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resolve relative path in markdown file

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slene
2014-03-17 23:22:27 +08:00
parent 45a6444b1e
commit 4249cec68c
2 changed files with 70 additions and 23 deletions
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87
modules/base/markdown.go
View File

@@ -5,35 +5,78 @@
package base package base
import ( 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 := 0
htmlFlags |= blackfriday.HTML_USE_XHTML htmlFlags |= gfm.HTML_USE_XHTML
// htmlFlags |= blackfriday.HTML_USE_SMARTYPANTS // htmlFlags |= gfm.HTML_USE_SMARTYPANTS
// htmlFlags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS // htmlFlags |= gfm.HTML_SMARTYPANTS_FRACTIONS
// htmlFlags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES // htmlFlags |= gfm.HTML_SMARTYPANTS_LATEX_DASHES
htmlFlags |= blackfriday.HTML_SKIP_HTML htmlFlags |= gfm.HTML_SKIP_HTML
htmlFlags |= blackfriday.HTML_SKIP_STYLE htmlFlags |= gfm.HTML_SKIP_STYLE
htmlFlags |= blackfriday.HTML_SKIP_SCRIPT htmlFlags |= gfm.HTML_SKIP_SCRIPT
htmlFlags |= blackfriday.HTML_GITHUB_BLOCKCODE htmlFlags |= gfm.HTML_GITHUB_BLOCKCODE
htmlFlags |= blackfriday.HTML_OMIT_CONTENTS htmlFlags |= gfm.HTML_OMIT_CONTENTS
htmlFlags |= blackfriday.HTML_COMPLETE_PAGE htmlFlags |= gfm.HTML_COMPLETE_PAGE
renderer := blackfriday.HtmlRenderer(htmlFlags, "", "") renderer := &CustomRender{
Renderer: gfm.HtmlRenderer(htmlFlags, "", ""),
urlPrefix: urlPrefix,
}
// set up the parser // set up the parser
extensions := 0 extensions := 0
extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS extensions |= gfm.EXTENSION_NO_INTRA_EMPHASIS
extensions |= blackfriday.EXTENSION_TABLES extensions |= gfm.EXTENSION_TABLES
extensions |= blackfriday.EXTENSION_FENCED_CODE extensions |= gfm.EXTENSION_FENCED_CODE
extensions |= blackfriday.EXTENSION_AUTOLINK extensions |= gfm.EXTENSION_AUTOLINK
extensions |= blackfriday.EXTENSION_STRIKETHROUGH extensions |= gfm.EXTENSION_STRIKETHROUGH
extensions |= blackfriday.EXTENSION_HARD_LINE_BREAK extensions |= gfm.EXTENSION_HARD_LINE_BREAK
extensions |= blackfriday.EXTENSION_SPACE_HEADERS extensions |= gfm.EXTENSION_SPACE_HEADERS
extensions |= blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK extensions |= gfm.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK
body := blackfriday.Markdown(rawBytes, renderer, extensions) body := gfm.Markdown(rawBytes, renderer, extensions)
return body return body
} }

6
routers/repo/single.go
View File

@@ -104,7 +104,11 @@ func Single(ctx *middleware.Context, params martini.Params) {
} else if blob, err := readmeFile.LookupBlob(); err != nil { } else if blob, err := readmeFile.LookupBlob(); err != nil {
ctx.Data["FileIsLarge"] = true ctx.Data["FileIsLarge"] = true
} else { } 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))
} }
} }