mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-10-30 17:34:13 +01:00
e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
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)
|
|
}
|