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Add helper Color functions

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This commit is contained in:
Fatih Arslan 2014-02-17 23:46:20 -08:00
parent 57ae7cd7bc
commit 6ba802d6b6
2 changed files with 41 additions and 12 deletions
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45
color.go
View File

@ -55,23 +55,44 @@ const (
BgWhite
)
var (
Black = &Color{params: []Parameter{FgBlack}}
Green = &Color{params: []Parameter{FgGreen}}
Yellow = &Color{params: []Parameter{FgYellow}}
Blue = &Color{params: []Parameter{FgBlue}}
Magenta = &Color{params: []Parameter{FgMagenta}}
Cyan = &Color{params: []Parameter{FgCyan}}
White = &Color{params: []Parameter{FgWhite}}
)
// Black is an convenient helper function to print with black foreground. A
// newline is appended to format by default.
func Black(format string, a ...interface{}) { printColor(format, FgBlack, a...) }
// Red is an convenient helper function to print with red foreground.
func Red(format string, a ...interface{}) {
// Red is an convenient helper function to print with red foreground. A
// newline is appended to format by default.
func Red(format string, a ...interface{}) { printColor(format, FgRed, a...) }
// Green is an convenient helper function to print with green foreground. A
// newline is appended to format by default.
func Green(format string, a ...interface{}) { printColor(format, FgGreen, a...) }
// Yellow is an convenient helper function to print with yello foreground.
// A newline is appended to format by default.
func Yellow(format string, a ...interface{}) { printColor(format, FgYellow, a...) }
// Blue is an convenient helper function to print with blue foreground. A
// newline is appended to format by default.
func Blue(format string, a ...interface{}) { printColor(format, FgBlue, a...) }
// Magenta is an convenient helper function to print with magenta foreground.
// A newline is appended to format by default.
func Magenta(format string, a ...interface{}) { printColor(format, FgMagenta, a...) }
// Cyan is an convenient helper function to print with cyan foreground. A
// newline is appended to format by default.
func Cyan(format string, a ...interface{}) { printColor(format, FgCyan, a...) }
// White is an convenient helper function to print with white foreground. A
// newline is appended to format by default.
func White(format string, a ...interface{}) { printColor(format, FgWhite, a...) }
func printColor(format string, p Parameter, a ...interface{}) {
if !strings.HasSuffix(format, "\n") {
format += "\n"
}
c := &Color{params: []Parameter{FgRed}}
c := &Color{params: []Parameter{p}}
c.Printf(format, a...)
}

8
color_test.go
View File

@ -75,5 +75,13 @@ func TestColor(t *testing.T) {
// Second Visual test
Black("black")
Red("red")
Green("green")
Yellow("yellow")
Blue("blue")
Magenta("magenta")
Cyan("cyan")
White("white")
}