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Custom regexp external issues (#17624)

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* Implement custom regular expression for external issue tracking.

Signed-off-by: Alexander Beyn <malex@fatelectrons.org>

* Fix syntax/style

* Update repo.go

* Set metas['regexp']

* gofmt

* fix some tests

* fix more tests

* refactor frontend

* use LRU cache for regexp

* Update modules/markup/html_internal_test.go

Co-authored-by: Alexander Beyn <malex@fatelectrons.org>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Sandro Santilli 2022-06-10 07:39:53 +02:00 • committed by GitHub
parent 5f618248a9
commit 52c2e82813
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
13 changed files with 206 additions and 26 deletions
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40
modules/markup/html.go
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@ -20,6 +20,7 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup/common"
"code.gitea.io/gitea/modules/references"
"code.gitea.io/gitea/modules/regexplru"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/templates/vars"
"code.gitea.io/gitea/modules/util"
@ -33,6 +34,7 @@ import (
const (
IssueNameStyleNumeric = "numeric"
IssueNameStyleAlphanumeric = "alphanumeric"
IssueNameStyleRegexp = "regexp"
)
var (
@ -815,19 +817,35 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
)
next := node.NextSibling
for node != nil && node != next {
_, exttrack := ctx.Metas["format"]
alphanum := ctx.Metas["style"] == IssueNameStyleAlphanumeric
_, hasExtTrackFormat := ctx.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
found, ref = references.FindRenderizableReferenceNumeric(node.Data, exttrack && alphanum)
if exttrack && alphanum {
if found2, ref2 := references.FindRenderizableReferenceAlphanumeric(node.Data); found2 {
if !found || ref2.RefLocation.Start < ref.RefLocation.Start {
found = true
ref = ref2
}
isNumericStyle := ctx.Metas["style"] == "" || ctx.Metas["style"] == IssueNameStyleNumeric
foundNumeric, refNumeric := references.FindRenderizableReferenceNumeric(node.Data, hasExtTrackFormat && !isNumericStyle)
switch ctx.Metas["style"] {
case "", IssueNameStyleNumeric:
found, ref = foundNumeric, refNumeric
case IssueNameStyleAlphanumeric:
found, ref = references.FindRenderizableReferenceAlphanumeric(node.Data)
case IssueNameStyleRegexp:
pattern, err := regexplru.GetCompiled(ctx.Metas["regexp"])
if err != nil {
return
}
found, 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 {
// If numeric (PR) was found, and it was BEFORE the non-numeric pattern, use that
if foundNumeric && refNumeric.RefLocation.Start < ref.RefLocation.Start {
found = foundNumeric
ref = refNumeric
}
}
if !found {
@ -836,7 +854,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
var link *html.Node
reftext := node.Data[ref.RefLocation.Start:ref.RefLocation.End]
if exttrack && !ref.IsPull {
if hasExtTrackFormat && !ref.IsPull {
ctx.Metas["index"] = ref.Issue
res, err := vars.Expand(ctx.Metas["format"], ctx.Metas)
@ -869,7 +887,7 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
// Decorate action keywords if actionable
var keyword *html.Node
if references.IsXrefActionable(ref, exttrack, alphanum) {
if references.IsXrefActionable(ref, hasExtTrackFormat) {
keyword = createKeyword(node.Data[ref.ActionLocation.Start:ref.ActionLocation.End])
} else {
keyword = &html.Node{