ficd/zona-go
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added custom image renderer with image-container div

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This commit is contained in:
Daniel Fichtinger 2024-12-30 23:31:43 -05:00
parent fb67ef046a
commit 0c1c842bcd
1 changed files with 19 additions and 0 deletions
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19
internal/builder/convert.go
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@ -53,6 +53,20 @@ func processLink(p string) string {
} }
} }
func renderImage(w io.Writer, node *ast.Image, entering bool) {
// we add image-container div tag
// here before the opening img tag
if entering {
fmt.Fprintf(w, "<div class=\"image-container\">\n")
fmt.Fprintf(w, `<img src="%s" title="%s">`, node.Destination, node.Title)
} else {
// if it's the closing img tag
// we close the div tag *after*
fmt.Fprintf(w, `</div>`)
fmt.Println("Image node not entering??")
}
}
func renderLink(w io.Writer, l *ast.Link, entering bool) { func renderLink(w io.Writer, l *ast.Link, entering bool) {
if entering { if entering {
destPath := processLink(string(l.Destination)) destPath := processLink(string(l.Destination))
@ -66,10 +80,15 @@ func renderLink(w io.Writer, l *ast.Link, entering bool) {
} }
} }
// htmlRenderHook hooks the HTML renderer and overrides the rendering of certain nodes.
func htmlRenderHook(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) { func htmlRenderHook(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
if link, ok := node.(*ast.Link); ok { if link, ok := node.(*ast.Link); ok {
renderLink(w, link, entering) renderLink(w, link, entering)
return ast.GoToNext, true return ast.GoToNext, true
} else if image, ok := node.(*ast.Image); ok {
// TODO: should do something more interesting with the alt text -- like put it in a <small> tag?
renderImage(w, image, entering)
return ast.GoToNext, true
} }
return ast.GoToNext, false return ast.GoToNext, false
} }