mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-15 07:09:47 +01:00
9d99f6ab19
* Refactor renders * Some performance optimization * Fix comment * Transform reader * Fix csv test * Fix test * Fix tests * Improve optimaziation * Fix test * Fix test * Detect file encoding with reader * Improve optimaziation * reduce memory usage * improve code * fix build * Fix test * Fix for go1.15 * Fix render * Fix comment * Fix lint * Fix test * Don't use NormalEOF when unnecessary * revert change on util.go * Apply suggestions from code review Co-authored-by: zeripath <art27@cantab.net> * rename function * Take NormalEOF back Co-authored-by: zeripath <art27@cantab.net>
124 lines
3 KiB
Go
124 lines
3 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"
|
|
"io"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/markup"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
"github.com/niklasfasching/go-org/org"
|
|
)
|
|
|
|
func init() {
|
|
markup.RegisterRenderer(Renderer{})
|
|
}
|
|
|
|
// Renderer implements markup.Renderer for orgmode
|
|
type Renderer struct {
|
|
}
|
|
|
|
// Name implements markup.Renderer
|
|
func (Renderer) Name() string {
|
|
return "orgmode"
|
|
}
|
|
|
|
// NeedPostProcess implements markup.Renderer
|
|
func (Renderer) NeedPostProcess() bool { return true }
|
|
|
|
// Extensions implements markup.Renderer
|
|
func (Renderer) Extensions() []string {
|
|
return []string{".org"}
|
|
}
|
|
|
|
// Render renders orgmode rawbytes to HTML
|
|
func Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
|
|
htmlWriter := org.NewHTMLWriter()
|
|
|
|
w := &Writer{
|
|
HTMLWriter: htmlWriter,
|
|
URLPrefix: ctx.URLPrefix,
|
|
IsWiki: ctx.IsWiki,
|
|
}
|
|
|
|
htmlWriter.ExtendingWriter = w
|
|
|
|
res, err := org.New().Silent().Parse(input, "").Write(w)
|
|
if err != nil {
|
|
return fmt.Errorf("orgmode.Render failed: %v", err)
|
|
}
|
|
_, err = io.Copy(output, strings.NewReader(res))
|
|
return err
|
|
}
|
|
|
|
// RenderString renders orgmode string to HTML string
|
|
func RenderString(ctx *markup.RenderContext, content string) (string, error) {
|
|
var buf strings.Builder
|
|
if err := Render(ctx, strings.NewReader(content), &buf); err != nil {
|
|
return "", err
|
|
}
|
|
return buf.String(), nil
|
|
}
|
|
|
|
// Render renders orgmode string to HTML string
|
|
func (Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
|
|
return Render(ctx, input, output)
|
|
}
|
|
|
|
// Writer implements org.Writer
|
|
type Writer struct {
|
|
*org.HTMLWriter
|
|
URLPrefix string
|
|
IsWiki bool
|
|
}
|
|
|
|
var byteMailto = []byte("mailto:")
|
|
|
|
// WriteRegularLink renders images, links or videos
|
|
func (r *Writer) 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
|
|
}
|