65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package openapi3
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import "encoding/json"
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// StringMap is a map[string]string that ignores the origin in the underlying json representation.
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type StringMap[V any] map[string]V
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// UnmarshalJSON sets StringMap to a copy of data.
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func (stringMap *StringMap[V]) UnmarshalJSON(data []byte) (err error) {
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*stringMap, err = unmarshalStringMap[V](data)
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return
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}
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// unmarshalStringMapP unmarshals given json into a map[string]*V
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func unmarshalStringMapP[V any](data []byte) (map[string]*V, error) {
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var m map[string]any
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if err := json.Unmarshal(data, &m); err != nil {
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return nil, err
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}
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result := make(map[string]*V, len(m))
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for _, k := range componentNames(m) {
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value, err := deepCast[V](m[k])
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if err != nil {
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return nil, err
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}
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result[k] = value
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}
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return result, nil
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}
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// unmarshalStringMap unmarshals given json into a map[string]V
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func unmarshalStringMap[V any](data []byte) (map[string]V, error) {
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var m map[string]any
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if err := json.Unmarshal(data, &m); err != nil {
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return nil, err
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}
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result := make(map[string]V, len(m))
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for _, k := range componentNames(m) {
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value, err := deepCast[V](m[k])
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if err != nil {
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return nil, err
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}
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result[k] = *value
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}
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return result, nil
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}
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// deepCast casts any value to a value of type V.
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func deepCast[V any](value any) (*V, error) {
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data, err := json.Marshal(value)
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if err != nil {
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return nil, err
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}
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var result V
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if err = json.Unmarshal(data, &result); err != nil {
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return nil, err
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}
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return &result, nil
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}
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