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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
112 lines
3.0 KiB
Go
Vendored
112 lines
3.0 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 bsoncodec
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import (
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"fmt"
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"reflect"
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"go.mongodb.org/mongo-driver/bson/bsonoptions"
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"go.mongodb.org/mongo-driver/bson/bsonrw"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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)
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// ByteSliceCodec is the Codec used for []byte values.
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type ByteSliceCodec struct {
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EncodeNilAsEmpty bool
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}
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var (
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defaultByteSliceCodec = NewByteSliceCodec()
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_ ValueCodec = defaultByteSliceCodec
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_ typeDecoder = defaultByteSliceCodec
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)
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// NewByteSliceCodec returns a StringCodec with options opts.
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func NewByteSliceCodec(opts ...*bsonoptions.ByteSliceCodecOptions) *ByteSliceCodec {
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byteSliceOpt := bsonoptions.MergeByteSliceCodecOptions(opts...)
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codec := ByteSliceCodec{}
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if byteSliceOpt.EncodeNilAsEmpty != nil {
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codec.EncodeNilAsEmpty = *byteSliceOpt.EncodeNilAsEmpty
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}
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return &codec
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}
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// EncodeValue is the ValueEncoder for []byte.
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func (bsc *ByteSliceCodec) EncodeValue(ec EncodeContext, vw bsonrw.ValueWriter, val reflect.Value) error {
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if !val.IsValid() || val.Type() != tByteSlice {
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return ValueEncoderError{Name: "ByteSliceEncodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
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}
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if val.IsNil() && !bsc.EncodeNilAsEmpty {
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return vw.WriteNull()
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}
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return vw.WriteBinary(val.Interface().([]byte))
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}
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func (bsc *ByteSliceCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) {
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if t != tByteSlice {
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return emptyValue, ValueDecoderError{
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Name: "ByteSliceDecodeValue",
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Types: []reflect.Type{tByteSlice},
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Received: reflect.Zero(t),
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}
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}
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var data []byte
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var err error
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switch vrType := vr.Type(); vrType {
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case bsontype.String:
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str, err := vr.ReadString()
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if err != nil {
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return emptyValue, err
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}
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data = []byte(str)
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case bsontype.Symbol:
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sym, err := vr.ReadSymbol()
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if err != nil {
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return emptyValue, err
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}
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data = []byte(sym)
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case bsontype.Binary:
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var subtype byte
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data, subtype, err = vr.ReadBinary()
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if err != nil {
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return emptyValue, err
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}
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if subtype != bsontype.BinaryGeneric && subtype != bsontype.BinaryBinaryOld {
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return emptyValue, decodeBinaryError{subtype: subtype, typeName: "[]byte"}
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}
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case bsontype.Null:
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err = vr.ReadNull()
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case bsontype.Undefined:
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err = vr.ReadUndefined()
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default:
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return emptyValue, fmt.Errorf("cannot decode %v into a []byte", vrType)
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}
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if err != nil {
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return emptyValue, err
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}
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return reflect.ValueOf(data), nil
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}
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// DecodeValue is the ValueDecoder for []byte.
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func (bsc *ByteSliceCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
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if !val.CanSet() || val.Type() != tByteSlice {
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return ValueDecoderError{Name: "ByteSliceDecodeValue", Types: []reflect.Type{tByteSlice}, Received: val}
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}
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elem, err := bsc.decodeType(dc, vr, tByteSlice)
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if err != nil {
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return err
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}
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val.Set(elem)
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return nil
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}
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