diff options
author | Wim <wim@42.be> | 2020-08-10 00:29:54 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2020-08-10 00:29:54 +0200 |
commit | 4e50fd864921c556988c919269448efdb90fa961 (patch) | |
tree | a3625f03f8de3c4f3841364000a4ea3aa42c1533 /vendor/google.golang.org/protobuf/internal/impl/weak.go | |
parent | dfdffa0027334e55ce213fc6eb62206dbf48baf6 (diff) | |
download | matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.tar.gz matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.tar.bz2 matterbridge-msglm-4e50fd864921c556988c919269448efdb90fa961.zip |
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.go | 74 |
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 +} |