html: Support pretty relative links

Hugo defaults to serving files with pretty urls [1] - this means
`/posts/foo.org` is served at `/posts/foo/`. This works because servers
default to serving index.html when a directory is specified and hugo renders
the post to `/posts/foo/index.html` instead of `/posts/foo.html`. To make
relative links work we need to (1) remove the fake `foo/` subdirectory from
unrooted links and (2) replace any `.org` suffix with `/`.

[1] https://gohugo.io/content-management/urls/#pretty-urls
This commit is contained in:
Niklas Fasching 2021-01-02 19:37:17 +01:00
parent 84d56e9562
commit 5dadf8c4c2
2 changed files with 38 additions and 3 deletions

View file

@ -15,8 +15,9 @@ import (
// HTMLWriter exports an org document into a html document.
type HTMLWriter struct {
ExtendingWriter Writer
HighlightCodeBlock func(source, lang string, inline bool) string
ExtendingWriter Writer
HighlightCodeBlock func(source, lang string, inline bool) string
PrettyRelativeLinks bool
strings.Builder
document *Document
@ -342,7 +343,14 @@ func (w *HTMLWriter) WriteRegularLink(l RegularLink) {
if l.Protocol == "file" {
url = url[len("file:"):]
}
if (l.Protocol == "file" || l.Protocol == "") && strings.HasSuffix(url, ".org") {
if isRelative := l.Protocol == "file" || l.Protocol == ""; isRelative && w.PrettyRelativeLinks {
if !strings.HasPrefix(url, "/") {
url = "../" + url
}
if strings.HasSuffix(url, ".org") {
url = strings.TrimSuffix(url, ".org") + "/"
}
} else if isRelative && strings.HasSuffix(url, ".org") {
url = strings.TrimSuffix(url, ".org") + ".html"
}
if prefix := w.document.Links[l.Protocol]; prefix != "" {