gitea/modules/markup/asciicast/asciicast.go

54 lines
1.4 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package asciicast
import (
"fmt"
"io"
"net/url"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
func init() {
markup.RegisterRenderer(Renderer{})
}
// Renderer implements markup.Renderer for asciicast files.
// See https://github.com/asciinema/asciinema/blob/develop/doc/asciicast-v2.md
type Renderer struct{}
// Name implements markup.Renderer
func (Renderer) Name() string {
return "asciicast"
}
// Extensions implements markup.Renderer
func (Renderer) Extensions() []string {
return []string{".cast"}
}
const (
playerClassName = "asciinema-player-container"
playerSrcAttr = "data-asciinema-player-src"
)
// SanitizerRules implements markup.Renderer
func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
return []setting.MarkupSanitizerRule{{Element: "div", AllowAttr: playerSrcAttr}}
}
// Render implements markup.Renderer
func (Renderer) Render(ctx *markup.RenderContext, _ io.Reader, output io.Writer) error {
rawURL := fmt.Sprintf("%s/%s/%s/raw/%s/%s",
setting.AppSubURL,
url.PathEscape(ctx.Metas["user"]),
url.PathEscape(ctx.Metas["repo"]),
ctx.Metas["BranchNameSubURL"],
url.PathEscape(ctx.RelativePath),
)
return ctx.RenderInternal.FormatWithSafeAttrs(output, `<div class="%s" %s="%s"></div>`, playerClassName, playerSrcAttr, rawURL)
}