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Render embedded code preview by permlink in markdown (#30234)

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The permlink in markdown will be rendered as a code preview block, like GitHub

Co-authored-by: silverwind <me@silverwind.io>
This commit is contained in:
wxiaoguang
2024-04-03 01:48:27 +08:00
committed by GitHub
parent eb505b128c
commit ca5c895efb
22 changed files with 450 additions and 21 deletions
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16
modules/indexer/code/search.go
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@@ -22,7 +22,7 @@ type Result struct {
UpdatedUnix timeutil.TimeStamp
Language string
Color string
Lines []ResultLine
Lines []*ResultLine
}
type ResultLine struct {
@@ -70,16 +70,18 @@ func writeStrings(buf *bytes.Buffer, strs ...string) error {
return nil
}
func HighlightSearchResultCode(filename string, lineNums []int, code string) []ResultLine {
func HighlightSearchResultCode(filename, language string, lineNums []int, code string) []*ResultLine {
// we should highlight the whole code block first, otherwise it doesn't work well with multiple line highlighting
hl, _ := highlight.Code(filename, "", code)
hl, _ := highlight.Code(filename, language, code)
highlightedLines := strings.Split(string(hl), "\n")
// The lineNums outputted by highlight.Code might not match the original lineNums, because "highlight" removes the last `\n`
lines := make([]ResultLine, min(len(highlightedLines), len(lineNums)))
lines := make([]*ResultLine, min(len(highlightedLines), len(lineNums)))
for i := 0; i < len(lines); i++ {
lines[i].Num = lineNums[i]
lines[i].FormattedContent = template.HTML(highlightedLines[i])
lines[i] = &ResultLine{
Num: lineNums[i],
FormattedContent: template.HTML(highlightedLines[i]),
}
}
return lines
}
@@ -122,7 +124,7 @@ func searchResult(result *internal.SearchResult, startIndex, endIndex int) (*Res
UpdatedUnix: result.UpdatedUnix,
Language: result.Language,
Color: result.Color,
Lines: HighlightSearchResultCode(result.Filename, lineNums, formattedLinesBuffer.String()),
Lines: HighlightSearchResultCode(result.Filename, result.Language, lineNums, formattedLinesBuffer.String()),
}, nil
}