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fix media description render for orgmode (#26895)

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- In org mode you can specify an description for media via the following
syntax `[[description][media link]]`. The description is then used as
title or alt.
- This patch fixes the rendering of the description by seperating the
description and non-description cases and using `org.String()`.
- Added unit tests.
- Inspired by
6eb20dbda9/org/html_writer.go (L406-L427)
- Resolves https://codeberg.org/Codeberg/Community/issues/848

(cherry picked from commit 8b8aab8311)

Co-authored-by: Gusted <postmaster@gusted.xyz>
This commit is contained in:
Earl Warren 2023-09-13 07:44:59 +02:00 • committed by GitHub
parent 63b53af933
commit 79afd280e1
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2 changed files with 34 additions and 9 deletions
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29
modules/markup/orgmode/orgmode.go
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@ -153,18 +153,31 @@ func (r *Writer) WriteRegularLink(l org.RegularLink) {
link = []byte(util.URLJoin(r.URLPrefix, lnk))
}
description := string(link)
if l.Description != nil {
description = r.WriteNodesAsString(l.Description...)
}
// Inspired by https://github.com/niklasfasching/go-org/blob/6eb20dbda93cb88c3503f7508dc78cbbc639378f/org/html_writer.go#L406-L427
switch l.Kind() {
case "image":
imageSrc := getMediaURL(link)
fmt.Fprintf(r, `<img src="%s" alt="%s" title="%s" />`, imageSrc, description, description)
if l.Description == nil {
imageSrc := getMediaURL(link)
fmt.Fprintf(r, `<img src="%s" alt="%s" title="%s" />`, imageSrc, link, link)
} else {
description := strings.TrimPrefix(org.String(l.Description...), "file:")
imageSrc := getMediaURL([]byte(description))
fmt.Fprintf(r, `<a href="%s"><img src="%s" alt="%s" /></a>`, link, imageSrc, imageSrc)
}
case "video":
videoSrc := getMediaURL(link)
fmt.Fprintf(r, `<video src="%s" title="%s">%s</video>`, videoSrc, description, description)
if l.Description == nil {
imageSrc := getMediaURL(link)
fmt.Fprintf(r, `<video src="%s" title="%s">%s</video>`, imageSrc, link, link)
} else {
description := strings.TrimPrefix(org.String(l.Description...), "file:")
videoSrc := getMediaURL([]byte(description))
fmt.Fprintf(r, `<a href="%s"><video src="%s" title="%s"></video></a>`, link, videoSrc, videoSrc)
}
default:
description := string(link)
if l.Description != nil {
description = r.WriteNodesAsString(l.Description...)
}
fmt.Fprintf(r, `<a href="%s" title="%s">%s</a>`, link, description, description)
}
}