bson/array_codec.go
2025-03-17 20:58:26 +01:00

43 lines
1.3 KiB
Go

// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package bson
import (
"reflect"
"gitea.psichedelico.com/go/bson/x/bsonx/bsoncore"
)
// arrayCodec is the Codec used for bsoncore.Array values.
type arrayCodec struct{}
// EncodeValue is the ValueEncoder for bsoncore.Array values.
func (ac *arrayCodec) EncodeValue(_ EncodeContext, vw ValueWriter, val reflect.Value) error {
if !val.IsValid() || val.Type() != tCoreArray {
return ValueEncoderError{Name: "CoreArrayEncodeValue", Types: []reflect.Type{tCoreArray}, Received: val}
}
arr := val.Interface().(bsoncore.Array)
return copyArrayFromBytes(vw, arr)
}
// DecodeValue is the ValueDecoder for bsoncore.Array values.
func (ac *arrayCodec) DecodeValue(_ DecodeContext, vr ValueReader, val reflect.Value) error {
if !val.CanSet() || val.Type() != tCoreArray {
return ValueDecoderError{Name: "CoreArrayDecodeValue", Types: []reflect.Type{tCoreArray}, Received: val}
}
if val.IsNil() {
val.Set(reflect.MakeSlice(val.Type(), 0, 0))
}
val.SetLen(0)
arr, err := appendArrayBytes(val.Interface().(bsoncore.Array), vr)
val.Set(reflect.ValueOf(arr))
return err
}