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vendor: move vendored sources in-tree

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This should make it easier to see changes instead of just a blob
This commit is contained in:
Adam Majer
2025-08-25 19:43:16 +02:00
parent 7e055c3169
commit 082db173f3
634 changed files with 148182 additions and 20 deletions
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382
vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/bsoncodec.go generated vendored Normal file
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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 "go.mongodb.org/mongo-driver/bson/bsoncodec"
import (
"fmt"
"reflect"
"strings"
"go.mongodb.org/mongo-driver/bson/bsonrw"
"go.mongodb.org/mongo-driver/bson/bsontype"
"go.mongodb.org/mongo-driver/bson/primitive"
)
var (
emptyValue = reflect.Value{}
)
// Marshaler is an interface implemented by types that can marshal themselves
// into a BSON document represented as bytes. The bytes returned must be a valid
// BSON document if the error is nil.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Marshaler] instead.
type Marshaler interface {
MarshalBSON() ([]byte, error)
}
// ValueMarshaler is an interface implemented by types that can marshal
// themselves into a BSON value as bytes. The type must be the valid type for
// the bytes returned. The bytes and byte type together must be valid if the
// error is nil.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.ValueMarshaler] instead.
type ValueMarshaler interface {
MarshalBSONValue() (bsontype.Type, []byte, error)
}
// Unmarshaler is an interface implemented by types that can unmarshal a BSON
// document representation of themselves. The BSON bytes can be assumed to be
// valid. UnmarshalBSON must copy the BSON bytes if it wishes to retain the data
// after returning.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Unmarshaler] instead.
type Unmarshaler interface {
UnmarshalBSON([]byte) error
}
// ValueUnmarshaler is an interface implemented by types that can unmarshal a
// BSON value representation of themselves. The BSON bytes and type can be
// assumed to be valid. UnmarshalBSONValue must copy the BSON value bytes if it
// wishes to retain the data after returning.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.ValueUnmarshaler] instead.
type ValueUnmarshaler interface {
UnmarshalBSONValue(bsontype.Type, []byte) error
}
// ValueEncoderError is an error returned from a ValueEncoder when the provided value can't be
// encoded by the ValueEncoder.
type ValueEncoderError struct {
Name string
Types []reflect.Type
Kinds []reflect.Kind
Received reflect.Value
}
func (vee ValueEncoderError) Error() string {
typeKinds := make([]string, 0, len(vee.Types)+len(vee.Kinds))
for _, t := range vee.Types {
typeKinds = append(typeKinds, t.String())
}
for _, k := range vee.Kinds {
if k == reflect.Map {
typeKinds = append(typeKinds, "map[string]*")
continue
}
typeKinds = append(typeKinds, k.String())
}
received := vee.Received.Kind().String()
if vee.Received.IsValid() {
received = vee.Received.Type().String()
}
return fmt.Sprintf("%s can only encode valid %s, but got %s", vee.Name, strings.Join(typeKinds, ", "), received)
}
// ValueDecoderError is an error returned from a ValueDecoder when the provided value can't be
// decoded by the ValueDecoder.
type ValueDecoderError struct {
Name string
Types []reflect.Type
Kinds []reflect.Kind
Received reflect.Value
}
func (vde ValueDecoderError) Error() string {
typeKinds := make([]string, 0, len(vde.Types)+len(vde.Kinds))
for _, t := range vde.Types {
typeKinds = append(typeKinds, t.String())
}
for _, k := range vde.Kinds {
if k == reflect.Map {
typeKinds = append(typeKinds, "map[string]*")
continue
}
typeKinds = append(typeKinds, k.String())
}
received := vde.Received.Kind().String()
if vde.Received.IsValid() {
received = vde.Received.Type().String()
}
return fmt.Sprintf("%s can only decode valid and settable %s, but got %s", vde.Name, strings.Join(typeKinds, ", "), received)
}
// EncodeContext is the contextual information required for a Codec to encode a
// value.
type EncodeContext struct {
*Registry
// MinSize causes the Encoder to marshal Go integer values (int, int8, int16, int32, int64,
// uint, uint8, uint16, uint32, or uint64) as the minimum BSON int size (either 32 or 64 bits)
// that can represent the integer value.
//
// Deprecated: Use bson.Encoder.IntMinSize instead.
MinSize bool
errorOnInlineDuplicates bool
stringifyMapKeysWithFmt bool
nilMapAsEmpty bool
nilSliceAsEmpty bool
nilByteSliceAsEmpty bool
omitZeroStruct bool
useJSONStructTags bool
}
// ErrorOnInlineDuplicates causes the Encoder to return an error if there is a duplicate field in
// the marshaled BSON when the "inline" struct tag option is set.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.ErrorOnInlineDuplicates] instead.
func (ec *EncodeContext) ErrorOnInlineDuplicates() {
ec.errorOnInlineDuplicates = true
}
// StringifyMapKeysWithFmt causes the Encoder to convert Go map keys to BSON document field name
// strings using fmt.Sprintf() instead of the default string conversion logic.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.StringifyMapKeysWithFmt] instead.
func (ec *EncodeContext) StringifyMapKeysWithFmt() {
ec.stringifyMapKeysWithFmt = true
}
// NilMapAsEmpty causes the Encoder to marshal nil Go maps as empty BSON documents instead of BSON
// null.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.NilMapAsEmpty] instead.
func (ec *EncodeContext) NilMapAsEmpty() {
ec.nilMapAsEmpty = true
}
// NilSliceAsEmpty causes the Encoder to marshal nil Go slices as empty BSON arrays instead of BSON
// null.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.NilSliceAsEmpty] instead.
func (ec *EncodeContext) NilSliceAsEmpty() {
ec.nilSliceAsEmpty = true
}
// NilByteSliceAsEmpty causes the Encoder to marshal nil Go byte slices as empty BSON binary values
// instead of BSON null.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.NilByteSliceAsEmpty] instead.
func (ec *EncodeContext) NilByteSliceAsEmpty() {
ec.nilByteSliceAsEmpty = true
}
// OmitZeroStruct causes the Encoder to consider the zero value for a struct (e.g. MyStruct{})
// as empty and omit it from the marshaled BSON when the "omitempty" struct tag option is set.
//
// Note that the Encoder only examines exported struct fields when determining if a struct is the
// zero value. It considers pointers to a zero struct value (e.g. &MyStruct{}) not empty.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.OmitZeroStruct] instead.
func (ec *EncodeContext) OmitZeroStruct() {
ec.omitZeroStruct = true
}
// UseJSONStructTags causes the Encoder to fall back to using the "json" struct tag if a "bson"
// struct tag is not specified.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Encoder.UseJSONStructTags] instead.
func (ec *EncodeContext) UseJSONStructTags() {
ec.useJSONStructTags = true
}
// DecodeContext is the contextual information required for a Codec to decode a
// value.
type DecodeContext struct {
*Registry
// Truncate, if true, instructs decoders to to truncate the fractional part of BSON "double"
// values when attempting to unmarshal them into a Go integer (int, int8, int16, int32, int64,
// uint, uint8, uint16, uint32, or uint64) struct field. The truncation logic does not apply to
// BSON "decimal128" values.
//
// Deprecated: Use bson.Decoder.AllowTruncatingDoubles instead.
Truncate bool
// Ancestor is the type of a containing document. This is mainly used to determine what type
// should be used when decoding an embedded document into an empty interface. For example, if
// Ancestor is a bson.M, BSON embedded document values being decoded into an empty interface
// will be decoded into a bson.M.
//
// Deprecated: Use bson.Decoder.DefaultDocumentM or bson.Decoder.DefaultDocumentD instead.
Ancestor reflect.Type
// defaultDocumentType specifies the Go type to decode top-level and nested BSON documents into. In particular, the
// usage for this field is restricted to data typed as "interface{}" or "map[string]interface{}". If DocumentType is
// set to a type that a BSON document cannot be unmarshaled into (e.g. "string"), unmarshalling will result in an
// error. DocumentType overrides the Ancestor field.
defaultDocumentType reflect.Type
binaryAsSlice bool
useJSONStructTags bool
useLocalTimeZone bool
zeroMaps bool
zeroStructs bool
}
// BinaryAsSlice causes the Decoder to unmarshal BSON binary field values that are the "Generic" or
// "Old" BSON binary subtype as a Go byte slice instead of a primitive.Binary.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.BinaryAsSlice] instead.
func (dc *DecodeContext) BinaryAsSlice() {
dc.binaryAsSlice = true
}
// UseJSONStructTags causes the Decoder to fall back to using the "json" struct tag if a "bson"
// struct tag is not specified.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.UseJSONStructTags] instead.
func (dc *DecodeContext) UseJSONStructTags() {
dc.useJSONStructTags = true
}
// UseLocalTimeZone causes the Decoder to unmarshal time.Time values in the local timezone instead
// of the UTC timezone.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.UseLocalTimeZone] instead.
func (dc *DecodeContext) UseLocalTimeZone() {
dc.useLocalTimeZone = true
}
// ZeroMaps causes the Decoder to delete any existing values from Go maps in the destination value
// passed to Decode before unmarshaling BSON documents into them.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.ZeroMaps] instead.
func (dc *DecodeContext) ZeroMaps() {
dc.zeroMaps = true
}
// ZeroStructs causes the Decoder to delete any existing values from Go structs in the destination
// value passed to Decode before unmarshaling BSON documents into them.
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.ZeroStructs] instead.
func (dc *DecodeContext) ZeroStructs() {
dc.zeroStructs = true
}
// DefaultDocumentM causes the Decoder to always unmarshal documents into the primitive.M type. This
// behavior is restricted to data typed as "interface{}" or "map[string]interface{}".
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.DefaultDocumentM] instead.
func (dc *DecodeContext) DefaultDocumentM() {
dc.defaultDocumentType = reflect.TypeOf(primitive.M{})
}
// DefaultDocumentD causes the Decoder to always unmarshal documents into the primitive.D type. This
// behavior is restricted to data typed as "interface{}" or "map[string]interface{}".
//
// Deprecated: Use [go.mongodb.org/mongo-driver/bson.Decoder.DefaultDocumentD] instead.
func (dc *DecodeContext) DefaultDocumentD() {
dc.defaultDocumentType = reflect.TypeOf(primitive.D{})
}
// ValueCodec is an interface for encoding and decoding a reflect.Value.
// values.
//
// Deprecated: Use [ValueEncoder] and [ValueDecoder] instead.
type ValueCodec interface {
ValueEncoder
ValueDecoder
}
// ValueEncoder is the interface implemented by types that can handle the encoding of a value.
type ValueEncoder interface {
EncodeValue(EncodeContext, bsonrw.ValueWriter, reflect.Value) error
}
// ValueEncoderFunc is an adapter function that allows a function with the correct signature to be
// used as a ValueEncoder.
type ValueEncoderFunc func(EncodeContext, bsonrw.ValueWriter, reflect.Value) error
// EncodeValue implements the ValueEncoder interface.
func (fn ValueEncoderFunc) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
return fn(ec, vw, val)
}
// ValueDecoder is the interface implemented by types that can handle the decoding of a value.
type ValueDecoder interface {
DecodeValue(DecodeContext, bsonrw.ValueReader, reflect.Value) error
}
// ValueDecoderFunc is an adapter function that allows a function with the correct signature to be
// used as a ValueDecoder.
type ValueDecoderFunc func(DecodeContext, bsonrw.ValueReader, reflect.Value) error
// DecodeValue implements the ValueDecoder interface.
func (fn ValueDecoderFunc) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
return fn(dc, vr, val)
}
// typeDecoder is the interface implemented by types that can handle the decoding of a value given its type.
type typeDecoder interface {
decodeType(DecodeContext, bsonrw.ValueReader, reflect.Type) (reflect.Value, error)
}
// typeDecoderFunc is an adapter function that allows a function with the correct signature to be used as a typeDecoder.
type typeDecoderFunc func(DecodeContext, bsonrw.ValueReader, reflect.Type) (reflect.Value, error)
func (fn typeDecoderFunc) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
return fn(dc, vr, t)
}
// decodeAdapter allows two functions with the correct signatures to be used as both a ValueDecoder and typeDecoder.
type decodeAdapter struct {
ValueDecoderFunc
typeDecoderFunc
}
var _ ValueDecoder = decodeAdapter{}
var _ typeDecoder = decodeAdapter{}
// decodeTypeOrValue calls decoder.decodeType is decoder is a typeDecoder. Otherwise, it allocates a new element of type
// t and calls decoder.DecodeValue on it.
func decodeTypeOrValue(decoder ValueDecoder, dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
td, _ := decoder.(typeDecoder)
return decodeTypeOrValueWithInfo(decoder, td, dc, vr, t, true)
}
func decodeTypeOrValueWithInfo(vd ValueDecoder, td typeDecoder, dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type, convert bool) (reflect.Value, error) {
if td != nil {
val, err := td.decodeType(dc, vr, t)
if err == nil && convert && val.Type() != t {
// This conversion step is necessary for slices and maps. If a user declares variables like:
//
// type myBool bool
// var m map[string]myBool
//
// and tries to decode BSON bytes into the map, the decoding will fail if this conversion is not present
// because we'll try to assign a value of type bool to one of type myBool.
val = val.Convert(t)
}
return val, err
}
val := reflect.New(t).Elem()
err := vd.DecodeValue(dc, vr, val)
return val, err
}
// CodecZeroer is the interface implemented by Codecs that can also determine if
// a value of the type that would be encoded is zero.
//
// Deprecated: Defining custom rules for the zero/empty value will not be supported in Go Driver
// 2.0. Users who want to omit empty complex values should use a pointer field and set the value to
// nil instead.
type CodecZeroer interface {
IsTypeZero(interface{}) bool
}