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3270e7a443
* Update go-swagger * vendor
111 lines
3.6 KiB
Go
Vendored
111 lines
3.6 KiB
Go
Vendored
// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package bson
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import (
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"errors"
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"reflect"
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"go.mongodb.org/mongo-driver/bson/bsoncodec"
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"go.mongodb.org/mongo-driver/bson/bsonrw"
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)
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var primitiveCodecs PrimitiveCodecs
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// PrimitiveCodecs is a namespace for all of the default bsoncodec.Codecs for the primitive types
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// defined in this package.
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type PrimitiveCodecs struct{}
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// RegisterPrimitiveCodecs will register the encode and decode methods attached to PrimitiveCodecs
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// with the provided RegistryBuilder. if rb is nil, a new empty RegistryBuilder will be created.
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func (pc PrimitiveCodecs) RegisterPrimitiveCodecs(rb *bsoncodec.RegistryBuilder) {
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if rb == nil {
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panic(errors.New("argument to RegisterPrimitiveCodecs must not be nil"))
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}
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rb.
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RegisterTypeEncoder(tRawValue, bsoncodec.ValueEncoderFunc(pc.RawValueEncodeValue)).
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RegisterTypeEncoder(tRaw, bsoncodec.ValueEncoderFunc(pc.RawEncodeValue)).
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RegisterTypeDecoder(tRawValue, bsoncodec.ValueDecoderFunc(pc.RawValueDecodeValue)).
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RegisterTypeDecoder(tRaw, bsoncodec.ValueDecoderFunc(pc.RawDecodeValue))
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}
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// RawValueEncodeValue is the ValueEncoderFunc for RawValue.
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func (PrimitiveCodecs) RawValueEncodeValue(ec bsoncodec.EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
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if !val.IsValid() || val.Type() != tRawValue {
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return bsoncodec.ValueEncoderError{Name: "RawValueEncodeValue", Types: []reflect.Type{tRawValue}, Received: val}
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}
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rawvalue := val.Interface().(RawValue)
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return bsonrw.Copier{}.CopyValueFromBytes(vw, rawvalue.Type, rawvalue.Value)
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}
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// RawValueDecodeValue is the ValueDecoderFunc for RawValue.
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func (PrimitiveCodecs) RawValueDecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
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if !val.CanSet() || val.Type() != tRawValue {
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return bsoncodec.ValueDecoderError{Name: "RawValueDecodeValue", Types: []reflect.Type{tRawValue}, Received: val}
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}
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t, value, err := bsonrw.Copier{}.CopyValueToBytes(vr)
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if err != nil {
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return err
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}
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val.Set(reflect.ValueOf(RawValue{Type: t, Value: value}))
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return nil
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}
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// RawEncodeValue is the ValueEncoderFunc for Reader.
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func (PrimitiveCodecs) RawEncodeValue(ec bsoncodec.EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
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if !val.IsValid() || val.Type() != tRaw {
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return bsoncodec.ValueEncoderError{Name: "RawEncodeValue", Types: []reflect.Type{tRaw}, Received: val}
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}
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rdr := val.Interface().(Raw)
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return bsonrw.Copier{}.CopyDocumentFromBytes(vw, rdr)
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}
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// RawDecodeValue is the ValueDecoderFunc for Reader.
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func (PrimitiveCodecs) RawDecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
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if !val.CanSet() || val.Type() != tRaw {
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return bsoncodec.ValueDecoderError{Name: "RawDecodeValue", Types: []reflect.Type{tRaw}, Received: val}
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}
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if val.IsNil() {
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val.Set(reflect.MakeSlice(val.Type(), 0, 0))
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}
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val.SetLen(0)
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rdr, err := bsonrw.Copier{}.AppendDocumentBytes(val.Interface().(Raw), vr)
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val.Set(reflect.ValueOf(rdr))
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return err
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}
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func (pc PrimitiveCodecs) encodeRaw(ec bsoncodec.EncodeContext, dw bsonrw.DocumentWriter, raw Raw) error {
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var copier bsonrw.Copier
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elems, err := raw.Elements()
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if err != nil {
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return err
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}
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for _, elem := range elems {
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dvw, err := dw.WriteDocumentElement(elem.Key())
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if err != nil {
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return err
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}
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val := elem.Value()
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err = copier.CopyValueFromBytes(dvw, val.Type, val.Value)
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if err != nil {
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return err
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}
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}
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return dw.WriteDocumentEnd()
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}
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