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Code Issues Projects Releases Wiki Activity

update renderAutoLink

This commit is contained in:
aichy126 2023-02-07 16:46:52 +08:00
parent 964e6bd2d4
commit 4f8771cdff
1 changed files with 28 additions and 0 deletions
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28
pkg/converter/markdown.go
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@ -57,6 +57,8 @@ func (r *DangerousHTMLRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegis
reg.Register(ast.KindHTMLBlock, r.renderHTMLBlock)
reg.Register(ast.KindRawHTML, r.renderRawHTML)
reg.Register(ast.KindLink, r.renderLink)
reg.Register(ast.KindAutoLink, r.renderAutoLink)
}
func (r *DangerousHTMLRenderer) renderRawHTML(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
@ -90,6 +92,7 @@ func (r *DangerousHTMLRenderer) renderHTMLBlock(w util.BufWriter, source []byte,
}
func (r *DangerousHTMLRenderer) renderLink(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
n := node.(*ast.Link)
if entering && r.renderLinkIsUrl(string(n.Destination)) {
_, _ = w.WriteString("<a href=\"")
@ -112,6 +115,31 @@ func (r *DangerousHTMLRenderer) renderLink(w util.BufWriter, source []byte, node
return ast.WalkContinue, nil
}
func (r *DangerousHTMLRenderer) renderAutoLink(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
n := node.(*ast.AutoLink)
if !entering || !r.renderLinkIsUrl(string(n.URL(source))) {
return ast.WalkContinue, nil
}
_, _ = w.WriteString(`<a href="`)
url := n.URL(source)
label := n.Label(source)
if n.AutoLinkType == ast.AutoLinkEmail && !bytes.HasPrefix(bytes.ToLower(url), []byte("mailto:")) {
_, _ = w.WriteString("mailto:")
}
_, _ = w.Write(util.EscapeHTML(util.URLEscape(url, false)))
if n.Attributes() != nil {
_ = w.WriteByte('"')
html.RenderAttributes(w, n, html.LinkAttributeFilter)
_ = w.WriteByte('>')
} else {
_, _ = w.WriteString(`">`)
}
_, _ = w.Write(util.EscapeHTML(label))
_, _ = w.WriteString(`</a>`)
return ast.WalkContinue, nil
}
func (r *DangerousHTMLRenderer) renderLinkIsUrl(verifyUrl string) bool {
return govalidator.IsURL(verifyUrl)
}