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84 lines
1.7 KiB

package common
import (
"fmt"
"strings"
)
const (
ANSIReset = "\x1b[0m"
ANSIBright = "\x1b[1m"
ANSIDim = "\x1b[2m"
ANSIUnderscore = "\x1b[4m"
ANSIBlink = "\x1b[5m"
ANSIReverse = "\x1b[7m"
ANSIHidden = "\x1b[8m"
ANSIFgBlack = "\x1b[30m"
ANSIFgRed = "\x1b[31m"
ANSIFgGreen = "\x1b[32m"
ANSIFgYellow = "\x1b[33m"
ANSIFgBlue = "\x1b[34m"
ANSIFgMagenta = "\x1b[35m"
ANSIFgCyan = "\x1b[36m"
ANSIFgWhite = "\x1b[37m"
ANSIBgBlack = "\x1b[40m"
ANSIBgRed = "\x1b[41m"
ANSIBgGreen = "\x1b[42m"
ANSIBgYellow = "\x1b[43m"
ANSIBgBlue = "\x1b[44m"
ANSIBgMagenta = "\x1b[45m"
ANSIBgCyan = "\x1b[46m"
ANSIBgWhite = "\x1b[47m"
)
// color the string s with color 'color'
// unless s is already colored
func treat(s string, color string) string {
if len(s) > 2 && s[:2] == "\x1b[" {
return s
} else {
return color + s + ANSIReset
}
}
func treatAll(color string, args ...interface{}) string {
var parts []string
for _, arg := range args {
parts = append(parts, treat(fmt.Sprintf("%v", arg), color))
}
return strings.Join(parts, "")
}
func Black(args ...interface{}) string {
return treatAll(ANSIFgBlack, args...)
}
func Red(args ...interface{}) string {
return treatAll(ANSIFgRed, args...)
}
func Green(args ...interface{}) string {
return treatAll(ANSIFgGreen, args...)
}
func Yellow(args ...interface{}) string {
return treatAll(ANSIFgYellow, args...)
}
func Blue(args ...interface{}) string {
return treatAll(ANSIFgBlue, args...)
}
func Magenta(args ...interface{}) string {
return treatAll(ANSIFgMagenta, args...)
}
func Cyan(args ...interface{}) string {
return treatAll(ANSIFgCyan, args...)
}
func White(args ...interface{}) string {
return treatAll(ANSIFgWhite, args...)
}