Render inline file permalinks
This commit is contained in:
Mai-Lapyst
parent
d1e808f803
commit
1d3240887c
10 changed files with 468 additions and 4 deletions
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@ -10,10 +10,12 @@ import (
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"path"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"sync"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/charset"
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"code.gitea.io/gitea/modules/emoji"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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@ -61,6 +63,9 @@ var (
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validLinksPattern = regexp.MustCompile(`^[a-z][\w-]+://`)
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// filePreviewPattern matches "http://domain/org/repo/src/commit/COMMIT/filepath#L1-L2"
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filePreviewPattern = regexp.MustCompile(`https?://((?:\S+/){3})src/commit/([0-9a-f]{7,64})/(\S+)#(L\d+(?:-L\d+)?)`)
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// While this email regex is definitely not perfect and I'm sure you can come up
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// with edge cases, it is still accepted by the CommonMark specification, as
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// well as the HTML5 spec:
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@ -171,6 +176,7 @@ type processor func(ctx *RenderContext, node *html.Node)
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var defaultProcessors = []processor{
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fullIssuePatternProcessor,
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comparePatternProcessor,
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filePreviewPatternProcessor,
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fullHashPatternProcessor,
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shortLinkProcessor,
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linkProcessor,
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@ -1054,6 +1060,267 @@ func comparePatternProcessor(ctx *RenderContext, node *html.Node) {
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}
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}
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func filePreviewPatternProcessor(ctx *RenderContext, node *html.Node) {
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if ctx.Metas == nil {
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return
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}
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if DefaultProcessorHelper.GetRepoFileContent == nil || DefaultProcessorHelper.GetLocale == nil {
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return
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}
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next := node.NextSibling
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for node != nil && node != next {
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m := filePreviewPattern.FindStringSubmatchIndex(node.Data)
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if m == nil {
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return
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}
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// Ensure that every group (m[0]...m[9]) has a match
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for i := 0; i < 10; i++ {
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if m[i] == -1 {
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return
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}
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}
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urlFull := node.Data[m[0]:m[1]]
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// Ensure that we only use links to local repositories
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if !strings.HasPrefix(urlFull, setting.AppURL+setting.AppSubURL) {
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return
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}
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projPath := node.Data[m[2]:m[3]]
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projPath = strings.TrimSuffix(projPath, "/")
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commitSha := node.Data[m[4]:m[5]]
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filePath := node.Data[m[6]:m[7]]
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hash := node.Data[m[8]:m[9]]
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start := m[0]
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end := m[1]
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// If url ends in '.', it's very likely that it is not part of the
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// actual url but used to finish a sentence.
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if strings.HasSuffix(urlFull, ".") {
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end--
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urlFull = urlFull[:len(urlFull)-1]
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hash = hash[:len(hash)-1]
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}
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projPathSegments := strings.Split(projPath, "/")
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fileContent, err := DefaultProcessorHelper.GetRepoFileContent(
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ctx.Ctx,
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projPathSegments[len(projPathSegments)-2],
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projPathSegments[len(projPathSegments)-1],
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commitSha, filePath,
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)
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if err != nil {
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return
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}
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lineSpecs := strings.Split(hash, "-")
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lineCount := len(fileContent)
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var subTitle string
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var lineOffset int
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if len(lineSpecs) == 1 {
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line, _ := strconv.Atoi(strings.TrimPrefix(lineSpecs[0], "L"))
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if line < 1 || line > lineCount {
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return
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}
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fileContent = fileContent[line-1 : line]
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subTitle = "Line " + strconv.Itoa(line)
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lineOffset = line - 1
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} else {
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startLine, _ := strconv.Atoi(strings.TrimPrefix(lineSpecs[0], "L"))
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endLine, _ := strconv.Atoi(strings.TrimPrefix(lineSpecs[1], "L"))
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if startLine < 1 || endLine < 1 || startLine > lineCount || endLine > lineCount || endLine < startLine {
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return
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}
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fileContent = fileContent[startLine-1 : endLine]
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subTitle = "Lines " + strconv.Itoa(startLine) + " to " + strconv.Itoa(endLine)
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lineOffset = startLine - 1
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}
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table := &html.Node{
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Type: html.ElementNode,
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Data: atom.Table.String(),
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Attr: []html.Attribute{{Key: "class", Val: "file-preview"}},
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}
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tbody := &html.Node{
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Type: html.ElementNode,
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Data: atom.Tbody.String(),
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}
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locale, err := DefaultProcessorHelper.GetLocale(ctx.Ctx)
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if err != nil {
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log.Error("Unable to get locale. Error: %v", err)
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return
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}
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status := &charset.EscapeStatus{}
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statuses := make([]*charset.EscapeStatus, len(fileContent))
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for i, line := range fileContent {
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statuses[i], fileContent[i] = charset.EscapeControlHTML(line, locale, charset.FileviewContext)
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status = status.Or(statuses[i])
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}
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for idx, code := range fileContent {
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tr := &html.Node{
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Type: html.ElementNode,
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Data: atom.Tr.String(),
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}
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lineNum := strconv.Itoa(lineOffset + idx + 1)
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tdLinesnum := &html.Node{
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Type: html.ElementNode,
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Data: atom.Td.String(),
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Attr: []html.Attribute{
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{Key: "id", Val: "L" + lineNum},
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{Key: "class", Val: "lines-num"},
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},
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}
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spanLinesNum := &html.Node{
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Type: html.ElementNode,
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Data: atom.Span.String(),
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Attr: []html.Attribute{
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{Key: "id", Val: "L" + lineNum},
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{Key: "data-line-number", Val: lineNum},
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},
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}
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tdLinesnum.AppendChild(spanLinesNum)
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tr.AppendChild(tdLinesnum)
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if status.Escaped {
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tdLinesEscape := &html.Node{
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Type: html.ElementNode,
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Data: atom.Td.String(),
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Attr: []html.Attribute{
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{Key: "class", Val: "lines-escape"},
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},
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}
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if statuses[idx].Escaped {
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btnTitle := ""
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if statuses[idx].HasInvisible {
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btnTitle += locale.TrString("repo.invisible_runes_line") + " "
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}
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if statuses[idx].HasAmbiguous {
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btnTitle += locale.TrString("repo.ambiguous_runes_line")
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}
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escapeBtn := &html.Node{
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Type: html.ElementNode,
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Data: atom.Button.String(),
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Attr: []html.Attribute{
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{Key: "class", Val: "toggle-escape-button btn interact-bg"},
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{Key: "title", Val: btnTitle},
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},
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}
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tdLinesEscape.AppendChild(escapeBtn)
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}
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tr.AppendChild(tdLinesEscape)
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}
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tdCode := &html.Node{
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Type: html.ElementNode,
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Data: atom.Td.String(),
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Attr: []html.Attribute{
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{Key: "rel", Val: "L" + lineNum},
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{Key: "class", Val: "lines-code chroma"},
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},
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}
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codeInner := &html.Node{
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Type: html.ElementNode,
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Data: atom.Code.String(),
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Attr: []html.Attribute{{Key: "class", Val: "code-inner"}},
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}
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codeText := &html.Node{
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Type: html.RawNode,
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Data: string(code),
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}
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codeInner.AppendChild(codeText)
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tdCode.AppendChild(codeInner)
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tr.AppendChild(tdCode)
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tbody.AppendChild(tr)
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}
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table.AppendChild(tbody)
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twrapper := &html.Node{
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Type: html.ElementNode,
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Data: atom.Div.String(),
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Attr: []html.Attribute{{Key: "class", Val: "ui table"}},
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}
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twrapper.AppendChild(table)
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header := &html.Node{
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Type: html.ElementNode,
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Data: atom.Div.String(),
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Attr: []html.Attribute{{Key: "class", Val: "header"}},
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}
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afilepath := &html.Node{
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Type: html.ElementNode,
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Data: atom.A.String(),
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Attr: []html.Attribute{
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{Key: "href", Val: urlFull},
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{Key: "class", Val: "muted"},
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},
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}
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afilepath.AppendChild(&html.Node{
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Type: html.TextNode,
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Data: filePath,
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})
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header.AppendChild(afilepath)
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psubtitle := &html.Node{
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Type: html.ElementNode,
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Data: atom.Span.String(),
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Attr: []html.Attribute{{Key: "class", Val: "text small grey"}},
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}
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psubtitle.AppendChild(&html.Node{
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Type: html.TextNode,
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Data: subTitle + " in ",
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})
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psubtitle.AppendChild(createLink(urlFull[m[0]:m[5]], commitSha[0:7], "text black"))
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header.AppendChild(psubtitle)
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preview := &html.Node{
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Type: html.ElementNode,
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Data: atom.Div.String(),
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Attr: []html.Attribute{{Key: "class", Val: "file-preview-box"}},
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}
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preview.AppendChild(header)
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preview.AppendChild(twrapper)
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// Specialized version of replaceContent, so the parent paragraph element is not destroyed from our div
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before := node.Data[:start]
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after := node.Data[end:]
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node.Data = before
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nextSibling := node.NextSibling
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node.Parent.InsertBefore(&html.Node{
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Type: html.RawNode,
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Data: "</p>",
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}, nextSibling)
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node.Parent.InsertBefore(preview, nextSibling)
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node.Parent.InsertBefore(&html.Node{
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Type: html.RawNode,
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Data: "<p>" + after,
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}, nextSibling)
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node = node.NextSibling
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}
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}
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// emojiShortCodeProcessor for rendering text like :smile: into emoji
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func emojiShortCodeProcessor(ctx *RenderContext, node *html.Node) {
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start := 0
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