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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package render | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "bytes" | ||
| "github.com/alecthomas/chroma/v2" | ||
| "github.com/alecthomas/chroma/v2/formatters/html" | ||
| "github.com/alecthomas/chroma/v2/lexers" | ||
| "github.com/alecthomas/chroma/v2/styles" | ||
| "github.com/thomiceli/opengist/internal/git" | ||
| ) | ||
|
|
||
| type RenderedFile struct { | ||
| File *git.File | ||
| Type string | ||
| HTML string | ||
| } | ||
|
|
||
| func File(file *git.File) (RenderedFile, error) { | ||
| colorFile := RenderedFile{ | ||
| File: file, | ||
| } | ||
|
|
||
| var lexer chroma.Lexer | ||
| if lexer = lexers.Get(file.Filename); lexer == nil { | ||
| lexer = lexers.Fallback | ||
| } | ||
|
|
||
| style := styles.Get("catppuccin-latte") | ||
| if style == nil { | ||
| style = styles.Fallback | ||
| } | ||
|
|
||
| formatter := html.New(html.WithClasses(true), html.PreventSurroundingPre(true)) | ||
|
|
||
| iterator, err := lexer.Tokenise(nil, file.Content) | ||
| if err != nil { | ||
| return colorFile, err | ||
| } | ||
|
|
||
| htmlbuf := bytes.Buffer{} | ||
| w := bufio.NewWriter(&htmlbuf) | ||
|
|
||
| if err = formatter.Format(w, style, iterator); err != nil { | ||
| return colorFile, err | ||
| } | ||
|
|
||
| _ = w.Flush() | ||
|
|
||
| colorFile.HTML = htmlbuf.String() | ||
| colorFile.Type = parseFileTypeName(*lexer.Config()) | ||
|
|
||
| return colorFile, err | ||
| } | ||
|
|
||
| func Code(filename, code string) (string, error) { | ||
| var lexer chroma.Lexer | ||
| if lexer = lexers.Get(filename); lexer == nil { | ||
| lexer = lexers.Fallback | ||
| } | ||
|
|
||
| style := styles.Get("catppuccin-latte") | ||
| if style == nil { | ||
| style = styles.Fallback | ||
| } | ||
|
|
||
| formatter := html.New(html.WithClasses(true), html.PreventSurroundingPre(true)) | ||
|
|
||
| iterator, err := lexer.Tokenise(nil, code) | ||
| if err != nil { | ||
| return code, err | ||
| } | ||
|
|
||
| htmlbuf := bytes.Buffer{} | ||
| w := bufio.NewWriter(&htmlbuf) | ||
|
|
||
| if err = formatter.Format(w, style, iterator); err != nil { | ||
| return code, err | ||
| } | ||
|
|
||
| _ = w.Flush() | ||
|
|
||
| return htmlbuf.String(), err | ||
| } | ||
|
|
||
| func parseFileTypeName(config chroma.Config) string { | ||
| fileType := config.Name | ||
| if fileType == "fallback" || fileType == "plaintext" { | ||
| return "Text" | ||
| } | ||
|
|
||
| return fileType | ||
| } |
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