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Fix wiki preview links

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This commit is contained in:
Ethan Koenig
2017-07-06 12:05:35 -04:00
parent a52cd59727
commit b1d7348a20
3 changed files with 43 additions and 40 deletions
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40
modules/markdown/markdown.go
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@ -19,6 +19,7 @@ import (
"golang.org/x/net/html"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
@ -213,36 +214,17 @@ func cutoutVerbosePrefix(prefix string) string {
}
// URLJoin joins url components, like path.Join, but preserving contents
func URLJoin(elem ...string) string {
res := ""
last := len(elem) - 1
for i, item := range elem {
res += item
if i != last && !strings.HasSuffix(res, "/") {
res += "/"
}
func URLJoin(base string, elems ...string) string {
u, err := url.Parse(base)
if err != nil {
log.Error(4, "URLJoin: Invalid base URL %s", base)
return ""
}
cwdIndex := strings.Index(res, "/./")
for cwdIndex != -1 {
res = strings.Replace(res, "/./", "/", 1)
cwdIndex = strings.Index(res, "/./")
}
upIndex := strings.Index(res, "/..")
for upIndex != -1 {
res = strings.Replace(res, "/..", "", 1)
prevStart := -1
for i := upIndex - 1; i >= 0; i-- {
if res[i] == '/' {
prevStart = i
break
}
}
if prevStart != -1 {
res = res[:prevStart] + res[upIndex:]
}
upIndex = strings.Index(res, "/..")
}
return res
joinArgs := make([]string, 0, len(elems)+1)
joinArgs = append(joinArgs, u.Path)
joinArgs = append(joinArgs, elems...)
u.Path = path.Join(joinArgs...)
return u.String()
}
// RenderIssueIndexPattern renders issue indexes to corresponding links.