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package cli
import (
"github.com/fatih/color"
)
const (
noColor = -1
)
// UiColor is a posix shell color code to use.
type UiColor struct {
Code int
Bold bool
}
// A list of colors that are useful. These are all non-bolded by default.
var (
UiColorNone UiColor = UiColor{noColor, false}
UiColorRed = UiColor{int(color.FgHiRed), false}
UiColorGreen = UiColor{int(color.FgHiGreen), false}
UiColorYellow = UiColor{int(color.FgHiYellow), false}
UiColorBlue = UiColor{int(color.FgHiBlue), false}
UiColorMagenta = UiColor{int(color.FgHiMagenta), false}
UiColorCyan = UiColor{int(color.FgHiCyan), false}
)
// ColoredUi is a Ui implementation that colors its output according
// to the given color schemes for the given type of output.
type ColoredUi struct {
OutputColor UiColor
InfoColor UiColor
ErrorColor UiColor
WarnColor UiColor
Ui Ui
}
func (u *ColoredUi) Ask(query string) (string, error) {
return u.Ui.Ask(u.colorize(query, u.OutputColor))
}
func (u *ColoredUi) AskSecret(query string) (string, error) {
return u.Ui.AskSecret(u.colorize(query, u.OutputColor))
}
func (u *ColoredUi) Output(message string) {
u.Ui.Output(u.colorize(message, u.OutputColor))
}
func (u *ColoredUi) Info(message string) {
u.Ui.Info(u.colorize(message, u.InfoColor))
}
func (u *ColoredUi) Error(message string) {
u.Ui.Error(u.colorize(message, u.ErrorColor))
}
func (u *ColoredUi) Warn(message string) {
u.Ui.Warn(u.colorize(message, u.WarnColor))
}
func (u *ColoredUi) colorize(message string, uc UiColor) string {
if uc.Code == noColor {
return message
}
attr := []color.Attribute{color.Attribute(uc.Code)}
if uc.Bold {
attr = append(attr, color.Bold)
}
return color.New(attr...).SprintFunc()(message)
}
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