remove case insensitive methods

util.go

@@ -52,7 +52,7 @@ func copyAndInsensitiviseMap(m map[string]interface{}) map[string]interface{} {
 	nm := make(map[string]interface{})
 
 	for key, val := range m {
-		lkey := strings.ToLower(key)
+		lkey := key
 		switch v := val.(type) {
 		case map[interface{}]interface{}:
 			nm[lkey] = copyAndInsensitiviseMap(cast.ToStringMap(v))
@@ -66,28 +66,6 @@ func copyAndInsensitiviseMap(m map[string]interface{}) map[string]interface{} {
 	return nm
 }
 
-func insensitiviseMap(m map[string]interface{}) {
-	for key, val := range m {
-		switch val.(type) {
-		case map[interface{}]interface{}:
-			// nested map: cast and recursively insensitivise
-			val = cast.ToStringMap(val)
-			insensitiviseMap(val.(map[string]interface{}))
-		case map[string]interface{}:
-			// nested map: recursively insensitivise
-			insensitiviseMap(val.(map[string]interface{}))
-		}
-
-		lower := strings.ToLower(key)
-		if key != lower {
-			// remove old key (not lower-cased)
-			delete(m, key)
-		}
-		// update map
-		m[lower] = val
-	}
-}
-
 func absPathify(inPath string) string {
 	jww.INFO.Println("Trying to resolve absolute path to", inPath)
 

viper.go

@@ -481,7 +481,7 @@ func (v *Viper) searchMapWithPathPrefixes(source map[string]interface{}, path []
 
 	// search for path prefixes, starting from the longest one
 	for i := len(path); i > 0; i-- {
-		prefixKey := strings.ToLower(strings.Join(path[0:i], v.keyDelim))
+		prefixKey := strings.Join(path[0:i], v.keyDelim)
 
 		next, ok := source[prefixKey]
 		if ok {
@@ -611,7 +611,7 @@ func GetViper() *Viper {
 // Get returns an interface. For a specific value use one of the Get____ methods.
 func Get(key string) interface{} { return v.Get(key) }
 func (v *Viper) Get(key string) interface{} {
-	lcaseKey := strings.ToLower(key)
+	lcaseKey := key
 	val := v.find(lcaseKey)
 	if val == nil {
 		return nil
@@ -753,8 +753,6 @@ func (v *Viper) UnmarshalKey(key string, rawVal interface{}) error {
 		return err
 	}
 
-	v.insensitiviseMaps()
-
 	return nil
 }
 
@@ -768,8 +766,6 @@ func (v *Viper) Unmarshal(rawVal interface{}) error {
 		return err
 	}
 
-	v.insensitiviseMaps()
-
 	return nil
 }
 
@@ -808,8 +804,6 @@ func (v *Viper) UnmarshalExact(rawVal interface{}) error {
 		return err
 	}
 
-	v.insensitiviseMaps()
-
 	return nil
 }
 
@@ -854,7 +848,7 @@ func (v *Viper) BindFlagValue(key string, flag FlagValue) error {
 	if flag == nil {
 		return fmt.Errorf("flag for %q is nil", key)
 	}
-	v.pflags[strings.ToLower(key)] = flag
+	v.pflags[key] = flag
 	return nil
 }
 
@@ -869,7 +863,7 @@ func (v *Viper) BindEnv(input ...string) error {
 		return fmt.Errorf("BindEnv missing key to bind to")
 	}
 
-	key = strings.ToLower(input[0])
+	key = input[0]
 
 	if len(input) == 1 {
 		envkey = v.mergeWithEnvPrefix(key)
@@ -1019,7 +1013,7 @@ func readAsCSV(val string) ([]string, error) {
 // IsSet is case-insensitive for a key.
 func IsSet(key string) bool { return v.IsSet(key) }
 func (v *Viper) IsSet(key string) bool {
-	lcaseKey := strings.ToLower(key)
+	lcaseKey := key
 	val := v.find(lcaseKey)
 	return val != nil
 }
@@ -1043,11 +1037,11 @@ func (v *Viper) SetEnvKeyReplacer(r *strings.Replacer) {
 // This enables one to change a name without breaking the application
 func RegisterAlias(alias string, key string) { v.RegisterAlias(alias, key) }
 func (v *Viper) RegisterAlias(alias string, key string) {
-	v.registerAlias(alias, strings.ToLower(key))
+	v.registerAlias(alias, key)
 }
 
 func (v *Viper) registerAlias(alias string, key string) {
-	alias = strings.ToLower(alias)
+
 	if alias != key && alias != v.realKey(key) {
 		_, exists := v.aliases[alias]
 
@@ -1103,11 +1097,11 @@ func (v *Viper) InConfig(key string) bool {
 func SetDefault(key string, value interface{}) { v.SetDefault(key, value) }
 func (v *Viper) SetDefault(key string, value interface{}) {
 	// If alias passed in, then set the proper default
-	key = v.realKey(strings.ToLower(key))
+	key = v.realKey(key)
 	value = toCaseInsensitiveValue(value)
 
 	path := strings.Split(key, v.keyDelim)
-	lastKey := strings.ToLower(path[len(path)-1])
+	lastKey := path[len(path)-1]
 	deepestMap := deepSearch(v.defaults, path[0:len(path)-1])
 
 	// set innermost value
@@ -1121,11 +1115,11 @@ func (v *Viper) SetDefault(key string, value interface{}) {
 func Set(key string, value interface{}) { v.Set(key, value) }
 func (v *Viper) Set(key string, value interface{}) {
 	// If alias passed in, then set the proper override
-	key = v.realKey(strings.ToLower(key))
+	key = v.realKey(key)
 	value = toCaseInsensitiveValue(value)
 
 	path := strings.Split(key, v.keyDelim)
-	lastKey := strings.ToLower(path[len(path)-1])
+	lastKey := path[len(path)-1]
 	deepestMap := deepSearch(v.override, path[0:len(path)-1])
 
 	// set innermost value
@@ -1318,14 +1312,13 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error {
 			value, _ := v.properties.Get(key)
 			// recursively build nested maps
 			path := strings.Split(key, ".")
-			lastKey := strings.ToLower(path[len(path)-1])
+			lastKey := path[len(path)-1]
 			deepestMap := deepSearch(c, path[0:len(path)-1])
 			// set innermost value
 			deepestMap[lastKey] = value
 		}
 	}
 
-	insensitiviseMap(c)
 	return nil
 }
 
@@ -1396,10 +1389,8 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error {
 }
 
 func keyExists(k string, m map[string]interface{}) string {
-	lk := strings.ToLower(k)
 	for mk := range m {
-		lmk := strings.ToLower(mk)
+		if mk == k {
-		if lmk == lk {
 			return mk
 		}
 	}
@@ -1507,13 +1498,6 @@ func (v *Viper) WatchRemoteConfigOnChannel() error {
 	return v.watchKeyValueConfigOnChannel()
 }
 
-func (v *Viper) insensitiviseMaps() {
-	insensitiviseMap(v.config)
-	insensitiviseMap(v.defaults)
-	insensitiviseMap(v.override)
-	insensitiviseMap(v.kvstore)
-}
-
 // Retrieve the first found remote configuration.
 func (v *Viper) getKeyValueConfig() error {
 	if RemoteConfig == nil {
@@ -1629,7 +1613,7 @@ func (v *Viper) flattenAndMergeMap(shadow map[string]bool, m map[string]interfac
 			m2 = cast.ToStringMap(val)
 		default:
 			// immediate value
-			shadow[strings.ToLower(fullKey)] = true
+			shadow[fullKey] = true
 			continue
 		}
 		// recursively merge to shadow map
@@ -1655,7 +1639,7 @@ outer:
 			}
 		}
 		// add key
-		shadow[strings.ToLower(k)] = true
+		shadow[k] = true
 	}
 	return shadow
 }
@@ -1673,7 +1657,7 @@ func (v *Viper) AllSettings() map[string]interface{} {
 			continue
 		}
 		path := strings.Split(k, v.keyDelim)
-		lastKey := strings.ToLower(path[len(path)-1])
+		lastKey := path[len(path)-1]
 		deepestMap := deepSearch(m, path[0:len(path)-1])
 		// set innermost value
 		deepestMap[lastKey] = value