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// 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 bsoncodec
import (
"reflect"
"go.mongodb.org/mongo-driver/bson/bsonrw"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
)
// ArrayCodec is the Codec used for bsoncore.Array values.
//
// Deprecated: ArrayCodec will not be directly accessible in Go Driver 2.0.
type ArrayCodec struct{}
var defaultArrayCodec = NewArrayCodec()
// NewArrayCodec returns an ArrayCodec.
//
// Deprecated: NewArrayCodec will not be available in Go Driver 2.0. See
// [ArrayCodec] for more details.
func NewArrayCodec() *ArrayCodec {
return &ArrayCodec{}
}
// EncodeValue is the ValueEncoder for bsoncore.Array values.
func (ac *ArrayCodec) EncodeValue(_ EncodeContext, vw bsonrw.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 bsonrw.Copier{}.CopyArrayFromBytes(vw, arr)
}
// DecodeValue is the ValueDecoder for bsoncore.Array values.
func (ac *ArrayCodec) DecodeValue(_ DecodeContext, vr bsonrw.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 := bsonrw.Copier{}.AppendArrayBytes(val.Interface().(bsoncore.Array), vr)
val.Set(reflect.ValueOf(arr))
return err
}