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Accept punctuation after simple+cross repository issue references (#10091)

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* Support references ending in , . and ;

* Accept :;, in simple refs; fix 2+ consecutive refs

* Include cross-repository references

* Add ?!, fix spacing problem
This commit is contained in:
guillep2k 2020-02-01 15:01:30 -03:00 committed by GitHub
parent f8f6adc2a6
commit 131baa26be
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 96 additions and 12 deletions
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65
modules/references/references.go
View File

@ -29,12 +29,14 @@ var (
// mentionPattern matches all mentions in the form of "@user"
mentionPattern = regexp.MustCompile(`(?:\s|^|\(|\[)(@[0-9a-zA-Z-_]+|@[0-9a-zA-Z-_][0-9a-zA-Z-_.]+[0-9a-zA-Z-_])(?:\s|[:,;.?!]\s|[:,;.?!]?$|\)|\])`)
// issueNumericPattern matches string that references to a numeric issue, e.g. #1287
issueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([#!][0-9]+)(?:\s|$|\)|\]|:|\.(\s|$))`)
issueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([#!][0-9]+)(?:\s|$|\)|\]|[:;,.?!]\s|[:;,.?!]$)`)
// issueAlphanumericPattern matches string that references to an alphanumeric issue, e.g. ABC-1234
issueAlphanumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([A-Z]{1,10}-[1-9][0-9]*)(?:\s|$|\)|\]|:|\.(\s|$))`)
// crossReferenceIssueNumericPattern matches string that references a numeric issue in a different repository
// e.g. gogits/gogs#12345
crossReferenceIssueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-zA-Z-_\.]+/[0-9a-zA-Z-_\.]+[#!][0-9]+)(?:\s|$|\)|\]|\.(\s|$))`)
crossReferenceIssueNumericPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-zA-Z-_\.]+/[0-9a-zA-Z-_\.]+[#!][0-9]+)(?:\s|$|\)|\]|[:;,.?!]\s|[:;,.?!]$)`)
// spaceTrimmedPattern let's us find the trailing space
spaceTrimmedPattern = regexp.MustCompile(`(?:.*[0-9a-zA-Z-_])\s`)
issueCloseKeywordsPat, issueReopenKeywordsPat *regexp.Regexp
issueKeywordsOnce sync.Once
@ -172,10 +174,24 @@ func FindAllMentionsMarkdown(content string) []string {
// FindAllMentionsBytes matches mention patterns in given content
// and returns a list of locations for the unvalidated user names, including the @ prefix.
func FindAllMentionsBytes(content []byte) []RefSpan {
mentions := mentionPattern.FindAllSubmatchIndex(content, -1)
ret := make([]RefSpan, len(mentions))
for i, val := range mentions {
ret[i] = RefSpan{Start: val[2], End: val[3]}
// Sadly we can't use FindAllSubmatchIndex because our pattern checks for starting and
// trailing spaces (\s@mention,\s), so if we get two consecutive references, the space
// from the second reference will be "eaten" by the first one:
// ...\s@mention1\s@mention2\s... --> ...`\s@mention1\s`, (not) `@mention2,\s...`
ret := make([]RefSpan, 0, 5)
pos := 0
for {
match := mentionPattern.FindSubmatchIndex(content[pos:])
if match == nil {
break
}
ret = append(ret, RefSpan{Start: match[2] + pos, End: match[3] + pos})
notrail := spaceTrimmedPattern.FindSubmatchIndex(content[match[2]+pos : match[3]+pos])
if notrail == nil {
pos = match[3] + pos
} else {
pos = match[3] + pos + notrail[1] - notrail[3]
}
}
return ret
}
@ -252,19 +268,44 @@ func FindRenderizableReferenceAlphanumeric(content string) (bool, *RenderizableR
func findAllIssueReferencesBytes(content []byte, links []string) []*rawReference {
ret := make([]*rawReference, 0, 10)
pos := 0
matches := issueNumericPattern.FindAllSubmatchIndex(content, -1)
for _, match := range matches {
if ref := getCrossReference(content, match[2], match[3], false, false); ref != nil {
// Sadly we can't use FindAllSubmatchIndex because our pattern checks for starting and
// trailing spaces (\s#ref,\s), so if we get two consecutive references, the space
// from the second reference will be "eaten" by the first one:
// ...\s#ref1\s#ref2\s... --> ...`\s#ref1\s`, (not) `#ref2,\s...`
for {
match := issueNumericPattern.FindSubmatchIndex(content[pos:])
if match == nil {
break
}
if ref := getCrossReference(content, match[2]+pos, match[3]+pos, false, false); ref != nil {
ret = append(ret, ref)
}
notrail := spaceTrimmedPattern.FindSubmatchIndex(content[match[2]+pos : match[3]+pos])
if notrail == nil {
pos = match[3] + pos
} else {
pos = match[3] + pos + notrail[1] - notrail[3]
}
}
matches = crossReferenceIssueNumericPattern.FindAllSubmatchIndex(content, -1)
for _, match := range matches {
if ref := getCrossReference(content, match[2], match[3], false, false); ref != nil {
pos = 0
for {
match := crossReferenceIssueNumericPattern.FindSubmatchIndex(content[pos:])
if match == nil {
break
}
if ref := getCrossReference(content, match[2]+pos, match[3]+pos, false, false); ref != nil {
ret = append(ret, ref)
}
notrail := spaceTrimmedPattern.FindSubmatchIndex(content[match[2]+pos : match[3]+pos])
if notrail == nil {
pos = match[3] + pos
} else {
pos = match[3] + pos + notrail[1] - notrail[3]
}
}
localhost := getGiteaHostName()

43
modules/references/references_test.go
View File

@ -135,6 +135,39 @@ func TestFindAllIssueReferences(t *testing.T) {
{1235, "", "", "1235", false, XRefActionNone, &RefSpan{Start: 8, End: 13}, nil},
},
},
{
"For [!123] yes",
[]testResult{
{123, "", "", "123", true, XRefActionNone, &RefSpan{Start: 5, End: 9}, nil},
},
},
{
"For (#345) yes",
[]testResult{
{345, "", "", "345", false, XRefActionNone, &RefSpan{Start: 5, End: 9}, nil},
},
},
{
"For #22,#23 no, neither #28:#29 or !30!31#32;33 should",
[]testResult{},
},
{
"For #24, and #25. yes; also #26; #27? #28! and #29: should",
[]testResult{
{24, "", "", "24", false, XRefActionNone, &RefSpan{Start: 4, End: 7}, nil},
{25, "", "", "25", false, XRefActionNone, &RefSpan{Start: 13, End: 16}, nil},
{26, "", "", "26", false, XRefActionNone, &RefSpan{Start: 28, End: 31}, nil},
{27, "", "", "27", false, XRefActionNone, &RefSpan{Start: 33, End: 36}, nil},
{28, "", "", "28", false, XRefActionNone, &RefSpan{Start: 38, End: 41}, nil},
{29, "", "", "29", false, XRefActionNone, &RefSpan{Start: 47, End: 50}, nil},
},
},
{
"This user3/repo4#200, yes.",
[]testResult{
{200, "user3", "repo4", "200", false, XRefActionNone, &RefSpan{Start: 5, End: 20}, nil},
},
},
{
"Which abc. #9434 same as above",
[]testResult{
@ -217,6 +250,16 @@ func testFixtures(t *testing.T, fixtures []testFixture, context string) {
setting.AppURL = prevURL
}
func TestFindAllMentions(t *testing.T) {
res := FindAllMentionsBytes([]byte("@tasha, @mike; @lucy: @john"))
assert.EqualValues(t, []RefSpan{
{Start: 0, End: 6},
{Start: 8, End: 13},
{Start: 15, End: 20},
{Start: 22, End: 27},
}, res)
}
func TestRegExp_mentionPattern(t *testing.T) {
trueTestCases := []struct {
pat string