cheat/vendor/github.com/alecthomas/chroma/formatters/tty_truecolour.go
Chris Lane 50dc3c8b29 fix: resolves #498
Resolves an issue whereby background colors were written to the terminal
output when colorization was applied.
2019-11-07 20:24:08 -05:00

43 lines
1.0 KiB
Go

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 {
style = clearBackground(style)
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.Italic == chroma.Yes {
out += "\033[3m"
}
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
}