Allow custom highlight mapping beyond file extensions (#15808)
Co-authored-by: Lauris BH <lauris@nix.lv>
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27b29ffb22
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52f8dcda43
1 changed files with 17 additions and 10 deletions
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@ -16,6 +16,7 @@ import (
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"code.gitea.io/gitea/modules/analyze"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"github.com/alecthomas/chroma"
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"github.com/alecthomas/chroma/formatters/html"
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"github.com/alecthomas/chroma/lexers"
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"github.com/alecthomas/chroma/styles"
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@ -66,14 +67,17 @@ func Code(fileName, code string) string {
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htmlbuf := bytes.Buffer{}
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htmlw := bufio.NewWriter(&htmlbuf)
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var lexer chroma.Lexer
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if val, ok := highlightMapping[filepath.Ext(fileName)]; ok {
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//change file name to one with mapped extension so we look that up instead
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fileName = "mapped." + val
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//use mapped value to find lexer
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lexer = lexers.Get(val)
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}
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lexer := lexers.Match(fileName)
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if lexer == nil {
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lexer = lexers.Fallback
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lexer = lexers.Match(fileName)
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if lexer == nil {
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lexer = lexers.Fallback
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}
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}
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iterator, err := lexer.Tokenise(nil, string(code))
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@ -114,17 +118,20 @@ func File(numLines int, fileName string, code []byte) map[int]string {
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htmlbuf := bytes.Buffer{}
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htmlw := bufio.NewWriter(&htmlbuf)
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var lexer chroma.Lexer
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if val, ok := highlightMapping[filepath.Ext(fileName)]; ok {
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fileName = "test." + val
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lexer = lexers.Get(val)
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}
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language := analyze.GetCodeLanguage(fileName, code)
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lexer := lexers.Get(language)
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if lexer == nil {
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lexer = lexers.Match(fileName)
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language := analyze.GetCodeLanguage(fileName, code)
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lexer = lexers.Get(language)
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if lexer == nil {
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lexer = lexers.Fallback
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lexer = lexers.Match(fileName)
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if lexer == nil {
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lexer = lexers.Fallback
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}
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}
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}
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