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