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struct_codec_options.go
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struct_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
// StructCodecOptions represents all possible options for struct encoding and decoding.
type StructCodecOptions struct {
DecodeZeroStruct *bool // Specifies if structs should be zeroed before decoding into them. Defaults to false.
DecodeDeepZeroInline *bool // Specifies if structs should be recursively zeroed when a inline value is decoded. Defaults to false.
EncodeOmitDefaultStruct *bool // Specifies if default structs should be considered empty by omitempty. Defaults to false.
AllowUnexportedFields *bool // Specifies if unexported fields should be marshaled/unmarshaled. Defaults to false.
}
// StructCodec creates a new *StructCodecOptions
func StructCodec() *StructCodecOptions {
return &StructCodecOptions{}
}
// SetDecodeZeroStruct specifies if structs should be zeroed before decoding into them. Defaults to false.
func (t *StructCodecOptions) SetDecodeZeroStruct(b bool) *StructCodecOptions {
t.DecodeZeroStruct = &b
return t
}
// SetDecodeDeepZeroInline specifies if structs should be zeroed before decoding into them. Defaults to false.
func (t *StructCodecOptions) SetDecodeDeepZeroInline(b bool) *StructCodecOptions {
t.DecodeDeepZeroInline = &b
return t
}
// SetEncodeOmitDefaultStruct specifies if default structs should be considered empty by omitempty. A default struct has all
// its values set to their default value. Defaults to false.
func (t *StructCodecOptions) SetEncodeOmitDefaultStruct(b bool) *StructCodecOptions {
t.EncodeOmitDefaultStruct = &b
return t
}
// SetAllowUnexportedFields specifies if unexported fields should be marshaled/unmarshaled. Defaults to false.
func (t *StructCodecOptions) SetAllowUnexportedFields(b bool) *StructCodecOptions {
t.AllowUnexportedFields = &b
return t
}
// MergeStructCodecOptions combines the given *StructCodecOptions into a single *StructCodecOptions in a last one wins fashion.
func MergeStructCodecOptions(opts ...*StructCodecOptions) *StructCodecOptions {
s := StructCodec()
for _, opt := range opts {
if opt == nil {
continue
}
if opt.DecodeZeroStruct != nil {
s.DecodeZeroStruct = opt.DecodeZeroStruct
}
if opt.DecodeDeepZeroInline != nil {
s.DecodeDeepZeroInline = opt.DecodeDeepZeroInline
}
if opt.EncodeOmitDefaultStruct != nil {
s.EncodeOmitDefaultStruct = opt.EncodeOmitDefaultStruct
}
if opt.AllowUnexportedFields != nil {
s.AllowUnexportedFields = opt.AllowUnexportedFields
}
}
return s
}