45b9751aaf
* add atomic config helpers * generated protobuf * copy * disable grpc generation for protos * copy * deps * tidy --------- Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
// Copyright 2024 LiveKit, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package utils
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import (
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"reflect"
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)
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func DeepCopy[T any](v T) T {
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return deepCopy(reflect.ValueOf(v)).Interface().(T)
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}
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func deepCopy(v reflect.Value) reflect.Value {
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switch v.Type().Kind() {
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case reflect.Array:
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c := reflect.New(v.Type()).Elem()
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for i := range v.Len() {
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c.Index(i).Set(deepCopy(v.Index(i)))
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}
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return c
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case reflect.Map:
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if v.IsNil() {
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return v
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}
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c := reflect.MakeMap(v.Type())
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for mr := v.MapRange(); mr.Next(); {
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c.SetMapIndex(deepCopy(mr.Key()), deepCopy(mr.Value()))
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}
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return c
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case reflect.Pointer:
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if v.IsNil() {
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return v
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}
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c := reflect.New(v.Type().Elem())
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c.Elem().Set(deepCopy(v.Elem()))
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return c
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case reflect.Slice:
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if v.IsNil() {
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return v
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}
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c := reflect.MakeSlice(v.Type(), v.Len(), v.Cap())
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for i := range v.Len() {
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c.Index(i).Set(deepCopy(v.Index(i)))
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}
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return c
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case reflect.Struct:
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c := reflect.New(v.Type()).Elem()
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for i := range v.NumField() {
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if c.Field(i).CanSet() {
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c.Field(i).Set(deepCopy(v.Field(i)))
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}
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}
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return c
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default: // Bool, Chan, Complex128, Complex64, Float32, Float64, Func, Int, Int16, Int32, Int64, Int8, Interface, String, Uint, Uint16, Uint32, Uint64, Uint8, Uintptr, UnsafePointer
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return v
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}
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}
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