86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package main
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import (
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"fmt"
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"strings"
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"github.com/fatih/color"
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)
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var colorCache = map[string]*color.Color{}
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func makeColor(colorSpec string) (c *color.Color) {
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// caching
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if c, ok := colorCache[colorSpec]; ok {
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return c
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}
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defer func() { colorCache[colorSpec] = c }()
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splits := strings.Split(colorSpec, ",")
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name := strings.TrimSpace(splits[0])
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c = color.New()
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switch name {
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case "black":
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c.Add(color.FgBlack)
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case "red":
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c.Add(color.FgRed)
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case "green":
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c.Add(color.FgGreen)
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case "yellow":
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c.Add(color.FgYellow)
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case "blue":
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c.Add(color.FgBlue)
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case "magenta":
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c.Add(color.FgMagenta)
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case "cyan":
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c.Add(color.FgCyan)
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case "white":
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c.Add(color.FgWhite)
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case "":
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default:
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panic("unknown color name. valid color names: black, red, green, yellow, blue, magenta, cyan, white")
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}
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if len(splits) >= 2 {
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attr := splits[1]
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switch attr {
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case "bold":
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fmt.Println("bold")
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c.Add(color.Bold)
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case "faint":
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fmt.Println("faint")
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c.Add(color.Faint)
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case "italic":
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fmt.Println("italic")
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c.Add(color.Italic)
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case "underline":
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fmt.Println("underline")
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c.Add(color.Underline)
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case "blink_slow":
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fmt.Println("blink_slow")
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c.Add(color.BlinkSlow)
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case "blink_rapid":
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fmt.Println("blink_rapid")
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c.Add(color.BlinkRapid)
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case "reverse_video":
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fmt.Println("reverse_video")
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c.Add(color.ReverseVideo)
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case "concealed":
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fmt.Println("concealed")
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c.Add(color.Concealed)
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case "crossed_out":
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fmt.Println("crossed_out")
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c.Add(color.CrossedOut)
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case "":
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fmt.Println("")
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default:
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panic("unknown attribute. valid attributes: bold, faint, italic, underline, blink_slow, blink_rapid, reverse_video, concealed, crossed_out")
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}
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}
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return c
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}
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