summaryrefslogtreecommitdiff
path: root/vendor/github.com/magefile/mage/mg/color.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/magefile/mage/mg/color.go')
-rw-r--r--vendor/github.com/magefile/mage/mg/color.go80
1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/github.com/magefile/mage/mg/color.go b/vendor/github.com/magefile/mage/mg/color.go
new file mode 100644
index 000000000..3e2710332
--- /dev/null
+++ b/vendor/github.com/magefile/mage/mg/color.go
@@ -0,0 +1,80 @@
+package mg
+
+// Color is ANSI color type
+type Color int
+
+// If you add/change/remove any items in this constant,
+// you will need to run "stringer -type=Color" in this directory again.
+// NOTE: Please keep the list in an alphabetical order.
+const (
+ Black Color = iota
+ Red
+ Green
+ Yellow
+ Blue
+ Magenta
+ Cyan
+ White
+ BrightBlack
+ BrightRed
+ BrightGreen
+ BrightYellow
+ BrightBlue
+ BrightMagenta
+ BrightCyan
+ BrightWhite
+)
+
+// AnsiColor are ANSI color codes for supported terminal colors.
+var ansiColor = map[Color]string{
+ Black: "\u001b[30m",
+ Red: "\u001b[31m",
+ Green: "\u001b[32m",
+ Yellow: "\u001b[33m",
+ Blue: "\u001b[34m",
+ Magenta: "\u001b[35m",
+ Cyan: "\u001b[36m",
+ White: "\u001b[37m",
+ BrightBlack: "\u001b[30;1m",
+ BrightRed: "\u001b[31;1m",
+ BrightGreen: "\u001b[32;1m",
+ BrightYellow: "\u001b[33;1m",
+ BrightBlue: "\u001b[34;1m",
+ BrightMagenta: "\u001b[35;1m",
+ BrightCyan: "\u001b[36;1m",
+ BrightWhite: "\u001b[37;1m",
+}
+
+// AnsiColorReset is an ANSI color code to reset the terminal color.
+const AnsiColorReset = "\033[0m"
+
+// DefaultTargetAnsiColor is a default ANSI color for colorizing targets.
+// It is set to Cyan as an arbitrary color, because it has a neutral meaning
+var DefaultTargetAnsiColor = ansiColor[Cyan]
+
+func toLowerCase(s string) string {
+ // this is a naive implementation
+ // borrowed from https://golang.org/src/strings/strings.go
+ // and only considers alphabetical characters [a-zA-Z]
+ // so that we don't depend on the "strings" package
+ buf := make([]byte, len(s))
+ for i := 0; i < len(s); i++ {
+ c := s[i]
+ if 'A' <= c && c <= 'Z' {
+ c += 'a' - 'A'
+ }
+ buf[i] = c
+ }
+ return string(buf)
+}
+
+func getAnsiColor(color string) (string, bool) {
+ colorLower := toLowerCase(color)
+ for k, v := range ansiColor {
+ colorConstLower := toLowerCase(k.String())
+ if colorConstLower == colorLower {
+ return v, true
+ }
+ }
+ return "", false
+}