Josh Haberman
6 years ago
parent
f3c560122a
commit
cd9e1e6817
7 changed files with 77 additions and 975 deletions
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// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// https://developers.google.com/protocol-buffers/ |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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|
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// Author: kenton@google.com (Kenton Varda) |
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// Based on original Protocol Buffers design by |
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// Sanjay Ghemawat, Jeff Dean, and others. |
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// |
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// The messages in this file describe the definitions found in .proto files. |
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// A valid .proto file can be translated directly to a FileDescriptorProto |
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// without any other information (e.g. without reading its imports). |
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|
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|
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syntax = "proto2"; |
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|
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package google.protobuf; |
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option go_package = "github.com/golang/protobuf/protoc-gen-go/descriptor;descriptor"; |
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option java_package = "com.google.protobuf"; |
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option java_outer_classname = "DescriptorProtos"; |
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option csharp_namespace = "Google.Protobuf.Reflection"; |
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option objc_class_prefix = "GPB"; |
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option cc_enable_arenas = true; |
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|
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// descriptor.proto must be optimized for speed because reflection-based |
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// algorithms don't work during bootstrapping. |
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option optimize_for = SPEED; |
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|
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// The protocol compiler can output a FileDescriptorSet containing the .proto |
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// files it parses. |
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message FileDescriptorSet { |
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repeated FileDescriptorProto file = 1; |
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} |
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|
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// Describes a complete .proto file. |
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message FileDescriptorProto { |
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optional string name = 1; // file name, relative to root of source tree |
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optional string package = 2; // e.g. "foo", "foo.bar", etc. |
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|
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// Names of files imported by this file. |
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repeated string dependency = 3; |
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// Indexes of the public imported files in the dependency list above. |
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repeated int32 public_dependency = 10; |
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// Indexes of the weak imported files in the dependency list. |
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// For Google-internal migration only. Do not use. |
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repeated int32 weak_dependency = 11; |
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|
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// All top-level definitions in this file. |
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repeated DescriptorProto message_type = 4; |
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repeated EnumDescriptorProto enum_type = 5; |
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repeated ServiceDescriptorProto service = 6; |
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repeated FieldDescriptorProto extension = 7; |
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|
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optional FileOptions options = 8; |
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|
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// This field contains optional information about the original source code. |
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// You may safely remove this entire field without harming runtime |
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// functionality of the descriptors -- the information is needed only by |
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// development tools. |
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optional SourceCodeInfo source_code_info = 9; |
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|
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// The syntax of the proto file. |
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// The supported values are "proto2" and "proto3". |
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optional string syntax = 12; |
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} |
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|
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// Describes a message type. |
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message DescriptorProto { |
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optional string name = 1; |
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|
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repeated FieldDescriptorProto field = 2; |
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repeated FieldDescriptorProto extension = 6; |
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|
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repeated DescriptorProto nested_type = 3; |
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repeated EnumDescriptorProto enum_type = 4; |
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|
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message ExtensionRange { |
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optional int32 start = 1; |
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optional int32 end = 2; |
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|
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optional ExtensionRangeOptions options = 3; |
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} |
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repeated ExtensionRange extension_range = 5; |
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|
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repeated OneofDescriptorProto oneof_decl = 8; |
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|
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optional MessageOptions options = 7; |
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|
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// Range of reserved tag numbers. Reserved tag numbers may not be used by |
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// fields or extension ranges in the same message. Reserved ranges may |
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// not overlap. |
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message ReservedRange { |
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optional int32 start = 1; // Inclusive. |
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optional int32 end = 2; // Exclusive. |
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} |
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repeated ReservedRange reserved_range = 9; |
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// Reserved field names, which may not be used by fields in the same message. |
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// A given name may only be reserved once. |
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repeated string reserved_name = 10; |
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} |
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|
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message ExtensionRangeOptions { |
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// The parser stores options it doesn't recognize here. See above. |
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repeated UninterpretedOption uninterpreted_option = 999; |
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|
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// Clients can define custom options in extensions of this message. See above. |
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extensions 1000 to max; |
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} |
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|
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// Describes a field within a message. |
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message FieldDescriptorProto { |
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enum Type { |
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// 0 is reserved for errors. |
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// Order is weird for historical reasons. |
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TYPE_DOUBLE = 1; |
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TYPE_FLOAT = 2; |
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// Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT64 if |
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// negative values are likely. |
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TYPE_INT64 = 3; |
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TYPE_UINT64 = 4; |
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// Not ZigZag encoded. Negative numbers take 10 bytes. Use TYPE_SINT32 if |
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// negative values are likely. |
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TYPE_INT32 = 5; |
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TYPE_FIXED64 = 6; |
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TYPE_FIXED32 = 7; |
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TYPE_BOOL = 8; |
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TYPE_STRING = 9; |
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// Tag-delimited aggregate. |
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// Group type is deprecated and not supported in proto3. However, Proto3 |
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// implementations should still be able to parse the group wire format and |
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// treat group fields as unknown fields. |
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TYPE_GROUP = 10; |
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TYPE_MESSAGE = 11; // Length-delimited aggregate. |
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|
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// New in version 2. |
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TYPE_BYTES = 12; |
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TYPE_UINT32 = 13; |
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TYPE_ENUM = 14; |
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TYPE_SFIXED32 = 15; |
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TYPE_SFIXED64 = 16; |
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TYPE_SINT32 = 17; // Uses ZigZag encoding. |
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TYPE_SINT64 = 18; // Uses ZigZag encoding. |
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}; |
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|
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enum Label { |
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// 0 is reserved for errors |
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LABEL_OPTIONAL = 1; |
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LABEL_REQUIRED = 2; |
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LABEL_REPEATED = 3; |
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}; |
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|
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optional string name = 1; |
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optional int32 number = 3; |
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optional Label label = 4; |
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|
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// If type_name is set, this need not be set. If both this and type_name |
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// are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP. |
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optional Type type = 5; |
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|
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// For message and enum types, this is the name of the type. If the name |
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// starts with a '.', it is fully-qualified. Otherwise, C++-like scoping |
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// rules are used to find the type (i.e. first the nested types within this |
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// message are searched, then within the parent, on up to the root |
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// namespace). |
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optional string type_name = 6; |
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|
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// For extensions, this is the name of the type being extended. It is |
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// resolved in the same manner as type_name. |
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optional string extendee = 2; |
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|
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// For numeric types, contains the original text representation of the value. |
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// For booleans, "true" or "false". |
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// For strings, contains the default text contents (not escaped in any way). |
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// For bytes, contains the C escaped value. All bytes >= 128 are escaped. |
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// TODO(kenton): Base-64 encode? |
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optional string default_value = 7; |
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|
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// If set, gives the index of a oneof in the containing type's oneof_decl |
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// list. This field is a member of that oneof. |
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optional int32 oneof_index = 9; |
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|
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// JSON name of this field. The value is set by protocol compiler. If the |
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// user has set a "json_name" option on this field, that option's value |
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// will be used. Otherwise, it's deduced from the field's name by converting |
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// it to camelCase. |
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optional string json_name = 10; |
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|
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optional FieldOptions options = 8; |
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} |
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|
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// Describes a oneof. |
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message OneofDescriptorProto { |
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optional string name = 1; |
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optional OneofOptions options = 2; |
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} |
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|
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// Describes an enum type. |
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message EnumDescriptorProto { |
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optional string name = 1; |
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|
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repeated EnumValueDescriptorProto value = 2; |
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|
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optional EnumOptions options = 3; |
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|
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// Range of reserved numeric values. Reserved values may not be used by |
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// entries in the same enum. Reserved ranges may not overlap. |
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// |
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// Note that this is distinct from DescriptorProto.ReservedRange in that it |
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// is inclusive such that it can appropriately represent the entire int32 |
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// domain. |
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message EnumReservedRange { |
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optional int32 start = 1; // Inclusive. |
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optional int32 end = 2; // Inclusive. |
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} |
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|
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// Range of reserved numeric values. Reserved numeric values may not be used |
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// by enum values in the same enum declaration. Reserved ranges may not |
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// overlap. |
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repeated EnumReservedRange reserved_range = 4; |
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|
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// Reserved enum value names, which may not be reused. A given name may only |
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// be reserved once. |
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repeated string reserved_name = 5; |
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} |
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|
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// Describes a value within an enum. |
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message EnumValueDescriptorProto { |
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optional string name = 1; |
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optional int32 number = 2; |
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|
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optional EnumValueOptions options = 3; |
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} |
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|
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// Describes a service. |
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message ServiceDescriptorProto { |
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optional string name = 1; |
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repeated MethodDescriptorProto method = 2; |
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|
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optional ServiceOptions options = 3; |
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} |
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|
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// Describes a method of a service. |
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message MethodDescriptorProto { |
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optional string name = 1; |
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|
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// Input and output type names. These are resolved in the same way as |
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// FieldDescriptorProto.type_name, but must refer to a message type. |
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optional string input_type = 2; |
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optional string output_type = 3; |
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|
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optional MethodOptions options = 4; |
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|
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// Identifies if client streams multiple client messages |
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optional bool client_streaming = 5 [default=false]; |
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// Identifies if server streams multiple server messages |
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optional bool server_streaming = 6 [default=false]; |
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} |
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|
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|
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// =================================================================== |
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// Options |
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|
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// Each of the definitions above may have "options" attached. These are |
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// just annotations which may cause code to be generated slightly differently |
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// or may contain hints for code that manipulates protocol messages. |
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// |
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// Clients may define custom options as extensions of the *Options messages. |
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// These extensions may not yet be known at parsing time, so the parser cannot |
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// store the values in them. Instead it stores them in a field in the *Options |
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// message called uninterpreted_option. This field must have the same name |
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// across all *Options messages. We then use this field to populate the |
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// extensions when we build a descriptor, at which point all protos have been |
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// parsed and so all extensions are known. |
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// |
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// Extension numbers for custom options may be chosen as follows: |
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// * For options which will only be used within a single application or |
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// organization, or for experimental options, use field numbers 50000 |
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// through 99999. It is up to you to ensure that you do not use the |
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// same number for multiple options. |
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// * For options which will be published and used publicly by multiple |
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// independent entities, e-mail protobuf-global-extension-registry@google.com |
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// to reserve extension numbers. Simply provide your project name (e.g. |
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// Objective-C plugin) and your project website (if available) -- there's no |
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// need to explain how you intend to use them. Usually you only need one |
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// extension number. You can declare multiple options with only one extension |
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// number by putting them in a sub-message. See the Custom Options section of |
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// the docs for examples: |
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// https://developers.google.com/protocol-buffers/docs/proto#options |
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// If this turns out to be popular, a web service will be set up |
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// to automatically assign option numbers. |
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|
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|
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message FileOptions { |
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|
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// Sets the Java package where classes generated from this .proto will be |
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// placed. By default, the proto package is used, but this is often |
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// inappropriate because proto packages do not normally start with backwards |
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// domain names. |
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optional string java_package = 1; |
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|
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|
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// If set, all the classes from the .proto file are wrapped in a single |
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// outer class with the given name. This applies to both Proto1 |
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// (equivalent to the old "--one_java_file" option) and Proto2 (where |
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// a .proto always translates to a single class, but you may want to |
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// explicitly choose the class name). |
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optional string java_outer_classname = 8; |
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|
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// If set true, then the Java code generator will generate a separate .java |
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// file for each top-level message, enum, and service defined in the .proto |
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// file. Thus, these types will *not* be nested inside the outer class |
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// named by java_outer_classname. However, the outer class will still be |
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// generated to contain the file's getDescriptor() method as well as any |
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// top-level extensions defined in the file. |
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optional bool java_multiple_files = 10 [default=false]; |
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|
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// This option does nothing. |
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optional bool java_generate_equals_and_hash = 20 [deprecated=true]; |
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|
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// If set true, then the Java2 code generator will generate code that |
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// throws an exception whenever an attempt is made to assign a non-UTF-8 |
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// byte sequence to a string field. |
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// Message reflection will do the same. |
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// However, an extension field still accepts non-UTF-8 byte sequences. |
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// This option has no effect on when used with the lite runtime. |
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optional bool java_string_check_utf8 = 27 [default=false]; |
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|
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|
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// Generated classes can be optimized for speed or code size. |
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enum OptimizeMode { |
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SPEED = 1; // Generate complete code for parsing, serialization, |
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// etc. |
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CODE_SIZE = 2; // Use ReflectionOps to implement these methods. |
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LITE_RUNTIME = 3; // Generate code using MessageLite and the lite runtime. |
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} |
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optional OptimizeMode optimize_for = 9 [default=SPEED]; |
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|
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// Sets the Go package where structs generated from this .proto will be |
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// placed. If omitted, the Go package will be derived from the following: |
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// - The basename of the package import path, if provided. |
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// - Otherwise, the package statement in the .proto file, if present. |
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// - Otherwise, the basename of the .proto file, without extension. |
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optional string go_package = 11; |
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|
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|
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|
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// Should generic services be generated in each language? "Generic" services |
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// are not specific to any particular RPC system. They are generated by the |
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// main code generators in each language (without additional plugins). |
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// Generic services were the only kind of service generation supported by |
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// early versions of google.protobuf. |
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// |
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// Generic services are now considered deprecated in favor of using plugins |
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// that generate code specific to your particular RPC system. Therefore, |
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// these default to false. Old code which depends on generic services should |
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// explicitly set them to true. |
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optional bool cc_generic_services = 16 [default=false]; |
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optional bool java_generic_services = 17 [default=false]; |
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optional bool py_generic_services = 18 [default=false]; |
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optional bool php_generic_services = 42 [default=false]; |
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|
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// Is this file deprecated? |
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// Depending on the target platform, this can emit Deprecated annotations |
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// for everything in the file, or it will be completely ignored; in the very |
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// least, this is a formalization for deprecating files. |
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optional bool deprecated = 23 [default=false]; |
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|
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// Enables the use of arenas for the proto messages in this file. This applies |
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// only to generated classes for C++. |
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optional bool cc_enable_arenas = 31 [default=false]; |
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|
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|
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// Sets the objective c class prefix which is prepended to all objective c |
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// generated classes from this .proto. There is no default. |
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optional string objc_class_prefix = 36; |
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|
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// Namespace for generated classes; defaults to the package. |
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optional string csharp_namespace = 37; |
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|
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// By default Swift generators will take the proto package and CamelCase it |
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// replacing '.' with underscore and use that to prefix the types/symbols |
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// defined. When this options is provided, they will use this value instead |
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// to prefix the types/symbols defined. |
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optional string swift_prefix = 39; |
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|
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// Sets the php class prefix which is prepended to all php generated classes |
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// from this .proto. Default is empty. |
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optional string php_class_prefix = 40; |
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|
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// Use this option to change the namespace of php generated classes. Default |
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// is empty. When this option is empty, the package name will be used for |
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// determining the namespace. |
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optional string php_namespace = 41; |
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|
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// The parser stores options it doesn't recognize here. See above. |
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repeated UninterpretedOption uninterpreted_option = 999; |
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|
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// Clients can define custom options in extensions of this message. See above. |
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extensions 1000 to max; |
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|
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reserved 38; |
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} |
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|
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message MessageOptions { |
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// Set true to use the old proto1 MessageSet wire format for extensions. |
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// This is provided for backwards-compatibility with the MessageSet wire |
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// format. You should not use this for any other reason: It's less |
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// efficient, has fewer features, and is more complicated. |
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// |
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// The message must be defined exactly as follows: |
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// message Foo { |
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// option message_set_wire_format = true; |
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// extensions 4 to max; |
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// } |
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// Note that the message cannot have any defined fields; MessageSets only |
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// have extensions. |
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// |
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// All extensions of your type must be singular messages; e.g. they cannot |
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// be int32s, enums, or repeated messages. |
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// |
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// Because this is an option, the above two restrictions are not enforced by |
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// the protocol compiler. |
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optional bool message_set_wire_format = 1 [default=false]; |
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|
||||
// Disables the generation of the standard "descriptor()" accessor, which can |
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// conflict with a field of the same name. This is meant to make migration |
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// from proto1 easier; new code should avoid fields named "descriptor". |
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optional bool no_standard_descriptor_accessor = 2 [default=false]; |
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|
||||
// Is this message deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for the message, or it will be completely ignored; in the very least, |
||||
// this is a formalization for deprecating messages. |
||||
optional bool deprecated = 3 [default=false]; |
||||
|
||||
// Whether the message is an automatically generated map entry type for the |
||||
// maps field. |
||||
// |
||||
// For maps fields: |
||||
// map<KeyType, ValueType> map_field = 1; |
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// The parsed descriptor looks like: |
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// message MapFieldEntry { |
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// option map_entry = true; |
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// optional KeyType key = 1; |
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// optional ValueType value = 2; |
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// } |
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// repeated MapFieldEntry map_field = 1; |
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// |
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// Implementations may choose not to generate the map_entry=true message, but |
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// use a native map in the target language to hold the keys and values. |
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// The reflection APIs in such implementions still need to work as |
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// if the field is a repeated message field. |
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// |
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// NOTE: Do not set the option in .proto files. Always use the maps syntax |
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// instead. The option should only be implicitly set by the proto compiler |
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// parser. |
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optional bool map_entry = 7; |
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|
||||
reserved 8; // javalite_serializable |
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reserved 9; // javanano_as_lite |
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|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
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|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
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|
||||
message FieldOptions { |
||||
// The ctype option instructs the C++ code generator to use a different |
||||
// representation of the field than it normally would. See the specific |
||||
// options below. This option is not yet implemented in the open source |
||||
// release -- sorry, we'll try to include it in a future version! |
||||
optional CType ctype = 1 [default = STRING]; |
||||
enum CType { |
||||
// Default mode. |
||||
STRING = 0; |
||||
|
||||
CORD = 1; |
||||
|
||||
STRING_PIECE = 2; |
||||
} |
||||
// The packed option can be enabled for repeated primitive fields to enable |
||||
// a more efficient representation on the wire. Rather than repeatedly |
||||
// writing the tag and type for each element, the entire array is encoded as |
||||
// a single length-delimited blob. In proto3, only explicit setting it to |
||||
// false will avoid using packed encoding. |
||||
optional bool packed = 2; |
||||
|
||||
// The jstype option determines the JavaScript type used for values of the |
||||
// field. The option is permitted only for 64 bit integral and fixed types |
||||
// (int64, uint64, sint64, fixed64, sfixed64). A field with jstype JS_STRING |
||||
// is represented as JavaScript string, which avoids loss of precision that |
||||
// can happen when a large value is converted to a floating point JavaScript. |
||||
// Specifying JS_NUMBER for the jstype causes the generated JavaScript code to |
||||
// use the JavaScript "number" type. The behavior of the default option |
||||
// JS_NORMAL is implementation dependent. |
||||
// |
||||
// This option is an enum to permit additional types to be added, e.g. |
||||
// goog.math.Integer. |
||||
optional JSType jstype = 6 [default = JS_NORMAL]; |
||||
enum JSType { |
||||
// Use the default type. |
||||
JS_NORMAL = 0; |
||||
|
||||
// Use JavaScript strings. |
||||
JS_STRING = 1; |
||||
|
||||
// Use JavaScript numbers. |
||||
JS_NUMBER = 2; |
||||
} |
||||
|
||||
// Should this field be parsed lazily? Lazy applies only to message-type |
||||
// fields. It means that when the outer message is initially parsed, the |
||||
// inner message's contents will not be parsed but instead stored in encoded |
||||
// form. The inner message will actually be parsed when it is first accessed. |
||||
// |
||||
// This is only a hint. Implementations are free to choose whether to use |
||||
// eager or lazy parsing regardless of the value of this option. However, |
||||
// setting this option true suggests that the protocol author believes that |
||||
// using lazy parsing on this field is worth the additional bookkeeping |
||||
// overhead typically needed to implement it. |
||||
// |
||||
// This option does not affect the public interface of any generated code; |
||||
// all method signatures remain the same. Furthermore, thread-safety of the |
||||
// interface is not affected by this option; const methods remain safe to |
||||
// call from multiple threads concurrently, while non-const methods continue |
||||
// to require exclusive access. |
||||
// |
||||
// |
||||
// Note that implementations may choose not to check required fields within |
||||
// a lazy sub-message. That is, calling IsInitialized() on the outer message |
||||
// may return true even if the inner message has missing required fields. |
||||
// This is necessary because otherwise the inner message would have to be |
||||
// parsed in order to perform the check, defeating the purpose of lazy |
||||
// parsing. An implementation which chooses not to check required fields |
||||
// must be consistent about it. That is, for any particular sub-message, the |
||||
// implementation must either *always* check its required fields, or *never* |
||||
// check its required fields, regardless of whether or not the message has |
||||
// been parsed. |
||||
optional bool lazy = 5 [default=false]; |
||||
|
||||
// Is this field deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for accessors, or it will be completely ignored; in the very least, this |
||||
// is a formalization for deprecating fields. |
||||
optional bool deprecated = 3 [default=false]; |
||||
|
||||
// For Google-internal migration only. Do not use. |
||||
optional bool weak = 10 [default=false]; |
||||
|
||||
|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
|
||||
reserved 4; // removed jtype |
||||
} |
||||
|
||||
message OneofOptions { |
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
||||
|
||||
message EnumOptions { |
||||
|
||||
// Set this option to true to allow mapping different tag names to the same |
||||
// value. |
||||
optional bool allow_alias = 2; |
||||
|
||||
// Is this enum deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for the enum, or it will be completely ignored; in the very least, this |
||||
// is a formalization for deprecating enums. |
||||
optional bool deprecated = 3 [default=false]; |
||||
|
||||
reserved 5; // javanano_as_lite |
||||
|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
||||
|
||||
message EnumValueOptions { |
||||
// Is this enum value deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for the enum value, or it will be completely ignored; in the very least, |
||||
// this is a formalization for deprecating enum values. |
||||
optional bool deprecated = 1 [default=false]; |
||||
|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
||||
|
||||
message ServiceOptions { |
||||
|
||||
// Note: Field numbers 1 through 32 are reserved for Google's internal RPC |
||||
// framework. We apologize for hoarding these numbers to ourselves, but |
||||
// we were already using them long before we decided to release Protocol |
||||
// Buffers. |
||||
|
||||
// Is this service deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for the service, or it will be completely ignored; in the very least, |
||||
// this is a formalization for deprecating services. |
||||
optional bool deprecated = 33 [default=false]; |
||||
|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
||||
|
||||
message MethodOptions { |
||||
|
||||
// Note: Field numbers 1 through 32 are reserved for Google's internal RPC |
||||
// framework. We apologize for hoarding these numbers to ourselves, but |
||||
// we were already using them long before we decided to release Protocol |
||||
// Buffers. |
||||
|
||||
// Is this method deprecated? |
||||
// Depending on the target platform, this can emit Deprecated annotations |
||||
// for the method, or it will be completely ignored; in the very least, |
||||
// this is a formalization for deprecating methods. |
||||
optional bool deprecated = 33 [default=false]; |
||||
|
||||
// Is this method side-effect-free (or safe in HTTP parlance), or idempotent, |
||||
// or neither? HTTP based RPC implementation may choose GET verb for safe |
||||
// methods, and PUT verb for idempotent methods instead of the default POST. |
||||
enum IdempotencyLevel { |
||||
IDEMPOTENCY_UNKNOWN = 0; |
||||
NO_SIDE_EFFECTS = 1; // implies idempotent |
||||
IDEMPOTENT = 2; // idempotent, but may have side effects |
||||
} |
||||
optional IdempotencyLevel idempotency_level = |
||||
34 [default=IDEMPOTENCY_UNKNOWN]; |
||||
|
||||
// The parser stores options it doesn't recognize here. See above. |
||||
repeated UninterpretedOption uninterpreted_option = 999; |
||||
|
||||
// Clients can define custom options in extensions of this message. See above. |
||||
extensions 1000 to max; |
||||
} |
||||
|
||||
|
||||
// A message representing a option the parser does not recognize. This only |
||||
// appears in options protos created by the compiler::Parser class. |
||||
// DescriptorPool resolves these when building Descriptor objects. Therefore, |
||||
// options protos in descriptor objects (e.g. returned by Descriptor::options(), |
||||
// or produced by Descriptor::CopyTo()) will never have UninterpretedOptions |
||||
// in them. |
||||
message UninterpretedOption { |
||||
// The name of the uninterpreted option. Each string represents a segment in |
||||
// a dot-separated name. is_extension is true iff a segment represents an |
||||
// extension (denoted with parentheses in options specs in .proto files). |
||||
// E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents |
||||
// "foo.(bar.baz).qux". |
||||
message NamePart { |
||||
required string name_part = 1; |
||||
required bool is_extension = 2; |
||||
} |
||||
repeated NamePart name = 2; |
||||
|
||||
// The value of the uninterpreted option, in whatever type the tokenizer |
||||
// identified it as during parsing. Exactly one of these should be set. |
||||
optional string identifier_value = 3; |
||||
optional uint64 positive_int_value = 4; |
||||
optional int64 negative_int_value = 5; |
||||
optional double double_value = 6; |
||||
optional bytes string_value = 7; |
||||
optional string aggregate_value = 8; |
||||
} |
||||
|
||||
// =================================================================== |
||||
// Optional source code info |
||||
|
||||
// Encapsulates information about the original source file from which a |
||||
// FileDescriptorProto was generated. |
||||
message SourceCodeInfo { |
||||
// A Location identifies a piece of source code in a .proto file which |
||||
// corresponds to a particular definition. This information is intended |
||||
// to be useful to IDEs, code indexers, documentation generators, and similar |
||||
// tools. |
||||
// |
||||
// For example, say we have a file like: |
||||
// message Foo { |
||||
// optional string foo = 1; |
||||
// } |
||||
// Let's look at just the field definition: |
||||
// optional string foo = 1; |
||||
// ^ ^^ ^^ ^ ^^^ |
||||
// a bc de f ghi |
||||
// We have the following locations: |
||||
// span path represents |
||||
// [a,i) [ 4, 0, 2, 0 ] The whole field definition. |
||||
// [a,b) [ 4, 0, 2, 0, 4 ] The label (optional). |
||||
// [c,d) [ 4, 0, 2, 0, 5 ] The type (string). |
||||
// [e,f) [ 4, 0, 2, 0, 1 ] The name (foo). |
||||
// [g,h) [ 4, 0, 2, 0, 3 ] The number (1). |
||||
// |
||||
// Notes: |
||||
// - A location may refer to a repeated field itself (i.e. not to any |
||||
// particular index within it). This is used whenever a set of elements are |
||||
// logically enclosed in a single code segment. For example, an entire |
||||
// extend block (possibly containing multiple extension definitions) will |
||||
// have an outer location whose path refers to the "extensions" repeated |
||||
// field without an index. |
||||
// - Multiple locations may have the same path. This happens when a single |
||||
// logical declaration is spread out across multiple places. The most |
||||
// obvious example is the "extend" block again -- there may be multiple |
||||
// extend blocks in the same scope, each of which will have the same path. |
||||
// - A location's span is not always a subset of its parent's span. For |
||||
// example, the "extendee" of an extension declaration appears at the |
||||
// beginning of the "extend" block and is shared by all extensions within |
||||
// the block. |
||||
// - Just because a location's span is a subset of some other location's span |
||||
// does not mean that it is a descendent. For example, a "group" defines |
||||
// both a type and a field in a single declaration. Thus, the locations |
||||
// corresponding to the type and field and their components will overlap. |
||||
// - Code which tries to interpret locations should probably be designed to |
||||
// ignore those that it doesn't understand, as more types of locations could |
||||
// be recorded in the future. |
||||
repeated Location location = 1; |
||||
message Location { |
||||
// Identifies which part of the FileDescriptorProto was defined at this |
||||
// location. |
||||
// |
||||
// Each element is a field number or an index. They form a path from |
||||
// the root FileDescriptorProto to the place where the definition. For |
||||
// example, this path: |
||||
// [ 4, 3, 2, 7, 1 ] |
||||
// refers to: |
||||
// file.message_type(3) // 4, 3 |
||||
// .field(7) // 2, 7 |
||||
// .name() // 1 |
||||
// This is because FileDescriptorProto.message_type has field number 4: |
||||
// repeated DescriptorProto message_type = 4; |
||||
// and DescriptorProto.field has field number 2: |
||||
// repeated FieldDescriptorProto field = 2; |
||||
// and FieldDescriptorProto.name has field number 1: |
||||
// optional string name = 1; |
||||
// |
||||
// Thus, the above path gives the location of a field name. If we removed |
||||
// the last element: |
||||
// [ 4, 3, 2, 7 ] |
||||
// this path refers to the whole field declaration (from the beginning |
||||
// of the label to the terminating semicolon). |
||||
repeated int32 path = 1 [packed=true]; |
||||
|
||||
// Always has exactly three or four elements: start line, start column, |
||||
// end line (optional, otherwise assumed same as start line), end column. |
||||
// These are packed into a single field for efficiency. Note that line |
||||
// and column numbers are zero-based -- typically you will want to add |
||||
// 1 to each before displaying to a user. |
||||
repeated int32 span = 2 [packed=true]; |
||||
|
||||
// If this SourceCodeInfo represents a complete declaration, these are any |
||||
// comments appearing before and after the declaration which appear to be |
||||
// attached to the declaration. |
||||
// |
||||
// A series of line comments appearing on consecutive lines, with no other |
||||
// tokens appearing on those lines, will be treated as a single comment. |
||||
// |
||||
// leading_detached_comments will keep paragraphs of comments that appear |
||||
// before (but not connected to) the current element. Each paragraph, |
||||
// separated by empty lines, will be one comment element in the repeated |
||||
// field. |
||||
// |
||||
// Only the comment content is provided; comment markers (e.g. //) are |
||||
// stripped out. For block comments, leading whitespace and an asterisk |
||||
// will be stripped from the beginning of each line other than the first. |
||||
// Newlines are included in the output. |
||||
// |
||||
// Examples: |
||||
// |
||||
// optional int32 foo = 1; // Comment attached to foo. |
||||
// // Comment attached to bar. |
||||
// optional int32 bar = 2; |
||||
// |
||||
// optional string baz = 3; |
||||
// // Comment attached to baz. |
||||
// // Another line attached to baz. |
||||
// |
||||
// // Comment attached to qux. |
||||
// // |
||||
// // Another line attached to qux. |
||||
// optional double qux = 4; |
||||
// |
||||
// // Detached comment for corge. This is not leading or trailing comments |
||||
// // to qux or corge because there are blank lines separating it from |
||||
// // both. |
||||
// |
||||
// // Detached comment for corge paragraph 2. |
||||
// |
||||
// optional string corge = 5; |
||||
// /* Block comment attached |
||||
// * to corge. Leading asterisks |
||||
// * will be removed. */ |
||||
// /* Block comment attached to |
||||
// * grault. */ |
||||
// optional int32 grault = 6; |
||||
// |
||||
// // ignored detached comments. |
||||
optional string leading_comments = 3; |
||||
optional string trailing_comments = 4; |
||||
repeated string leading_detached_comments = 6; |
||||
} |
||||
} |
||||
|
||||
// Describes the relationship between generated code and its original source |
||||
// file. A GeneratedCodeInfo message is associated with only one generated |
||||
// source file, but may contain references to different source .proto files. |
||||
message GeneratedCodeInfo { |
||||
// An Annotation connects some span of text in generated code to an element |
||||
// of its generating .proto file. |
||||
repeated Annotation annotation = 1; |
||||
message Annotation { |
||||
// Identifies the element in the original source .proto file. This field |
||||
// is formatted the same as SourceCodeInfo.Location.path. |
||||
repeated int32 path = 1 [packed=true]; |
||||
|
||||
// Identifies the filesystem path to the original source .proto. |
||||
optional string source_file = 2; |
||||
|
||||
// Identifies the starting offset in bytes in the generated code |
||||
// that relates to the identified object. |
||||
optional int32 begin = 3; |
||||
|
||||
// Identifies the ending offset in bytes in the generated code that |
||||
// relates to the identified offset. The end offset should be one past |
||||
// the last relevant byte (so the length of the text = end - begin). |
||||
optional int32 end = 4; |
||||
} |
||||
} |
||||
Loading…
Reference in new issue