// 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" "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": r.WriteString(fmt.Sprintf(`<img src="%s" alt="%s" title="%s" />`, link, description, description)) case "video": r.WriteString(fmt.Sprintf(`<video src="%s" title="%s">%s</video>`, link, description, description)) default: r.WriteString(fmt.Sprintf(`<a href="%s" title="%s">%s</a>`, link, description, description)) } }