// https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-an-arbitrary-markdown-document
func Markdown(ctx *context.APIContext, form api.MarkdownOption) {
if ctx.HasApiError() {
ctx.Error(422, "", ctx.GetErrMsg())
return
}
if len(form.Text) == 0 {
ctx.Write([]byte(""))
return
}
switch form.Mode {
case "gfm":
ctx.Write(markdown.Render([]byte(form.Text), form.Context, nil))
default:
ctx.Write(markdown.RenderRaw([]byte(form.Text), ""))
}
}
func renderDirectory(ctx *context.Context, treeLink string) {
tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
if err != nil {
ctx.NotFoundOrServerError("Repo.Commit.SubTree", git.IsErrNotExist, err)
return
}
entries, err := tree.ListEntries()
if err != nil {
ctx.Handle(500, "ListEntries", err)
return
}
entries.Sort()
ctx.Data["Files"], err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath)
if err != nil {
ctx.Handle(500, "GetCommitsInfo", err)
return
}
var readmeFile *git.Blob
for _, entry := range entries {
if entry.IsDir() || !markdown.IsReadmeFile(entry.Name()) {
continue
}
// TODO: collect all possible README files and show with priority.
readmeFile = entry.Blob()
break
}
if readmeFile != nil {
ctx.Data["RawFileLink"] = ""
ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
dataRc, err := readmeFile.Data()
if err != nil {
ctx.Handle(500, "Data", err)
return
}
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
ctx.Data["FileIsText"] = isTextFile
ctx.Data["FileName"] = readmeFile.Name()
// FIXME: what happens when README file is an image?
if isTextFile {
d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
switch {
case markdown.IsMarkdownFile(readmeFile.Name()):
ctx.Data["IsMarkdown"] = true
buf = markdown.Render(buf, treeLink, ctx.Repo.Repository.ComposeMetas())
default:
// FIXME This is the only way to show non-markdown files
// instead of a broken "View Raw" link
ctx.Data["IsMarkdown"] = true
buf = bytes.Replace(buf, []byte("\n"), []byte(`<br>`), -1)
}
ctx.Data["FileContent"] = string(buf)
}
}
// Show latest commit info of repository in table header,
// or of directory if not in root directory.
latestCommit := ctx.Repo.Commit
if len(ctx.Repo.TreePath) > 0 {
latestCommit, err = ctx.Repo.Commit.GetCommitByPath(ctx.Repo.TreePath)
if err != nil {
ctx.Handle(500, "GetCommitByPath", err)
return
}
}
ctx.Data["LatestCommit"] = latestCommit
ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)
// Check permission to add or upload new file.
if ctx.Repo.IsWriter() && ctx.Repo.IsViewBranch {
ctx.Data["CanAddFile"] = true
ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled
}
}
func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink string) {
ctx.Data["IsViewFile"] = true
blob := entry.Blob()
dataRc, err := blob.Data()
if err != nil {
ctx.Handle(500, "Data", err)
return
}
ctx.Data["FileSize"] = blob.Size()
ctx.Data["FileName"] = blob.Name()
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
// Assume file is not editable first.
if !isTextFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
}
switch {
case isTextFile:
if blob.Size() >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
isMarkdown := markdown.IsMarkdownFile(blob.Name())
ctx.Data["IsMarkdown"] = isMarkdown
readmeExist := isMarkdown || markdown.IsReadmeFile(blob.Name())
ctx.Data["ReadmeExist"] = readmeExist
if readmeExist && isMarkdown {
ctx.Data["FileContent"] = string(markdown.Render(buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeMetas()))
} else {
// Building code view blocks with line number on server side.
var fileContent string
if err, content := template.ToUTF8WithErr(buf); err != nil {
if err != nil {
log.Error(4, "ToUTF8WithErr: %s", err)
}
fileContent = string(buf)
} else {
fileContent = content
}
var output bytes.Buffer
lines := strings.Split(fileContent, "\n")
for index, line := range lines {
output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, gotemplate.HTMLEscapeString(line)) + "\n")
}
ctx.Data["FileContent"] = gotemplate.HTML(output.String())
output.Reset()
for i := 0; i < len(lines); i++ {
output.WriteString(fmt.Sprintf(`<span id="L%d">%d</span>`, i+1, i+1))
}
ctx.Data["LineNums"] = gotemplate.HTML(output.String())
}
if ctx.Repo.CanEnableEditor() {
ctx.Data["CanEditFile"] = true
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.edit_this_file")
} else if !ctx.Repo.IsViewBranch {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.IsWriter() {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
}
case base.IsPDFFile(buf):
ctx.Data["IsPDFFile"] = true
case base.IsImageFile(buf):
ctx.Data["IsImageFile"] = true
}
if ctx.Repo.CanEnableEditor() {
ctx.Data["CanDeleteFile"] = true
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.delete_this_file")
} else if !ctx.Repo.IsViewBranch {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.IsWriter() {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
}
}
func renderWikiPage(ctx *context.Context, isViewPage bool) (*git.Repository, string) {
wikiRepo, err := git.OpenRepository(ctx.Repo.Repository.WikiPath())
if err != nil {
ctx.Handle(500, "OpenRepository", err)
return nil, ""
}
commit, err := wikiRepo.GetBranchCommit("master")
if err != nil {
ctx.Handle(500, "GetBranchCommit", err)
return nil, ""
}
// Get page list.
if isViewPage {
entries, err := commit.ListEntries()
if err != nil {
ctx.Handle(500, "ListEntries", err)
return nil, ""
}
pages := make([]PageMeta, 0, len(entries))
for i := range entries {
if entries[i].Type == git.OBJECT_BLOB && strings.HasSuffix(entries[i].Name(), ".md") {
name := strings.TrimSuffix(entries[i].Name(), ".md")
pages = append(pages, PageMeta{
Name: name,
URL: models.ToWikiPageURL(name),
})
}
}
ctx.Data["Pages"] = pages
}
pageURL := ctx.Params(":page")
if len(pageURL) == 0 {
pageURL = "Home"
}
ctx.Data["PageURL"] = pageURL
pageName := models.ToWikiPageName(pageURL)
ctx.Data["old_title"] = pageName
ctx.Data["Title"] = pageName
ctx.Data["title"] = pageName
ctx.Data["RequireHighlightJS"] = true
blob, err := commit.GetBlobByPath(pageName + ".md")
if err != nil {
if git.IsErrNotExist(err) {
ctx.Redirect(ctx.Repo.RepoLink + "/wiki/_pages")
} else {
ctx.Handle(500, "GetBlobByPath", err)
}
return nil, ""
}
r, err := blob.Data()
if err != nil {
ctx.Handle(500, "Data", err)
return nil, ""
}
data, err := ioutil.ReadAll(r)
if err != nil {
ctx.Handle(500, "ReadAll", err)
return nil, ""
}
if isViewPage {
ctx.Data["content"] = string(markdown.Render(data, ctx.Repo.RepoLink, ctx.Repo.Repository.ComposeMetas()))
} else {
ctx.Data["content"] = string(data)
}
return wikiRepo, pageName
}