move resolve into package

db.go

@@ -3,8 +3,6 @@ package storage
 import (
 	"fmt"
 	"io"
-	"strconv"
-	"strings"
 )
 
 type DBStream interface {
@@ -60,52 +58,3 @@ func New(key Type, params ...string) (db DB, err error) {
 	}
 	return
 }
-
-func resolveNamespace(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 resolveLimits(input []string) []string {
-	return []string{
-		resolveLimitsStart(input),
-		resolveLimitsStop(input),
-		resolveLimitsLimit(input),
-		resolveLimitsAscending(input),
-	}
-}
-
-func resolveLimitsStart(input []string) string {
-	if len(input) > 0 {
-		return input[0]
-	}
-	return " "
-}
-
-func resolveLimitsStop(input []string) string {
-	if len(input) > 1 {
-		return input[1]
-	}
-	return "}}}}}}"
-}
-
-func resolveLimitsLimit(input []string) string {
-	if len(input) > 2 {
-		v, _ := strconv.Atoi(input[2])
-		return strconv.Itoa(v)
-	}
-	return "0"
-}
-
-func resolveLimitsAscending(input []string) string {
-	return strconv.FormatBool(len(input) < 4 || input[3] != "-")
-}