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// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package markup
import (
"strconv"
"strings"
"code.gitea.io/gitea/modules/httplib"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/regexplru"
"code.gitea.io/gitea/modules/templates/vars"
"code.gitea.io/gitea/modules/translation"
"code.gitea.io/gitea/modules/util"
"golang.org/x/net/html"
"golang.org/x/net/html/atom"
)
type RenderIssueIconTitleOptions struct {
OwnerName string
RepoName string
LinkHref string
IssueIndex int64
}
func fullIssuePatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.RenderOptions.Metas == nil {
return
}
next := node.NextSibling
for node != nil && node != next {
m := globalVars().issueFullPattern.FindStringSubmatchIndex(node.Data)
if m == nil {
return
}
mDiffView := globalVars().filesChangedFullPattern.FindStringSubmatchIndex(node.Data)
// leave it as it is if the link is from "Files Changed" tab in PR Diff View https://domain/org/repo/pulls/27/files
if mDiffView != nil {
return
}
link := node.Data[m[0]:m[1]]
if !httplib.IsCurrentGiteaSiteURL(ctx, link) {
return
}
text := "#" + node.Data[m[2]:m[3]]
// if m[4] and m[5] is not -1, then link is to a comment
// indicate that in the text by appending (comment)
if m[4] != -1 && m[5] != -1 {
if locale, ok := ctx.Value(translation.ContextKey).(translation.Locale); ok {
text += " " + locale.TrString("repo.from_comment")
} else {
text += " (comment)"
}
}
// extract repo and org name from matched link like
// http://localhost:3000/gituser/myrepo/issues/1
linkParts := strings.Split(link, "/")
matchOrg := linkParts[len(linkParts)-4]
matchRepo := linkParts[len(linkParts)-3]
if matchOrg == ctx.RenderOptions.Metas["user"] && matchRepo == ctx.RenderOptions.Metas["repo"] {
replaceContent(node, m[0], m[1], createLink(ctx, link, text, "ref-issue"))
} else {
text = matchOrg + "/" + matchRepo + text
replaceContent(node, m[0], m[1], createLink(ctx, link, text, "ref-issue"))
}
node = node.NextSibling.NextSibling
}
}
func createIssueLinkContentWithSummary(ctx *RenderContext, linkHref string, ref *references.RenderizableReference) *html.Node {
if DefaultRenderHelperFuncs.RenderRepoIssueIconTitle == nil {
return nil
}
issueIndex, _ := strconv.ParseInt(ref.Issue, 10, 64)
h, err := DefaultRenderHelperFuncs.RenderRepoIssueIconTitle(ctx, RenderIssueIconTitleOptions{
OwnerName: ref.Owner,
RepoName: ref.Name,
LinkHref: linkHref,
IssueIndex: issueIndex,
})
if err != nil {
log.Error("RenderRepoIssueIconTitle failed: %v", err)
return nil
}
if h == "" {
return nil
}
return &html.Node{Type: html.RawNode, Data: string(ctx.RenderInternal.ProtectSafeAttrs(h))}
}
func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.RenderOptions.Metas == nil {
return
}
// crossLinkOnly: do not parse "#123", only parse "owner/repo#123"
// if there is no repo in the context, then the "#123" format can't be parsed
// old logic: crossLinkOnly := ctx.RenderOptions.Metas["mode"] == "document" && !ctx.IsWiki
crossLinkOnly := ctx.RenderOptions.Metas["markupAllowShortIssuePattern"] != "true"
var ref *references.RenderizableReference
next := node.NextSibling
for node != nil && node != next {
_, hasExtTrackFormat := ctx.RenderOptions.Metas["format"]
// Repos with external issue trackers might still need to reference local PRs
// We need to concern with the first one that shows up in the text, whichever it is
isNumericStyle := ctx.RenderOptions.Metas["style"] == "" || ctx.RenderOptions.Metas["style"] == IssueNameStyleNumeric
refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle, crossLinkOnly)
switch ctx.RenderOptions.Metas["style"] {
case "", IssueNameStyleNumeric:
ref = refNumeric
case IssueNameStyleAlphanumeric:
ref = references.FindRenderizableReferenceAlphanumeric(node.Data)
case IssueNameStyleRegexp:
pattern, err := regexplru.GetCompiled(ctx.RenderOptions.Metas["regexp"])
if err != nil {
return
}
ref = references.FindRenderizableReferenceRegexp(node.Data, pattern)
}
// Repos with external issue trackers might still need to reference local PRs
// We need to concern with the first one that shows up in the text, whichever it is
if hasExtTrackFormat && !isNumericStyle && refNumeric != nil {
// If numeric (PR) was found, and it was BEFORE the non-numeric pattern, use that
// Allow a free-pass when non-numeric pattern wasn't found.
if ref == nil || refNumeric.RefLocation.Start < ref.RefLocation.Start {
ref = refNumeric
}
}
if ref == nil {
return
}
var link *html.Node
refText := node.Data[ref.RefLocation.Start:ref.RefLocation.End]
if hasExtTrackFormat && !ref.IsPull {
ctx.RenderOptions.Metas["index"] = ref.Issue
res, err := vars.Expand(ctx.RenderOptions.Metas["format"], ctx.RenderOptions.Metas)
if err != nil {
// here we could just log the error and continue the rendering
log.Error("unable to expand template vars for ref %s, err: %v", ref.Issue, err)
}
link = createLink(ctx, res, refText, "ref-issue ref-external-issue")
} else {
// Path determines the type of link that will be rendered. It's unknown at this point whether
// the linked item is actually a PR or an issue. Luckily it's of no real consequence because
// Gitea will redirect on click as appropriate.
issueOwner := util.Iif(ref.Owner == "", ctx.RenderOptions.Metas["user"], ref.Owner)
issueRepo := util.Iif(ref.Owner == "", ctx.RenderOptions.Metas["repo"], ref.Name)
issuePath := util.Iif(ref.IsPull, "pulls", "issues")
linkHref := ctx.RenderHelper.ResolveLink(util.URLJoin(issueOwner, issueRepo, issuePath, ref.Issue), LinkTypeApp)
// at the moment, only render the issue index in a full line (or simple line) as icon+title
// otherwise it would be too noisy for "take #1 as an example" in a sentence
if node.Parent.DataAtom == atom.Li && ref.RefLocation.Start < 20 && ref.RefLocation.End == len(node.Data) {
link = createIssueLinkContentWithSummary(ctx, linkHref, ref)
}
if link == nil {
link = createLink(ctx, linkHref, refText, "ref-issue")
}
}
if ref.Action == references.XRefActionNone {
replaceContent(node, ref.RefLocation.Start, ref.RefLocation.End, link)
node = node.NextSibling.NextSibling
continue
}
// Decorate action keywords if actionable
var keyword *html.Node
if references.IsXrefActionable(ref, hasExtTrackFormat) {
keyword = createKeyword(ctx, node.Data[ref.ActionLocation.Start:ref.ActionLocation.End])
} else {
keyword = &html.Node{
Type: html.TextNode,
Data: node.Data[ref.ActionLocation.Start:ref.ActionLocation.End],
}
}
spaces := &html.Node{
Type: html.TextNode,
Data: node.Data[ref.ActionLocation.End:ref.RefLocation.Start],
}
replaceContentList(node, ref.ActionLocation.Start, ref.RefLocation.End, []*html.Node{keyword, spaces, link})
node = node.NextSibling.NextSibling.NextSibling.NextSibling
}
}
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