placeholder.go

Documentation: google.golang.org/protobuf/internal/filedesc

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package filedesc
     6  
     7  import (
     8  	"google.golang.org/protobuf/internal/descopts"
     9  	"google.golang.org/protobuf/internal/pragma"
    10  	"google.golang.org/protobuf/reflect/protoreflect"
    11  )
    12  
    13  var (
    14  	emptyNames           = new(Names)
    15  	emptyEnumRanges      = new(EnumRanges)
    16  	emptyFieldRanges     = new(FieldRanges)
    17  	emptyFieldNumbers    = new(FieldNumbers)
    18  	emptySourceLocations = new(SourceLocations)
    19  
    20  	emptyFiles      = new(FileImports)
    21  	emptyMessages   = new(Messages)
    22  	emptyFields     = new(Fields)
    23  	emptyOneofs     = new(Oneofs)
    24  	emptyEnums      = new(Enums)
    25  	emptyEnumValues = new(EnumValues)
    26  	emptyExtensions = new(Extensions)
    27  	emptyServices   = new(Services)
    28  )
    29  
    30  // PlaceholderFile is a placeholder, representing only the file path.
    31  type PlaceholderFile string
    32  
    33  func (f PlaceholderFile) ParentFile() protoreflect.FileDescriptor       { return f }
    34  func (f PlaceholderFile) Parent() protoreflect.Descriptor               { return nil }
    35  func (f PlaceholderFile) Index() int                                    { return 0 }
    36  func (f PlaceholderFile) Syntax() protoreflect.Syntax                   { return 0 }
    37  func (f PlaceholderFile) Name() protoreflect.Name                       { return "" }
    38  func (f PlaceholderFile) FullName() protoreflect.FullName               { return "" }
    39  func (f PlaceholderFile) IsPlaceholder() bool                           { return true }
    40  func (f PlaceholderFile) Options() protoreflect.ProtoMessage            { return descopts.File }
    41  func (f PlaceholderFile) Path() string                                  { return string(f) }
    42  func (f PlaceholderFile) Package() protoreflect.FullName                { return "" }
    43  func (f PlaceholderFile) Imports() protoreflect.FileImports             { return emptyFiles }
    44  func (f PlaceholderFile) Messages() protoreflect.MessageDescriptors     { return emptyMessages }
    45  func (f PlaceholderFile) Enums() protoreflect.EnumDescriptors           { return emptyEnums }
    46  func (f PlaceholderFile) Extensions() protoreflect.ExtensionDescriptors { return emptyExtensions }
    47  func (f PlaceholderFile) Services() protoreflect.ServiceDescriptors     { return emptyServices }
    48  func (f PlaceholderFile) SourceLocations() protoreflect.SourceLocations { return emptySourceLocations }
    49  func (f PlaceholderFile) ProtoType(protoreflect.FileDescriptor)         { return }
    50  func (f PlaceholderFile) ProtoInternal(pragma.DoNotImplement)           { return }
    51  
    52  // PlaceholderEnum is a placeholder, representing only the full name.
    53  type PlaceholderEnum protoreflect.FullName
    54  
    55  func (e PlaceholderEnum) ParentFile() protoreflect.FileDescriptor   { return nil }
    56  func (e PlaceholderEnum) Parent() protoreflect.Descriptor           { return nil }
    57  func (e PlaceholderEnum) Index() int                                { return 0 }
    58  func (e PlaceholderEnum) Syntax() protoreflect.Syntax               { return 0 }
    59  func (e PlaceholderEnum) Name() protoreflect.Name                   { return protoreflect.FullName(e).Name() }
    60  func (e PlaceholderEnum) FullName() protoreflect.FullName           { return protoreflect.FullName(e) }
    61  func (e PlaceholderEnum) IsPlaceholder() bool                       { return true }
    62  func (e PlaceholderEnum) Options() protoreflect.ProtoMessage        { return descopts.Enum }
    63  func (e PlaceholderEnum) Values() protoreflect.EnumValueDescriptors { return emptyEnumValues }
    64  func (e PlaceholderEnum) ReservedNames() protoreflect.Names         { return emptyNames }
    65  func (e PlaceholderEnum) ReservedRanges() protoreflect.EnumRanges   { return emptyEnumRanges }
    66  func (e PlaceholderEnum) ProtoType(protoreflect.EnumDescriptor)     { return }
    67  func (e PlaceholderEnum) ProtoInternal(pragma.DoNotImplement)       { return }
    68  
    69  // PlaceholderEnumValue is a placeholder, representing only the full name.
    70  type PlaceholderEnumValue protoreflect.FullName
    71  
    72  func (e PlaceholderEnumValue) ParentFile() protoreflect.FileDescriptor    { return nil }
    73  func (e PlaceholderEnumValue) Parent() protoreflect.Descriptor            { return nil }
    74  func (e PlaceholderEnumValue) Index() int                                 { return 0 }
    75  func (e PlaceholderEnumValue) Syntax() protoreflect.Syntax                { return 0 }
    76  func (e PlaceholderEnumValue) Name() protoreflect.Name                    { return protoreflect.FullName(e).Name() }
    77  func (e PlaceholderEnumValue) FullName() protoreflect.FullName            { return protoreflect.FullName(e) }
    78  func (e PlaceholderEnumValue) IsPlaceholder() bool                        { return true }
    79  func (e PlaceholderEnumValue) Options() protoreflect.ProtoMessage         { return descopts.EnumValue }
    80  func (e PlaceholderEnumValue) Number() protoreflect.EnumNumber            { return 0 }
    81  func (e PlaceholderEnumValue) ProtoType(protoreflect.EnumValueDescriptor) { return }
    82  func (e PlaceholderEnumValue) ProtoInternal(pragma.DoNotImplement)        { return }
    83  
    84  // PlaceholderMessage is a placeholder, representing only the full name.
    85  type PlaceholderMessage protoreflect.FullName
    86  
    87  func (m PlaceholderMessage) ParentFile() protoreflect.FileDescriptor    { return nil }
    88  func (m PlaceholderMessage) Parent() protoreflect.Descriptor            { return nil }
    89  func (m PlaceholderMessage) Index() int                                 { return 0 }
    90  func (m PlaceholderMessage) Syntax() protoreflect.Syntax                { return 0 }
    91  func (m PlaceholderMessage) Name() protoreflect.Name                    { return protoreflect.FullName(m).Name() }
    92  func (m PlaceholderMessage) FullName() protoreflect.FullName            { return protoreflect.FullName(m) }
    93  func (m PlaceholderMessage) IsPlaceholder() bool                        { return true }
    94  func (m PlaceholderMessage) Options() protoreflect.ProtoMessage         { return descopts.Message }
    95  func (m PlaceholderMessage) IsMapEntry() bool                           { return false }
    96  func (m PlaceholderMessage) Fields() protoreflect.FieldDescriptors      { return emptyFields }
    97  func (m PlaceholderMessage) Oneofs() protoreflect.OneofDescriptors      { return emptyOneofs }
    98  func (m PlaceholderMessage) ReservedNames() protoreflect.Names          { return emptyNames }
    99  func (m PlaceholderMessage) ReservedRanges() protoreflect.FieldRanges   { return emptyFieldRanges }
   100  func (m PlaceholderMessage) RequiredNumbers() protoreflect.FieldNumbers { return emptyFieldNumbers }
   101  func (m PlaceholderMessage) ExtensionRanges() protoreflect.FieldRanges  { return emptyFieldRanges }
   102  func (m PlaceholderMessage) ExtensionRangeOptions(int) protoreflect.ProtoMessage {
   103  	panic("index out of range")
   104  }
   105  func (m PlaceholderMessage) Messages() protoreflect.MessageDescriptors     { return emptyMessages }
   106  func (m PlaceholderMessage) Enums() protoreflect.EnumDescriptors           { return emptyEnums }
   107  func (m PlaceholderMessage) Extensions() protoreflect.ExtensionDescriptors { return emptyExtensions }
   108  func (m PlaceholderMessage) ProtoType(protoreflect.MessageDescriptor)      { return }
   109  func (m PlaceholderMessage) ProtoInternal(pragma.DoNotImplement)           { return }
   110
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