mirror of
https://github.com/go-gitea/gitea
synced 2024-12-27 03:54:29 +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>
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package math
|
|
|
|
import (
|
|
gast "github.com/yuin/goldmark/ast"
|
|
"github.com/yuin/goldmark/renderer"
|
|
"github.com/yuin/goldmark/util"
|
|
)
|
|
|
|
// BlockRenderer represents a renderer for math Blocks
|
|
type BlockRenderer struct{}
|
|
|
|
// NewBlockRenderer creates a new renderer for math Blocks
|
|
func NewBlockRenderer() renderer.NodeRenderer {
|
|
return &BlockRenderer{}
|
|
}
|
|
|
|
// RegisterFuncs registers the renderer for math Blocks
|
|
func (r *BlockRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
|
|
reg.Register(KindBlock, r.renderBlock)
|
|
}
|
|
|
|
func (r *BlockRenderer) writeLines(w util.BufWriter, source []byte, n gast.Node) {
|
|
l := n.Lines().Len()
|
|
for i := 0; i < l; i++ {
|
|
line := n.Lines().At(i)
|
|
_, _ = w.Write(util.EscapeHTML(line.Value(source)))
|
|
}
|
|
}
|
|
|
|
func (r *BlockRenderer) renderBlock(w util.BufWriter, source []byte, node gast.Node, entering bool) (gast.WalkStatus, error) {
|
|
n := node.(*Block)
|
|
if entering {
|
|
_, _ = w.WriteString(`<pre class="code-block is-loading"><code class="chroma language-math display">`)
|
|
r.writeLines(w, source, n)
|
|
} else {
|
|
_, _ = w.WriteString(`</code></pre>` + "\n")
|
|
}
|
|
return gast.WalkContinue, nil
|
|
}
|