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Show syntax lexer name in file view/blame (#21814)

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Show which Chroma Lexer is used to highlight the file in the file
header. It's useful for development to see what was detected, and I
think it's not bad info to have for the user:

<img width="233" alt="Screenshot 2022-11-14 at 22 31 16"
src="https://user-images.githubusercontent.com/115237/201770854-44933dfc-70a4-487c-8457-1bb3cc43ea62.png">
<img width="226" alt="Screenshot 2022-11-14 at 22 36 06"
src="https://user-images.githubusercontent.com/115237/201770856-9260ce6f-6c0f-442c-92b5-201e5b113188.png">
<img width="194" alt="Screenshot 2022-11-14 at 22 36 26"
src="https://user-images.githubusercontent.com/115237/201770857-6f56591b-80ea-42cc-8ea5-21b9156c018b.png">

Also, I improved the way this header overflows on small screens:

<img width="354" alt="Screenshot 2022-11-14 at 22 44 36"
src="https://user-images.githubusercontent.com/115237/201774828-2ddbcde1-da15-403f-bf7a-6248449fa2c5.png">

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
This commit is contained in:
silverwind 2022-11-19 12:08:06 +01:00 • committed by GitHub
parent 044c754ea5
commit eec1c71880
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 132 additions and 72 deletions
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13
routers/web/repo/blame.go
View file

@ -100,6 +100,8 @@ func RefBlame(ctx *context.Context) {
ctx.Data["FileName"] = blob.Name()
ctx.Data["NumLines"], err = blob.GetBlobLineCount()
ctx.Data["NumLinesSet"] = true
if err != nil {
ctx.NotFound("GetBlobLineCount", err)
return
@ -237,6 +239,8 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
rows := make([]*blameRow, 0)
escapeStatus := &charset.EscapeStatus{}
var lexerName string
i := 0
commitCnt := 0
for _, part := range blameParts {
@ -278,7 +282,13 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
line += "\n"
}
fileName := fmt.Sprintf("%v", ctx.Data["FileName"])
line = highlight.Code(fileName, language, line)
line, lexerNameForLine := highlight.Code(fileName, language, line)
// set lexer name to the first detected lexer. this is certainly suboptimal and
// we should instead highlight the whole file at once
if lexerName == "" {
lexerName = lexerNameForLine
}
br.EscapeStatus, line = charset.EscapeControlHTML(line, ctx.Locale)
br.Code = gotemplate.HTML(line)
@ -290,4 +300,5 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
ctx.Data["EscapeStatus"] = escapeStatus
ctx.Data["BlameRows"] = rows
ctx.Data["CommitCnt"] = commitCnt
ctx.Data["LexerName"] = lexerName
}