cheat/internal/sheet/colorize.go

38 lines
656 B
Go

package sheet
import (
"bytes"
"github.com/cheat/cheat/internal/config"
"github.com/alecthomas/chroma/quick"
)
// Colorize applies syntax-highlighting to a cheatsheet's Text.
func (s *Sheet) Colorize(conf config.Config) {
// if the syntax was not specified, default to bash
lex := s.Syntax
if lex == "" {
lex = "bash"
}
// write colorized text into a buffer
var buf bytes.Buffer
err := quick.Highlight(
&buf,
s.Text,
lex,
conf.Formatter,
conf.Style,
)
// if colorization somehow failed, do nothing
if err != nil {
return
}
// otherwise, swap the cheatsheet's Text with its colorized equivalent
s.Text = buf.String()
}