mirror of
https://codeberg.org/forgejo/forgejo.git
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103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package markup
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import (
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"bytes"
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"fmt"
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"html"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/util"
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"github.com/niklasfasching/go-org/org"
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)
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func init() {
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markup.RegisterParser(Parser{})
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}
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// Parser implements markup.Parser for orgmode
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type Parser struct {
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}
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// Name implements markup.Parser
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func (Parser) Name() string {
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return "orgmode"
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}
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// Extensions implements markup.Parser
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func (Parser) Extensions() []string {
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return []string{".org"}
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}
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// Render renders orgmode rawbytes to HTML
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func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
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htmlWriter := org.NewHTMLWriter()
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renderer := &Renderer{
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HTMLWriter: htmlWriter,
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URLPrefix: urlPrefix,
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IsWiki: isWiki,
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}
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htmlWriter.ExtendingWriter = renderer
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res, err := org.New().Silent().Parse(bytes.NewReader(rawBytes), "").Write(renderer)
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if err != nil {
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log.Error("Panic in orgmode.Render: %v Just returning the rawBytes", err)
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return rawBytes
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}
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return []byte(res)
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}
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// RenderString reners orgmode string to HTML string
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func RenderString(rawContent string, urlPrefix string, metas map[string]string, isWiki bool) string {
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return string(Render([]byte(rawContent), urlPrefix, metas, isWiki))
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}
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// Render reners orgmode string to HTML string
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func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte {
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return Render(rawBytes, urlPrefix, metas, isWiki)
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}
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// Renderer implements org.Writer
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type Renderer struct {
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*org.HTMLWriter
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URLPrefix string
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IsWiki bool
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}
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var byteMailto = []byte("mailto:")
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// WriteRegularLink renders images, links or videos
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func (r *Renderer) WriteRegularLink(l org.RegularLink) {
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link := []byte(html.EscapeString(l.URL))
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if l.Protocol == "file" {
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link = link[len("file:"):]
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}
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if len(link) > 0 && !markup.IsLink(link) &&
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link[0] != '#' && !bytes.HasPrefix(link, byteMailto) {
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lnk := string(link)
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if r.IsWiki {
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lnk = util.URLJoin("wiki", lnk)
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}
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link = []byte(util.URLJoin(r.URLPrefix, lnk))
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}
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description := string(link)
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if l.Description != nil {
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description = r.WriteNodesAsString(l.Description...)
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}
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switch l.Kind() {
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case "image":
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r.WriteString(fmt.Sprintf(`<img src="%s" alt="%s" title="%s" />`, link, description, description))
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case "video":
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r.WriteString(fmt.Sprintf(`<video src="%s" title="%s">%s</video>`, link, description, description))
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default:
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r.WriteString(fmt.Sprintf(`<a href="%s" title="%s">%s</a>`, link, description, description))
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}
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}
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