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Code Issues Releases Wiki Activity

Improve issue references in markdown (#471)

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* Improve issue references in markdown. (#3436)

* Fix build

* Fix lint

* Fix comment typo
This commit is contained in:
Sandro Santilli 2016-12-26 11:52:04 +01:00 committed by Lunny Xiao
parent 2342df183b
commit 71634452e1
1 changed files with 34 additions and 1 deletions
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35
modules/markdown/markdown.go
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@ -91,6 +91,9 @@ var (
IssueNumericPattern = regexp.MustCompile(`( |^|\()#[0-9]+\b`)
// IssueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
IssueAlphanumericPattern = regexp.MustCompile(`( |^|\()[A-Z]{1,10}-[1-9][0-9]*\b`)
// CrossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
CrossReferenceIssueNumericPattern = regexp.MustCompile(`( |^)[0-9a-zA-Z]+/[0-9a-zA-Z]+#[0-9]+\b`)
// Sha1CurrentPattern matches string that represents a commit SHA, e.g. d8a994ef243349f321568f9e36d5c3f444b99cae
// FIXME: this pattern matches pure numbers as well, right now we do a hack to check in RenderSha1CurrentPattern
@ -156,7 +159,19 @@ func (r *Renderer) AutoLink(out *bytes.Buffer, link []byte, kind int) {
if j == -1 {
j = len(m)
}
out.WriteString(fmt.Sprintf(`<a href="%s">#%s</a>`, m, base.ShortSha(string(m[i+7:j]))))
issue := string(m[i+7 : j])
fullRepoURL := setting.AppURL + strings.TrimPrefix(r.urlPrefix, "/")
var link string
if strings.HasPrefix(string(m), fullRepoURL) {
// Use a short issue reference if the URL refers to this repository
link = fmt.Sprintf(`<a href="%s">#%s</a>`, m, issue)
} else {
// Use a cross-repository issue reference if the URL refers to a different repository
repo := string(m[len(setting.AppURL) : i-1])
link = fmt.Sprintf(`<a href="%s">%s#%s</a>`, m, repo, issue)
}
out.WriteString(link)
return
}
}
@ -263,6 +278,23 @@ func RenderIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string
return rawBytes
}
// RenderCrossReferenceIssueIndexPattern renders issue indexes from other repositories to corresponding links.
func RenderCrossReferenceIssueIndexPattern(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
ms := CrossReferenceIssueNumericPattern.FindAll(rawBytes, -1)
for _, m := range ms {
if m[0] == ' ' || m[0] == '(' {
m = m[1:] // ignore leading space or opening parentheses
}
repo := string(bytes.Split(m, []byte("#"))[0])
issue := string(bytes.Split(m, []byte("#"))[1])
link := fmt.Sprintf(`<a href="%s%s/issues/%s">%s</a>`, setting.AppURL, repo, issue, m)
rawBytes = bytes.Replace(rawBytes, m, []byte(link), 1)
}
return rawBytes
}
// RenderSha1CurrentPattern renders SHA1 strings to corresponding links that assumes in the same repository.
func RenderSha1CurrentPattern(rawBytes []byte, urlPrefix string) []byte {
return []byte(Sha1CurrentPattern.ReplaceAllStringFunc(string(rawBytes[:]), func(m string) string {
@ -283,6 +315,7 @@ func RenderSpecialLink(rawBytes []byte, urlPrefix string, metas map[string]strin
}
rawBytes = RenderIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas)
rawBytes = RenderSha1CurrentPattern(rawBytes, urlPrefix)
return rawBytes
}