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slice_codec_options.go
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/
slice_codec_options.go
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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 bsonoptions
// SliceCodecOptions represents all possible options for slice encoding and decoding.
//
// Deprecated: Use the bson.Encoder and bson.Decoder configuration methods to set the desired BSON marshal
// and unmarshal behavior instead.
type SliceCodecOptions struct {
EncodeNilAsEmpty *bool // Specifies if a nil slice should encode as an empty array instead of null. Defaults to false.
}
// SliceCodec creates a new *SliceCodecOptions
//
// Deprecated: Use the bson.Encoder and bson.Decoder configuration methods to set the desired BSON marshal
// and unmarshal behavior instead.
func SliceCodec() *SliceCodecOptions {
return &SliceCodecOptions{}
}
// SetEncodeNilAsEmpty specifies if a nil slice should encode as an empty array instead of null. Defaults to false.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.NilSliceAsEmpty] instead.
func (s *SliceCodecOptions) SetEncodeNilAsEmpty(b bool) *SliceCodecOptions {
s.EncodeNilAsEmpty = &b
return s
}
// MergeSliceCodecOptions combines the given *SliceCodecOptions into a single *SliceCodecOptions in a last one wins fashion.
//
// Deprecated: Merging options structs will not be supported in Go Driver 2.0. Users should create a
// single options struct instead.
func MergeSliceCodecOptions(opts ...*SliceCodecOptions) *SliceCodecOptions {
s := SliceCodec()
for _, opt := range opts {
if opt == nil {
continue
}
if opt.EncodeNilAsEmpty != nil {
s.EncodeNilAsEmpty = opt.EncodeNilAsEmpty
}
}
return s
}