gitea-tea/vendor/github.com/charmbracelet/glamour/ansi/link.go

79 lines
1.5 KiB
Go

package ansi
import (
"io"
"net/url"
)
// A LinkElement is used to render hyperlinks.
type LinkElement struct {
Text string
BaseURL string
URL string
Child ElementRenderer // FIXME
}
func (e *LinkElement) Render(w io.Writer, ctx RenderContext) error {
var textRendered bool
if len(e.Text) > 0 && e.Text != e.URL {
textRendered = true
el := &BaseElement{
Token: e.Text,
Style: ctx.options.Styles.LinkText,
}
err := el.Render(w, ctx)
if err != nil {
return err
}
}
/*
if node.LastChild != nil {
if node.LastChild.Type == bf.Image {
el := tr.NewElement(node.LastChild)
err := el.Renderer.Render(w, node.LastChild, tr)
if err != nil {
return err
}
}
if len(node.LastChild.Literal) > 0 &&
string(node.LastChild.Literal) != string(node.LinkData.Destination) {
textRendered = true
el := &BaseElement{
Token: string(node.LastChild.Literal),
Style: ctx.style[LinkText],
}
err := el.Render(w, node.LastChild, tr)
if err != nil {
return err
}
}
}
*/
u, err := url.Parse(e.URL)
if err == nil &&
"#"+u.Fragment != e.URL { // if the URL only consists of an anchor, ignore it
pre := " "
style := ctx.options.Styles.Link
if !textRendered {
pre = ""
style.BlockPrefix = ""
style.BlockSuffix = ""
}
el := &BaseElement{
Token: resolveURL(e.BaseURL, e.URL),
Prefix: pre,
Style: style,
}
err := el.Render(w, ctx)
if err != nil {
return err
}
}
return nil
}