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Diffstat (limited to 'vendor/github.com/mgutz/ansi/print.go')
-rw-r--r-- | vendor/github.com/mgutz/ansi/print.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/github.com/mgutz/ansi/print.go b/vendor/github.com/mgutz/ansi/print.go new file mode 100644 index 00000000..806f436b --- /dev/null +++ b/vendor/github.com/mgutz/ansi/print.go @@ -0,0 +1,57 @@ +package ansi + +import ( + "fmt" + "sort" + + colorable "github.com/mattn/go-colorable" +) + +// PrintStyles prints all style combinations to the terminal. +func PrintStyles() { + // for compatibility with Windows, not needed for *nix + stdout := colorable.NewColorableStdout() + + bgColors := []string{ + "", + ":black", + ":red", + ":green", + ":yellow", + ":blue", + ":magenta", + ":cyan", + ":white", + } + + keys := make([]string, 0, len(Colors)) + for k := range Colors { + keys = append(keys, k) + } + + sort.Sort(sort.StringSlice(keys)) + + for _, fg := range keys { + for _, bg := range bgColors { + fmt.Fprintln(stdout, padColor(fg, []string{"" + bg, "+b" + bg, "+bh" + bg, "+u" + bg})) + fmt.Fprintln(stdout, padColor(fg, []string{"+s" + bg, "+i" + bg})) + fmt.Fprintln(stdout, padColor(fg, []string{"+uh" + bg, "+B" + bg, "+Bb" + bg /* backgrounds */, "" + bg + "+h"})) + fmt.Fprintln(stdout, padColor(fg, []string{"+b" + bg + "+h", "+bh" + bg + "+h", "+u" + bg + "+h", "+uh" + bg + "+h"})) + } + } +} + +func pad(s string, length int) string { + for len(s) < length { + s += " " + } + return s +} + +func padColor(color string, styles []string) string { + buffer := "" + for _, style := range styles { + buffer += Color(pad(color+style, 20), color+style) + } + return buffer +} |