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// 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 filedesc |
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import ( |
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"reflect" |
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"sync" |
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"google.golang.org/protobuf/encoding/protowire" |
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"google.golang.org/protobuf/internal/descopts" |
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"google.golang.org/protobuf/internal/genid" |
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"google.golang.org/protobuf/internal/strs" |
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"google.golang.org/protobuf/proto" |
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pref "google.golang.org/protobuf/reflect/protoreflect" |
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) |
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|
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func (fd *File) lazyRawInit() { |
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fd.unmarshalFull(fd.builder.RawDescriptor) |
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fd.resolveMessages() |
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fd.resolveExtensions() |
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fd.resolveServices() |
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} |
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|
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func (file *File) resolveMessages() { |
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var depIdx int32 |
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for i := range file.allMessages { |
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md := &file.allMessages[i] |
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|
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// Resolve message field dependencies. |
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for j := range md.L2.Fields.List { |
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fd := &md.L2.Fields.List[j] |
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|
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// Weak fields are resolved upon actual use. |
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if fd.L1.IsWeak { |
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continue |
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} |
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|
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// Resolve message field dependency. |
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switch fd.L1.Kind { |
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case pref.EnumKind: |
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fd.L1.Enum = file.resolveEnumDependency(fd.L1.Enum, listFieldDeps, depIdx) |
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depIdx++ |
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case pref.MessageKind, pref.GroupKind: |
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fd.L1.Message = file.resolveMessageDependency(fd.L1.Message, listFieldDeps, depIdx) |
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depIdx++ |
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} |
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|
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// Default is resolved here since it depends on Enum being resolved. |
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if v := fd.L1.Default.val; v.IsValid() { |
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fd.L1.Default = unmarshalDefault(v.Bytes(), fd.L1.Kind, file, fd.L1.Enum) |
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} |
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} |
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} |
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} |
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func (file *File) resolveExtensions() { |
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var depIdx int32 |
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for i := range file.allExtensions { |
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xd := &file.allExtensions[i] |
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|
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// Resolve extension field dependency. |
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switch xd.L1.Kind { |
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case pref.EnumKind: |
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xd.L2.Enum = file.resolveEnumDependency(xd.L2.Enum, listExtDeps, depIdx) |
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depIdx++ |
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case pref.MessageKind, pref.GroupKind: |
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xd.L2.Message = file.resolveMessageDependency(xd.L2.Message, listExtDeps, depIdx) |
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depIdx++ |
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} |
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// Default is resolved here since it depends on Enum being resolved. |
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if v := xd.L2.Default.val; v.IsValid() { |
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xd.L2.Default = unmarshalDefault(v.Bytes(), xd.L1.Kind, file, xd.L2.Enum) |
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} |
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} |
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} |
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func (file *File) resolveServices() { |
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var depIdx int32 |
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for i := range file.allServices { |
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sd := &file.allServices[i] |
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|
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// Resolve method dependencies. |
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for j := range sd.L2.Methods.List { |
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md := &sd.L2.Methods.List[j] |
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md.L1.Input = file.resolveMessageDependency(md.L1.Input, listMethInDeps, depIdx) |
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md.L1.Output = file.resolveMessageDependency(md.L1.Output, listMethOutDeps, depIdx) |
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depIdx++ |
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} |
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} |
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} |
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func (file *File) resolveEnumDependency(ed pref.EnumDescriptor, i, j int32) pref.EnumDescriptor { |
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r := file.builder.FileRegistry |
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if r, ok := r.(resolverByIndex); ok { |
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if ed2 := r.FindEnumByIndex(i, j, file.allEnums, file.allMessages); ed2 != nil { |
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return ed2 |
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} |
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} |
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for i := range file.allEnums { |
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if ed2 := &file.allEnums[i]; ed2.L0.FullName == ed.FullName() { |
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return ed2 |
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} |
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} |
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if d, _ := r.FindDescriptorByName(ed.FullName()); d != nil { |
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return d.(pref.EnumDescriptor) |
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} |
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return ed |
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} |
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func (file *File) resolveMessageDependency(md pref.MessageDescriptor, i, j int32) pref.MessageDescriptor { |
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r := file.builder.FileRegistry |
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if r, ok := r.(resolverByIndex); ok { |
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if md2 := r.FindMessageByIndex(i, j, file.allEnums, file.allMessages); md2 != nil { |
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return md2 |
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} |
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} |
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for i := range file.allMessages { |
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if md2 := &file.allMessages[i]; md2.L0.FullName == md.FullName() { |
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return md2 |
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} |
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} |
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if d, _ := r.FindDescriptorByName(md.FullName()); d != nil { |
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return d.(pref.MessageDescriptor) |
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} |
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return md |
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} |
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func (fd *File) unmarshalFull(b []byte) { |
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sb := getBuilder() |
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defer putBuilder(sb) |
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|
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var enumIdx, messageIdx, extensionIdx, serviceIdx int |
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var rawOptions []byte |
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fd.L2 = new(FileL2) |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.VarintType: |
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v, m := protowire.ConsumeVarint(b) |
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b = b[m:] |
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switch num { |
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case genid.FileDescriptorProto_PublicDependency_field_number: |
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fd.L2.Imports[v].IsPublic = true |
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case genid.FileDescriptorProto_WeakDependency_field_number: |
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fd.L2.Imports[v].IsWeak = true |
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} |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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switch num { |
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case genid.FileDescriptorProto_Dependency_field_number: |
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path := sb.MakeString(v) |
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imp, _ := fd.builder.FileRegistry.FindFileByPath(path) |
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if imp == nil { |
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imp = PlaceholderFile(path) |
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} |
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fd.L2.Imports = append(fd.L2.Imports, pref.FileImport{FileDescriptor: imp}) |
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case genid.FileDescriptorProto_EnumType_field_number: |
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fd.L1.Enums.List[enumIdx].unmarshalFull(v, sb) |
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enumIdx++ |
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case genid.FileDescriptorProto_MessageType_field_number: |
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fd.L1.Messages.List[messageIdx].unmarshalFull(v, sb) |
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messageIdx++ |
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case genid.FileDescriptorProto_Extension_field_number: |
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fd.L1.Extensions.List[extensionIdx].unmarshalFull(v, sb) |
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extensionIdx++ |
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case genid.FileDescriptorProto_Service_field_number: |
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fd.L1.Services.List[serviceIdx].unmarshalFull(v, sb) |
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serviceIdx++ |
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case genid.FileDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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fd.L2.Options = fd.builder.optionsUnmarshaler(&descopts.File, rawOptions) |
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} |
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func (ed *Enum) unmarshalFull(b []byte, sb *strs.Builder) { |
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var rawValues [][]byte |
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var rawOptions []byte |
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if !ed.L1.eagerValues { |
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ed.L2 = new(EnumL2) |
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} |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumDescriptorProto_Value_field_number: |
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rawValues = append(rawValues, v) |
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case genid.EnumDescriptorProto_ReservedName_field_number: |
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ed.L2.ReservedNames.List = append(ed.L2.ReservedNames.List, pref.Name(sb.MakeString(v))) |
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case genid.EnumDescriptorProto_ReservedRange_field_number: |
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ed.L2.ReservedRanges.List = append(ed.L2.ReservedRanges.List, unmarshalEnumReservedRange(v)) |
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case genid.EnumDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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if !ed.L1.eagerValues && len(rawValues) > 0 { |
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ed.L2.Values.List = make([]EnumValue, len(rawValues)) |
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for i, b := range rawValues { |
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ed.L2.Values.List[i].unmarshalFull(b, sb, ed.L0.ParentFile, ed, i) |
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} |
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} |
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ed.L2.Options = ed.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Enum, rawOptions) |
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} |
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func unmarshalEnumReservedRange(b []byte) (r [2]pref.EnumNumber) { |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.VarintType: |
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v, m := protowire.ConsumeVarint(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumDescriptorProto_EnumReservedRange_Start_field_number: |
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r[0] = pref.EnumNumber(v) |
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case genid.EnumDescriptorProto_EnumReservedRange_End_field_number: |
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r[1] = pref.EnumNumber(v) |
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} |
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default: |
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237 |
m := protowire.ConsumeFieldValue(num, typ, b) |
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238 |
b = b[m:] |
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} |
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} |
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241 |
return r |
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242 |
} |
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243 |
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func (vd *EnumValue) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
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245 |
vd.L0.ParentFile = pf |
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vd.L0.Parent = pd |
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247 |
vd.L0.Index = i |
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248 |
|
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249 |
var rawOptions []byte |
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250 |
for len(b) > 0 { |
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251 |
num, typ, n := protowire.ConsumeTag(b) |
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252 |
b = b[n:] |
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253 |
switch typ { |
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254 |
case protowire.VarintType: |
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255 |
v, m := protowire.ConsumeVarint(b) |
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256 |
b = b[m:] |
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257 |
switch num { |
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258 |
case genid.EnumValueDescriptorProto_Number_field_number: |
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vd.L1.Number = pref.EnumNumber(v) |
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} |
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261 |
case protowire.BytesType: |
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262 |
v, m := protowire.ConsumeBytes(b) |
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263 |
b = b[m:] |
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switch num { |
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case genid.EnumValueDescriptorProto_Name_field_number: |
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// NOTE: Enum values are in the same scope as the enum parent. |
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267 |
vd.L0.FullName = appendFullName(sb, pd.Parent().FullName(), v) |
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case genid.EnumValueDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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272 |
m := protowire.ConsumeFieldValue(num, typ, b) |
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273 |
b = b[m:] |
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} |
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} |
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vd.L1.Options = pf.builder.optionsUnmarshaler(&descopts.EnumValue, rawOptions) |
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} |
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278 |
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func (md *Message) unmarshalFull(b []byte, sb *strs.Builder) { |
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var rawFields, rawOneofs [][]byte |
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var enumIdx, messageIdx, extensionIdx int |
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var rawOptions []byte |
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md.L2 = new(MessageL2) |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.BytesType: |
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289 |
v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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291 |
switch num { |
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case genid.DescriptorProto_Field_field_number: |
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293 |
rawFields = append(rawFields, v) |
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294 |
case genid.DescriptorProto_OneofDecl_field_number: |
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295 |
rawOneofs = append(rawOneofs, v) |
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296 |
case genid.DescriptorProto_ReservedName_field_number: |
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297 |
md.L2.ReservedNames.List = append(md.L2.ReservedNames.List, pref.Name(sb.MakeString(v))) |
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298 |
case genid.DescriptorProto_ReservedRange_field_number: |
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299 |
md.L2.ReservedRanges.List = append(md.L2.ReservedRanges.List, unmarshalMessageReservedRange(v)) |
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300 |
case genid.DescriptorProto_ExtensionRange_field_number: |
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301 |
r, rawOptions := unmarshalMessageExtensionRange(v) |
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302 |
opts := md.L0.ParentFile.builder.optionsUnmarshaler(&descopts.ExtensionRange, rawOptions) |
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303 |
md.L2.ExtensionRanges.List = append(md.L2.ExtensionRanges.List, r) |
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304 |
md.L2.ExtensionRangeOptions = append(md.L2.ExtensionRangeOptions, opts) |
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305 |
case genid.DescriptorProto_EnumType_field_number: |
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306 |
md.L1.Enums.List[enumIdx].unmarshalFull(v, sb) |
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307 |
enumIdx++ |
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308 |
case genid.DescriptorProto_NestedType_field_number: |
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309 |
md.L1.Messages.List[messageIdx].unmarshalFull(v, sb) |
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310 |
messageIdx++ |
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311 |
case genid.DescriptorProto_Extension_field_number: |
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312 |
md.L1.Extensions.List[extensionIdx].unmarshalFull(v, sb) |
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313 |
extensionIdx++ |
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314 |
case genid.DescriptorProto_Options_field_number: |
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315 |
md.unmarshalOptions(v) |
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316 |
rawOptions = appendOptions(rawOptions, v) |
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317 |
} |
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318 |
default: |
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319 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
320 |
b = b[m:] |
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321 |
} |
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322 |
} |
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323 |
if len(rawFields) > 0 || len(rawOneofs) > 0 { |
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324 |
md.L2.Fields.List = make([]Field, len(rawFields)) |
|
325 |
md.L2.Oneofs.List = make([]Oneof, len(rawOneofs)) |
|
326 |
for i, b := range rawFields { |
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327 |
fd := &md.L2.Fields.List[i] |
|
328 |
fd.unmarshalFull(b, sb, md.L0.ParentFile, md, i) |
|
329 |
if fd.L1.Cardinality == pref.Required { |
|
330 |
md.L2.RequiredNumbers.List = append(md.L2.RequiredNumbers.List, fd.L1.Number) |
|
331 |
} |
|
332 |
} |
|
333 |
for i, b := range rawOneofs { |
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334 |
od := &md.L2.Oneofs.List[i] |
|
335 |
od.unmarshalFull(b, sb, md.L0.ParentFile, md, i) |
|
336 |
} |
|
337 |
} |
|
338 |
md.L2.Options = md.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Message, rawOptions) |
|
339 |
} |
|
340 |
|
|
341 |
func (md *Message) unmarshalOptions(b []byte) { |
|
342 |
for len(b) > 0 { |
|
343 |
num, typ, n := protowire.ConsumeTag(b) |
|
344 |
b = b[n:] |
|
345 |
switch typ { |
|
346 |
case protowire.VarintType: |
|
347 |
v, m := protowire.ConsumeVarint(b) |
|
348 |
b = b[m:] |
|
349 |
switch num { |
|
350 |
case genid.MessageOptions_MapEntry_field_number: |
|
351 |
md.L1.IsMapEntry = protowire.DecodeBool(v) |
|
352 |
case genid.MessageOptions_MessageSetWireFormat_field_number: |
|
353 |
md.L1.IsMessageSet = protowire.DecodeBool(v) |
|
354 |
} |
|
355 |
default: |
|
356 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
357 |
b = b[m:] |
|
358 |
} |
|
359 |
} |
|
360 |
} |
|
361 |
|
|
362 |
func unmarshalMessageReservedRange(b []byte) (r [2]pref.FieldNumber) { |
|
363 |
for len(b) > 0 { |
|
364 |
num, typ, n := protowire.ConsumeTag(b) |
|
365 |
b = b[n:] |
|
366 |
switch typ { |
|
367 |
case protowire.VarintType: |
|
368 |
v, m := protowire.ConsumeVarint(b) |
|
369 |
b = b[m:] |
|
370 |
switch num { |
|
371 |
case genid.DescriptorProto_ReservedRange_Start_field_number: |
|
372 |
r[0] = pref.FieldNumber(v) |
|
373 |
case genid.DescriptorProto_ReservedRange_End_field_number: |
|
374 |
r[1] = pref.FieldNumber(v) |
|
375 |
} |
|
376 |
default: |
|
377 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
378 |
b = b[m:] |
|
379 |
} |
|
380 |
} |
|
381 |
return r |
|
382 |
} |
|
383 |
|
|
384 |
func unmarshalMessageExtensionRange(b []byte) (r [2]pref.FieldNumber, rawOptions []byte) { |
|
385 |
for len(b) > 0 { |
|
386 |
num, typ, n := protowire.ConsumeTag(b) |
|
387 |
b = b[n:] |
|
388 |
switch typ { |
|
389 |
case protowire.VarintType: |
|
390 |
v, m := protowire.ConsumeVarint(b) |
|
391 |
b = b[m:] |
|
392 |
switch num { |
|
393 |
case genid.DescriptorProto_ExtensionRange_Start_field_number: |
|
394 |
r[0] = pref.FieldNumber(v) |
|
395 |
case genid.DescriptorProto_ExtensionRange_End_field_number: |
|
396 |
r[1] = pref.FieldNumber(v) |
|
397 |
} |
|
398 |
case protowire.BytesType: |
|
399 |
v, m := protowire.ConsumeBytes(b) |
|
400 |
b = b[m:] |
|
401 |
switch num { |
|
402 |
case genid.DescriptorProto_ExtensionRange_Options_field_number: |
|
403 |
rawOptions = appendOptions(rawOptions, v) |
|
404 |
} |
|
405 |
default: |
|
406 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
407 |
b = b[m:] |
|
408 |
} |
|
409 |
} |
|
410 |
return r, rawOptions |
|
411 |
} |
|
412 |
|
|
413 |
func (fd *Field) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
|
414 |
fd.L0.ParentFile = pf |
|
415 |
fd.L0.Parent = pd |
|
416 |
fd.L0.Index = i |
|
417 |
|
|
418 |
var rawTypeName []byte |
|
419 |
var rawOptions []byte |
|
420 |
for len(b) > 0 { |
|
421 |
num, typ, n := protowire.ConsumeTag(b) |
|
422 |
b = b[n:] |
|
423 |
switch typ { |
|
424 |
case protowire.VarintType: |
|
425 |
v, m := protowire.ConsumeVarint(b) |
|
426 |
b = b[m:] |
|
427 |
switch num { |
|
428 |
case genid.FieldDescriptorProto_Number_field_number: |
|
429 |
fd.L1.Number = pref.FieldNumber(v) |
|
430 |
case genid.FieldDescriptorProto_Label_field_number: |
|
431 |
fd.L1.Cardinality = pref.Cardinality(v) |
|
432 |
case genid.FieldDescriptorProto_Type_field_number: |
|
433 |
fd.L1.Kind = pref.Kind(v) |
|
434 |
case genid.FieldDescriptorProto_OneofIndex_field_number: |
|
435 |
// In Message.unmarshalFull, we allocate slices for both |
|
436 |
// the field and oneof descriptors before unmarshaling either |
|
437 |
// of them. This ensures pointers to slice elements are stable. |
|
438 |
od := &pd.(*Message).L2.Oneofs.List[v] |
|
439 |
od.L1.Fields.List = append(od.L1.Fields.List, fd) |
|
440 |
if fd.L1.ContainingOneof != nil { |
|
441 |
panic("oneof type already set") |
|
442 |
} |
|
443 |
fd.L1.ContainingOneof = od |
|
444 |
case genid.FieldDescriptorProto_Proto3Optional_field_number: |
|
445 |
fd.L1.IsProto3Optional = protowire.DecodeBool(v) |
|
446 |
} |
|
447 |
case protowire.BytesType: |
|
448 |
v, m := protowire.ConsumeBytes(b) |
|
449 |
b = b[m:] |
|
450 |
switch num { |
|
451 |
case genid.FieldDescriptorProto_Name_field_number: |
|
452 |
fd.L0.FullName = appendFullName(sb, pd.FullName(), v) |
|
453 |
case genid.FieldDescriptorProto_JsonName_field_number: |
|
454 |
fd.L1.StringName.InitJSON(sb.MakeString(v)) |
|
455 |
case genid.FieldDescriptorProto_DefaultValue_field_number: |
|
456 |
fd.L1.Default.val = pref.ValueOfBytes(v) // temporarily store as bytes; later resolved in resolveMessages |
|
457 |
case genid.FieldDescriptorProto_TypeName_field_number: |
|
458 |
rawTypeName = v |
|
459 |
case genid.FieldDescriptorProto_Options_field_number: |
|
460 |
fd.unmarshalOptions(v) |
|
461 |
rawOptions = appendOptions(rawOptions, v) |
|
462 |
} |
|
463 |
default: |
|
464 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
465 |
b = b[m:] |
|
466 |
} |
|
467 |
} |
|
468 |
if rawTypeName != nil { |
|
469 |
name := makeFullName(sb, rawTypeName) |
|
470 |
switch fd.L1.Kind { |
|
471 |
case pref.EnumKind: |
|
472 |
fd.L1.Enum = PlaceholderEnum(name) |
|
473 |
case pref.MessageKind, pref.GroupKind: |
|
474 |
fd.L1.Message = PlaceholderMessage(name) |
|
475 |
} |
|
476 |
} |
|
477 |
fd.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Field, rawOptions) |
|
478 |
} |
|
479 |
|
|
480 |
func (fd *Field) unmarshalOptions(b []byte) { |
|
481 |
const FieldOptions_EnforceUTF8 = 13 |
|
482 |
|
|
483 |
for len(b) > 0 { |
|
484 |
num, typ, n := protowire.ConsumeTag(b) |
|
485 |
b = b[n:] |
|
486 |
switch typ { |
|
487 |
case protowire.VarintType: |
|
488 |
v, m := protowire.ConsumeVarint(b) |
|
489 |
b = b[m:] |
|
490 |
switch num { |
|
491 |
case genid.FieldOptions_Packed_field_number: |
|
492 |
fd.L1.HasPacked = true |
|
493 |
fd.L1.IsPacked = protowire.DecodeBool(v) |
|
494 |
case genid.FieldOptions_Weak_field_number: |
|
495 |
fd.L1.IsWeak = protowire.DecodeBool(v) |
|
496 |
case FieldOptions_EnforceUTF8: |
|
497 |
fd.L1.HasEnforceUTF8 = true |
|
498 |
fd.L1.EnforceUTF8 = protowire.DecodeBool(v) |
|
499 |
} |
|
500 |
default: |
|
501 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
502 |
b = b[m:] |
|
503 |
} |
|
504 |
} |
|
505 |
} |
|
506 |
|
|
507 |
func (od *Oneof) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
|
508 |
od.L0.ParentFile = pf |
|
509 |
od.L0.Parent = pd |
|
510 |
od.L0.Index = i |
|
511 |
|
|
512 |
var rawOptions []byte |
|
513 |
for len(b) > 0 { |
|
514 |
num, typ, n := protowire.ConsumeTag(b) |
|
515 |
b = b[n:] |
|
516 |
switch typ { |
|
517 |
case protowire.BytesType: |
|
518 |
v, m := protowire.ConsumeBytes(b) |
|
519 |
b = b[m:] |
|
520 |
switch num { |
|
521 |
case genid.OneofDescriptorProto_Name_field_number: |
|
522 |
od.L0.FullName = appendFullName(sb, pd.FullName(), v) |
|
523 |
case genid.OneofDescriptorProto_Options_field_number: |
|
524 |
rawOptions = appendOptions(rawOptions, v) |
|
525 |
} |
|
526 |
default: |
|
527 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
528 |
b = b[m:] |
|
529 |
} |
|
530 |
} |
|
531 |
od.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Oneof, rawOptions) |
|
532 |
} |
|
533 |
|
|
534 |
func (xd *Extension) unmarshalFull(b []byte, sb *strs.Builder) { |
|
535 |
var rawTypeName []byte |
|
536 |
var rawOptions []byte |
|
537 |
xd.L2 = new(ExtensionL2) |
|
538 |
for len(b) > 0 { |
|
539 |
num, typ, n := protowire.ConsumeTag(b) |
|
540 |
b = b[n:] |
|
541 |
switch typ { |
|
542 |
case protowire.VarintType: |
|
543 |
v, m := protowire.ConsumeVarint(b) |
|
544 |
b = b[m:] |
|
545 |
switch num { |
|
546 |
case genid.FieldDescriptorProto_Proto3Optional_field_number: |
|
547 |
xd.L2.IsProto3Optional = protowire.DecodeBool(v) |
|
548 |
} |
|
549 |
case protowire.BytesType: |
|
550 |
v, m := protowire.ConsumeBytes(b) |
|
551 |
b = b[m:] |
|
552 |
switch num { |
|
553 |
case genid.FieldDescriptorProto_JsonName_field_number: |
|
554 |
xd.L2.StringName.InitJSON(sb.MakeString(v)) |
|
555 |
case genid.FieldDescriptorProto_DefaultValue_field_number: |
|
556 |
xd.L2.Default.val = pref.ValueOfBytes(v) // temporarily store as bytes; later resolved in resolveExtensions |
|
557 |
case genid.FieldDescriptorProto_TypeName_field_number: |
|
558 |
rawTypeName = v |
|
559 |
case genid.FieldDescriptorProto_Options_field_number: |
|
560 |
xd.unmarshalOptions(v) |
|
561 |
rawOptions = appendOptions(rawOptions, v) |
|
562 |
} |
|
563 |
default: |
|
564 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
565 |
b = b[m:] |
|
566 |
} |
|
567 |
} |
|
568 |
if rawTypeName != nil { |
|
569 |
name := makeFullName(sb, rawTypeName) |
|
570 |
switch xd.L1.Kind { |
|
571 |
case pref.EnumKind: |
|
572 |
xd.L2.Enum = PlaceholderEnum(name) |
|
573 |
case pref.MessageKind, pref.GroupKind: |
|
574 |
xd.L2.Message = PlaceholderMessage(name) |
|
575 |
} |
|
576 |
} |
|
577 |
xd.L2.Options = xd.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Field, rawOptions) |
|
578 |
} |
|
579 |
|
|
580 |
func (xd *Extension) unmarshalOptions(b []byte) { |
|
581 |
for len(b) > 0 { |
|
582 |
num, typ, n := protowire.ConsumeTag(b) |
|
583 |
b = b[n:] |
|
584 |
switch typ { |
|
585 |
case protowire.VarintType: |
|
586 |
v, m := protowire.ConsumeVarint(b) |
|
587 |
b = b[m:] |
|
588 |
switch num { |
|
589 |
case genid.FieldOptions_Packed_field_number: |
|
590 |
xd.L2.IsPacked = protowire.DecodeBool(v) |
|
591 |
} |
|
592 |
default: |
|
593 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
594 |
b = b[m:] |
|
595 |
} |
|
596 |
} |
|
597 |
} |
|
598 |
|
|
599 |
func (sd *Service) unmarshalFull(b []byte, sb *strs.Builder) { |
|
600 |
var rawMethods [][]byte |
|
601 |
var rawOptions []byte |
|
602 |
sd.L2 = new(ServiceL2) |
|
603 |
for len(b) > 0 { |
|
604 |
num, typ, n := protowire.ConsumeTag(b) |
|
605 |
b = b[n:] |
|
606 |
switch typ { |
|
607 |
case protowire.BytesType: |
|
608 |
v, m := protowire.ConsumeBytes(b) |
|
609 |
b = b[m:] |
|
610 |
switch num { |
|
611 |
case genid.ServiceDescriptorProto_Method_field_number: |
|
612 |
rawMethods = append(rawMethods, v) |
|
613 |
case genid.ServiceDescriptorProto_Options_field_number: |
|
614 |
rawOptions = appendOptions(rawOptions, v) |
|
615 |
} |
|
616 |
default: |
|
617 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
618 |
b = b[m:] |
|
619 |
} |
|
620 |
} |
|
621 |
if len(rawMethods) > 0 { |
|
622 |
sd.L2.Methods.List = make([]Method, len(rawMethods)) |
|
623 |
for i, b := range rawMethods { |
|
624 |
sd.L2.Methods.List[i].unmarshalFull(b, sb, sd.L0.ParentFile, sd, i) |
|
625 |
} |
|
626 |
} |
|
627 |
sd.L2.Options = sd.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Service, rawOptions) |
|
628 |
} |
|
629 |
|
|
630 |
func (md *Method) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
|
631 |
md.L0.ParentFile = pf |
|
632 |
md.L0.Parent = pd |
|
633 |
md.L0.Index = i |
|
634 |
|
|
635 |
var rawOptions []byte |
|
636 |
for len(b) > 0 { |
|
637 |
num, typ, n := protowire.ConsumeTag(b) |
|
638 |
b = b[n:] |
|
639 |
switch typ { |
|
640 |
case protowire.VarintType: |
|
641 |
v, m := protowire.ConsumeVarint(b) |
|
642 |
b = b[m:] |
|
643 |
switch num { |
|
644 |
case genid.MethodDescriptorProto_ClientStreaming_field_number: |
|
645 |
md.L1.IsStreamingClient = protowire.DecodeBool(v) |
|
646 |
case genid.MethodDescriptorProto_ServerStreaming_field_number: |
|
647 |
md.L1.IsStreamingServer = protowire.DecodeBool(v) |
|
648 |
} |
|
649 |
case protowire.BytesType: |
|
650 |
v, m := protowire.ConsumeBytes(b) |
|
651 |
b = b[m:] |
|
652 |
switch num { |
|
653 |
case genid.MethodDescriptorProto_Name_field_number: |
|
654 |
md.L0.FullName = appendFullName(sb, pd.FullName(), v) |
|
655 |
case genid.MethodDescriptorProto_InputType_field_number: |
|
656 |
md.L1.Input = PlaceholderMessage(makeFullName(sb, v)) |
|
657 |
case genid.MethodDescriptorProto_OutputType_field_number: |
|
658 |
md.L1.Output = PlaceholderMessage(makeFullName(sb, v)) |
|
659 |
case genid.MethodDescriptorProto_Options_field_number: |
|
660 |
rawOptions = appendOptions(rawOptions, v) |
|
661 |
} |
|
662 |
default: |
|
663 |
m := protowire.ConsumeFieldValue(num, typ, b) |
|
664 |
b = b[m:] |
|
665 |
} |
|
666 |
} |
|
667 |
md.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Method, rawOptions) |
|
668 |
} |
|
669 |
|
|
670 |
// appendOptions appends src to dst, where the returned slice is never nil. |
|
671 |
// This is necessary to distinguish between empty and unpopulated options. |
|
672 |
func appendOptions(dst, src []byte) []byte { |
|
673 |
if dst == nil { |
|
674 |
dst = []byte{} |
|
675 |
} |
|
676 |
return append(dst, src...) |
|
677 |
} |
|
678 |
|
|
679 |
// optionsUnmarshaler constructs a lazy unmarshal function for an options message. |
|
680 |
// |
|
681 |
// The type of message to unmarshal to is passed as a pointer since the |
|
682 |
// vars in descopts may not yet be populated at the time this function is called. |
|
683 |
func (db *Builder) optionsUnmarshaler(p *pref.ProtoMessage, b []byte) func() pref.ProtoMessage { |
|
684 |
if b == nil { |
|
685 |
return nil |
|
686 |
} |
|
687 |
var opts pref.ProtoMessage |
|
688 |
var once sync.Once |
|
689 |
return func() pref.ProtoMessage { |
|
690 |
once.Do(func() { |
|
691 |
if *p == nil { |
|
692 |
panic("Descriptor.Options called without importing the descriptor package") |
|
693 |
} |
|
694 |
opts = reflect.New(reflect.TypeOf(*p).Elem()).Interface().(pref.ProtoMessage) |
|
695 |
if err := (proto.UnmarshalOptions{ |
|
696 |
AllowPartial: true, |
|
697 |
Resolver: db.TypeResolver, |
|
698 |
}).Unmarshal(b, opts); err != nil { |
|
699 |
panic(err) |
|
700 |
} |
|
701 |
}) |
|
702 |
return opts |
|
703 |
} |
|
704 |
} |