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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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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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options.Renderer.Link(out, link, title, content) |
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r.Renderer.Link(out, link, title, content) |
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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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// 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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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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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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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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// 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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