mattermost-community-enterp.../vendor/google.golang.org/protobuf/internal/filedesc/presence.go
Claude ec1f89217a Merge: Complete Mattermost Server with Community Enterprise
Full Mattermost server source with integrated Community Enterprise features.
Includes vendor directory for offline/air-gapped builds.

Structure:
- enterprise-impl/: Enterprise feature implementations
- enterprise-community/: Init files that register implementations
- enterprise/: Bridge imports (community_imports.go)
- vendor/: All dependencies for offline builds

Build (online):
  go build ./cmd/mattermost

Build (offline/air-gapped):
  go build -mod=vendor ./cmd/mattermost

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 23:59:07 +09:00

34 lines
1.1 KiB
Go

// Copyright 2025 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 filedesc
import "google.golang.org/protobuf/reflect/protoreflect"
// UsePresenceForField reports whether the presence bitmap should be used for
// the specified field.
func UsePresenceForField(fd protoreflect.FieldDescriptor) (usePresence, canBeLazy bool) {
switch {
case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
// Oneof fields never use the presence bitmap.
//
// Synthetic oneofs are an exception: Those are used to implement proto3
// optional fields and hence should follow non-oneof field semantics.
return false, false
case fd.IsMap():
// Map-typed fields never use the presence bitmap.
return false, false
case fd.Kind() == protoreflect.MessageKind || fd.Kind() == protoreflect.GroupKind:
// Lazy fields always use the presence bitmap (only messages can be lazy).
isLazy := fd.(interface{ IsLazy() bool }).IsLazy()
return isLazy, isLazy
default:
// If the field has presence, use the presence bitmap.
return fd.HasPresence(), false
}
}