Initial QSfera import

Server/vendor/github.com/gookit/goutil/maputil/smap_l2.go

@@ -0,0 +1,51 @@
+package maputil
+
+import "github.com/gookit/goutil/strutil"
+
+// L2StrMap is alias of map[string]map[string]string
+type L2StrMap map[string]map[string]string
+
+// Load data, merge new data to old
+func (m L2StrMap) Load(mp map[string]map[string]string) {
+	for k, v := range mp {
+		if oldV, ok := m[k]; ok {
+			for k1, v1 := range v {
+				oldV[k1] = v1
+			}
+			m[k] = oldV
+		} else {
+			m[k] = v
+		}
+	}
+}
+
+// Value get by key path. eg: "top.sub"
+func (m L2StrMap) Value(key string) (val string, ok bool) {
+	top, sub, found := strutil.Cut(key, KeySepStr)
+	if !found {
+		return "", false
+	}
+
+	if vals, ok1 := m[top]; ok1 {
+		val, ok = vals[sub]
+		return
+	}
+	return "", false
+}
+
+// Get value by key path. eg: "top.sub"
+func (m L2StrMap) Get(key string) string {
+	val, _ := m.Value(key)
+	return val
+}
+
+// Exists check key path exists. eg: "top.sub"
+func (m L2StrMap) Exists(key string) bool {
+	_, ok := m.Value(key)
+	return ok
+}
+
+// StrMap get by top key. eg: "top"
+func (m L2StrMap) StrMap(top string) StrMap {
+	return m[top]
+}