move resolve into package

resolve/resolve.go

@@ -0,0 +1,57 @@
+package resolve
+
+import (
+	"strconv"
+	"strings"
+)
+
+var DefaultNamespace = "namespace"
+
+func Namespace(ns []string) string {
+	namespace := DefaultNamespace
+	if len(ns) > 0 {
+		segments := []string{}
+		for i := range ns {
+			if ns[i] != "" {
+				segments = append(segments, ns[i])
+			}
+		}
+		namespace = strings.Join(segments, ".")
+	}
+	return namespace
+}
+
+func Limits(input []string) []string {
+	return []string{
+		LimitsStart(input),
+		LimitsStop(input),
+		LimitsLimit(input),
+		LimitsAscending(input),
+	}
+}
+
+func LimitsStart(input []string) string {
+	if len(input) > 0 {
+		return input[0]
+	}
+	return " "
+}
+
+func LimitsStop(input []string) string {
+	if len(input) > 1 {
+		return input[1]
+	}
+	return "}}}}}}"
+}
+
+func LimitsLimit(input []string) string {
+	if len(input) > 2 {
+		v, _ := strconv.Atoi(input[2])
+		return strconv.Itoa(v)
+	}
+	return "0"
+}
+
+func LimitsAscending(input []string) string {
+	return strconv.FormatBool(len(input) < 4 || input[3] != "-")
+}