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@@ -83,21 +83,63 @@ func IsReadmeFile(name string) bool {
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return false
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}
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+var (
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+ MentionPattern = regexp.MustCompile(`(\s|^)@[0-9a-zA-Z_\.]+`)
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+ commitPattern = regexp.MustCompile(`(\s|^)https?.*commit/[0-9a-zA-Z]+(#+[0-9a-zA-Z-]*)?`)
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+ issueFullPattern = regexp.MustCompile(`(\s|^)https?.*issues/[0-9]+(#+[0-9a-zA-Z-]*)?`)
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+ issueIndexPattern = regexp.MustCompile(`( |^|\()#[0-9]+\b`)
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+ sha1CurrentPattern = regexp.MustCompile(`\b[0-9a-f]{40}\b`)
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+)
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+
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type CustomRender struct {
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blackfriday.Renderer
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urlPrefix string
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}
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-func (options *CustomRender) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) {
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+func (r *CustomRender) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) {
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if len(link) > 0 && !isLink(link) {
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if link[0] == '#' {
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// link = append([]byte(options.urlPrefix), link...)
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} else {
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- link = []byte(path.Join(options.urlPrefix, string(link)))
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+ link = []byte(path.Join(r.urlPrefix, string(link)))
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+ }
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+ }
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+
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+ r.Renderer.Link(out, link, title, content)
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+}
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+
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+func (r *CustomRender) AutoLink(out *bytes.Buffer, link []byte, kind int) {
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+ if kind != 1 {
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+ r.Renderer.AutoLink(out, link, kind)
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+ return
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+ }
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+
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+ // This method could only possibly serve one link at a time, no need to find all.
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+ m := commitPattern.Find(link)
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+ if m != nil {
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+ m = bytes.TrimSpace(m)
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+ i := strings.Index(string(m), "commit/")
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+ j := strings.Index(string(m), "#")
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+ if j == -1 {
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+ j = len(m)
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+ }
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+ out.WriteString(fmt.Sprintf(` <code><a href="%s">%s</a></code>`, m, ShortSha(string(m[i+7:j]))))
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+ return
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+ }
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+
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+ m = issueFullPattern.Find(link)
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+ if m != nil {
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+ m = bytes.TrimSpace(m)
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+ i := strings.Index(string(m), "issues/")
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+ j := strings.Index(string(m), "#")
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+ if j == -1 {
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+ j = len(m)
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}
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+ out.WriteString(fmt.Sprintf(` <a href="%s">#%s</a>`, m, ShortSha(string(m[i+7:j]))))
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+ return
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}
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- options.Renderer.Link(out, link, title, content)
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+ r.Renderer.AutoLink(out, link, kind)
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}
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var (
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@@ -105,13 +147,13 @@ var (
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svgSuffixWithMark = []byte(".svg?")
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)
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-func (options *CustomRender) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) {
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- prefix := strings.Replace(options.urlPrefix, "/src/", "/raw/", 1)
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+func (r *CustomRender) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) {
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+ prefix := strings.Replace(r.urlPrefix, "/src/", "/raw/", 1)
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if len(link) > 0 {
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if isLink(link) {
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// External link with .svg suffix usually means CI status.
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if bytes.HasSuffix(link, svgSuffix) || bytes.Contains(link, svgSuffixWithMark) {
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- options.Renderer.Image(out, link, title, alt)
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+ r.Renderer.Image(out, link, title, alt)
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return
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}
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} else {
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@@ -125,18 +167,10 @@ func (options *CustomRender) Image(out *bytes.Buffer, link []byte, title []byte,
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out.WriteString(`<a href="`)
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out.Write(link)
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out.WriteString(`">`)
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- options.Renderer.Image(out, link, title, alt)
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+ r.Renderer.Image(out, link, title, alt)
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out.WriteString("</a>")
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}
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-var (
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- MentionPattern = regexp.MustCompile(`(\s|^)@[0-9a-zA-Z_\.]+`)
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- commitPattern = regexp.MustCompile(`(\s|^)https?.*commit/[0-9a-zA-Z]+(#+[0-9a-zA-Z-]*)?`)
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- issueFullPattern = regexp.MustCompile(`(\s|^)https?.*issues/[0-9]+(#+[0-9a-zA-Z-]*)?`)
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- issueIndexPattern = regexp.MustCompile(`( |^|\()#[0-9]+\b`)
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- sha1CurrentPattern = regexp.MustCompile(`\b[0-9a-f]{40}\b`)
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-)
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-
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func cutoutVerbosePrefix(prefix string) string {
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count := 0
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for i := 0; i < len(prefix); i++ {
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@@ -229,33 +263,6 @@ var (
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var noEndTags = []string{"img", "input", "br", "hr"}
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-// PreProcessMarkdown renders full links of commits, issues and pulls to shorter version.
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-func PreProcessMarkdown(rawHTML []byte, urlPrefix string) []byte {
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- ms := commitPattern.FindAll(rawHTML, -1)
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- for _, m := range ms {
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- m = bytes.TrimSpace(m)
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- i := strings.Index(string(m), "commit/")
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- j := strings.Index(string(m), "#")
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- if j == -1 {
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- j = len(m)
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- }
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- rawHTML = bytes.Replace(rawHTML, m, []byte(fmt.Sprintf(
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- ` <code><a href="%s">%s</a></code>`, m, ShortSha(string(m[i+7:j])))), -1)
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- }
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- ms = issueFullPattern.FindAll(rawHTML, -1)
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- for _, m := range ms {
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- m = bytes.TrimSpace(m)
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- i := strings.Index(string(m), "issues/")
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- j := strings.Index(string(m), "#")
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- if j == -1 {
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- j = len(m)
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- }
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- rawHTML = bytes.Replace(rawHTML, m, []byte(fmt.Sprintf(
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- ` <a href="%s">#%s</a>`, m, ShortSha(string(m[i+7:j])))), -1)
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- }
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- return rawHTML
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-}
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-
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// PostProcessMarkdown treats different types of HTML differently,
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// and only renders special links for plain text blocks.
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func PostProcessMarkdown(rawHtml []byte, urlPrefix string, metas map[string]string) []byte {
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@@ -327,8 +334,7 @@ OUTER_LOOP:
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}
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func RenderMarkdown(rawBytes []byte, urlPrefix string, metas map[string]string) []byte {
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- result := PreProcessMarkdown(rawBytes, urlPrefix)
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- result = RenderRawMarkdown(result, urlPrefix)
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+ result := RenderRawMarkdown(rawBytes, urlPrefix)
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result = PostProcessMarkdown(result, urlPrefix, metas)
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result = Sanitizer.SanitizeBytes(result)
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return result
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