mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-20 11:33:25 +02:00
* fix: media links in org files not liked to media files * fix: write directly to io.Writer r as suggested by code review Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net>
118 lines
2.9 KiB
Go
118 lines
2.9 KiB
Go
// Copyright 2017 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 markup
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"html"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/markup"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
"github.com/niklasfasching/go-org/org"
|
|
)
|
|
|
|
func init() {
|
|
markup.RegisterParser(Parser{})
|
|
}
|
|
|
|
// Parser implements markup.Parser for orgmode
|
|
type Parser struct {
|
|
}
|
|
|
|
// Name implements markup.Parser
|
|
func (Parser) Name() string {
|
|
return "orgmode"
|
|
}
|
|
|
|
// Extensions implements markup.Parser
|
|
func (Parser) Extensions() []string {
|
|
return []string{".org"}
|
|
}
|
|
|
|
// Render renders orgmode rawbytes to HTML
|
|
func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
|
|
htmlWriter := org.NewHTMLWriter()
|
|
|
|
renderer := &Renderer{
|
|
HTMLWriter: htmlWriter,
|
|
URLPrefix: urlPrefix,
|
|
IsWiki: isWiki,
|
|
}
|
|
|
|
htmlWriter.ExtendingWriter = renderer
|
|
|
|
res, err := org.New().Silent().Parse(bytes.NewReader(rawBytes), "").Write(renderer)
|
|
if err != nil {
|
|
log.Error("Panic in orgmode.Render: %v Just returning the rawBytes", err)
|
|
return rawBytes
|
|
}
|
|
return []byte(res)
|
|
}
|
|
|
|
// RenderString reners orgmode string to HTML string
|
|
func RenderString(rawContent string, urlPrefix string, metas map[string]string, isWiki bool) string {
|
|
return string(Render([]byte(rawContent), urlPrefix, metas, isWiki))
|
|
}
|
|
|
|
// Render reners orgmode string to HTML string
|
|
func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
|
|
return Render(rawBytes, urlPrefix, metas, isWiki)
|
|
}
|
|
|
|
// Renderer implements org.Writer
|
|
type Renderer struct {
|
|
*org.HTMLWriter
|
|
URLPrefix string
|
|
IsWiki bool
|
|
}
|
|
|
|
var byteMailto = []byte("mailto:")
|
|
|
|
// WriteRegularLink renders images, links or videos
|
|
func (r *Renderer) WriteRegularLink(l org.RegularLink) {
|
|
link := []byte(html.EscapeString(l.URL))
|
|
if l.Protocol == "file" {
|
|
link = link[len("file:"):]
|
|
}
|
|
if len(link) > 0 && !markup.IsLink(link) &&
|
|
link[0] != '#' && !bytes.HasPrefix(link, byteMailto) {
|
|
lnk := string(link)
|
|
if r.IsWiki {
|
|
lnk = util.URLJoin("wiki", lnk)
|
|
}
|
|
link = []byte(util.URLJoin(r.URLPrefix, lnk))
|
|
}
|
|
|
|
description := string(link)
|
|
if l.Description != nil {
|
|
description = r.WriteNodesAsString(l.Description...)
|
|
}
|
|
switch l.Kind() {
|
|
case "image":
|
|
imageSrc := getMediaURL(link)
|
|
fmt.Fprintf(r, `<img src="%s" alt="%s" title="%s" />`, imageSrc, description, description)
|
|
case "video":
|
|
videoSrc := getMediaURL(link)
|
|
fmt.Fprintf(r, `<video src="%s" title="%s">%s</video>`, videoSrc, description, description)
|
|
default:
|
|
fmt.Fprintf(r, `<a href="%s" title="%s">%s</a>`, link, description, description)
|
|
}
|
|
}
|
|
|
|
func getMediaURL(l []byte) string {
|
|
srcURL := string(l)
|
|
|
|
// Check if link is valid
|
|
if len(srcURL) > 0 && !markup.IsLink(l) {
|
|
srcURL = strings.Replace(srcURL, "/src/", "/media/", 1)
|
|
}
|
|
|
|
return srcURL
|
|
}
|