Missing changes

wikilinks.go

@@ -115,6 +115,23 @@ func wikiTargetHref(target string) string {
 	return b.String()
 }
 
+// wikiFileHref converts a wiki target to a URL href for the raw file: each
+// segment is percent-encoded and, unlike wikiTargetHref, no trailing slash is
+// appended. Used for image-embed click-through so the href points straight at
+// the file (companion click-interception skips anything ending in "/").
+func wikiFileHref(target string) string {
+	target = normalizeWikiTarget(target)
+	if target == "/" {
+		return "/"
+	}
+	var b strings.Builder
+	for _, seg := range strings.Split(strings.TrimPrefix(target, "/"), "/") {
+		b.WriteByte('/')
+		b.WriteString(url.PathEscape(seg))
+	}
+	return b.String()
+}
+
 // wikiTargetExists reports whether the on-disk path backing the target exists
 // under root. Any existing path — file or folder — counts as resolved; only a
 // missing path is treated as broken.
@@ -148,13 +165,20 @@ func (r *wikiLinkRenderer) render(w util.BufWriter, source []byte, node ast.Node
 		return ast.WalkContinue, nil
 	}
 	n := node.(*wikiLinkNode)
-	target := string(n.Target)
+	writeWikiLink(w, r.root, string(n.Target), string(n.Display))
+	return ast.WalkContinue, nil
+}
+
+// writeWikiLink renders a wiki-link anchor for target with an optional display
+// override. An empty display falls back to the target's last segment; a target
+// that does not resolve on disk gets the `broken` class. Shared by the wiki-link
+// renderer and the embed renderer's link fallback.
+func writeWikiLink(w util.BufWriter, root, target, display string) {
 	href := wikiTargetHref(target)
-	display := string(n.Display)
 	if display == "" {
 		display = wikiDefaultDisplay(target)
 	}
-	broken := !wikiTargetExists(r.root, target)
+	broken := !wikiTargetExists(root, target)
 
 	w.WriteString(`<a href="`)
 	w.WriteString(href)
@@ -165,7 +189,6 @@ func (r *wikiLinkRenderer) render(w util.BufWriter, source []byte, node ast.Node
 	w.WriteString(`>`)
 	w.Write(util.EscapeHTML([]byte(display)))
 	w.WriteString(`</a>`)
-	return ast.WalkContinue, nil
 }
 
 type wikiLinkExt struct{ root string }