vendor/github.com/bclicn/color/color.go

// github.com/bclicn/color
// colorized output for Mac & Linux terminal
// version: 1.0.0
// author:  bcli, bclicn@gmail.com, 2018-7-11
// see:     http://misc.flogisoft.com/bash/tip_colors_and_formatting
// usage:
// Official layout
// 	$ go get github.com/bclicn/color
// 	# in your project
// 	import "github.com/bclicn/color"
// 	func main() {
//		fmt.Println(color.Red("I'm red!"))
//		color.Test()
//	}

package color

import (
	"strconv"
)

const (
	// common
	reset  = "\033[0m" // auto reset the rest of text to default color
	normal = 0
	bold   = 1 // increase this value if you want bolder text
	// special
	dim       = 2
	underline = 4
	blink     = 5
	reverse   = 7
	hidden    = 8
	// color
	black       = 30 // default = 39
	red         = 31
	green       = 32
	yellow      = 33
	blue        = 34
	purple      = 35 // purple = magenta
	cyan        = 36
	lightGray   = 37
	darkGray    = 90
	lightRed    = 91
	lightGreen  = 92
	lightYellow = 93
	lightBlue   = 94
	lightPurple = 95
	lightCyan   = 96
	white       = 97
)

// you can use custom color code and font size by calling this function
func Render(colorCode int, fontSize int, content string) string {
	return "\033[" + strconv.Itoa(fontSize) + ";" + strconv.Itoa(colorCode) + "m" + content + reset
}

// black text (use this with caution since most geeks use dark console)
func Black(txt string) string {
	return Render(black, normal, txt)
}

// red text
func Red(txt string) string {
	return Render(red, normal, txt)
}

// green text
func Green(txt string) string {
	return Render(green, normal, txt)
}

// yellow text
func Yellow(txt string) string {
	return Render(yellow, normal, txt)
}

// blue text
func Blue(txt string) string {
	return Render(blue, normal, txt)
}

// purple text
func Purple(txt string) string {
	return Render(purple, normal, txt)
}

// cyan text
func Cyan(txt string) string {
	return Render(cyan, normal, txt)
}

// light gray text
func LightGray(txt string) string {
	return Render(lightGray, normal, txt)
}

// dark gray text
func DarkGray(txt string) string {
	return Render(darkGray, normal, txt)
}

// light red text
func LightRed(txt string) string {
	return Render(lightRed, normal, txt)
}

// light green text
func LightGreen(txt string) string {
	return Render(lightGreen, normal, txt)
}

// light yellow text
func LightYellow(txt string) string {
	return Render(lightYellow, normal, txt)
}

// light blue text
func LightBlue(txt string) string {
	return Render(lightBlue, normal, txt)
}

// light purple text
func LightPurple(txt string) string {
	return Render(lightPurple, normal, txt)
}

// light cyan text
func LightCyan(txt string) string {
	return Render(lightCyan, normal, txt)
}

// white text
func White(txt string) string {
	return Render(white, normal, txt)
}

// black text (use this with caution since most geeks use dark console)
func BBlack(txt string) string {
	return Render(black, bold, txt)
}

// bold red
func BRed(txt string) string {
	return Render(red, bold, txt)
}

// bold green
func BGreen(txt string) string {
	return Render(green, bold, txt)
}

// bold yellow
func BYellow(txt string) string {
	return Render(yellow, bold, txt)
}

// bold blue
func BBlue(txt string) string {
	return Render(blue, bold, txt)
}

// bold purple
func BPurple(txt string) string {
	return Render(purple, bold, txt)
}

// bold cyan
func BCyan(txt string) string {
	return Render(cyan, bold, txt)
}

// bold light gray
func BLightGray(txt string) string {
	return Render(lightGray, bold, txt)
}

// bold dark gray
func BDarkGray(txt string) string {
	return Render(darkGray, bold, txt)
}

// bold light red
func BLightRed(txt string) string {
	return Render(lightRed, bold, txt)
}

// bold light green
func BLightGreen(txt string) string {
	return Render(lightGreen, bold, txt)
}

// bold light yellow
func BLightYellow(txt string) string {
	return Render(lightYellow, bold, txt)
}

// bold light blue
func BLightBlue(txt string) string {
	return Render(lightBlue, bold, txt)
}

// bold light purple
func BLightPurple(txt string) string {
	return Render(lightPurple, bold, txt)
}

// bold light cyan
func BLightCyan(txt string) string {
	return Render(lightCyan, bold, txt)
}

// bold white
func BWhite(txt string) string {
	return Render(white, bold, txt)
}

// black background (use this with caution since most of geeks use dark console)
func GBlack(txt string) string {
	return Render(black+1, normal, txt)
}

// red background
func GRed(txt string) string {
	return Render(red+1, normal, txt)
}

// green background
func GGreen(txt string) string {
	return Render(green+1, normal, txt)
}

// yellow background
func GYellow(txt string) string {
	return Render(yellow+1, normal, txt)
}

// blue background
func GBlue(txt string) string {
	return Render(blue+1, normal, txt)
}

// purple background
func GPurple(txt string) string {
	return Render(purple+1, normal, txt)
}

// cyan background
func GCyan(txt string) string {
	return Render(cyan+1, normal, txt)
}

// light gray background
func GLightGray(txt string) string {
	return Render(lightGray+1, normal, txt)
}

// dark gray background
func GDarkGray(txt string) string {
	return Render(darkGray+1, normal, txt)
}

// light red background
func GLightRed(txt string) string {
	return Render(lightRed+1, normal, txt)
}

// light green background
func GLightGreen(txt string) string {
	return Render(lightGreen+1, normal, txt)
}

// light yellow background
func GLightYellow(txt string) string {
	return Render(lightYellow+1, normal, txt)
}

// blue background
func GLightBlue(txt string) string {
	return Render(lightBlue+1, normal, txt)
}

// light purple background
func GLightPurple(txt string) string {
	return Render(lightPurple+1, normal, txt)
}

// light cyan background
func GLightCyan(txt string) string {
	return Render(lightCyan+1, normal, txt)
}

// give text a white background
func GWhite(txt string) string {
	return Render(white+1, normal, txt)
}

// bold text
func Bold(txt string) string {
	return Render(bold, normal, txt)
}

// dimmed text
func Dim(txt string) string {
	return Render(dim, normal, txt)
}

// underlined text
func Underline(txt string) string {
	return Render(underline, 0, txt)
}

// make given text blink, not supported by all consoles
func Blink(txt string) string {
	return Render(blink, normal, txt)
}

// invert the color of text and its background
func Invert(txt string) string {
	return Render(reverse, normal, txt)
}

// hide given text, useful for password input
func Hide(txt string) string {
	return Render(hidden, normal, txt)
}

// test all functions
func Test() {
	ColorTest()
}