Add method to retrieve map[string]map[string]string types

viper.go

@@ -510,6 +510,7 @@ func (v *Viper) searchMapWithPathPrefixes(source map[string]interface{}, path []
 // isPathShadowedInDeepMap makes sure the given path is not shadowed somewhere
 // on its path in the map.
 // e.g., if "foo.bar" has a value in the given map, it “shadows”
+//
 //	"foo.bar.baz" in a lower-priority map
 func (v *Viper) isPathShadowedInDeepMap(path []string, m map[string]interface{}) string {
 	var parentVal interface{}
@@ -535,6 +536,7 @@ func (v *Viper) isPathShadowedInDeepMap(path []string, m map[string]interface{})
 // isPathShadowedInFlatMap makes sure the given path is not shadowed somewhere
 // in a sub-path of the map.
 // e.g., if "foo.bar" has a value in the given map, it “shadows”
+//
 //	"foo.bar.baz" in a lower-priority map
 func (v *Viper) isPathShadowedInFlatMap(path []string, mi interface{}) string {
 	// unify input map
@@ -560,6 +562,7 @@ func (v *Viper) isPathShadowedInFlatMap(path []string, mi interface{}) string {
 // isPathShadowedInAutoEnv makes sure the given path is not shadowed somewhere
 // in the environment, when automatic env is on.
 // e.g., if "foo.bar" has a value in the environment, it “shadows”
+//
 //	"foo.bar.baz" in a lower-priority map
 func (v *Viper) isPathShadowedInAutoEnv(path []string) string {
 	var parentKey string
@@ -827,6 +830,45 @@ func (v *Viper) GetStringMapStringE(key string) (map[string]string, error) {
 	return cast.ToStringMapStringE(v.GetRaw(key))
 }
 
+// GetStringMapStringMapString returns the value associated with the key as a map of strings.
+func GetStringMapStringMapString(key string) map[string]map[string]string {
+	return v.GetStringMapStringMapString(key)
+}
+func (v *Viper) GetStringMapStringMapString(key string) map[string]map[string]string {
+	result := map[string]map[string]string{}
+
+	interfacesVal := cast.ToStringMap(v.Get(key))
+
+	for k, v := range interfacesVal {
+		result[k] = cast.ToStringMapString(v)
+	}
+
+	return result
+}
+
+// GetStringMapStringMapStringE is the same as GetStringMapStringMapString but also returns parsing errors.
+func GetStringMapStringMapStringE(key string) (map[string]map[string]string, error) {
+	return v.GetStringMapStringMapStringE(key)
+}
+func (v *Viper) GetStringMapStringMapStringE(key string) (map[string]map[string]string, error) {
+	result := map[string]map[string]string{}
+
+	interfacesVal, err := cast.ToStringMapE(v.Get(key))
+
+	if err != nil {
+		return result, err
+	}
+
+	for k, v := range interfacesVal {
+		result[k], err = cast.ToStringMapStringE(v)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return result, nil
+}
+
 // GetStringMapStringSlice returns the value associated with the key as a map to a slice of strings.
 func GetStringMapStringSlice(key string) map[string][]string { return v.GetStringMapStringSlice(key) }
 func (v *Viper) GetStringMapStringSlice(key string) map[string][]string {
@@ -957,7 +999,6 @@ func (v *Viper) BindPFlags(flags *pflag.FlagSet) error {
 //
 //	serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
 //	Viper.BindPFlag("port", serverCmd.Flags().Lookup("port"))
-//
 func BindPFlag(key string, flag *pflag.Flag) error { return v.BindPFlag(key, flag) }
 func (v *Viper) BindPFlag(key string, flag *pflag.Flag) error {
 	return v.BindFlagValue(key, pflagValue{flag})
@@ -980,7 +1021,6 @@ func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) {
 //
 //	serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
 //	Viper.BindFlagValue("port", serverCmd.Flags().Lookup("port"))
-//
 func BindFlagValue(key string, flag FlagValue) error { return v.BindFlagValue(key, flag) }
 func (v *Viper) BindFlagValue(key string, flag FlagValue) error {
 	if flag == nil {
@@ -1809,6 +1849,7 @@ func (v *Viper) AllKeys() []string {
 //   - each path is merged into a single key string, delimited with v.keyDelim (= ".")
 //   - if a path is shadowed by an earlier value in the initial shadow map,
 //     it is skipped.
+//
 // The resulting set of paths is merged to the given shadow set at the same time.
 func (v *Viper) flattenAndMergeMap(shadow map[string]bool, m map[string]interface{}, prefix string) map[string]bool {
 	if shadow != nil && prefix != "" && shadow[prefix] {