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	resolve relative path in markdown file
This commit is contained in:
		| @@ -5,35 +5,78 @@ | ||||
| package base | ||||
|  | ||||
| import ( | ||||
| 	"github.com/slene/blackfriday" | ||||
| 	"bytes" | ||||
| 	"path" | ||||
|  | ||||
| 	"github.com/gogits/gfm" | ||||
| ) | ||||
|  | ||||
| func RenderMarkdown(rawBytes []byte) []byte { | ||||
| func isletter(c byte) bool { | ||||
| 	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') | ||||
| } | ||||
|  | ||||
| func isalnum(c byte) bool { | ||||
| 	return (c >= '0' && c <= '9') || isletter(c) | ||||
| } | ||||
|  | ||||
| var validLinks = [][]byte{[]byte("http://"), []byte("https://"), []byte("ftp://"), []byte("mailto://")} | ||||
|  | ||||
| func isLink(link []byte) bool { | ||||
| 	for _, prefix := range validLinks { | ||||
| 		if len(link) > len(prefix) && bytes.Equal(bytes.ToLower(link[:len(prefix)]), prefix) && isalnum(link[len(prefix)]) { | ||||
| 			return true | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
| 	return false | ||||
| } | ||||
|  | ||||
| type CustomRender struct { | ||||
| 	gfm.Renderer | ||||
| 	urlPrefix string | ||||
| } | ||||
|  | ||||
| func (options *CustomRender) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) { | ||||
| 	if len(link) > 0 && !isLink(link) { | ||||
| 		if link[0] == '#' { | ||||
| 			link = append([]byte(options.urlPrefix), link...) | ||||
| 		} else { | ||||
| 			link = []byte(path.Join(options.urlPrefix, string(link))) | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
| 	options.Renderer.Link(out, link, title, content) | ||||
| } | ||||
|  | ||||
| func RenderMarkdown(rawBytes []byte, urlPrefix string) []byte { | ||||
| 	htmlFlags := 0 | ||||
| 	htmlFlags |= blackfriday.HTML_USE_XHTML | ||||
| 	// htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS | ||||
| 	// htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS | ||||
| 	// htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES | ||||
| 	htmlFlags |= blackfriday.HTML_SKIP_HTML | ||||
| 	htmlFlags |= blackfriday.HTML_SKIP_STYLE | ||||
| 	htmlFlags |= blackfriday.HTML_SKIP_SCRIPT | ||||
| 	htmlFlags |= blackfriday.HTML_GITHUB_BLOCKCODE | ||||
| 	htmlFlags |= blackfriday.HTML_OMIT_CONTENTS | ||||
| 	htmlFlags |= blackfriday.HTML_COMPLETE_PAGE | ||||
| 	renderer := blackfriday.HtmlRenderer(htmlFlags, "", "") | ||||
| 	htmlFlags |= gfm.HTML_USE_XHTML | ||||
| 	// htmlFlags |= gfm.HTML_USE_SMARTYPANTS | ||||
| 	// htmlFlags |= gfm.HTML_SMARTYPANTS_FRACTIONS | ||||
| 	// htmlFlags |= gfm.HTML_SMARTYPANTS_LATEX_DASHES | ||||
| 	htmlFlags |= gfm.HTML_SKIP_HTML | ||||
| 	htmlFlags |= gfm.HTML_SKIP_STYLE | ||||
| 	htmlFlags |= gfm.HTML_SKIP_SCRIPT | ||||
| 	htmlFlags |= gfm.HTML_GITHUB_BLOCKCODE | ||||
| 	htmlFlags |= gfm.HTML_OMIT_CONTENTS | ||||
| 	htmlFlags |= gfm.HTML_COMPLETE_PAGE | ||||
| 	renderer := &CustomRender{ | ||||
| 		Renderer:  gfm.HtmlRenderer(htmlFlags, "", ""), | ||||
| 		urlPrefix: urlPrefix, | ||||
| 	} | ||||
|  | ||||
| 	// set up the parser | ||||
| 	extensions := 0 | ||||
| 	extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS | ||||
| 	extensions |= blackfriday.EXTENSION_TABLES | ||||
| 	extensions |= blackfriday.EXTENSION_FENCED_CODE | ||||
| 	extensions |= blackfriday.EXTENSION_AUTOLINK | ||||
| 	extensions |= blackfriday.EXTENSION_STRIKETHROUGH | ||||
| 	extensions |= blackfriday.EXTENSION_HARD_LINE_BREAK | ||||
| 	extensions |= blackfriday.EXTENSION_SPACE_HEADERS | ||||
| 	extensions |= blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK | ||||
| 	extensions |= gfm.EXTENSION_NO_INTRA_EMPHASIS | ||||
| 	extensions |= gfm.EXTENSION_TABLES | ||||
| 	extensions |= gfm.EXTENSION_FENCED_CODE | ||||
| 	extensions |= gfm.EXTENSION_AUTOLINK | ||||
| 	extensions |= gfm.EXTENSION_STRIKETHROUGH | ||||
| 	extensions |= gfm.EXTENSION_HARD_LINE_BREAK | ||||
| 	extensions |= gfm.EXTENSION_SPACE_HEADERS | ||||
| 	extensions |= gfm.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK | ||||
|  | ||||
| 	body := blackfriday.Markdown(rawBytes, renderer, extensions) | ||||
| 	body := gfm.Markdown(rawBytes, renderer, extensions) | ||||
|  | ||||
| 	return body | ||||
| } | ||||
|   | ||||
| @@ -104,7 +104,11 @@ func Single(ctx *middleware.Context, params martini.Params) { | ||||
| 		} else if blob, err := readmeFile.LookupBlob(); err != nil { | ||||
| 			ctx.Data["FileIsLarge"] = true | ||||
| 		} else { | ||||
| 			ctx.Data["ReadmeContent"] = string(base.RenderMarkdown(blob.Contents())) | ||||
| 			// current repo branch link | ||||
| 			urlPrefix := "http://" + base.Domain + "/" + ctx.Repo.Owner.LowerName + "/" + | ||||
| 				ctx.Repo.Repository.Name + "/blob/" + params["branchname"] | ||||
|  | ||||
| 			ctx.Data["ReadmeContent"] = string(base.RenderMarkdown(blob.Contents(), urlPrefix)) | ||||
| 		} | ||||
| 	} | ||||
|  | ||||
|   | ||||
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