Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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63 lines
2.0 KiB
63 lines
2.0 KiB
12 years ago
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//
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// upb - a minimalist implementation of protocol buffers.
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//
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// Copyright (c) 2011-2012 Google Inc. See LICENSE for details.
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// Author: Josh Haberman <jhaberman@gmail.com>
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//
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// Support for registering field handlers that can write into a proto2
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// message that uses GeneratedMessageReflection (which includes all messages
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// generated by the proto2 compiler as well as DynamicMessage).
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//
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// This is a low-level interface; the high-level interface in google.h is
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// more user-friendly.
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#ifndef UPB_GOOGLE_PROTO2_H_
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#define UPB_GOOGLE_PROTO2_H_
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namespace proto2 {
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class FieldDescriptor;
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class Message;
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}
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namespace google {
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namespace protobuf {
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class FieldDescriptor;
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class Message;
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}
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}
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namespace upb {
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class FieldDef;
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class Handlers;
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}
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namespace upb {
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namespace google {
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// Sets field handlers in the given Handlers object for writing to a single
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// field (as described by "proto2_f" and "upb_f") into a message constructed
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// by the same factory as "prototype." Returns true if this was successful
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// (this will fail if "prototype" is not a proto1 message, or if we can't
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// handle it for some reason).
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bool TrySetWriteHandlers(const proto2::FieldDescriptor* proto2_f,
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const proto2::Message& prototype,
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const upb::FieldDef* upb_f, upb::Handlers* h);
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bool TrySetWriteHandlers(const ::google::protobuf::FieldDescriptor* proto2_f,
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const ::google::protobuf::Message& prototype,
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const upb::FieldDef* upb_f, upb::Handlers* h);
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// Returns a prototype for the given field in "m", if it is weak. The returned
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// message could be the linked-in message type or OpaqueMessage, if the weak
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// message is *not* linked in. Otherwise returns NULL.
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const proto2::Message* GetFieldPrototype(
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const proto2::Message& m,
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const proto2::FieldDescriptor* f);
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const ::google::protobuf::Message* GetFieldPrototype(
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const ::google::protobuf::Message& m,
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const ::google::protobuf::FieldDescriptor* f);
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} // namespace google
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} // namespace upb
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#endif // UPB_GOOGLE_PROTO2_H_
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