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forgejo/modules/markup/markdown/transform_codespan.go
silverwind d8bc0495de
Enable unparam linter (#31277)
Enable [unparam](https://github.com/mvdan/unparam) linter.

Often I could not tell the intention why param is unused, so I put
`//nolint` for those cases like webhook request creation functions never
using `ctx`.

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
(cherry picked from commit fc2d75f86d77b022ece848acf2581c14ef21d43b)

Conflicts:
	modules/setting/config_env.go
	modules/storage/azureblob.go
	services/webhook/dingtalk.go
	services/webhook/discord.go
	services/webhook/feishu.go
	services/webhook/matrix.go
	services/webhook/msteams.go
	services/webhook/packagist.go
	services/webhook/slack.go
	services/webhook/telegram.go
	services/webhook/wechatwork.go

	run make lint-go and fix Forgejo specific warnings
2024-06-16 13:42:58 +02:00

56 lines
1.6 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package markdown
import (
"bytes"
"fmt"
"strings"
"code.gitea.io/gitea/modules/markup"
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/renderer/html"
"github.com/yuin/goldmark/text"
"github.com/yuin/goldmark/util"
)
// renderCodeSpan renders CodeSpan elements (like goldmark upstream does) but also renders ColorPreview elements.
// See #21474 for reference
func (r *HTMLRenderer) renderCodeSpan(w util.BufWriter, source []byte, n ast.Node, entering bool) (ast.WalkStatus, error) {
if entering {
if n.Attributes() != nil {
_, _ = w.WriteString("<code")
html.RenderAttributes(w, n, html.CodeAttributeFilter)
_ = w.WriteByte('>')
} else {
_, _ = w.WriteString("<code>")
}
for c := n.FirstChild(); c != nil; c = c.NextSibling() {
switch v := c.(type) {
case *ast.Text:
segment := v.Segment
value := segment.Value(source)
if bytes.HasSuffix(value, []byte("\n")) {
r.Writer.RawWrite(w, value[:len(value)-1])
r.Writer.RawWrite(w, []byte(" "))
} else {
r.Writer.RawWrite(w, value)
}
case *ColorPreview:
_, _ = w.WriteString(fmt.Sprintf(`<span class="color-preview" style="background-color: %v"></span>`, string(v.Color)))
}
}
return ast.WalkSkipChildren, nil
}
_, _ = w.WriteString("</code>")
return ast.WalkContinue, nil
}
func (g *ASTTransformer) transformCodeSpan(_ *markup.RenderContext, v *ast.CodeSpan, reader text.Reader) {
colorContent := v.Text(reader.Source())
if matchColor(strings.ToLower(string(colorContent))) {
v.AppendChild(v, NewColorPreview(colorContent))
}
}