package formatters import ( "fmt" "io" "github.com/alecthomas/chroma" ) // TTY16m is a true-colour terminal formatter. var TTY16m = Register("terminal16m", chroma.FormatterFunc(trueColourFormatter)) func trueColourFormatter(w io.Writer, style *chroma.Style, it chroma.Iterator) error { for token := it(); token != chroma.EOF; token = it() { entry := style.Get(token.Type) if !entry.IsZero() { out := "" if entry.Bold == chroma.Yes { out += "\033[1m" } if entry.Underline == chroma.Yes { out += "\033[4m" } if entry.Colour.IsSet() { out += fmt.Sprintf("\033[38;2;%d;%d;%dm", entry.Colour.Red(), entry.Colour.Green(), entry.Colour.Blue()) } if entry.Background.IsSet() { out += fmt.Sprintf("\033[48;2;%d;%d;%dm", entry.Background.Red(), entry.Background.Green(), entry.Background.Blue()) } fmt.Fprint(w, out) } fmt.Fprint(w, token.Value) if !entry.IsZero() { fmt.Fprint(w, "\033[0m") } } return nil }