-loading">`)
for c := n.FirstChild(); c != nil; c = c.NextSibling() {
segment := c.(*ast.Text).Segment
value := util.EscapeHTML(segment.Value(source))
if bytes.HasSuffix(value, []byte("\n")) {
_, _ = w.Write(value[:len(value)-1])
if c != n.LastChild() {
_, _ = w.Write([]byte(" "))
}
} else {
_, _ = w.Write(value)
}
}
return ast.WalkSkipChildren, nil
}
_, _ = w.WriteString(`</code>`)
return ast.WalkContinue, nil
}
// RegisterFuncs registers the renderer for inline math nodes
func (r *InlineRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
reg.Register(KindInline, r.renderInline)
}
|
