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