diff options
Diffstat (limited to 'src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go')
| -rw-r--r-- | src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go b/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go deleted file mode 100644 index 39ebfc7ecd3..00000000000 --- a/src/mongo/gotools/src/github.com/mongodb/mongo-tools/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/default_value_encoders.go +++ /dev/null @@ -1,648 +0,0 @@ -// 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 ( - "encoding/json" - "errors" - "fmt" - "math" - "net/url" - "reflect" - "sync" - "time" - - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" - "go.mongodb.org/mongo-driver/bson/primitive" - "go.mongodb.org/mongo-driver/x/bsonx/bsoncore" -) - -var defaultValueEncoders DefaultValueEncoders - -var bvwPool = bsonrw.NewBSONValueWriterPool() - -var sliceWriterPool = sync.Pool{ - New: func() interface{} { - sw := make(bsonrw.SliceWriter, 0, 0) - return &sw - }, -} - -func encodeElement(ec EncodeContext, dw bsonrw.DocumentWriter, e primitive.E) error { - vw, err := dw.WriteDocumentElement(e.Key) - if err != nil { - return err - } - - if e.Value == nil { - return vw.WriteNull() - } - encoder, err := ec.LookupEncoder(reflect.TypeOf(e.Value)) - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, reflect.ValueOf(e.Value)) - if err != nil { - return err - } - return nil -} - -// DefaultValueEncoders is a namespace type for the default ValueEncoders used -// when creating a registry. -type DefaultValueEncoders struct{} - -// RegisterDefaultEncoders will register the encoder methods attached to DefaultValueEncoders with -// the provided RegistryBuilder. -func (dve DefaultValueEncoders) RegisterDefaultEncoders(rb *RegistryBuilder) { - if rb == nil { - panic(errors.New("argument to RegisterDefaultEncoders must not be nil")) - } - rb. - RegisterEncoder(tByteSlice, ValueEncoderFunc(dve.ByteSliceEncodeValue)). - RegisterEncoder(tTime, ValueEncoderFunc(dve.TimeEncodeValue)). - RegisterEncoder(tEmpty, ValueEncoderFunc(dve.EmptyInterfaceEncodeValue)). - RegisterEncoder(tOID, ValueEncoderFunc(dve.ObjectIDEncodeValue)). - RegisterEncoder(tDecimal, ValueEncoderFunc(dve.Decimal128EncodeValue)). - RegisterEncoder(tJSONNumber, ValueEncoderFunc(dve.JSONNumberEncodeValue)). - RegisterEncoder(tURL, ValueEncoderFunc(dve.URLEncodeValue)). - RegisterEncoder(tValueMarshaler, ValueEncoderFunc(dve.ValueMarshalerEncodeValue)). - RegisterEncoder(tMarshaler, ValueEncoderFunc(dve.MarshalerEncodeValue)). - RegisterEncoder(tProxy, ValueEncoderFunc(dve.ProxyEncodeValue)). - RegisterEncoder(tJavaScript, ValueEncoderFunc(dve.JavaScriptEncodeValue)). - RegisterEncoder(tSymbol, ValueEncoderFunc(dve.SymbolEncodeValue)). - RegisterEncoder(tBinary, ValueEncoderFunc(dve.BinaryEncodeValue)). - RegisterEncoder(tUndefined, ValueEncoderFunc(dve.UndefinedEncodeValue)). - RegisterEncoder(tDateTime, ValueEncoderFunc(dve.DateTimeEncodeValue)). - RegisterEncoder(tNull, ValueEncoderFunc(dve.NullEncodeValue)). - RegisterEncoder(tRegex, ValueEncoderFunc(dve.RegexEncodeValue)). - RegisterEncoder(tDBPointer, ValueEncoderFunc(dve.DBPointerEncodeValue)). - RegisterEncoder(tTimestamp, ValueEncoderFunc(dve.TimestampEncodeValue)). - RegisterEncoder(tMinKey, ValueEncoderFunc(dve.MinKeyEncodeValue)). - RegisterEncoder(tMaxKey, ValueEncoderFunc(dve.MaxKeyEncodeValue)). - RegisterEncoder(tCoreDocument, ValueEncoderFunc(dve.CoreDocumentEncodeValue)). - RegisterEncoder(tCodeWithScope, ValueEncoderFunc(dve.CodeWithScopeEncodeValue)). - RegisterDefaultEncoder(reflect.Bool, ValueEncoderFunc(dve.BooleanEncodeValue)). - RegisterDefaultEncoder(reflect.Int, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int8, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int16, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int32, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Int64, ValueEncoderFunc(dve.IntEncodeValue)). - RegisterDefaultEncoder(reflect.Uint, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint8, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint16, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint32, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Uint64, ValueEncoderFunc(dve.UintEncodeValue)). - RegisterDefaultEncoder(reflect.Float32, ValueEncoderFunc(dve.FloatEncodeValue)). - RegisterDefaultEncoder(reflect.Float64, ValueEncoderFunc(dve.FloatEncodeValue)). - RegisterDefaultEncoder(reflect.Array, ValueEncoderFunc(dve.ArrayEncodeValue)). - RegisterDefaultEncoder(reflect.Map, ValueEncoderFunc(dve.MapEncodeValue)). - RegisterDefaultEncoder(reflect.Slice, ValueEncoderFunc(dve.SliceEncodeValue)). - RegisterDefaultEncoder(reflect.String, ValueEncoderFunc(dve.StringEncodeValue)). - RegisterDefaultEncoder(reflect.Struct, &StructCodec{cache: make(map[reflect.Type]*structDescription), parser: DefaultStructTagParser}). - RegisterDefaultEncoder(reflect.Ptr, NewPointerCodec()) -} - -// BooleanEncodeValue is the ValueEncoderFunc for bool types. -func (dve DefaultValueEncoders) BooleanEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Bool { - return ValueEncoderError{Name: "BooleanEncodeValue", Kinds: []reflect.Kind{reflect.Bool}, Received: val} - } - return vw.WriteBoolean(val.Bool()) -} - -func fitsIn32Bits(i int64) bool { - return math.MinInt32 <= i && i <= math.MaxInt32 -} - -// IntEncodeValue is the ValueEncoderFunc for int types. -func (dve DefaultValueEncoders) IntEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Int8, reflect.Int16, reflect.Int32: - return vw.WriteInt32(int32(val.Int())) - case reflect.Int: - i64 := val.Int() - if fitsIn32Bits(i64) { - return vw.WriteInt32(int32(i64)) - } - return vw.WriteInt64(i64) - case reflect.Int64: - i64 := val.Int() - if ec.MinSize && fitsIn32Bits(i64) { - return vw.WriteInt32(int32(i64)) - } - return vw.WriteInt64(i64) - } - - return ValueEncoderError{ - Name: "IntEncodeValue", - Kinds: []reflect.Kind{reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int}, - Received: val, - } -} - -// UintEncodeValue is the ValueEncoderFunc for uint types. -func (dve DefaultValueEncoders) UintEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Uint8, reflect.Uint16: - return vw.WriteInt32(int32(val.Uint())) - case reflect.Uint, reflect.Uint32, reflect.Uint64: - u64 := val.Uint() - if ec.MinSize && u64 <= math.MaxInt32 { - return vw.WriteInt32(int32(u64)) - } - if u64 > math.MaxInt64 { - return fmt.Errorf("%d overflows int64", u64) - } - return vw.WriteInt64(int64(u64)) - } - - return ValueEncoderError{ - Name: "UintEncodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: val, - } -} - -// FloatEncodeValue is the ValueEncoderFunc for float types. -func (dve DefaultValueEncoders) FloatEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - switch val.Kind() { - case reflect.Float32, reflect.Float64: - return vw.WriteDouble(val.Float()) - } - - return ValueEncoderError{Name: "FloatEncodeValue", Kinds: []reflect.Kind{reflect.Float32, reflect.Float64}, Received: val} -} - -// StringEncodeValue is the ValueEncoderFunc for string types. -func (dve DefaultValueEncoders) StringEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if val.Kind() != reflect.String { - return ValueEncoderError{ - Name: "StringEncodeValue", - Kinds: []reflect.Kind{reflect.String}, - Received: val, - } - } - - return vw.WriteString(val.String()) -} - -// ObjectIDEncodeValue is the ValueEncoderFunc for primitive.ObjectID. -func (dve DefaultValueEncoders) ObjectIDEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tOID { - return ValueEncoderError{Name: "ObjectIDEncodeValue", Types: []reflect.Type{tOID}, Received: val} - } - return vw.WriteObjectID(val.Interface().(primitive.ObjectID)) -} - -// Decimal128EncodeValue is the ValueEncoderFunc for primitive.Decimal128. -func (dve DefaultValueEncoders) Decimal128EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDecimal { - return ValueEncoderError{Name: "Decimal128EncodeValue", Types: []reflect.Type{tDecimal}, Received: val} - } - return vw.WriteDecimal128(val.Interface().(primitive.Decimal128)) -} - -// JSONNumberEncodeValue is the ValueEncoderFunc for json.Number. -func (dve DefaultValueEncoders) JSONNumberEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tJSONNumber { - return ValueEncoderError{Name: "JSONNumberEncodeValue", Types: []reflect.Type{tJSONNumber}, Received: val} - } - jsnum := val.Interface().(json.Number) - - // Attempt int first, then float64 - if i64, err := jsnum.Int64(); err == nil { - return dve.IntEncodeValue(ec, vw, reflect.ValueOf(i64)) - } - - f64, err := jsnum.Float64() - if err != nil { - return err - } - - return dve.FloatEncodeValue(ec, vw, reflect.ValueOf(f64)) -} - -// URLEncodeValue is the ValueEncoderFunc for url.URL. -func (dve DefaultValueEncoders) URLEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tURL { - return ValueEncoderError{Name: "URLEncodeValue", Types: []reflect.Type{tURL}, Received: val} - } - u := val.Interface().(url.URL) - return vw.WriteString(u.String()) -} - -// TimeEncodeValue is the ValueEncoderFunc for time.TIme. -func (dve DefaultValueEncoders) TimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tTime { - return ValueEncoderError{Name: "TimeEncodeValue", Types: []reflect.Type{tTime}, Received: val} - } - tt := val.Interface().(time.Time) - return vw.WriteDateTime(tt.Unix()*1000 + int64(tt.Nanosecond()/1e6)) -} - -// ByteSliceEncodeValue is the ValueEncoderFunc for []byte. -func (dve DefaultValueEncoders) ByteSliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tByteSlice { - return ValueEncoderError{Name: "ByteSliceEncodeValue", Types: []reflect.Type{tByteSlice}, Received: val} - } - if val.IsNil() { - return vw.WriteNull() - } - return vw.WriteBinary(val.Interface().([]byte)) -} - -// MapEncodeValue is the ValueEncoderFunc for map[string]* types. -func (dve DefaultValueEncoders) MapEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Map || val.Type().Key().Kind() != reflect.String { - return ValueEncoderError{Name: "MapEncodeValue", Kinds: []reflect.Kind{reflect.Map}, Received: val} - } - - if val.IsNil() { - // If we have a nill map but we can't WriteNull, that means we're probably trying to encode - // to a TopLevel document. We can't currently tell if this is what actually happened, but if - // there's a deeper underlying problem, the error will also be returned from WriteDocument, - // so just continue. The operations on a map reflection value are valid, so we can call - // MapKeys within mapEncodeValue without a problem. - err := vw.WriteNull() - if err == nil { - return nil - } - } - - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - return dve.mapEncodeValue(ec, dw, val, nil) -} - -// mapEncodeValue handles encoding of the values of a map. The collisionFn returns -// true if the provided key exists, this is mainly used for inline maps in the -// struct codec. -func (dve DefaultValueEncoders) mapEncodeValue(ec EncodeContext, dw bsonrw.DocumentWriter, val reflect.Value, collisionFn func(string) bool) error { - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - keys := val.MapKeys() - for _, key := range keys { - if collisionFn != nil && collisionFn(key.String()) { - return fmt.Errorf("Key %s of inlined map conflicts with a struct field name", key) - } - vw, err := dw.WriteDocumentElement(key.String()) - if err != nil { - return err - } - - if enc, ok := encoder.(ValueEncoder); ok { - err = enc.EncodeValue(ec, vw, val.MapIndex(key)) - if err != nil { - return err - } - continue - } - err = encoder.EncodeValue(ec, vw, val.MapIndex(key)) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() -} - -// ArrayEncodeValue is the ValueEncoderFunc for array types. -func (dve DefaultValueEncoders) ArrayEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Array { - return ValueEncoderError{Name: "ArrayEncodeValue", Kinds: []reflect.Kind{reflect.Array}, Received: val} - } - - // If we have a []primitive.E we want to treat it as a document instead of as an array. - if val.Type().Elem() == tE { - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - e := val.Index(idx).Interface().(primitive.E) - err = encodeElement(ec, dw, e) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() - } - - aw, err := vw.WriteArray() - if err != nil { - return err - } - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - vw, err := aw.WriteArrayElement() - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, val.Index(idx)) - if err != nil { - return err - } - } - return aw.WriteArrayEnd() -} - -// SliceEncodeValue is the ValueEncoderFunc for slice types. -func (dve DefaultValueEncoders) SliceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Kind() != reflect.Slice { - return ValueEncoderError{Name: "SliceEncodeValue", Kinds: []reflect.Kind{reflect.Slice}, Received: val} - } - - if val.IsNil() { - return vw.WriteNull() - } - - // If we have a []primitive.E we want to treat it as a document instead of as an array. - if val.Type().ConvertibleTo(tD) { - d := val.Convert(tD).Interface().(primitive.D) - - dw, err := vw.WriteDocument() - if err != nil { - return err - } - - for _, e := range d { - err = encodeElement(ec, dw, e) - if err != nil { - return err - } - } - - return dw.WriteDocumentEnd() - } - - aw, err := vw.WriteArray() - if err != nil { - return err - } - - encoder, err := ec.LookupEncoder(val.Type().Elem()) - if err != nil { - return err - } - - for idx := 0; idx < val.Len(); idx++ { - vw, err := aw.WriteArrayElement() - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, vw, val.Index(idx)) - if err != nil { - return err - } - } - return aw.WriteArrayEnd() -} - -// EmptyInterfaceEncodeValue is the ValueEncoderFunc for interface{}. -func (dve DefaultValueEncoders) EmptyInterfaceEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tEmpty { - return ValueEncoderError{Name: "EmptyInterfaceEncodeValue", Types: []reflect.Type{tEmpty}, Received: val} - } - - if val.IsNil() { - return vw.WriteNull() - } - encoder, err := ec.LookupEncoder(val.Elem().Type()) - if err != nil { - return err - } - - return encoder.EncodeValue(ec, vw, val.Elem()) -} - -// ValueMarshalerEncodeValue is the ValueEncoderFunc for ValueMarshaler implementations. -func (dve DefaultValueEncoders) ValueMarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tValueMarshaler) { - return ValueEncoderError{Name: "ValueMarshalerEncodeValue", Types: []reflect.Type{tValueMarshaler}, Received: val} - } - - fn := val.Convert(tValueMarshaler).MethodByName("MarshalBSONValue") - returns := fn.Call(nil) - if !returns[2].IsNil() { - return returns[2].Interface().(error) - } - t, data := returns[0].Interface().(bsontype.Type), returns[1].Interface().([]byte) - return bsonrw.Copier{}.CopyValueFromBytes(vw, t, data) -} - -// MarshalerEncodeValue is the ValueEncoderFunc for Marshaler implementations. -func (dve DefaultValueEncoders) MarshalerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tMarshaler) { - return ValueEncoderError{Name: "MarshalerEncodeValue", Types: []reflect.Type{tMarshaler}, Received: val} - } - - fn := val.Convert(tMarshaler).MethodByName("MarshalBSON") - returns := fn.Call(nil) - if !returns[1].IsNil() { - return returns[1].Interface().(error) - } - data := returns[0].Interface().([]byte) - return bsonrw.Copier{}.CopyValueFromBytes(vw, bsontype.EmbeddedDocument, data) -} - -// ProxyEncodeValue is the ValueEncoderFunc for Proxy implementations. -func (dve DefaultValueEncoders) ProxyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || !val.Type().Implements(tProxy) { - return ValueEncoderError{Name: "ProxyEncodeValue", Types: []reflect.Type{tProxy}, Received: val} - } - - fn := val.Convert(tProxy).MethodByName("ProxyBSON") - returns := fn.Call(nil) - if !returns[1].IsNil() { - return returns[1].Interface().(error) - } - data := returns[0] - var encoder ValueEncoder - var err error - if data.Elem().IsValid() { - encoder, err = ec.LookupEncoder(data.Elem().Type()) - } else { - encoder, err = ec.LookupEncoder(nil) - } - if err != nil { - return err - } - return encoder.EncodeValue(ec, vw, data.Elem()) -} - -// JavaScriptEncodeValue is the ValueEncoderFunc for the primitive.JavaScript type. -func (DefaultValueEncoders) JavaScriptEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tJavaScript { - return ValueEncoderError{Name: "JavaScriptEncodeValue", Types: []reflect.Type{tJavaScript}, Received: val} - } - - return vw.WriteJavascript(val.String()) -} - -// SymbolEncodeValue is the ValueEncoderFunc for the primitive.Symbol type. -func (DefaultValueEncoders) SymbolEncodeValue(ectx EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tSymbol { - return ValueEncoderError{Name: "SymbolEncodeValue", Types: []reflect.Type{tSymbol}, Received: val} - } - - return vw.WriteSymbol(val.String()) -} - -// BinaryEncodeValue is the ValueEncoderFunc for Binary. -func (DefaultValueEncoders) BinaryEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tBinary { - return ValueEncoderError{Name: "BinaryEncodeValue", Types: []reflect.Type{tBinary}, Received: val} - } - b := val.Interface().(primitive.Binary) - - return vw.WriteBinaryWithSubtype(b.Data, b.Subtype) -} - -// UndefinedEncodeValue is the ValueEncoderFunc for Undefined. -func (DefaultValueEncoders) UndefinedEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tUndefined { - return ValueEncoderError{Name: "UndefinedEncodeValue", Types: []reflect.Type{tUndefined}, Received: val} - } - - return vw.WriteUndefined() -} - -// DateTimeEncodeValue is the ValueEncoderFunc for DateTime. -func (DefaultValueEncoders) DateTimeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDateTime { - return ValueEncoderError{Name: "DateTimeEncodeValue", Types: []reflect.Type{tDateTime}, Received: val} - } - - return vw.WriteDateTime(val.Int()) -} - -// NullEncodeValue is the ValueEncoderFunc for Null. -func (DefaultValueEncoders) NullEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tNull { - return ValueEncoderError{Name: "NullEncodeValue", Types: []reflect.Type{tNull}, Received: val} - } - - return vw.WriteNull() -} - -// RegexEncodeValue is the ValueEncoderFunc for Regex. -func (DefaultValueEncoders) RegexEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tRegex { - return ValueEncoderError{Name: "RegexEncodeValue", Types: []reflect.Type{tRegex}, Received: val} - } - - regex := val.Interface().(primitive.Regex) - - return vw.WriteRegex(regex.Pattern, regex.Options) -} - -// DBPointerEncodeValue is the ValueEncoderFunc for DBPointer. -func (DefaultValueEncoders) DBPointerEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tDBPointer { - return ValueEncoderError{Name: "DBPointerEncodeValue", Types: []reflect.Type{tDBPointer}, Received: val} - } - - dbp := val.Interface().(primitive.DBPointer) - - return vw.WriteDBPointer(dbp.DB, dbp.Pointer) -} - -// TimestampEncodeValue is the ValueEncoderFunc for Timestamp. -func (DefaultValueEncoders) TimestampEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tTimestamp { - return ValueEncoderError{Name: "TimestampEncodeValue", Types: []reflect.Type{tTimestamp}, Received: val} - } - - ts := val.Interface().(primitive.Timestamp) - - return vw.WriteTimestamp(ts.T, ts.I) -} - -// MinKeyEncodeValue is the ValueEncoderFunc for MinKey. -func (DefaultValueEncoders) MinKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tMinKey { - return ValueEncoderError{Name: "MinKeyEncodeValue", Types: []reflect.Type{tMinKey}, Received: val} - } - - return vw.WriteMinKey() -} - -// MaxKeyEncodeValue is the ValueEncoderFunc for MaxKey. -func (DefaultValueEncoders) MaxKeyEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tMaxKey { - return ValueEncoderError{Name: "MaxKeyEncodeValue", Types: []reflect.Type{tMaxKey}, Received: val} - } - - return vw.WriteMaxKey() -} - -// CoreDocumentEncodeValue is the ValueEncoderFunc for bsoncore.Document. -func (DefaultValueEncoders) CoreDocumentEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tCoreDocument { - return ValueEncoderError{Name: "CoreDocumentEncodeValue", Types: []reflect.Type{tCoreDocument}, Received: val} - } - - cdoc := val.Interface().(bsoncore.Document) - - return bsonrw.Copier{}.CopyDocumentFromBytes(vw, cdoc) -} - -// CodeWithScopeEncodeValue is the ValueEncoderFunc for CodeWithScope. -func (dve DefaultValueEncoders) CodeWithScopeEncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error { - if !val.IsValid() || val.Type() != tCodeWithScope { - return ValueEncoderError{Name: "CodeWithScopeEncodeValue", Types: []reflect.Type{tCodeWithScope}, Received: val} - } - - cws := val.Interface().(primitive.CodeWithScope) - - dw, err := vw.WriteCodeWithScope(string(cws.Code)) - if err != nil { - return err - } - - sw := sliceWriterPool.Get().(*bsonrw.SliceWriter) - defer sliceWriterPool.Put(sw) - *sw = (*sw)[:0] - - scopeVW := bvwPool.Get(sw) - defer bvwPool.Put(scopeVW) - - encoder, err := ec.LookupEncoder(reflect.TypeOf(cws.Scope)) - if err != nil { - return err - } - - err = encoder.EncodeValue(ec, scopeVW, reflect.ValueOf(cws.Scope)) - if err != nil { - return err - } - - err = bsonrw.Copier{}.CopyBytesToDocumentWriter(dw, *sw) - if err != nil { - return err - } - return dw.WriteDocumentEnd() -} |