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authorWim <wim@42.be>2020-08-10 00:29:54 +0200
committerGitHub <noreply@github.com>2020-08-10 00:29:54 +0200
commit4e50fd864921c556988c919269448efdb90fa961 (patch)
treea3625f03f8de3c4f3841364000a4ea3aa42c1533 /vendor/google.golang.org/protobuf/internal/impl/weak.go
parentdfdffa0027334e55ce213fc6eb62206dbf48baf6 (diff)
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Use mattermost v5 module (#1192)
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/impl/weak.go')
-rw-r--r--vendor/google.golang.org/protobuf/internal/impl/weak.go74
1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/weak.go b/vendor/google.golang.org/protobuf/internal/impl/weak.go
new file mode 100644
index 00000000..009cbefd
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/impl/weak.go
@@ -0,0 +1,74 @@
+// Copyright 2019 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 (
+ "fmt"
+
+ pref "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+)
+
+// weakFields adds methods to the exported WeakFields type for internal use.
+//
+// The exported type is an alias to an unnamed type, so methods can't be
+// defined directly on it.
+type weakFields WeakFields
+
+func (w weakFields) get(num pref.FieldNumber) (pref.ProtoMessage, bool) {
+ m, ok := w[int32(num)]
+ return m, ok
+}
+
+func (w *weakFields) set(num pref.FieldNumber, m pref.ProtoMessage) {
+ if *w == nil {
+ *w = make(weakFields)
+ }
+ (*w)[int32(num)] = m
+}
+
+func (w *weakFields) clear(num pref.FieldNumber) {
+ delete(*w, int32(num))
+}
+
+func (Export) HasWeak(w WeakFields, num pref.FieldNumber) bool {
+ _, ok := w[int32(num)]
+ return ok
+}
+
+func (Export) ClearWeak(w *WeakFields, num pref.FieldNumber) {
+ delete(*w, int32(num))
+}
+
+func (Export) GetWeak(w WeakFields, num pref.FieldNumber, name pref.FullName) pref.ProtoMessage {
+ if m, ok := w[int32(num)]; ok {
+ return m
+ }
+ mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
+ if mt == nil {
+ panic(fmt.Sprintf("message %v for weak field is not linked in", name))
+ }
+ return mt.Zero().Interface()
+}
+
+func (Export) SetWeak(w *WeakFields, num pref.FieldNumber, name pref.FullName, m pref.ProtoMessage) {
+ if m != nil {
+ mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
+ if mt == nil {
+ panic(fmt.Sprintf("message %v for weak field is not linked in", name))
+ }
+ if mt != m.ProtoReflect().Type() {
+ panic(fmt.Sprintf("invalid message type for weak field: got %T, want %T", m, mt.Zero().Interface()))
+ }
+ }
+ if m == nil || !m.ProtoReflect().IsValid() {
+ delete(*w, int32(num))
+ return
+ }
+ if *w == nil {
+ *w = make(weakFields)
+ }
+ (*w)[int32(num)] = m
+}