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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/google.golang.org/protobuf/internal/impl/equal.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/impl/equal.go')
-rw-r--r-- | vendor/google.golang.org/protobuf/internal/impl/equal.go | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/equal.go b/vendor/google.golang.org/protobuf/internal/impl/equal.go deleted file mode 100644 index 9f6c32a7d..000000000 --- a/vendor/google.golang.org/protobuf/internal/impl/equal.go +++ /dev/null @@ -1,224 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package impl - -import ( - "bytes" - - "google.golang.org/protobuf/encoding/protowire" - "google.golang.org/protobuf/reflect/protoreflect" - "google.golang.org/protobuf/runtime/protoiface" -) - -func equal(in protoiface.EqualInput) protoiface.EqualOutput { - return protoiface.EqualOutput{Equal: equalMessage(in.MessageA, in.MessageB)} -} - -// equalMessage is a fast-path variant of protoreflect.equalMessage. -// It takes advantage of the internal messageState type to avoid -// unnecessary allocations, type assertions. -func equalMessage(mx, my protoreflect.Message) bool { - if mx == nil || my == nil { - return mx == my - } - if mx.Descriptor() != my.Descriptor() { - return false - } - - msx, ok := mx.(*messageState) - if !ok { - return protoreflect.ValueOfMessage(mx).Equal(protoreflect.ValueOfMessage(my)) - } - msy, ok := my.(*messageState) - if !ok { - return protoreflect.ValueOfMessage(mx).Equal(protoreflect.ValueOfMessage(my)) - } - - mi := msx.messageInfo() - miy := msy.messageInfo() - if mi != miy { - return protoreflect.ValueOfMessage(mx).Equal(protoreflect.ValueOfMessage(my)) - } - mi.init() - // Compares regular fields - // Modified Message.Range code that compares two messages of the same type - // while going over the fields. - for _, ri := range mi.rangeInfos { - var fd protoreflect.FieldDescriptor - var vx, vy protoreflect.Value - - switch ri := ri.(type) { - case *fieldInfo: - hx := ri.has(msx.pointer()) - hy := ri.has(msy.pointer()) - if hx != hy { - return false - } - if !hx { - continue - } - fd = ri.fieldDesc - vx = ri.get(msx.pointer()) - vy = ri.get(msy.pointer()) - case *oneofInfo: - fnx := ri.which(msx.pointer()) - fny := ri.which(msy.pointer()) - if fnx != fny { - return false - } - if fnx <= 0 { - continue - } - fi := mi.fields[fnx] - fd = fi.fieldDesc - vx = fi.get(msx.pointer()) - vy = fi.get(msy.pointer()) - } - - if !equalValue(fd, vx, vy) { - return false - } - } - - // Compare extensions. - // This is more complicated because mx or my could have empty/nil extension maps, - // however some populated extension map values are equal to nil extension maps. - emx := mi.extensionMap(msx.pointer()) - emy := mi.extensionMap(msy.pointer()) - if emx != nil { - for k, x := range *emx { - xd := x.Type().TypeDescriptor() - xv := x.Value() - var y ExtensionField - ok := false - if emy != nil { - y, ok = (*emy)[k] - } - // We need to treat empty lists as equal to nil values - if emy == nil || !ok { - if xd.IsList() && xv.List().Len() == 0 { - continue - } - return false - } - - if !equalValue(xd, xv, y.Value()) { - return false - } - } - } - if emy != nil { - // emy may have extensions emx does not have, need to check them as well - for k, y := range *emy { - if emx != nil { - // emx has the field, so we already checked it - if _, ok := (*emx)[k]; ok { - continue - } - } - // Empty lists are equal to nil - if y.Type().TypeDescriptor().IsList() && y.Value().List().Len() == 0 { - continue - } - - // Cant be equal if the extension is populated - return false - } - } - - return equalUnknown(mx.GetUnknown(), my.GetUnknown()) -} - -func equalValue(fd protoreflect.FieldDescriptor, vx, vy protoreflect.Value) bool { - // slow path - if fd.Kind() != protoreflect.MessageKind { - return vx.Equal(vy) - } - - // fast path special cases - if fd.IsMap() { - if fd.MapValue().Kind() == protoreflect.MessageKind { - return equalMessageMap(vx.Map(), vy.Map()) - } - return vx.Equal(vy) - } - - if fd.IsList() { - return equalMessageList(vx.List(), vy.List()) - } - - return equalMessage(vx.Message(), vy.Message()) -} - -// Mostly copied from protoreflect.equalMap. -// This variant only works for messages as map types. -// All other map types should be handled via Value.Equal. -func equalMessageMap(mx, my protoreflect.Map) bool { - if mx.Len() != my.Len() { - return false - } - equal := true - mx.Range(func(k protoreflect.MapKey, vx protoreflect.Value) bool { - if !my.Has(k) { - equal = false - return false - } - vy := my.Get(k) - equal = equalMessage(vx.Message(), vy.Message()) - return equal - }) - return equal -} - -// Mostly copied from protoreflect.equalList. -// The only change is the usage of equalImpl instead of protoreflect.equalValue. -func equalMessageList(lx, ly protoreflect.List) bool { - if lx.Len() != ly.Len() { - return false - } - for i := 0; i < lx.Len(); i++ { - // We only operate on messages here since equalImpl will not call us in any other case. - if !equalMessage(lx.Get(i).Message(), ly.Get(i).Message()) { - return false - } - } - return true -} - -// equalUnknown compares unknown fields by direct comparison on the raw bytes -// of each individual field number. -// Copied from protoreflect.equalUnknown. -func equalUnknown(x, y protoreflect.RawFields) bool { - if len(x) != len(y) { - return false - } - if bytes.Equal([]byte(x), []byte(y)) { - return true - } - - mx := make(map[protoreflect.FieldNumber]protoreflect.RawFields) - my := make(map[protoreflect.FieldNumber]protoreflect.RawFields) - for len(x) > 0 { - fnum, _, n := protowire.ConsumeField(x) - mx[fnum] = append(mx[fnum], x[:n]...) - x = x[n:] - } - for len(y) > 0 { - fnum, _, n := protowire.ConsumeField(y) - my[fnum] = append(my[fnum], y[:n]...) - y = y[n:] - } - if len(mx) != len(my) { - return false - } - - for k, v1 := range mx { - if v2, ok := my[k]; !ok || !bytes.Equal([]byte(v1), []byte(v2)) { - return false - } - } - - return true -} |