51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package maputil
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import "fmt"
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func CastKeysToStrings(s interface{}) (map[string]interface{}, error) {
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new := map[string]interface{}{}
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switch src := s.(type) {
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case map[interface{}]interface{}:
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for k, v := range src {
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var str_k string
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switch typed_k := k.(type) {
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case string:
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str_k = typed_k
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default:
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return nil, fmt.Errorf("unexpected type of key in map: expected string, got %T: value=%v, map=%v", typed_k, typed_k, src)
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}
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var casted_v interface{}
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switch typed_v := v.(type) {
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case map[interface{}]interface{}:
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tmp, err := CastKeysToStrings(typed_v)
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if err != nil {
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return nil, err
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}
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casted_v = tmp
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default:
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casted_v = typed_v
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}
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new[str_k] = casted_v
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}
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case map[string]interface{}:
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for k, v := range src {
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var casted_v interface{}
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switch typed_v := v.(type) {
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case map[interface{}]interface{}:
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tmp, err := CastKeysToStrings(typed_v)
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if err != nil {
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return nil, err
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}
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casted_v = tmp
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default:
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casted_v = typed_v
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}
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new[k] = casted_v
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}
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}
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return new, nil
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}
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