1package formatters
 2
 3import (
 4	"fmt"
 5	"io"
 6
 7	"github.com/alecthomas/chroma"
 8)
 9
10// TTY16m is a true-colour terminal formatter.
11var TTY16m = Register("terminal16m", chroma.FormatterFunc(trueColourFormatter))
12
13func trueColourFormatter(w io.Writer, style *chroma.Style, it chroma.Iterator) error {
14	style = clearBackground(style)
15	for token := it(); token != chroma.EOF; token = it() {
16		entry := style.Get(token.Type)
17		if !entry.IsZero() {
18			out := ""
19			if entry.Bold == chroma.Yes {
20				out += "\033[1m"
21			}
22			if entry.Underline == chroma.Yes {
23				out += "\033[4m"
24			}
25			if entry.Italic == chroma.Yes {
26				out += "\033[3m"
27			}
28			if entry.Colour.IsSet() {
29				out += fmt.Sprintf("\033[38;2;%d;%d;%dm", entry.Colour.Red(), entry.Colour.Green(), entry.Colour.Blue())
30			}
31			if entry.Background.IsSet() {
32				out += fmt.Sprintf("\033[48;2;%d;%d;%dm", entry.Background.Red(), entry.Background.Green(), entry.Background.Blue())
33			}
34			fmt.Fprint(w, out)
35		}
36		fmt.Fprint(w, token.Value)
37		if !entry.IsZero() {
38			fmt.Fprint(w, "\033[0m")
39		}
40	}
41	return nil
42}