mirror of https://github.com/dapr/kit.git
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package config
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import (
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"fmt"
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)
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// Normalize converts map[interface{}]interface{} to map[string]interface{} to normalize
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// for JSON and usage in component initialization.
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//
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//nolint:cyclop
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func Normalize(i interface{}) (interface{}, error) {
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var err error
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switch x := i.(type) {
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case map[interface{}]interface{}:
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m2 := map[string]interface{}{}
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for k, v := range x {
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if strKey, ok := k.(string); ok {
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if m2[strKey], err = Normalize(v); err != nil {
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return nil, err
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}
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} else {
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return nil, fmt.Errorf("error parsing config field: %v", k)
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}
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}
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return m2, nil
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case map[string]interface{}:
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m2 := map[string]interface{}{}
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for k, v := range x {
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if m2[k], err = Normalize(v); err != nil {
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return nil, err
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}
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}
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return m2, nil
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case []interface{}:
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for i, v := range x {
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if x[i], err = Normalize(v); err != nil {
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return nil, err
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}
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}
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}
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return i, nil
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}
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