1 package formatters
2
3 import (
4 "fmt"
5 "io"
6
7 "github.com/alecthomas/chroma"
8 )
9
10
11 var TTY16m = Register("terminal16m", chroma.FormatterFunc(trueColourFormatter))
12
13 func 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 }
43
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