1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/github.com/docker/go-connections/nat/parse.go b/vendor/github.com/docker/go-connections/nat/parse.go
new file mode 100644
index 0000000..e4b53e8
--- /dev/null
+++ b/vendor/github.com/docker/go-connections/nat/parse.go
@@ -0,0 +1,33 @@
+package nat
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// ParsePortRange parses and validates the specified string as a port-range (8000-9000)
+func ParsePortRange(ports string) (uint64, uint64, error) {
+	if ports == "" {
+		return 0, 0, fmt.Errorf("empty string specified for ports")
+	}
+	if !strings.Contains(ports, "-") {
+		start, err := strconv.ParseUint(ports, 10, 16)
+		end := start
+		return start, end, err
+	}
+
+	parts := strings.Split(ports, "-")
+	start, err := strconv.ParseUint(parts[0], 10, 16)
+	if err != nil {
+		return 0, 0, err
+	}
+	end, err := strconv.ParseUint(parts[1], 10, 16)
+	if err != nil {
+		return 0, 0, err
+	}
+	if end < start {
+		return 0, 0, fmt.Errorf("invalid range specified for port: %s", ports)
+	}
+	return start, end, nil
+}