diff options
Diffstat (limited to 'vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go')
-rw-r--r-- | vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go b/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go deleted file mode 100644 index 852547276..000000000 --- a/vendor/go.mongodb.org/mongo-driver/bson/bsoncodec/uint_codec.go +++ /dev/null @@ -1,198 +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 ( - "fmt" - "math" - "reflect" - - "go.mongodb.org/mongo-driver/bson/bsonoptions" - "go.mongodb.org/mongo-driver/bson/bsonrw" - "go.mongodb.org/mongo-driver/bson/bsontype" -) - -// UIntCodec is the Codec used for uint values. -// -// Deprecated: UIntCodec will not be directly configurable in Go Driver 2.0. To -// configure the uint encode and decode behavior, use the configuration methods -// on a [go.mongodb.org/mongo-driver/bson.Encoder] or -// [go.mongodb.org/mongo-driver/bson.Decoder]. To configure the uint encode and -// decode behavior for a mongo.Client, use -// [go.mongodb.org/mongo-driver/mongo/options.ClientOptions.SetBSONOptions]. -// -// For example, to configure a mongo.Client to marshal Go uint values as the -// minimum BSON int size that can represent the value, use: -// -// opt := options.Client().SetBSONOptions(&options.BSONOptions{ -// IntMinSize: true, -// }) -// -// See the deprecation notice for each field in UIntCodec for the corresponding -// settings. -type UIntCodec struct { - // EncodeToMinSize causes EncodeValue to marshal Go uint values (excluding uint64) as the - // minimum BSON int size (either 32-bit or 64-bit) that can represent the integer value. - // - // Deprecated: Use bson.Encoder.IntMinSize or options.BSONOptions.IntMinSize instead. - EncodeToMinSize bool -} - -var ( - defaultUIntCodec = NewUIntCodec() - - // Assert that defaultUIntCodec satisfies the typeDecoder interface, which allows it to be used - // by collection type decoders (e.g. map, slice, etc) to set individual values in a collection. - _ typeDecoder = defaultUIntCodec -) - -// NewUIntCodec returns a UIntCodec with options opts. -// -// Deprecated: NewUIntCodec will not be available in Go Driver 2.0. See -// [UIntCodec] for more details. -func NewUIntCodec(opts ...*bsonoptions.UIntCodecOptions) *UIntCodec { - uintOpt := bsonoptions.MergeUIntCodecOptions(opts...) - - codec := UIntCodec{} - if uintOpt.EncodeToMinSize != nil { - codec.EncodeToMinSize = *uintOpt.EncodeToMinSize - } - return &codec -} - -// EncodeValue is the ValueEncoder for uint types. -func (uic *UIntCodec) EncodeValue(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 or if encodeToMinSize is true for a non-uint64 value we should write val as an int32 - useMinSize := ec.MinSize || (uic.EncodeToMinSize && val.Kind() != reflect.Uint64) - - if u64 <= math.MaxInt32 && useMinSize { - 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, - } -} - -func (uic *UIntCodec) decodeType(dc DecodeContext, vr bsonrw.ValueReader, t reflect.Type) (reflect.Value, error) { - var i64 int64 - var err error - switch vrType := vr.Type(); vrType { - case bsontype.Int32: - i32, err := vr.ReadInt32() - if err != nil { - return emptyValue, err - } - i64 = int64(i32) - case bsontype.Int64: - i64, err = vr.ReadInt64() - if err != nil { - return emptyValue, err - } - case bsontype.Double: - f64, err := vr.ReadDouble() - if err != nil { - return emptyValue, err - } - if !dc.Truncate && math.Floor(f64) != f64 { - return emptyValue, errCannotTruncate - } - if f64 > float64(math.MaxInt64) { - return emptyValue, fmt.Errorf("%g overflows int64", f64) - } - i64 = int64(f64) - case bsontype.Boolean: - b, err := vr.ReadBoolean() - if err != nil { - return emptyValue, err - } - if b { - i64 = 1 - } - case bsontype.Null: - if err = vr.ReadNull(); err != nil { - return emptyValue, err - } - case bsontype.Undefined: - if err = vr.ReadUndefined(); err != nil { - return emptyValue, err - } - default: - return emptyValue, fmt.Errorf("cannot decode %v into an integer type", vrType) - } - - switch t.Kind() { - case reflect.Uint8: - if i64 < 0 || i64 > math.MaxUint8 { - return emptyValue, fmt.Errorf("%d overflows uint8", i64) - } - - return reflect.ValueOf(uint8(i64)), nil - case reflect.Uint16: - if i64 < 0 || i64 > math.MaxUint16 { - return emptyValue, fmt.Errorf("%d overflows uint16", i64) - } - - return reflect.ValueOf(uint16(i64)), nil - case reflect.Uint32: - if i64 < 0 || i64 > math.MaxUint32 { - return emptyValue, fmt.Errorf("%d overflows uint32", i64) - } - - return reflect.ValueOf(uint32(i64)), nil - case reflect.Uint64: - if i64 < 0 { - return emptyValue, fmt.Errorf("%d overflows uint64", i64) - } - - return reflect.ValueOf(uint64(i64)), nil - case reflect.Uint: - if i64 < 0 || int64(uint(i64)) != i64 { // Can we fit this inside of an uint - return emptyValue, fmt.Errorf("%d overflows uint", i64) - } - - return reflect.ValueOf(uint(i64)), nil - default: - return emptyValue, ValueDecoderError{ - Name: "UintDecodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: reflect.Zero(t), - } - } -} - -// DecodeValue is the ValueDecoder for uint types. -func (uic *UIntCodec) DecodeValue(dc DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error { - if !val.CanSet() { - return ValueDecoderError{ - Name: "UintDecodeValue", - Kinds: []reflect.Kind{reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint}, - Received: val, - } - } - - elem, err := uic.decodeType(dc, vr, val.Type()) - if err != nil { - return err - } - - val.SetUint(elem.Uint()) - return nil -} |