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// Copyright 2016 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package ansiterm
const (
_ Color = iota
Default
Black
Red
Green
Yellow
Blue
Magenta
Cyan
Gray
DarkGray
BrightRed
BrightGreen
BrightYellow
BrightBlue
BrightMagenta
BrightCyan
White
)
// Color represents one of the standard 16 ANSI colors.
type Color int
// String returns the name of the color.
func (c Color) String() string {
switch c {
case Default:
return "default"
case Black:
return "black"
case Red:
return "red"
case Green:
return "green"
case Yellow:
return "yellow"
case Blue:
return "blue"
case Magenta:
return "magenta"
case Cyan:
return "cyan"
case Gray:
return "gray"
case DarkGray:
return "darkgray"
case BrightRed:
return "brightred"
case BrightGreen:
return "brightgreen"
case BrightYellow:
return "brightyellow"
case BrightBlue:
return "brightblue"
case BrightMagenta:
return "brightmagenta"
case BrightCyan:
return "brightcyan"
case White:
return "white"
default:
return ""
}
}
func (c Color) foreground() attribute {
switch c {
case Default:
return 39
case Black:
return 30
case Red:
return 31
case Green:
return 32
case Yellow:
return 33
case Blue:
return 34
case Magenta:
return 35
case Cyan:
return 36
case Gray:
return 37
case DarkGray:
return 90
case BrightRed:
return 91
case BrightGreen:
return 92
case BrightYellow:
return 93
case BrightBlue:
return 94
case BrightMagenta:
return 95
case BrightCyan:
return 96
case White:
return 97
default:
return unknownAttribute
}
}
func (c Color) background() attribute {
value := c.foreground()
if value != unknownAttribute {
return value + 10
}
return value
}
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