mirror of
https://codeberg.org/forgejo/forgejo
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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
287 lines
9.9 KiB
Go
Vendored
287 lines
9.9 KiB
Go
Vendored
// 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 protodesc
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import (
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"google.golang.org/protobuf/internal/encoding/defval"
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"google.golang.org/protobuf/internal/errors"
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"google.golang.org/protobuf/internal/filedesc"
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"google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/reflect/protoregistry"
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"google.golang.org/protobuf/types/descriptorpb"
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)
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// resolver is a wrapper around a local registry of declarations within the file
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// and the remote resolver. The remote resolver is restricted to only return
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// descriptors that have been imported.
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type resolver struct {
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local descsByName
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remote Resolver
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imports importSet
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allowUnresolvable bool
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}
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func (r *resolver) resolveMessageDependencies(ms []filedesc.Message, mds []*descriptorpb.DescriptorProto) (err error) {
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for i, md := range mds {
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m := &ms[i]
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for j, fd := range md.GetField() {
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f := &m.L2.Fields.List[j]
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if f.L1.Cardinality == protoreflect.Required {
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m.L2.RequiredNumbers.List = append(m.L2.RequiredNumbers.List, f.L1.Number)
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}
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if fd.OneofIndex != nil {
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k := int(fd.GetOneofIndex())
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if !(0 <= k && k < len(md.GetOneofDecl())) {
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return errors.New("message field %q has an invalid oneof index: %d", f.FullName(), k)
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}
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o := &m.L2.Oneofs.List[k]
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f.L1.ContainingOneof = o
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o.L1.Fields.List = append(o.L1.Fields.List, f)
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}
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if f.L1.Kind, f.L1.Enum, f.L1.Message, err = r.findTarget(f.Kind(), f.Parent().FullName(), partialName(fd.GetTypeName()), f.IsWeak()); err != nil {
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return errors.New("message field %q cannot resolve type: %v", f.FullName(), err)
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}
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if fd.DefaultValue != nil {
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v, ev, err := unmarshalDefault(fd.GetDefaultValue(), f, r.allowUnresolvable)
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if err != nil {
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return errors.New("message field %q has invalid default: %v", f.FullName(), err)
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}
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f.L1.Default = filedesc.DefaultValue(v, ev)
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}
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}
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if err := r.resolveMessageDependencies(m.L1.Messages.List, md.GetNestedType()); err != nil {
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return err
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}
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if err := r.resolveExtensionDependencies(m.L1.Extensions.List, md.GetExtension()); err != nil {
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return err
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}
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}
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return nil
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}
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func (r *resolver) resolveExtensionDependencies(xs []filedesc.Extension, xds []*descriptorpb.FieldDescriptorProto) (err error) {
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for i, xd := range xds {
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x := &xs[i]
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if x.L1.Extendee, err = r.findMessageDescriptor(x.Parent().FullName(), partialName(xd.GetExtendee()), false); err != nil {
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return errors.New("extension field %q cannot resolve extendee: %v", x.FullName(), err)
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}
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if x.L1.Kind, x.L2.Enum, x.L2.Message, err = r.findTarget(x.Kind(), x.Parent().FullName(), partialName(xd.GetTypeName()), false); err != nil {
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return errors.New("extension field %q cannot resolve type: %v", x.FullName(), err)
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}
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if xd.DefaultValue != nil {
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v, ev, err := unmarshalDefault(xd.GetDefaultValue(), x, r.allowUnresolvable)
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if err != nil {
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return errors.New("extension field %q has invalid default: %v", x.FullName(), err)
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}
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x.L2.Default = filedesc.DefaultValue(v, ev)
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}
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}
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return nil
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}
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func (r *resolver) resolveServiceDependencies(ss []filedesc.Service, sds []*descriptorpb.ServiceDescriptorProto) (err error) {
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for i, sd := range sds {
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s := &ss[i]
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for j, md := range sd.GetMethod() {
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m := &s.L2.Methods.List[j]
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m.L1.Input, err = r.findMessageDescriptor(m.Parent().FullName(), partialName(md.GetInputType()), false)
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if err != nil {
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return errors.New("service method %q cannot resolve input: %v", m.FullName(), err)
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}
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m.L1.Output, err = r.findMessageDescriptor(s.FullName(), partialName(md.GetOutputType()), false)
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if err != nil {
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return errors.New("service method %q cannot resolve output: %v", m.FullName(), 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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// findTarget finds an enum or message descriptor if k is an enum, message,
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// group, or unknown. If unknown, and the name could be resolved, the kind
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// returned kind is set based on the type of the resolved descriptor.
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func (r *resolver) findTarget(k protoreflect.Kind, scope protoreflect.FullName, ref partialName, isWeak bool) (protoreflect.Kind, protoreflect.EnumDescriptor, protoreflect.MessageDescriptor, error) {
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switch k {
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case protoreflect.EnumKind:
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ed, err := r.findEnumDescriptor(scope, ref, isWeak)
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if err != nil {
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return 0, nil, nil, err
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}
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return k, ed, nil, nil
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case protoreflect.MessageKind, protoreflect.GroupKind:
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md, err := r.findMessageDescriptor(scope, ref, isWeak)
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if err != nil {
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return 0, nil, nil, err
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}
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return k, nil, md, nil
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case 0:
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// Handle unspecified kinds (possible with parsers that operate
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// on a per-file basis without knowledge of dependencies).
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d, err := r.findDescriptor(scope, ref)
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if err == protoregistry.NotFound && (r.allowUnresolvable || isWeak) {
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return k, filedesc.PlaceholderEnum(ref.FullName()), filedesc.PlaceholderMessage(ref.FullName()), nil
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} else if err == protoregistry.NotFound {
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return 0, nil, nil, errors.New("%q not found", ref.FullName())
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} else if err != nil {
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return 0, nil, nil, err
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}
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switch d := d.(type) {
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case protoreflect.EnumDescriptor:
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return protoreflect.EnumKind, d, nil, nil
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case protoreflect.MessageDescriptor:
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return protoreflect.MessageKind, nil, d, nil
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default:
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return 0, nil, nil, errors.New("unknown kind")
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}
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default:
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if ref != "" {
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return 0, nil, nil, errors.New("target name cannot be specified for %v", k)
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}
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if !k.IsValid() {
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return 0, nil, nil, errors.New("invalid kind: %d", k)
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}
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return k, nil, nil, nil
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}
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}
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// findDescriptor finds the descriptor by name,
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// which may be a relative name within some scope.
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//
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// Suppose the scope was "fizz.buzz" and the reference was "Foo.Bar",
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// then the following full names are searched:
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// * fizz.buzz.Foo.Bar
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// * fizz.Foo.Bar
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// * Foo.Bar
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func (r *resolver) findDescriptor(scope protoreflect.FullName, ref partialName) (protoreflect.Descriptor, error) {
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if !ref.IsValid() {
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return nil, errors.New("invalid name reference: %q", ref)
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}
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if ref.IsFull() {
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scope, ref = "", ref[1:]
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}
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var foundButNotImported protoreflect.Descriptor
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for {
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// Derive the full name to search.
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s := protoreflect.FullName(ref)
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if scope != "" {
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s = scope + "." + s
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}
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// Check the current file for the descriptor.
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if d, ok := r.local[s]; ok {
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return d, nil
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}
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// Check the remote registry for the descriptor.
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d, err := r.remote.FindDescriptorByName(s)
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if err == nil {
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// Only allow descriptors covered by one of the imports.
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if r.imports[d.ParentFile().Path()] {
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return d, nil
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}
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foundButNotImported = d
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} else if err != protoregistry.NotFound {
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return nil, errors.Wrap(err, "%q", s)
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}
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// Continue on at a higher level of scoping.
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if scope == "" {
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if d := foundButNotImported; d != nil {
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return nil, errors.New("resolved %q, but %q is not imported", d.FullName(), d.ParentFile().Path())
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}
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return nil, protoregistry.NotFound
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}
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scope = scope.Parent()
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}
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}
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func (r *resolver) findEnumDescriptor(scope protoreflect.FullName, ref partialName, isWeak bool) (protoreflect.EnumDescriptor, error) {
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d, err := r.findDescriptor(scope, ref)
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if err == protoregistry.NotFound && (r.allowUnresolvable || isWeak) {
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return filedesc.PlaceholderEnum(ref.FullName()), nil
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} else if err == protoregistry.NotFound {
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return nil, errors.New("%q not found", ref.FullName())
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} else if err != nil {
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return nil, err
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}
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ed, ok := d.(protoreflect.EnumDescriptor)
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if !ok {
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return nil, errors.New("resolved %q, but it is not an enum", d.FullName())
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}
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return ed, nil
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}
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func (r *resolver) findMessageDescriptor(scope protoreflect.FullName, ref partialName, isWeak bool) (protoreflect.MessageDescriptor, error) {
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d, err := r.findDescriptor(scope, ref)
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if err == protoregistry.NotFound && (r.allowUnresolvable || isWeak) {
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return filedesc.PlaceholderMessage(ref.FullName()), nil
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} else if err == protoregistry.NotFound {
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return nil, errors.New("%q not found", ref.FullName())
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} else if err != nil {
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return nil, err
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}
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md, ok := d.(protoreflect.MessageDescriptor)
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if !ok {
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return nil, errors.New("resolved %q, but it is not an message", d.FullName())
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}
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return md, nil
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}
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// partialName is the partial name. A leading dot means that the name is full,
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// otherwise the name is relative to some current scope.
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// See google.protobuf.FieldDescriptorProto.type_name.
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type partialName string
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func (s partialName) IsFull() bool {
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return len(s) > 0 && s[0] == '.'
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}
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func (s partialName) IsValid() bool {
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if s.IsFull() {
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return protoreflect.FullName(s[1:]).IsValid()
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}
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return protoreflect.FullName(s).IsValid()
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}
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const unknownPrefix = "*."
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// FullName converts the partial name to a full name on a best-effort basis.
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// If relative, it creates an invalid full name, using a "*." prefix
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// to indicate that the start of the full name is unknown.
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func (s partialName) FullName() protoreflect.FullName {
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if s.IsFull() {
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return protoreflect.FullName(s[1:])
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}
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return protoreflect.FullName(unknownPrefix + s)
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}
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func unmarshalDefault(s string, fd protoreflect.FieldDescriptor, allowUnresolvable bool) (protoreflect.Value, protoreflect.EnumValueDescriptor, error) {
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var evs protoreflect.EnumValueDescriptors
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if fd.Enum() != nil {
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evs = fd.Enum().Values()
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}
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v, ev, err := defval.Unmarshal(s, fd.Kind(), evs, defval.Descriptor)
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if err != nil && allowUnresolvable && evs != nil && protoreflect.Name(s).IsValid() {
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v = protoreflect.ValueOfEnum(0)
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if evs.Len() > 0 {
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v = protoreflect.ValueOfEnum(evs.Get(0).Number())
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}
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ev = filedesc.PlaceholderEnumValue(fd.Enum().FullName().Parent().Append(protoreflect.Name(s)))
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} else if err != nil {
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return v, ev, err
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}
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if fd.Syntax() == protoreflect.Proto3 {
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return v, ev, errors.New("cannot be specified under proto3 semantics")
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}
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if fd.Kind() == protoreflect.MessageKind || fd.Kind() == protoreflect.GroupKind || fd.Cardinality() == protoreflect.Repeated {
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return v, ev, errors.New("cannot be specified on composite types")
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}
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return v, ev, nil
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}
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