Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Improve issue references in markdown #471

Merged
merged 4 commits into from
Dec 26, 2016
Merged

Improve issue references in markdown #471

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
2c46280
Improve issue references in markdown. (#3436)
lstahlman Dec 23, 2016
e59cb4a
Fix build
strk Dec 24, 2016
845891d
Fix lint
strk Dec 24, 2016
05b3f4c
Fix comment typo
strk Dec 24, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
35 changes: 34 additions & 1 deletion modules/markdown/markdown.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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
}
}
Expand Down Expand Up @@ -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 {
Expand All @@ -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
}
Expand Down