func fixRelativeLinks(user, repo, doc, ref, body string) (string, error) {
hostname := getenv("HOSTNAME", "viewdocs.io")
repoAndRef := repo
if ref != "master" {
repoAndRef += "~" + ref
}
n, err := html.Parse(strings.NewReader(string(body)))
if err != nil {
return "", err
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
for i, a := range n.Attr {
if a.Key == "href" {
hrefValue := strings.TrimPrefix(a.Val, "http://"+user+"."+hostname+"")
if strings.Index(hrefValue, "/"+repo+"/") == 0 {
n.Attr[i].Val = "/" + repoAndRef + "/" + strings.TrimPrefix(hrefValue, "/"+repo+"/")
continue
}
fs := strings.Index(hrefValue, "/")
fc := strings.Index(hrefValue, ":")
fh := strings.Index(hrefValue, "#")
if fs == 0 || fh == 0 ||
(fc >= 0 && fc < fs) ||
(fh >= 0 && fh < fs) {
continue
}
n.Attr[i].Val = "/" + repoAndRef + "/" + hrefValue
}
}
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(n)
b := new(bytes.Buffer)
if err := html.Render(b, n); err != nil {
return "", err
}
return b.String(), nil
}
func fixRelativeLinks(doc, repo, ref, body string) (string, error) {
repoAndRef := repo
if ref != "master" {
repoAndRef += "~" + ref
}
n, err := html.Parse(strings.NewReader(string(body)))
if err != nil {
return "", err
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
for i, a := range n.Attr {
if a.Key == "href" {
fs := strings.Index(a.Val, "/")
fc := strings.Index(a.Val, ":")
fh := strings.Index(a.Val, "#")
if fs == 0 || fh == 0 ||
(fc >= 0 && fc < fs) ||
(fh >= 0 && fh < fs) {
continue
}
n.Attr[i].Val = "/" + repoAndRef + "/" + a.Val
}
}
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(n)
b := new(bytes.Buffer)
if err := html.Render(b, n); err != nil {
return "", err
}
return b.String(), nil
}