mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 18:12:46 +00:00
a156188b3e
* update dependencies, bump Go version to 1.19 * bump test image Go version * update golangci-lint * update gotosocial-drone-build * sign * linting, go fmt * update swagger docs * update swagger docs * whitespace * update contributing.md * fuckin whoopsie doopsie * linterino, linteroni * fix followrequest test not starting processor * fix other api/client tests not starting processor * fix remaining tests where processor not started * bump go-runners version * don't check last-webfingered-at, processor may have updated this * update swagger command * update bun to latest version * fix embed to work the same as before with new bun Signed-off-by: kim <grufwub@gmail.com> Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
389 lines
10 KiB
Go
389 lines
10 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package impl
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import (
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"reflect"
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"sort"
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"google.golang.org/protobuf/encoding/protowire"
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"google.golang.org/protobuf/internal/genid"
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"google.golang.org/protobuf/reflect/protoreflect"
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)
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type mapInfo struct {
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goType reflect.Type
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keyWiretag uint64
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valWiretag uint64
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keyFuncs valueCoderFuncs
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valFuncs valueCoderFuncs
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keyZero protoreflect.Value
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keyKind protoreflect.Kind
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conv *mapConverter
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}
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func encoderFuncsForMap(fd protoreflect.FieldDescriptor, ft reflect.Type) (valueMessage *MessageInfo, funcs pointerCoderFuncs) {
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// TODO: Consider generating specialized map coders.
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keyField := fd.MapKey()
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valField := fd.MapValue()
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keyWiretag := protowire.EncodeTag(1, wireTypes[keyField.Kind()])
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valWiretag := protowire.EncodeTag(2, wireTypes[valField.Kind()])
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keyFuncs := encoderFuncsForValue(keyField)
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valFuncs := encoderFuncsForValue(valField)
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conv := newMapConverter(ft, fd)
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mapi := &mapInfo{
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goType: ft,
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keyWiretag: keyWiretag,
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valWiretag: valWiretag,
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keyFuncs: keyFuncs,
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valFuncs: valFuncs,
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keyZero: keyField.Default(),
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keyKind: keyField.Kind(),
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conv: conv,
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}
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if valField.Kind() == protoreflect.MessageKind {
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valueMessage = getMessageInfo(ft.Elem())
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}
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funcs = pointerCoderFuncs{
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size: func(p pointer, f *coderFieldInfo, opts marshalOptions) int {
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return sizeMap(p.AsValueOf(ft).Elem(), mapi, f, opts)
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},
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marshal: func(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
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return appendMap(b, p.AsValueOf(ft).Elem(), mapi, f, opts)
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},
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unmarshal: func(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (unmarshalOutput, error) {
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mp := p.AsValueOf(ft)
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if mp.Elem().IsNil() {
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mp.Elem().Set(reflect.MakeMap(mapi.goType))
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}
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if f.mi == nil {
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return consumeMap(b, mp.Elem(), wtyp, mapi, f, opts)
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} else {
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return consumeMapOfMessage(b, mp.Elem(), wtyp, mapi, f, opts)
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}
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},
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}
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switch valField.Kind() {
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case protoreflect.MessageKind:
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funcs.merge = mergeMapOfMessage
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case protoreflect.BytesKind:
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funcs.merge = mergeMapOfBytes
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default:
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funcs.merge = mergeMap
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}
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if valFuncs.isInit != nil {
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funcs.isInit = func(p pointer, f *coderFieldInfo) error {
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return isInitMap(p.AsValueOf(ft).Elem(), mapi, f)
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}
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}
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return valueMessage, funcs
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}
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const (
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mapKeyTagSize = 1 // field 1, tag size 1.
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mapValTagSize = 1 // field 2, tag size 2.
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)
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func sizeMap(mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo, opts marshalOptions) int {
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if mapv.Len() == 0 {
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return 0
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}
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n := 0
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iter := mapRange(mapv)
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for iter.Next() {
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key := mapi.conv.keyConv.PBValueOf(iter.Key()).MapKey()
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keySize := mapi.keyFuncs.size(key.Value(), mapKeyTagSize, opts)
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var valSize int
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value := mapi.conv.valConv.PBValueOf(iter.Value())
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if f.mi == nil {
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valSize = mapi.valFuncs.size(value, mapValTagSize, opts)
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} else {
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p := pointerOfValue(iter.Value())
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valSize += mapValTagSize
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valSize += protowire.SizeBytes(f.mi.sizePointer(p, opts))
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}
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n += f.tagsize + protowire.SizeBytes(keySize+valSize)
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}
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return n
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}
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func consumeMap(b []byte, mapv reflect.Value, wtyp protowire.Type, mapi *mapInfo, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
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if wtyp != protowire.BytesType {
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return out, errUnknown
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}
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b, n := protowire.ConsumeBytes(b)
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if n < 0 {
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return out, errDecode
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}
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var (
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key = mapi.keyZero
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val = mapi.conv.valConv.New()
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)
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for len(b) > 0 {
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num, wtyp, n := protowire.ConsumeTag(b)
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if n < 0 {
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return out, errDecode
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}
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if num > protowire.MaxValidNumber {
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return out, errDecode
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}
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b = b[n:]
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err := errUnknown
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switch num {
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case genid.MapEntry_Key_field_number:
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var v protoreflect.Value
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var o unmarshalOutput
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v, o, err = mapi.keyFuncs.unmarshal(b, key, num, wtyp, opts)
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if err != nil {
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break
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}
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key = v
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n = o.n
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case genid.MapEntry_Value_field_number:
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var v protoreflect.Value
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var o unmarshalOutput
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v, o, err = mapi.valFuncs.unmarshal(b, val, num, wtyp, opts)
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if err != nil {
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break
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}
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val = v
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n = o.n
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}
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if err == errUnknown {
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n = protowire.ConsumeFieldValue(num, wtyp, b)
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if n < 0 {
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return out, errDecode
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}
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} else if err != nil {
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return out, err
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}
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b = b[n:]
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}
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mapv.SetMapIndex(mapi.conv.keyConv.GoValueOf(key), mapi.conv.valConv.GoValueOf(val))
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out.n = n
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return out, nil
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}
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func consumeMapOfMessage(b []byte, mapv reflect.Value, wtyp protowire.Type, mapi *mapInfo, f *coderFieldInfo, opts unmarshalOptions) (out unmarshalOutput, err error) {
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if wtyp != protowire.BytesType {
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return out, errUnknown
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}
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b, n := protowire.ConsumeBytes(b)
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if n < 0 {
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return out, errDecode
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}
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var (
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key = mapi.keyZero
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val = reflect.New(f.mi.GoReflectType.Elem())
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)
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for len(b) > 0 {
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num, wtyp, n := protowire.ConsumeTag(b)
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if n < 0 {
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return out, errDecode
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}
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if num > protowire.MaxValidNumber {
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return out, errDecode
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}
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b = b[n:]
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err := errUnknown
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switch num {
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case 1:
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var v protoreflect.Value
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var o unmarshalOutput
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v, o, err = mapi.keyFuncs.unmarshal(b, key, num, wtyp, opts)
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if err != nil {
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break
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}
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key = v
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n = o.n
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case 2:
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if wtyp != protowire.BytesType {
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break
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}
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var v []byte
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v, n = protowire.ConsumeBytes(b)
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if n < 0 {
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return out, errDecode
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}
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var o unmarshalOutput
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o, err = f.mi.unmarshalPointer(v, pointerOfValue(val), 0, opts)
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if o.initialized {
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// Consider this map item initialized so long as we see
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// an initialized value.
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out.initialized = true
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}
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}
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if err == errUnknown {
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n = protowire.ConsumeFieldValue(num, wtyp, b)
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if n < 0 {
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return out, errDecode
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}
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} else if err != nil {
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return out, err
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}
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b = b[n:]
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}
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mapv.SetMapIndex(mapi.conv.keyConv.GoValueOf(key), val)
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out.n = n
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return out, nil
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}
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func appendMapItem(b []byte, keyrv, valrv reflect.Value, mapi *mapInfo, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
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if f.mi == nil {
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key := mapi.conv.keyConv.PBValueOf(keyrv).MapKey()
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val := mapi.conv.valConv.PBValueOf(valrv)
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size := 0
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size += mapi.keyFuncs.size(key.Value(), mapKeyTagSize, opts)
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size += mapi.valFuncs.size(val, mapValTagSize, opts)
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b = protowire.AppendVarint(b, uint64(size))
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b, err := mapi.keyFuncs.marshal(b, key.Value(), mapi.keyWiretag, opts)
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if err != nil {
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return nil, err
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}
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return mapi.valFuncs.marshal(b, val, mapi.valWiretag, opts)
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} else {
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key := mapi.conv.keyConv.PBValueOf(keyrv).MapKey()
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val := pointerOfValue(valrv)
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valSize := f.mi.sizePointer(val, opts)
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size := 0
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size += mapi.keyFuncs.size(key.Value(), mapKeyTagSize, opts)
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size += mapValTagSize + protowire.SizeBytes(valSize)
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b = protowire.AppendVarint(b, uint64(size))
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b, err := mapi.keyFuncs.marshal(b, key.Value(), mapi.keyWiretag, opts)
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if err != nil {
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return nil, err
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}
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b = protowire.AppendVarint(b, mapi.valWiretag)
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b = protowire.AppendVarint(b, uint64(valSize))
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return f.mi.marshalAppendPointer(b, val, opts)
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}
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}
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func appendMap(b []byte, mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
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if mapv.Len() == 0 {
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return b, nil
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}
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if opts.Deterministic() {
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return appendMapDeterministic(b, mapv, mapi, f, opts)
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}
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iter := mapRange(mapv)
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for iter.Next() {
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var err error
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b = protowire.AppendVarint(b, f.wiretag)
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b, err = appendMapItem(b, iter.Key(), iter.Value(), mapi, f, opts)
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if err != nil {
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return b, err
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}
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}
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return b, nil
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}
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func appendMapDeterministic(b []byte, mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
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keys := mapv.MapKeys()
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sort.Slice(keys, func(i, j int) bool {
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switch keys[i].Kind() {
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case reflect.Bool:
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return !keys[i].Bool() && keys[j].Bool()
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return keys[i].Int() < keys[j].Int()
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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return keys[i].Uint() < keys[j].Uint()
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case reflect.Float32, reflect.Float64:
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return keys[i].Float() < keys[j].Float()
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case reflect.String:
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return keys[i].String() < keys[j].String()
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default:
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panic("invalid kind: " + keys[i].Kind().String())
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}
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})
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for _, key := range keys {
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var err error
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b = protowire.AppendVarint(b, f.wiretag)
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b, err = appendMapItem(b, key, mapv.MapIndex(key), mapi, f, opts)
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if err != nil {
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return b, err
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}
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}
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return b, nil
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}
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func isInitMap(mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo) error {
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if mi := f.mi; mi != nil {
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mi.init()
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if !mi.needsInitCheck {
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return nil
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}
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iter := mapRange(mapv)
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for iter.Next() {
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val := pointerOfValue(iter.Value())
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if err := mi.checkInitializedPointer(val); err != nil {
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return err
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}
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}
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} else {
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iter := mapRange(mapv)
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for iter.Next() {
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val := mapi.conv.valConv.PBValueOf(iter.Value())
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if err := mapi.valFuncs.isInit(val); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func mergeMap(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
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dstm := dst.AsValueOf(f.ft).Elem()
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srcm := src.AsValueOf(f.ft).Elem()
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if srcm.Len() == 0 {
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return
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}
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if dstm.IsNil() {
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dstm.Set(reflect.MakeMap(f.ft))
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}
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iter := mapRange(srcm)
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for iter.Next() {
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dstm.SetMapIndex(iter.Key(), iter.Value())
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}
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}
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func mergeMapOfBytes(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
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dstm := dst.AsValueOf(f.ft).Elem()
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srcm := src.AsValueOf(f.ft).Elem()
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if srcm.Len() == 0 {
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return
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}
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if dstm.IsNil() {
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dstm.Set(reflect.MakeMap(f.ft))
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}
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iter := mapRange(srcm)
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for iter.Next() {
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dstm.SetMapIndex(iter.Key(), reflect.ValueOf(append(emptyBuf[:], iter.Value().Bytes()...)))
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}
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}
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func mergeMapOfMessage(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
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dstm := dst.AsValueOf(f.ft).Elem()
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srcm := src.AsValueOf(f.ft).Elem()
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if srcm.Len() == 0 {
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return
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}
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if dstm.IsNil() {
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dstm.Set(reflect.MakeMap(f.ft))
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}
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iter := mapRange(srcm)
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for iter.Next() {
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val := reflect.New(f.ft.Elem().Elem())
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if f.mi != nil {
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f.mi.mergePointer(pointerOfValue(val), pointerOfValue(iter.Value()), opts)
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} else {
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opts.Merge(asMessage(val), asMessage(iter.Value()))
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}
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dstm.SetMapIndex(iter.Key(), val)
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}
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}
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